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HomeMy WebLinkAboutSoils & Geological Investigationel Q�10-5 4010 51 601 eoO7 I 1 PETRA JI COSTA MESA • NEWBURY PARK • SAN DIEGO 1 May 8, 1989 J.N. 298-87 ' GREAT AMERICAN DEVELOPMENT COMPANY 28910 Rancho California Road 'Suite 204 Temecula, CA 92390 ' Attention: Mr. Steven J. Ford Vice President ' Subject: Supplemental Soils Engineering and Engineering Geologic Investigation, Portion of Redhawk Project, Vesting Tentative Tract Map Nos. 23064, 23065, 23066, and 23067, Rancho California, County of Riverside, California. References: 1) Evaluation of Faulting and Liquefaction Po- tential, Portion of Wolf Valley Project, Rancho California, County of Riverside, California; report by Earth Research Associates, Inc., dated November 20, 1987. 2) Preliminary Soils Engineering and Engineering Geologic Investigation, Redhawk Project, Rancho California; report by Earth Research Associates, Inc., dated February 2, 1988. t 3) Removal Requirements for Structural Fills Adjacent to Golf Course Fairway Numbers 1, 2, 3, 4, 8 and 18, Redhawk Project, Rancho California, ' County of Riverside, California; report by Earth Research Associates, Inc., dated January 18, 1988. 4) Supplemental Soils Engineering and Engineering ' Geologic Investigation, Portion of Redhawk Project, Phase I, Vesting Tentative Tract Map No. 23063, Rancho California, County of Riverside, California; ' report by Petra Geotechnical, Inc., dated November 17, 1988. 5) Supplemental Evaluation of Faulting, Southwest Portion of Redhawk Project, Rancho California Area, County of Riverside, California; report by Petra 'PETRA GEOiECHPIICAL, INC. Geotechnical, Inc., dated March 1, 1989. 3185-A kuvay Avenue Costa Mesa, CA Q2626 ' Tel: X 549-89211 (71 / Fcu (71 L)5G9-IC33 )/ I I 1 IJ GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 J.N. 298-87 Page Two Gentlemen: This report presents the results of our "Supplemental Soils Engineering and Engineering Geologic Investigation" for Tenta- tive Tracts 23064, 23065, 23066 and 23067. The purpose of this supplemental investigation was to obtain more detailed information concerning subsurface soil and geologic conditions, and then provide specific conclusions and recommendations per- taining to general site grading, remedial grading requirements, potential for hydro -consolidation and liquefaction, shrinkage and subsidence, and foundation construction. Our conclusions and recommendations are based on proposed grading as indicated on the enclosed 100 -scale plans prepared by Rancho Pacific Engineering (11 sheets). REFERENCED REPORTS References 1, 2 and 3 were prepared by Earth Research Asso- ciates, Inc., the predecessor firm to Petra Geotechnical, Inc. This name change is a result of corporate restructuring which became effective on April 1, 1988. LOCATION AND SITE DESCRIPTION Encompassing a combined area of 910+ acres, the subject tentative tracts occupy the southerly and northeasterly portions of the approximately 1300 -acre Redhawk Project, Rancho California. Topography is characterized by numerous ridges and low rounded hills with intervening valleys, canyons, and gullies. Natural slopes vary from flat on ridge tops to near vertical at the con- tact with adjoining lower canyons and valleys. Maximum topogra- phic relief throughout the 4 tracts is approximately 250 feet with ground surface elevations ranging from 1100 to 1350 feet. Drainage is multi -directional, and is generally derived from natural precipitation and consequent runoff. There were no springs or seeps observed with the tracts during the course of this supplemental investigation. Ponded water, however, exists within a small artificial fill reservoir dam located within Tract 23064. I GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 J.N. 298-87 Page Three With the exception of barbed wire fences and two artificial fill reservoir dams, there are no other man-made structures present ' within the subject tracts. Valley and canyon bottom areas are typically covered with a moderate to heavy growth of weeds and grasses, and occasional scrub brush and trees. Ridges and ' adjacent natural slopes are generally covered with a moderate to heavy growth of scrub brush. ' PROPOSED DEVELOPMENT The accompanying 100 -scale plans indicate a total of 1916 single- family lots, ten (10) multi -family residential sites, two (2) school sites, two (2) commercial sites, and four (4) parks are proposed throughout the subject tracts. ' Mass cut and fill grading is planned for physical development of the above building areas as well as associated access streets. Maximum vertical depths of planned cut and fill are approximately 100 feet and 50 feet, respectively. All graded slopes, cut and fill, are planned at a ratio of 2:1, horizontal to vertical, and to heights of up to approximately 60 feet (both cut and fill). ' Several daylight cut lots bordered by descending natural slopes are also proposed within the development. ' Tracts 23064, 23065 and 23066 are golf course oriented residen- tial developments. Golf course fairways, which occupy several major adjoining canyon and valley areas, are presently in the ' grading and construction stages of development. FIELD INVESTIGATION ' To supplement our previous findings and recommendations presented in the referenced reports, an additional 133 backhoe test pits (Test Pits 117-249) and 42 borings (Borings 37-78) were excava- ted within selected areas. The primary objective of the addi- tional test pits and borings was to determine removal require- ments in alluvial areas, and to evaluate hydro -consolidation and liquefaction potential. Logs of all previous and new test pits and borings are presented in Table I and on Plates B-1 to B-107. 1 GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 ' J.N. 298-87 Page Four ' Approximate locations of the test pits are borings are shown on the accompanying plans. Available logs of previous borings by ' other consultants are also given in Appendix B. ' LABORATORY TESTING Associated with the subsurface exploration was the collection of ' disturbed and relatively undisturbed samples of earth materials from the test pits and borings for laboratory testing. Maximum dry density, expansion potential, shear strength, soluble sul- fate content, and consolidation tests were performed on selected ' samples considered representative of those encountered. In situ moisture and density of in place earth materials were also deter- mined in representative strata. A description of laboratory test ' criteria is given in Appendix A, and all test data are summarized on Plates A-1 through A-53, and on the Boring Logs, Plates B-1 through B-107. An engineering evaluation of the test data is re- flected throughout the "Conclusions and Recommendations" section of this report. ' EARTH MATERIALS The subject tracts are underlain with surficial deposits of ' compacted fill, uncompacted fill, residual soil, alluvium, col- luvium, slope wash, and terrace deposits. These materials, in turn, are underlain with late Pleistocene sedimentary deposits ' belonging to the Pauba Formation. General descriptions of each of these earth units are given in the following paragraphs. More detailed descriptions are presented in the appended test pit and boring logs. Uncompacted Fill (Map Symbol afl) ' Fill materials associated with the two existing reservoir dams located within Tracts 23064 and 23065 are composed of locally ' derived soil and/or Pauba Formation bedrock materials. The maximum thickness of the artificial fill deposits is estimated at between 10 to 20 feet. Unmapped spoil fill also occurs in relatively minor amounts on the downslope portions of numerous ' dirt roads traversing the four tracts. I GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 ' J.N. 298-87 Page Five 1 Compacted Fill (Map Symbol afc) 1 Structural fills have been placed along the edges of several golf course fairways where ascending fill slopes are ultimately planned in adjacent residential areas. Structural fills have 1 also been placed across some fairways in future roadway areas. All structural fills have been placed under the purview of our firm. This earthwork began in early 1988 and is still in 1 progress in other golf course areas. Alluvium (Map Symbol Qal) 1 Recent alluvial deposits are composed primarily of fine to medium grained silty and clayey sand, and subordinate coarse sand with 1 occasional gravel and cobble lenses. Typically, alluvial depos- its were found to vary from dry to moist, loose to medium dense and porous, and to be subject to varying degrees of hydro -consol- idation. The thickness of alluvial materials is highly variable and ranges from 3+ feet in narrow tributary gully areas to grea- ter than 50 feet in broad valleys. On the basis of laboratory consolidation tests, the thick deposits of alluvial materials 1 underlying broad valley and canyon areas were found to be sub- ject to a relatively high degree of hydro -consolidation to depth of up to approximately 20 to 25 feet. —1 Colluvium (No Map Symbol) Colluvial deposits composed of loose to dense silty sand and clayey sand occupy small tributary canyon areas and typically coalesce with alluvial materials. These materials generally 1 exhibit similar in place characteristics as alluvial deposits but generally become dense at relatively shallow depths (e.g., becoming dense below depths of approximately 3 to 10+ feet). For 1 ease of mapping, these materials have been combined with alluvial deposits. 1 Slope Wash (Map Symbol Qsw) Slope wash deposits composed of loose to medium dense silty sand 1 and clayey sand also coalesce with alluvial materials in major canyon and tributary areas. Therefore, for purposes of mapping, these materials have also been combined with alluvial deposits i i I GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 ' J.N. 298-87 Page Six tfor most areas of the subject tracts. However, a relatively large accumulation of slope wash materials have been mapped on ' lower gently sloping areas within a portion of Tract 23067 (see Plate 23067-3). In this area, slope wash materials were found to be dense at depths below approximately 5.5 to 9.0 feet. tTerrace Deposits (Map Symbol Qt) ' Terrace deposit materials consisting of reworked Pauba Formation occupy two ridge tops, one each within Tracts 23065 and 23066. Terrace deposit materials were found to be dense to very dense. Residual Soil (No Map Symbol) ' Gravelly silty sand and clayey sand residual soil materials have developed over Pauba Formation materials in thicknesses ranging ' from 1 to 3+ feet. Thicker accumulations, however, occur within gentle swale areas in thicknesses of approximately 3 to 6 feet. Typically, residual soil materials were found to be dry to damp, and loose to medium dense. Pauba Formation (Map Symbol Qps) —' Hillside areas of all four tracts are underlain by late Pleisto- cene sedimentary deposits belonging to the Pauba Formation. This ' formation is composed primarily of reddish -brown to light brown, fine to coarse grained sandstones and silty sandstones with occasional gravel and silt beds. Typically, in place materials vary from damp to moist, and dense to locally very dense. Geology ' Geologic Settling ' As noted above, the subject tracts are underlain with sandstones and silty sandstones of the Pauba Formation, and are bordered on the north and west by alluvial plains of Temecula Creek and Wolf Valley, respectively. Bedding within the Pauba Formation is gen- erally massive with gradational and indistinct contacts. Where observed, bedding was found to dip at low to moderate angles with no discernible preferred orientation. I GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 ' J.N. 298-87 Page Seven Faulting and Seismicity ' Faulting and seismicity are discussed in detail in References 1, 2 and 5. ' Groundwater ' CONCLUSIONS AND RECOMMENDATIONS ' General Based on the results of this supplemental investigation, combined with our previous findings, we conclude from a soils engineering ' and engineering geologic viewpoint that development of Tentative Tracts 23064, 23065, 23066 and 23067 is feasible provided the following conclusions and recommendations are incorporated into ' the design criteria and project specifications. ' Earthwork All earthwork should conform to the Grading Code of the County of Riverside, the enclosed "Standard Grading Specifications" (Appendix C), and in accordance with the following recommenda- tions. Site Clearin ' All weeds, grasses, scrub brush, trees, and similar vegetation should be stripped from areas to be graded and hauled offsite. I 00�4_ IV Shallow groundwater conditions were not encountered in the ' majority of the borings and test pits excavated within alluvial areas. Groundwater was only encountered in Borings 7, 13, 60, and 65 at respective depths of 13.0, 47.0, 12.5 and 21.0 feet. ' Boring 60 was drilled within the flood plain area of Temecula Creek, Tract No. 23067. ' CONCLUSIONS AND RECOMMENDATIONS ' General Based on the results of this supplemental investigation, combined with our previous findings, we conclude from a soils engineering ' and engineering geologic viewpoint that development of Tentative Tracts 23064, 23065, 23066 and 23067 is feasible provided the following conclusions and recommendations are incorporated into ' the design criteria and project specifications. ' Earthwork All earthwork should conform to the Grading Code of the County of Riverside, the enclosed "Standard Grading Specifications" (Appendix C), and in accordance with the following recommenda- tions. Site Clearin ' All weeds, grasses, scrub brush, trees, and similar vegetation should be stripped from areas to be graded and hauled offsite. I 00�4_ IV ' GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 J.N. 298-87 Page Eight ' Excavation Characteristics Based on our subsurface boring and test pit data, and on our experience with similar earth materials, onsite soil, and Pauba Formation bedrock materials will be excavatable with conventional earthmoving equipment requiring little to moderate prior ripping. Removals and Canyon Cleanouts Owing to the typically poorly consolidated and porous nature of near surface alluvial, colluvial, and slope wash deposits, as i well as to their susceptibility to hydro -consolidation, removal of unsuitable surface materials and replacement as compacted fill will be required in all canyons, valleys and gullies to receive ' structural fills. Estimated depths of removal that will be required are indicated on the accompanying plans. The indicated depths range from 3 to 25 feet. Unless additional subsurface exploration (and laboratory testing) is performed within major canyon and valley areas which may indicate shallower removal depths in local areas may be feasible, the indicated depths as shown on the accompanying plans should be considered as minimums. ' All uncompacted fill deposits existing within Tracts 23064 and 23065, as well as underlying unsuitable alluvial materials, will require removal and replacement as properly compacted fill. Depths of removal are anticipated to be on the order of 10 to 20 feet. ' Compacted fills placed against canyon walls and on natural slope surfaces inclining at 5:1 or greater should be benched through loose residual soils and placed on a series of level benches ' excavated into competent bearing soils or bedrock.Residual soil materials vary from 1 to 3+ feet in thickness on ridge tops and lower descending slopes, and from approximately 3 to 6 feet in gentle swale areas. Canyon Subdrains ' Perforated plastic pipe and gravel canyon subdrains should be within all major canyons to be filled in accordance with spec- ifications given in SG -4 of the Standard Grading Specifications. Subdrains should be placed so as to outlet at the lowest practi- cal elevation. In most instances, this will involve the place- ment of fill at the mouth of the canyon prior to installation of ' I I I I� I 1 L I 1 I I u GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 J.N. 298-87 Page Nine the subdrain. Approximate locations of recommended subdrains are shown on the enclosed plans. Actual locations will be determined during grading. Cut/Fill Transitions Cut/fill transition zones should be eliminated from building pads where the depth of fill exceeds 18 inches. This should be accomplished by overexcavating the cut portion and replacing the materials as properly compacted fill. Recommended depths of overexcavation are given below: Depth of Depth of Fill on "Fill" Portion Overexcavation "Cut" Portion Up to 3.0 feet .............................. Equal Depth 3.0 to 6.0 feet ................................ 3.0 feet Greater than 6.0 feet ............ 1/2 Depth of Fill to a Maximum Depth of 15 feet Compacted Fill Blankets A 3.0 foot compacted fill blanket will be required on daylight cut pads bordered by descending natural slopes. If it is deter- mined during grading that certain cut slopes will require stabi- lization by means of a buttress or stability fill, a compacted fill blanket will also be required on all lots located above these stability fill masses. Fill Placement 1. All fill should be placed in 6 to 8 inch maximum lifts, watered or dried as necessary to achieve near optimum moisture conditions, and then compacted in place to a minimum relative compaction of 90 percent. 2. The laboratory maximum dry density and optimum moisture content for each change in soil type should be determined in accordance with Test Method ASTM D1557-78. GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 J.N. 298-87 Page Ten ' Stability Analyses and Calculations On the basis of stability calculations (Appendix D), proposed cut and fill slopes will be grossly stable at the inclinations and to the heights planned. Calculations were performed for a 60 feet high, 2:1 fill slope utilizing weakest shear strength parameters determined for remolded soils. Although calculations were not performed for a similarly configured cut slope, higher factors of safety would result due to greater shear strength values of in place bedrock materials. ' Fill Slope Construction Fill keys excavated into competent bearing soils or bedrock as ' approved by the soils engineer should be provided at the base of all proposed fill slopes to be constructed on natural slope surfaces inclining at 5:1 or greater. Minimum key widths should equal one-half proposed fill slope heights, with a minimum width 'of 15 feet. Minimum key depth should be 2 feet at the toe, and the bottom of the key should be inclined a minimum of 2 percent towards the heel. -, To obtain proper compaction to the face of fill slopes, low height fill slopes should be overfilled and backrolled during construction, and then trimmed back to the compacted inner core. Where this procedure is not practical for higher fill slopes, final surface compaction should be obtained by back -rolling during construction to achieve proper compaction to within 6 to 8 inches of the finish surface, followed by rolling with a cable -lowered sheepsfoot and grid roller. Track rolling is not recommended. Fill Over Cut Slope Construction ' Where fill over cut slopes are proposed, a fill key excavated into competent bearing soils or bedrock should be provided at the contact. The width of the fill key should equal one-half ' the height of the slope, or a minimum of 15 feet, whichever is greater. The bottom of the key should also be tilted back into the slope at a minimum gradient of 2 percent. GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 J.N. 298-87 ' Page Eleven ISlope Landscaping Landscaping for graded cut and fill slopes should consist of ' plant material requiring minimal cultivation and irrigation water to thrive. An irrigation system should be installed. However, overwatering and subsequent saturation of slope ' surfaces should be avoided. Moreover, the irrigation system should consist of very shallow or above grade piping to avoid the need for deep trenching within the slope surfaces. ' All graded slopes should be landscaped as soon as practical after the completion of rough grading (whenever water is available for irrigation). If permanent landscaping cannot ' be provided within a reasonable period of time, spray -on pro- ducts designed to seal slope surfaces should be considered as a temporary measure to inhibit surficial erosion. To inhibit surficial erosion, the tops of all cut and fill slopes should be protected from surface runoff by means of compacted earth berms and/or paved drainage catchment and ' diverter devices. ' Natural Slopes Existing natural slopes are underlain by massive, granular ' Pauba Formation materials and exhibit no evidence of insta- bility. In addition to the recommended compacted fill blanket on day- light cut lots bordered by descending natural slopes, the adjacent natural slopes should be protected from any further surface runoff by means of top -of -slope compacted earth berms ' and/or paved drainage catchment and diverter devices. 1 Cut Slope Construction owing to the general lack of significant adverse bedding of ' Paula Formation materials, cut slopes, in general, are expec- ted to be grossly stable. All cut slopes, however, should be inspected by the engineering geologist to confirm geologic ' structure. ISlope Landscaping Landscaping for graded cut and fill slopes should consist of ' plant material requiring minimal cultivation and irrigation water to thrive. An irrigation system should be installed. However, overwatering and subsequent saturation of slope ' surfaces should be avoided. Moreover, the irrigation system should consist of very shallow or above grade piping to avoid the need for deep trenching within the slope surfaces. ' All graded slopes should be landscaped as soon as practical after the completion of rough grading (whenever water is available for irrigation). If permanent landscaping cannot ' be provided within a reasonable period of time, spray -on pro- ducts designed to seal slope surfaces should be considered as a temporary measure to inhibit surficial erosion. To inhibit surficial erosion, the tops of all cut and fill slopes should be protected from surface runoff by means of compacted earth berms and/or paved drainage catchment and ' diverter devices. ' Natural Slopes Existing natural slopes are underlain by massive, granular ' Pauba Formation materials and exhibit no evidence of insta- bility. In addition to the recommended compacted fill blanket on day- light cut lots bordered by descending natural slopes, the adjacent natural slopes should be protected from any further surface runoff by means of top -of -slope compacted earth berms ' and/or paved drainage catchment and diverter devices. 1 GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 ' J.N. 298-87 Page Twelve Ascending natural slopes located above daylight fill lots should be provided with toe -of -slope, paved interceptor swales ' which conduct collected water to an appropriate dispersal area. Additionally, reinforced concrete block slough walls should be provided at the toe of the natural slope to prevent the accum- ulation of mud flow debris onto the lots. As a further measure to inhibit surficial erosion, natural slopes should not be stripped of existing vegetation. Geotechnical Inspections ' 1. An inspection of clearing operations, removals of loose fill, canyon cleanouts, fill key excavations, cut slopes, ' and general grading procedures should be performed by the project soils engineer and engineering geologist. No fills should be placed without prior approval from the geotech- nical consultants. 2. The project soils engineer or his qualified representative should be present onsite during all grading operations to verify proper placement and compaction of fill', as well as to verify compliance with the recommendations presented herein. - Volumetric Changes Volumetric changes in earth quantities will occur when going from cut to fill. Estimated shrinkage/bulking factors for various earth materials are given below: Unsuitable Fill, Alluvium, Colluvium, and Slope Wash ...... Shrinkage of 10 to 15 percent ' Bedrock and Terrace Deposits .......... Shrinkage of 3 percent It is expected that any subsidence will be negligible in exposed ' bedrock areas approved for placement of fill. However, for the purposes of estimating earthwork quantities, we recommend a fac- tor in the approximate range of 0.05 to 0.10 feet be utilized. GREAT AMERICAN DEVELOPMENT COMPANY May 8,-1989 J.N. 298-87 Page Thirteen Settlement Provided removal of unsuitable soil materials and placement of fill are performed as recommended herein, post grading settlement is expected to be within acceptable limits. ' Foundation Recommendations ' General Provided grading is performed as recommended herein, proposed ' residential buildings may be safely supported by conventional shallow spread and continuous footings. Likewise, the resultant grading will produce a stable site suited for future roadway ' improvements and underground utilities. Recommended allowable bearing capacities, lateral bearing, and other design parameters will depend on the character and quality of subgrade soils ex- isting within the upper several feet of finish grades. However, ' final foundation recommendations are not expected to vary signif- icantly from those presented in the remaining sections of this report. Allowable Bearing Capacities J I 1 An allowable bearing capacity of 1500 pounds per square foot, including dead and live loads, may be utilized for design of footings founded at a minimum depth of 12 inches below the nearest adjacent final grade. This value maybe increased to 1800 pounds per square foot for footings founded at a minimum depth of 18 inches. When designing for short duration wind or seismic forces, the above values may be increased by one-third. Settlement of Footings Under the above bearing pressures, total settlement of footings is expected to be less than 3/4 inches, and differential settle- ment is expected to be less than 1/4 of an inch. ' GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 J.N. 298-87 Page Fourteen ' Lateral Resistance A coefficient of friction of 0.4 times dead load forces may be used for concrete in contact with soil In addition, a passive earth pressure to resist increasing lateral loads. at a rate of 250 pounds per cubic foot per foot of depth, to a maximum value of 2000 pounds may be utilized. ' Deepened Footings ' Where building, block wall, or retaining wall footings are to be constructed near or on descending slopes, these footings ' should be deepened such that a minimum horizontal distance of 5 feet is maintained between the outside bottom edge of the footing and the face of the adjacent slope. Retaining Wall Parameters ' 1. All retaining wall footings should be carried to a mini- mum depth of 12 inches into undisturbed bedrock materials, approved competent native soils, or compacted fill. ' 2. An active lateral earth pressure equivalent to a fluid hav- ing a density of 40 pounds per cubic foot should be used for - , design of cantilevered walls retaining a drained level back- fill. Where the backfill slopes upward at 2:1, horizontal to vertical, the above value should be increased to 53 pounds per cubic foot. 3. All retaining walls should be provided with weep holes; or with perforated pipe and gravel subdrains to prevent entrap- ment of water in the backfill. Perforated pipe should con- sist of 4 -inch minimum diameter PVC Schedule 40, or ABS SDR - 35, with a minimum of 16 perforations per foot on the bottom ' one-third of the pipe. The pipe should be embedded in 3.0 cubic feet per foot of 1 1/2 -inch, or 3/4 -inch open -graded gravel wrapped in filter fabric. Filter fabric may consist of Supac 5-P, or equal. ' 4. Onsite soil materials exhibiting a Very Low or Low Expan- sion Potential should be used for backfill behind retain- , ing walls. All backfill should be placed in thin horizontal lifts, watered as necessary to achieve near optimum moisture I GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 J.N. 298-87 ' Page Fifteen ' conditions, and compacted in place to a minimum relative compaction of 90 percent. Flooding or jetting of backfill materials should be avoided. Expansive Soil Considerations Initial laboratory testing indicates onsite soil and bedrock materials exhibit Very Low to Medium Expansion Potentials. There- fore, expansive soil conditions will have to be determined for individual lots during and near the completion of grading. How- ever, it is anticipated that removal and mixing of site soils, ' combined with proper placement schemes will result in most lots being underlain with soils near pad grade exhibiting a very low or low Expansion Potential. Depending on the final evaluation, however, the following minimum criteria will be recommended. 1. Very Low Expansion Potential (Expansion Index 0-20) ' Standard depth footings may utilized with respect to floor heights (i.e., 12 inches for one-story, and 18 inches for two -stories). No special reinforcement of footings or floor slabs will be required. However, some reinforcement may be necessary - ' for structural considerations as determined by the project architect or structural engineer. ' 2. Low Expansion Potential (Expansion Index 21-50) Standard depth footings may utilized with respect to floor ' heights (i.e., 12 inches for one-story, and 18 inches for two -stories). ' All continuous footings should be reinforced with two No. 4 bars, one top and one bottom. Spread footings should be reinforced with No. 4 bars spaced 18 inches on centers, both ways, near the bottom of the footing. ' Dwelling area floor slabs constructed on -grade should be reinforced with 6 -inch by 6 -inch, No. 10 by No. 10 welded ' wire mesh; or with No. 3 bars spaced 24 inches on centers, both ways. All slab reinforcement should be supported on chairs or bFick to ensure the desired placement near mid depth. -fie c2S0cIP 11i &55 &l°i A% GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 J.N. 298-87 ' Page Sixteen ' Reinforcement of garage floor slabs will not be necessary. However, garage floor slabs should be poured separately from adjacent wall footings with a positive separation maintained with felt expansion joint materials, and quartered with weak- ened plane joints. A grade beam, 12 inches by 12 inches, should also be provided across garage entrances. The grade beam should be reinforced with two No. 4 bars, one top and one bottom. 3. Medium Expansion Potential (Expansion Potential 51-90) ' All footings, exterior and interior, for either one or two- story construction should be founded at a minimum depth of 18 inches below the nearest adjacent final grade. All continuous footings should be reinforced with two No. 4 bars, one top and one bottom. Spread footings should be reinforced with No. 4 bars spaced 18 inches on centers, ' both ways, near the bottom of the footing. Dwelling area floor slabs constructed on -grade should be ' reinforced with 6 -inch by 6 -inch, No. 6 by No. 6 welded wire mesh; or with No. 3 bars spaced 18 inches on centers, both ways. All slab reinforcement should be supported on chairs or brick to ensure the desired placement near mid depth. Garage floor slabs should be reinforced in a similar man- ner as dwelling area slabs. In addition, garage floor slabs should be poured separately from adjacent wall footings with a positive separation maintained with felt expansion joint ' materials, and quartered with weakened plane joints. A grade beam, 12 inches by 12 inches, should also be provided across garage entrances. The grade beam should be reinforced with two No. 4 bars, one top and one bottom. ' Prior to placing concrete, subgrade soils below all slab areas should be thoroughly wetted to achieve a moisture ' content equal to or greater than 110 percent of optimum moisture content. Minimum depth of moisture penetration should be 18 inches. ' GREAT AMERICAN DEVELOPMENT COMPANY May 8; 1989 ' J.N. 298-87 Page Seventeen The above criteria are recommended to minimize potential dis- tress to footings and floor slabs due to expansive soils. Addi- tional or heavier reinforcement may be necessary for structural considerations as determined by the project architect or struc- tural engineer. Moisture Vapor Barrier Where floor coverings are considered, concrete floors con- structed on -grade should be underlain with a moisture vapor barrier consisting of a polyvinyl chloride membrane such as 6 -mil visqueen, or equal. At least one (1) inch of sand should be placed over the membrane to promote uniform curing of the concrete. Soluble Sulfate Analysis Site soils tested were found to contain less than one-tenth of one percent water soluble sulfates. Therefore, according to Table 26-A-6 of the Uniform Building Code, special sulfate ' resistant cement will not be necessary for concrete placed in contact with onsite soil. Additional testing, however, is recommended at the completion of grading to verify this condition. Yard Drainage Positive drainage devices such as area drains, planter drains, or drainage swales should be provided around each building. Excess water should not be allowed to collect nor pond against building foundations. Roof gutters and downspouts may be re- quired on the sides of houses where there is insufficient area ' to construct yard drainage devices. Multi -Family School and Commercial Sites 1 When building locations are known, cut/fill transition zones created within the multi -family, school, and commercial sites ' will require elimination utilizing the procedure presented herein. Moreover, a specific site study may be necessary depending on the types of buildings to be constructed within these sites, and the magnitudes of their imposed loads on the underlying foundation soils. law ' GREAT AMERICAN DEVELOPMENT COMPANY May 8, 1989 J.N. 298-87 Page Eighteen Utility Trench Backfill ' All utility trench backfill under slabs and within street and utility right-of-way areas should be compacted to a minimum relative compaction of 90 percent. Onsite soils cannot be den- , sified adequately by flooding and jetting techniques. Therefore, mechanical compaction will be required. As an alternate for interior trenches (trenches under building slabs), and for utility trenches located in confined areas, imported sand having a Sand Equivalent value of 30 or greater may be used for backfill and flooded or jetted into place. No specific relative compaction will be required. However, inspection, probing, and if deemed necessary, testing should be performed. Where exterior and interior utility trenches are proposed parallel to building footings, the bottom of the trench should ' not be located within a 1:1 plane projected downward from the bottom edge of the adjacent footing. ' GRADING PLAN REVIEW Definitive 40 -scale grading plans, when prepared, should be ' reviewed by our firm with respect to conformance with the geo- technical recommendations presented herein. Depending on this review, modifications to these recommendations and/or addi- tional recommendations may be warranted. INVESTIGATION LIMITATIONS ' This report is based on the project as described and the geo- technical data obtained from the field tests performed at the ' locations indicated on the plan. The materials encountered on the project site and utilized in our laboratory investigation are believed representative of the total area. However, soils ' can vary in characteristics between excavations, both laterally and vertically. Our firm should be notified of any pertinent change in the project plans or if subsurface conditions are encountered which differ from those described in this report, since this may require a re-evaluation of our recommendations. This report has not been prepared for use by parties or projects other than those named or described above. It may not contain ' sufficient information for other parties or other purposes. ' GREAT AMERICAN DEVELOPMENT COMPANY 1 May 8, 1989 J.N. 298-87 Page Nineteen Since our investigation is based upon the site materials ob- served, selective laboratory testing, and engineering analysis, ' the conclusions and recommendations presented herein are profes- sional opinions. These opinions have been derived in accordance with current standards of practice, and no warranty is expressed or implied. This opportunity to be of continued service is sincerely ap- preciated. Please call if you have any questions pertaining ' to this report. Respectfully submitted, 'PETRA--GFO?3FPHNI INC. ' Allen Bell President ' Engineering Geologist CEG 936 CB/AB/SJ/nls 1 Siamak Jafroudi, PhD Principal Engineer G.E. 2024 w No. QC 002C2� m Eta :J✓%/ih �� 'rc EOFT'Ai1F �� I ENCLOSURES J.N. 298-87 fi II 1 APPENDIX A ........ Laboratory Test Criteria, Laboratory Test Data, Test Pit Logs, and Boring Logs ' APPENDIX B ....................... Previous Borings by Others APPENDIX C .................. Standard Grading Specifications APPENDIX D ........................... Stability Calculations fi II 1 J.N. 298-87 APPENDIX A TENTATIVE TRACT MAPS (11 Sheets) ..........................In Pocket LABORATORY TEST CRITERIA LABORATORY MAXIMUM DRY DENSITY .................. Plates A-1 and A-2 IN-PLACE MOISTURE DENSITY/TEST DATA/TEST PITS .... Plates A-3 to A-7 ' EXPANSION INDEX TEST DATA ................................ Plate A-8 SOLUBLE SULFATES.................................. Plate A-9 DIRECT SHEAR..:......................................... Plate A-10 ' CONSOLIDATION PRESSURE:CURVES ............. Plates A-11 through A-53 BORING LOGS ............................... Plates B-1 through B-107 ' LOGS OF TEST PITS.......................................... Table I L 1 I I J.N. 298-87 1 ' LABORATORY TEST CRITERIA Soil Classification ' Soil encountered within the property were classified and described utilizing the visual -manual procedures of the Unified Soil Classi- fication System. Maximum Dry Density ' The laboratory maximum dry density and optimum moisture content were determined for selected samples of soil and bedrock mate- rials in accordance with Method A of Test Method ASTM D1557-78. Pertinent test values are given on Plates A-1 and A-2. ' In Situ Moisture and Density Field moisture content and dry unit weight were determined in ' representative strata of soil and bedrock materials during the field exploration. Dry unit weights were determined in pounds per cubic foot and the moisture content expressed as a percen- tage of the dry unit weight. Test data obtained from the test pit trenches are summarized on Plate A-3 through A-7. Test data obtained from borings are given on Plates B-1 through B-107. Expansion Potential ' Expansion Index tests were performed on selected samples in accordance with Uniform Building Code Standard Test No. 29-2. Test data and expansion potentials are given on Plate A-8. ' Soluble Sulfates ' Soluble sulfate contents were determined for selected samples by Anaheim Test Laboratory of Santa Ana, California. Results of these tests are included on Plate A-9. I ""I LABORATORY TEST CRITERIA J.N. 298-87 1 Page Two Direct Shear The Coulomb shear strength parameters, angle of internal fric- tion and cohesion, were determined for remolded and undisturbed test samples. All test samples were artificially saturated, then sheared under varying normal loads at a constant rate of strain ' of 0.05 inches per minute. Test results are summarized on Plate A-10. ' Consolidation Settlement predictions under anticipated loads were made on the ' basis of the consolidation tests. Axial loads were applied in several increments to a laterally restrained one -inch high sam- ple. Loads were applied in a geometric progression by doubling the previous load, and the resulting deformations were recorded at selected time intervals. Test samples were saturated at a loading of 1.4 kips per square foot in order to evaluate the ' effects of a sudden increase in moisture content (e.g., hydro - consolidation potential). Results of consolidation tests per- formed to date are graphically presented on Plates A-11 through A-53. Several consolidation tests were in progress at the time ' this report was being prepared, and a number of other samples are scheduled for testing. This additional consolidation test data will be appended to future copies of this preliminary report. 1 I I I I I 1 -' I I I J.N. 298-87 EXPLORATORY BORINGS LABORATORY MAXIMUM DRY DENSITY Boring Depth Geologic Optimum Number (ft.) Unit Soil Description Moisture - B -2 5.0 Qps A - Clayey Sand (SC) 11.0 B-2 15.0 Qps B - Silty Sand w/Clay (ML) 15.0 B-2 25.0 Qps C - Sand w/Silt (SW/SM) 10.5 B-3 10.0 Qps D - Clayey Sand (SC) 13.0 B-3 20.0 Qps E - Sand w/Clay (SW/SC) 10.5 B-3 30.0 Qps F - Sand w/Silt (SW/SM) 13.5 B-3 40.0 Qps G - Silty Sand w/Clay (SM/SC) 13.0 B-5 10.0 Qps H - Sand w/Clay (SW/SC) 10.5 B-5 20.0 Qps I - Sand w/Silt (SW/SM) 11.0 B-5 30.0 Qps J - Silty Sand w/Clay (SM/SC) 12.0 B-5 40.0 Qps K - Sand w/Silt (SW/SM) 12.0 B-38 15.0 Qal L - Clayey Sand (SC) 8.0 B-47 2.0 Qal M - Sand w/Silt (SW/SM) 10.5 B-48 4.0 Qal N - Silty Sand (SM) 10.0 B-51 12.0 Qat O - Clayey Sand (SC) 8.0 B-53 6.0 Qal P - Silty Sand (SM) 8.0 B-56 21.0 Qal R - Silty Sand w/Clay (SM/SC) 8.5 B-59 21.0 Qal R - Silty Sand w/Clay (SM/SC) 8.0 B-60 9.0 Qal S - Sand (SW) 12.0 B-61 6.0 Qal T - Silty Sand w/Clay (SM/SC) 7.5 B-74 20.0 Qps U - Silty Sand (SM) 9.0 B-75 10.0 Qps V - Silty Sand (SM) 8.5 B-76 5.0 Qt W - Clayey Sand (SC) 8.0 Maximum Dry Density (pcf) PLATE A-1 124 117 126 122 128 118 121 129 128 125 125 134 129 128 133 134 131 134 117 136 132 133 134 I 1 EXPLORATORY TEST PITS LABORATORY MAXIMUM DRY DENSITY J.N. 298-87 C 1 I I PLATE A-2 Test Pit Depth Geologic Optimum Maximum Dry Number (ft.) Unit Soil Description Moisture M Density (Pcf) 1 TP -5 5.0 Soil AA - Clayey Sand (SC) 11.5 129 TP -14 1.0 Qal BB - Silty Sand (SM) 11.0 129 1 TP -15 5.0 Qal CC - Silty Sand (SM) 10.0 132 TP -134 3.0 Qal DD - Silty Sand w/Clay (SM/SC) 8.0 133 TP -136 4.0 Qal EE - Silty Sand w/Clay (SM/SC) 8.0 133 TP -143 1.0 Qal FF - Silty Sand (SM) 9.0 130 TP -144 3.0 Qal GG - Silty Sand w/Clay (SM/SC) 8.0 134 TP -149 4.0 Qal HH - Silty Sand w/Clay (SM/SC) 8.0 133 TP -153 4.0 Qal II - Clayey Sand (SC) 8.0 133 1 TP -162 5.0 Qal JJ - Silty Sand (SM) 8.0 134 TP -169 9.0 Qsw KK - Silty Sand (SM) 8.0 134 '•..�TP -194 3.0 Qal LL - Silty Sand (SM) 8.5 132 TP -196 3.0 Qal MM - Sand w/Silt (SW/SM) 10.0 127 TP -208 4.0 Qal NN - Silty Sand (SM) 7.5 135 TP -211 5.0 Qal 00 - Sand w/Silt (SW/SM) 10.0 128 TP -222 5.0 Qal PP - Clayey Sand (SC) 8.5 131 TP -224 4.0 Qal QQ - Clayey Sand (SC) 9.0 131 TP -225 5.0 Qal RR - Silty Sand w/Clay (SM/SC) 9.0 131 1 TP -228 6.0 Qal SS - Silty Sand (SM) 8.0 133 TP -232 4.0 Qal TT - Sand (SW) 12.0 121 1 TP -246 4.0 Qal UU - Clayey Sand (SC) 9.0 129 C 1 I I PLATE A-2 I I I 1 Test Pit ' Number 5 I I I I 1 �I 1 I I 5 6 6 7 7 14 14 15 15 18 18 19 19 20 20 21 21 94 95 97 117 119 119 133 133 133 134 138 141 141 142 142 143 144 144 145 145 146 146 147 147 J.N. 298-87 EXPLORATORY TEST PITS - PLATE A-3 IN PLACE MOISTURE AND DENSITY TEST DATA Depth Moisture Dry Density Maximum Dry Relative (Ft.) (°s) (pcf) Density (pcf) Compaction (%) 2.0 12.6 100.2 123 81 5.0 4.2 114.0 129 88 3.0 4.6 105.7 126 84 5.0 11.1 102.1 130 79 3.0 6.8 97.4 136 72 5.0 9.5 111.7 132 85 5.0 7.1 99.8 133 75 5.0 7.1 99.8 133 75 2.0 9.8 96.2 131 73 5.0 8.4 114.8 132 87 3.0 12.1 97.1 122 80 5.0 9.2 109.7 132 83 2.5 4.2 93.6 132 71 4.5 5.7 109.4 132 83 3.0 1.9 98.5 128 77 5.0 1.6 103.1 118 87 2.5 4.2 101.9 128 80 5.0 5.0 104.4 129 81 5.0 6.6 92.6 125 74 3.0 5.6 106.5 133 80 1.0 5.2 104.8 130 81 5.0 7.2 99.4 130 76 2.0 9.8 91.6 130 70 5.0 6.7 97.7 130 75 1.0 17.2 98.8 129 77 3.0 13.7 87.6 129 68 5.0 5.1_ 97.7 129 76 3.0 8.7 113.4 133 85 4.0 5.0 112.9 130 87 1.5 10.0 107.3 130 83 5.0 3.9 112.5 133 85 2.0 6.4 101.6 130 78 4.0 5.4 104.9 133 79 2.0 7.3 119.5 130 92 2.0 10.9 108.1 134 81 4.0 4.4 103.8 134 77 2.0 6.5 100.3 130 77 4.0 4.4 103.8 133 78 2.0 9.3 105.5 130 81 4.0 5.1 107.5 134 80 2.0 7.0 99.8 130 77 4.0 9.2 106.2 134 79 - PLATE A-3 I J.N. 298-87 Page Two EXPLORATORY TEST PITS _' IN PLACE MOISTURE AND DENSITY TEST DATA Test Pit Depth Moisture Dry Density Maximum Dry Relative Number (ft.) (o) (pcf) Density (pcf) Compaction (°s) ' 149 2.0 10.8 118.8 130 91 149 4.0 8.2 120.3 133 90 ' 150 2.0 9.5 114.9 130 88 150 4.0 7.0 109.4 122 90 151 2.0 4.6 100.5 130 77 151 4.0 7.1 106.8 130 82 ' 152 2.0 4.8 128.0 130 98 153 3.0 3.8 98.5 133 74 '154 155 2.0 2.0 7.5 5.9 110.5 111.2 130 130 85 86 155 4.0 5.0 114.4 133 86 156 2.0 6.8 111.4 130 86 ' 157 3.0 9.8 106.4 130 82 157 5.0 10.6 117.1 133 88 158 2.0 11.7 124.5 133 94 158 4.0 4.5 101.6 121 84 ' 159 2.0 2.4 99.2 121 82 160 2.0 10.5 108.1 134 81 160 161 4.0 2.0 6.2 11.3 101.6 107.9 134 134 76 81 161 4.0 4.9 107.5 134 80 ' 162 2.0 11.4 106.4 134 79 162 4.0 5.8 110.8 134 83 163 2.0 8.6 108.6 134 81 163 4.0 2.7 104.0 133 78 165 2.0 5.0 96.6 130 74 165 5.0 3.8_ 98.8 130 76 167 2.0 17.2 87.4 130 67 167 169 5.0 2.0 10.4 8.8 89.8 104.2 --- 134 -- 78 169 4.0 6.4 123.2 134 92 170 2.0 8.3 110.1 134 82 170 4.0 5.9 107.7 134 80 171 2.0 8.6 113.6 134 85 171 5.0 7.2 117.5 134 88 2.0 7.8 112.5 134 84 '172 172 4.0 7.5 104.4 134 78 173 2.0 9.0 109.4 134 82 173 174 4.0 2.0 5.2 7.6 112.5 105.7 134 134 84 79 174 4.0 4.6 108.3 134 81 175 2.0 7.6 105.9 134 79 I PLATE A-4 _' I 11 1 Test Pit NIIMhPr I 1 I I I I I _t J.N. 298-87 Page Three EXPLORATORY TEST PITS IN PLACE MOISTURE AND DENSITY TEST DATA Depth Moisture Dry Density Maximum Dry Relative (ft.) M (pcf) Density (pcf) Compaction M 175 4.0 3.6 107.7 134 80 176 2.0 10.9 123.0 124 99 176 4.0 12.1 118.4 124 95 177 2.0 8.9 100.3 132 76 177 5.0 7.1 104.2 132 79 178 2.0 9.2 106.2 132 80 178 4.0 8.0 104.0 132 79 179 2.0 9.1 103.3 132 78 179 4.0 6.5 114.2 134 85 180 2.0 8.1 98.8 132 75 180 4.0 5.7 111.8 134 83 181 2.0 6.8 105.5 132 80 181 4.0 3.5 112.9 132 86 182 2.0 8.1 108.1 132 82 182 4.0 4.7 106.0 132 80 183 2.0 9.1 107.5 132 81 183 4.0 6.4 115.5 134 86 184 2.0 5.0 113.1 132 86 184 4.0 4.9 120.6 132 91 185 2.0 8.6 104.0 132 79 165 4.0 4.0 103.1 132 78 186 2.0 9.2 104.6 132 79 186 4.0 4.5 96.4 132 73 187 2.0 10.3 112.1 132 85 187 4.0 6.7 113.8 132 86 188 2.0 9.4 114.2 132 87 188 4.0 4.0 124.0 134 93 189 2.0 3.1 104.0 132 79 189 4.0 3.5 100.5 133 76 190 2.0 6.2 113.4 132 86 190 4.0 2.6 110.5 132 84 191 2.0 4.8 100.1 132 76 191 4.0 5.8 112.7 134 84 192 2.0 11.4 110.5 124 89 193 2.0 8.4 99.2 132 75 193 4.0 5.4 101.2 132 77 194 2.0 8.6 100.9 132 76 194 4.0 3.4 108.8 132 82 195 2.0 7.6 91.6 132 69 195 4.0 7.8 103.6 132 78 196 2.0 6.8 103.1 127 81 196 4.0 5.9 92.6 127 73 PLATE A-5 I 1 I ' Test Pit Number I I I I I _.1 I I _1 J.N. 298-87 Page Four EXPLORATORY TEST PITS 197 IN PLACE MOISTURE AND DENSITY TEST DATA 132 73 Depth Moisture Dry Density Maximum Dry Relative (ft.) (%) (pcf) Density (pcf) Compaction (%) 197 2.0 8.0 95.7 132 73 208 2.0 8.1 110.5 135 82 208 4.0 6.9 104.2 135 77 209 2.0 6.9 100.5 132 76 209 4.0 2.8 110.3 135 82 210 2.0 5.1 98.5 132 75 210 4.0 9.4 88.3 127 70 211 2.0 6.6 92.0 128 72 211 4.0 3.8 102.0 128 80 212 2.0 6.3 100.5 132 76 212 4.0 5.7 103.6 127 82 213 2.0 13.8 107.3 132 81 213 4.0 12.8 110.7 134 83 214 2.0 6.5 107.5 132 81 214 4.0 4.8 104.6 132 79 215 2.0 5.0 105.1 132 80 215 4.0 3.5 99.4 127 78 216 2.0 11.1 94.2 132 71 216 4.0 9.2 99.4 132 75 218 2.0 10.9 103.6 132 78 220 3.0 13.7 109.7 132 83 222 2.0 11.1 109.9 131 84 222 4.0 12.6 116.2 131 89 224 2.0 11.0 105.1 131 80 224 2.0 3.9 106.2 131 81 225 2.0 10.0 102.7 131 78 225 4.0 5.4 113.8 131 87 225 6.0 10.9" 117.5 131 90 226 2.0 10.4 100.3 132 76 226 4.0 6.3 106.8 131 82 226 6.0 6.3 113.8 131 87 227 2.0 11.1 107.9 132 82 227 4.0 5.4 118.2 131 90 227 6.0 8.4 119.0 131 91 228 2.0 8.5 108.1 132 82 228 4.0 4.7 102.5 134 76 228 6.0 6.5 110.5 134 82 229 2.0 10.0 102.5 132 78 229 4.0 3.2 109.9 133 83 230 4.0 3.8 96.4 133 72 230 6.0 5.6 113.1 133 -85 231 2.0 7.5 98.3 133 74 PLATE A-6 IJ.N. 298-87 Page Five rEXPLORATORY TEST PITS (Test IN PLACE MOISTURE AND DENSITY TEST DATA Pit Depth Moisture Dry Density Maximum Dry Relative Number (ft.) (%) (pcf) Density (pcf) Compaction (%) 231 4.0 10.3 105.7 133 79 231 6.0 8.4 106.2 133 80 232 2.0 4.3 96.8 121 80 233 2.0 4.0 97.9 128 76 233 4.0 5.3 81.8 128 64 234 234 2.0 4.0 8.0 8.5 100.5 97.4 133 133 76 73 235 2.0 9.4 95.3 132 72 235 4.0 7.0 102.9 132 78 '235 6.0 3.9 106.4 133 80 237 2.0 9.7 106.2 132 80 237 4.0 5.0 113.8 133 86 237 6.0 8.1 112.7 133 85 238 2.0 12.1 95.7 132 73 238 4.0 4.1 96.6 133 73 238 6.0 6.0 104.9 133 79 239 3.0 7.9 118.8 125 95 241 2.0 11.0 93.3 132 71 241 5.0 6.0 97.9 121 81 242 2.0 4.4 113.4 129 88 243 2.0 15.5 105.7 132 80 243 4.0 10.5 111.8 129 87 243 6.0 9.0 118.6 129 92 244 2.0 13.8 104.0 132 79 244 6.0 10.7 120.1 129 93 246 246 2.0 4.0 8.1 6.2 102.2 122.7 129 129 79 95 247 2.0 9.8 106.8 129 83 247 4.0 11.2 116.8 129 91 I I IPLATE A-7 J.N. 298-87 EXPANSION INDEX TEST DATA* Expansion Expansion** Soil Type Index Potential A - Clayey Sand (SC) 38 Low B - Sandy Silt w/Clay (ML) 52 Medium D - Clayey Sand (SC) 61 Medium ' J - Silty Sand w/Clay (CM/SC) 24 Low O - Clayey Sand (SC) 26 Low ' Q - Silty Sand w/Clay (SM/SC) 17 Very Low U ' - Silty Sand (SM) 2 Very Low W - Clayey Sand (SC) 30 Low ' II - Clayey Sand (SC) 31 Low LL - Silty Sand (SM) 3 Very Low -' NN - Silty Sand (SM) 9 Very Low PP - Clayey Sand (SC) 27 Low RR - Silty Sand w/Clay (SM/SC) 11 Very Low jUU - Clayey Sand (SC)18 Very Low * Per Uniform Building Code Standard Test No. 29-2 ** Per Table 29-C, "Classification of Expansive Soils", Uniform Building Code, latest edition. PLATE A-8 SOLUBLE SULFATE CONTENTS Sample Location and Depth B-2 @ 15.0 ft. B-2 @ 25.0 ft. B-3'@ 10.0 ft. B-3 @ 20.0 ft. B-3 @ 30.0 ft. B-3 @ 40.0 ft. B-5 @ 10.0 ft. B-5 @ 20.0 ft. B-5 @ 30.0 ft. B-5 @ 40.0 ft. J.N. 298-87 Sulfate Content M 0.0138 0.0132 0.0174 0.0156 0.0144 0.0138 0.0176 0.0150 0.0134 0.0128 PLATE A-9 J.N. 298-87 1 DIRECT SHEAR TEST DATA Remolded Test Samples* * Remolded to 90% Relative Compaction ' Undisturbed Test Samples ' Boring Depth Angle of Internal Cohesion Number Soil Type Friction (degrees) Friction (degrees) (psf) ' 20.0 37 31 380 D - Clayey Sand (SC) B-77 20.0 1 J - Silty Sand w/Clay (SM/SC) 32 240 U - Silty Sand (SM) 34 100 ' CC - Silty Sand (SM) 33 160 PP - Clayey Sand (SC) 30 310 * Remolded to 90% Relative Compaction ' Undisturbed Test Samples ' Boring Depth Angle of Internal TL' Number (ft.) 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BORING NO.: 6 / SAMPLE NO.: DEPTH, ft.: 3.-E MATERIAL: CONDITION MOISTURE CONTENT, Z TOTAL UNIT WEIGHT, pcf VOID RATIO HEIGHT, inches SATURATION, Z SAMPLE TYPE INITIAL 4-Z Ila -7- /.0000 /9 FINAL /6.4 116.5 0.9500 99 .k 10.0 12.0 14.0 16.0 0.2 0.5 1.0 2.0 5.0 10.0 20.0 50.0 100.0 VERTICIL STRESS, kips per square foot O FIELD MOISTURE LIQUID LIMITS = • INUNDATED PLASTICITY INDEX = J•N- Z99-87 CONSOLIDATION TEST RESULT Plate/45/ Petra Geotechnical, Inc. i' 1 1 1 1 1 1 1 80RING NO.: & 2 SAMPLE NO.: Z-!2 DEPTH, ft.: MATERIAL: CONDITION MOISTURE CONTENT, S TOTAL UNIT HEIGHT, pcf yOID RATIO HEIGHT, inches SATURATION, S SAMPLE TYPE INITIAL 9.4( 9 ¢-o OCoO /2 FINAL /6.8 //5.3 e7-8152 om m ®®s r mm���w�mv.�wmwmmmmwL®[a'oeea mm V ®im�ii e r mm®®min®e'�o®gym �®�a®iii mmmmms® �®�ae��mr®®� m®�mrr ® aii i®�iii�®®®®®mom® �nioii�ru®i®m�ruoi � �°®®a®ier{ ®i9m°me®mem®ia�o�_�iw ®iimbioirr�r��m�m ori®ami°i®®®®�umrmemaomii ma®�mmim®om ®�®®i�nm® m��ia�mm®�i�m®®ire mamnmrm.m ®nom®ir0rr�®mm�®mrr - irm�em®®imp®nioimia® ��mur®®m um���ma�rrimerrcmum®r��m�oo �wa®r®®moim.v �®®®mm®®ummr�®®ureeim®®mr� .�®mro ®�mr�®morors�mm�o.�®memrr�s ®®®® - �.tmi®r®®irmre��®er®mum®a�gmru®mnr r®ommr®®mr� ®rm�®or®mr�®mr. me®omammr ' � ®�r®e®®rr.v�®o•®m�rr®®mrr®m�mmmmm®mro Amo®ero®morn®_gym®om®r®ir muee�mr®®ma �_mumra�imri� ®®iimorr�ioio�iii�®m mo �iimora ® m®in°Nmmo �®�®�m®�®moi® ®om NUNN rr®.ai�iii ®rimii® �mmmm iii noun i 1 � r�urmiio�m m� ����r.�� P- `�8 BORING NO.: (�3 SAMPLE NO.: DEPTH, ft.: 9 —!2 MATERIAL: CONDITION MOISTURE CONTENT, Z TOTAL UNIT WEIGHT, pcf VOID RATIO HEIGHT, inches SATURATION, Z SAMPLE TYPE INITIAL1. / //3. O % FINAL ��mm�wmmm 2.0 m 10.0 12.0 14.0 16 0 O C mmml � ��mm�wmmm ml�m MIMM ®®I { �Y ®m MMM ®®����p� �MEMIMUMMIUM IM ®®mEM M=M MIMMIN r.���s Wim ® MMsem®•. . ® ®® ®zm ®®�muemm mm®sMEN �MMMIMUM= momm MIME remmm ®®mlml®was �m m o®�e�mome7®s®®md INIm�®mAmmmim®m1�m� ��mlm_ mA�mmmmmmmmlmmm8tol®®ml� mmmnmNmmmnmsommm��® �mm�®muemmmsmo•mi mmommam�sra �mb�mv®mam®� ._ � 111111110 mim mms==� m®mmmmemm mmm�®mm0°J m m� �allm mms m 0.2 0.5 O FIELD MOISTURE • INUNDATED J. N. '198-87 Petra Geotechnical, Inc. 1.0 2.0 5.0 10.0 20.0 VERTICAL STRESS, kips per square foot LIQUID LIMITS = PLASTICITY INDEX = CONSOLIDATION TEST RESULT 50.0 100.0 Plate,4-z5g 1 1 1 1 J BORING L 0 BUCKET -AUGER P.,o/ect Red Hawk Cocat1617 t Rancho California 300/Z7 NO. l E/evafic77 -- Drill Dote= 11/30/37._ Job Ab.; 298-87 Co99ed 8v GB 91,iv117q We ht 1600 lbs. Below 2 ft: 750 lbs. Earth Research Rssod ates Inc. ..�� Desc�ipfion of ti'o e�io/s u m Q\ 44 o o I a Flo RESIDUAL SOIL Clayey Sand: Red -brown; sand fine grained; moist to damp; loose to dense. SC -- BEDROCK - PAUBA FORMATION Silty Sandstone: Light brown; fine to medium grained; some fine gravel; occasional 3 to 6 -inch cobble; occasional thin interbed of very fine Clayey Sand; damp; dense. @ 8.0 ft: Fine to coarse grained; very little gravel. @ 15.0 ft: Fine to medium grained. @ 17.0 ft: Clean - very little silt; no interbeds of Clayey Sand; dry. @ 22.0 ft: Fine to coarse grained with some gravel and occasional small cobble. @ 26.0 ft: Increased gravel - about 10 to 15: with some 3 to 5 -inch cobbles; becomes moist. @ 30.0 ft: Brown Silty Sandstone: Very silty; trace of clay; moist and dense. 6 7 14 113 111 123 7.5 2.0 13.7 90 91 95 10 20 30 Total Depth - 32.0 feet No Groundwater Encountered No Caving Earth Research Rssod ates Inc. BORING LOG BUCKET -AUGER P/o/ect Red Hawk LOCofionr Rancho California Bo/,/nq No.: 2 Elev671/C17 -- 01 -ill Dote: 11/30/87 .iobAb-; 298-87 Co99ed By. CB Drivinq ls/e/9ht: 1600 lbs. Earth Research Associates Inc- Descripfion ofNla `e�io/s h Q 0 o e O\ ` h 0 I RESIDUAL SOIL Silty Sand: Dark brown; sand fine to medium grained; moist; loose to medium dense. SM BEDROCK - PAUBA FORMATION Clayey Sandstone: Red -brown; fine to coarse 7 115 9.1 93 grained; some fine gravel; moist and dense; occasional thin interbeds of fine Silty Sand; 10 decreased clay with depth. @ 10.0 ft: .Coarse grained Silty Sandstone with some clay binder. @ 12.0 ft: Fine to medium grained. @ 13.0 ft: Trace of clay binder; some thin interbeds of coarse grained Sand. , @ 15.0 ft: Fine grained; thin interbeds of 10 0 106 16.0 91 Clayey Sandy Silt and coarse Sand. 20 @ 19.0 ft: Sandstone: Light brown; massive; fine to coarse grained; slightly silty; gravel traces; damp; dense. @ 24.0 ft: Moist; light red -brown; trace of clay binder. @ 25.0 ft: Damp. 22 116 5.0 92 @ 27.5 ft: Scattered 3 to 7 -inch cobbles. 30 Total Depth - 30.0 feet No Groundwater Encountered No Caving Earth Research Associates Inc- I 1 1 -1 Il I Project 30rir7q No. Job Ab.: — BORING LOG BUCKET -AUGER Red Hawk Locations Rancho California 3 E/evotion -- Drill Date: 11/30/87 298-87 [Ogled gv: CBD-ivll7q hlel' h1 � 1600 lbs. Bellow 2 ft: 750 lbs. Earth Research Associates fnc. PL4TE B-3 p Desc�i fior� of Moferia/s P Q � oo m Y)° ° �a RESIDUAL SOIL Silty Sand: Dark brown; sand fine to medium Si4 grained; moist; loose. BEDROCK - PAUBA FORMATION Clayey Sandstone: Red -brown; fine to coarse grained; some fine gravel; occasional 3 to 6 -inch cobbles; moist; dense. @ 2.5 ft: Light red -brown. 10 @ 3.0 ft: Decreased clay. @ 7.0 Ft: Increased gravel .and cobbles - about 12 110 8.7 90 10 to 20%. @ 10.0 ft: Very moist; decreased clay. @ 14.0 ft: Conglomeratic Sandstone: Light red -brown; fine to very coarse grained; clean; very little silt; about 10 to 20% coarse gravel and occasional 3 to 6 -inch 20 cobble; moist; dense. @ 16.0 ft: Mottled.light red -brown and gray. 18 123 9.8 96 @ 18.0 ft: Increased gravel and small cobbles, about 20 to 25%; occasional thin interbeds of fine Clayey Sand. @ 24.0 ft: Sandstone: Light brown; massive; fine to coarse grained; slightly silty; moist and dense; occasional thin interbeds of fine Silty Sand. 30 @ 28.0 ft: Fine to medium grained. @ 31.0 ft: Silty Sandstone: Brown; fine grained; very silty; slightly clayey; 22 109 8.8 92 occasional thin interbeds of fine Clayey Sand and/or Sandy Silt; moist and dense. 33 114 6.6 94 40 Total Depth - 42.0 feet No Groundwater Encountered No Caving _ Earth Research Associates fnc. PL4TE B-3 BORING Loa BUCKET -AUGER Red Hawk Rancho California Prolect ° awLocation! La o1-inq No. = 4 fleilotiop: -- Drill Dale: 11/30/87 Job /b 298-87 [o99ed By GBDriv/p� We Be ow /Of)f 1600 lbs. 25 ft. l sem. — Earth Research Associates Inc. 1 Desc�ipfion e1-%o/s Of Mo 0 o e a Q RESIDUAL SOIL Silty Sand: Dark brown; sand fine to medium grained; moist; loose to depth. SM 111 116 112 11.5 6.6 7.2 92 94 90 .7 8 30 BEDROCK - PAUBA FORMATION Silty Sandstone: Light brown; fine grained; slightly clayey; damp; dense. @ 9.0 ft: Thin interbed of coarse Sand. @ 9.5 ft: Fine to medium grained. @ 12.0 ft: Dry. @ 17.0 ft: Sandstone: Light brown; fine to coarse grained; slightly silty; some fine gravel; occasional 3 to 4 -inch cobble; damp; dense. 10 20 30 Total Depth - 32.0 feet No Groundwater Encountered No Caving Earth Research Associates Inc. BORING [O(-,7 BUCKET -AUGER Prolecl: Red Hawk Zocctica., Rancho California 30ih7q No.: 5 E/e uofi on -- Drill Dote: 11/30/87 Job Ab' 298-87 La99ed By: CB 01`ivr17q A'l i 1600 lbs. Below 25 ft: 750 lbs. Earth Research Rssodates frtc. VlIn Oesc�ipfio17 of N�o� e�io/s � Q � 3 u BEDROCK - PAUBA FORIMATION Silty Sandstone: Light red -brown; fine grained; dry; dense. @ 6.0 ft: Sandstone: Light brown; fine to coarse grained; slightly silty; gravel traces; dry; dense. @ 8.5 ft: Layer of volcanic rock fragments. 10' @ 9.0 ft: Conglomeratic Sandstone: Light brown And red -brown; fine to coarse_ grained; 12 116 8.9 90 slightly clayey; about 20 to 25% coarse gravel and 10 to 15% cobbles to 6 inches in size; moist and dense; difficult to drill. @ 15.5 ft: Silty Sandstone: Light brown; fine to medium grained; some fine gravel; damp and dense. @.20.0 ft: Fine to coarse grained; slightly clayey; damp and dense. @ 29.0 ft: Fine to medium grained; gravel traces; moist and dense. @ 33.0 ft: Sandstone: Light brown; fine to 17 22 118 113 6.5 12.5 92 90 20 30 coarse grained; slightly silty; gravel traces; damp and dense. _40- 030 30 115 5.5 92 Total Depth - 42.0 feet No Groundwater Encountered No Caving Earth Research Rssodates frtc. BORING L06 HOLLOW STEM PrOieCf Red Hawk/OCOf/ont Rancho California Bofinq No. 6 EleVOI/C17: -- Orill Dole: 12/1/87 Job Ab. 298-87 /ogged ey: ca 91-iv/ng kei9h>` 140 lbs. Earth Research Rssod ates Inc. V De,5Cn1,011017 0/-- IWOier/015 0 `V \Q), y p Cao �� 4�0 l� ALLUVIUM Silty Sand: Dark brown; sand fine to medium SM/ grained; trace of clay; moist; loose. SC @ 3.0 ft: Silty Sand: Brown; sand fine to SM medium grained; gravel traces; damp; loose. 1 2 SPT -- 6.2 -- @ 10.0 ft: Medium dense. 3 8 10 9 CORE @ 15.0 ft: Loose. 9 2 121 6.4 -- 2 SPT @ 20.0 ft: Loose; moist. 3 4 -- 8.2 -- 20 I 5 CORE 9 5 116 12.2 -- @ 25.0 ft: Sandy Silt: Light olive -brown with iron oxide staining; nonplastic; moist; very PfL 10 16 SPT -- 13.6 -- stiff. 30 @ 30.0 ft: Silty Sand: Olive -brown; sand SM/ 12 very fine to fine grained; some iron oxide ML 18 SPT staining; moist; dense. 16 -- 14.2 -- BEDROCK - PAUBA FORMATION 18 SPT Sandstone: Light brown; fine to coarse grained; slightly silty; slightly damp; dense. 31 33 __ 3.4 -- 40 Cont'd. on Plate B-7 ���✓ Qom/ 'y� Cl/ S ��� Earth Research Rssod ates Inc. BORING [OG HOLLOW STE.*f Prosect Red Hawk Locatol7: Rancho California B01,in9 No.: 6 Canted. Ele✓011017: -- D/ -ill Dote: 12/1/87 Job hb•'. 298-87 La99ed By CB Dri✓117q Yel9171 140 lbs Earth Research Assod ates Inc. PT 1Tr n ZZ as @ 40.0 ft: Increased silt; damp; dense. @ 45.0 ft: Thin interbeds of brown, fine grained Silty Sand; moist; dense. @ 50.0 ft: Silty Sandstone: Brown; fine grained; moist; very dense. 14 23 26 2.8 30 22 53 SPT -- SPT -- Drov SPT - 4.2 9.2 12 inches 12.3 -- -- -- 50 Total Depth - 51.0 feet No Groundwater Encountered CODE: SPT = Standard Penetration Test CORE = 3 -inch O.D.; 2.4 -inch Z.D. Earth Research Assod ates Inc. PT 1Tr n BORING LOG HOLLOW STEM Rancho California pro/ec/: Red Hawk Locotion� 3067c7 No, 7 Ele1101/o17: -- Drill Dole: 12/1/87 Job Ab. 298-87ZnKed By : GB DriV/nq Aei9ht 140 lbs. Earth Research Assockxtes Inc. Oesc�ipiiorl of �'la: eria/s ZZ 3�mQS a e \ V 0 o I S ALLUVIUM Silty Sand: Darkbrown; sand fine to medium grained; moist; loose. @ 3.0 ft: Damp @ 7.0 ft: Silty Sand: Light browfine to coarse grained; slightly clayey; intermediate layers of coarse, clean Sand; moist; loose. @ 13.0 ft: Groundwater SM SM/ SW . 4 3 3 4 6. SPT CORE 117 SPT -- CORE 116 SPT -- 6.6; 9.08• 16.6 17.1 5 inc 12.6 -- -- es - 10 BEDROCK - PAUBA FORMATION Sandstone: Light brown; fine to coarse grained; wet; dense. @ 18.0 ft: Fine to ver coarse y grained; some clay; wet; very dense. 150Drove 20 Total Depth - 25.5 feet Groundwater at 13.0 feet CODE: SPT = Standard Penetration CORE = 3 -inch O.D.; 2.4 -inch I.D. Earth Research Assockxtes Inc. BORING LOG HOLLOW STEPS PiolecRed Hawk Location: Rancho California t � Sorinq No.: 8 Elevofio7V -- Drill Dole: 12/1/87 Job Ab. ; 298-87 Lo99ed By CB Orivinq 1IN17h 140 lbs. Earth Research Associates Inc. PLATE B-9 OAU Description of Aaler%Ots 0 o O� all, I ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose. @ 5.0 ft: Brown; loose. @ 9.0 ft: Some fine gravel. @ 10.0 ft: Sand: Light brown; fine to medium grained; silty; intermediate lenses of fine to medium Silty Sand; slightly damp; medium dense. @ 15.0 ft: Sand: Light brown; fine to coarse grained; some fine gravel; dry; medium dense. @ 20.0 ft: Sand: Brown to light red -brown; fine to medium grained; silt g y; occasional thin lenses of fine to medium Silty Sand; slightly damp; medium dense. @ 25.0 ft: Silty Sand: Light brown; fine grained; intermediate lenses of coarse sand; damp; medium dense. @ 30.0 ft: Sand: Light brown; fine to medium grained; slightly silty; damp; medium dense. @ 35.0 ft: Sand: Light brown; fine to medium , grained; slightly silty; damp; medium dense. Cont'd. on Plate B-10 SM SW/ SM SW SW/ SM SM SP SM 3 2 4 4 7 12 5 6 7 6 11 11 4 4 6 7 8 10 8 14 14 SPT - CORE 109 SPT -- CORE 115 SPT -- SPT -- SPT - 4.1 3.6 2.1 3.2 8.5 3.9 2.7 -- -- -- -- -- -- 10 20 30 40 Earth Research Associates Inc. PLATE B-9 BORING L06 HOLLOW STE?f Protect: Red Hawk Locotionf Rancho California Borinq No. B Con t'd. flevatior7: -- Drill Dote: 12/1/87 Job b• 293-87 [o99e6y BV: GB D1-iu117q )Ver9ht: 140 lbs. Earth Research Rssoo ates Inc. -�� Oesc�i 2A017 of Mo `e�io/s . a Q @ 40.0 to 41.0 ft: Silty Sand: Brown; sand fine grained; moist; medium dense. @ 41.0 ft: Clayey Silt: Brown; sandy; wet; stiff. @ 45.0 ft: Sand: Light brown; fine to medium grained; slightly silty; dry; medium dense. @ 50.0 ft: As above; dense. SM ML SP SW 3 4 7 10 13 13 10 16 SPT -- SPT -- SPT -- 17.6 2.9 3.5 -- -- -- 50 Total Depth - 51.5 feet No Groundwater Encountered CODE: SPT = Standard Penetration Test CORE = 3 -inch O.D.; 2.4 -inch I.D. II 1 Earth Research Rssoo ates Inc. I 11 L I] BORING LOG HOLLOW STEM P/0/eCt Red Hawk ZoCOtlbl7., Rancho California Boling No.: 9 fleVof/017 -- DI -ill Dote: 12/1/87 Job tom• 298-87 [OgCJed By: GB D%ivmq Yel1171•: 140 lbs. g Oe,5CI-ipfiol7 of /✓lo elio/s Q 0 a �� e Q a j o Boa Q ALLUVIUM Silty Sand: Dark brown; sand fine to medium SM grained; moist; loose. @ 3.0 ft: Brown; damp; medium dense. @ 5.0 ft: Brown; damp; medium dense. 5 6 SPT -- 4.6 -- @ 10.0 ft: Brown; damp; medium dense. 8 7 CORE 10 8 107 5.8 -- @ 15.0 ft: Brown; damp; medium dense. 13 5 SPT 6 -- 4.4 -- @ 20.0 ft: Sand: Light brown; fine to coarse grained; slightly silty; some fine gravel; SW 6 8 14 CORE 107 2.3 -- 20 dry; medium dense. @ 25.0 ft: Sand: Light brown; fine to medium SW/ 15 8 SPT grained; silty; slightly damp; medium dense. SM 11 -- 3.3 -- @ 30.0 ft: Sand: Light broom; fine to medium grained; silty; slightly damp; medium dense. 11 � 3 SPT -- 2.2 -- 30 BEDROCK - PAUBA FORMATION Silty Sandstone: Light reddish -brown; fine to medium grained; clayey; damp; dense. 19 SPT @ 38.0 ft: Very dense and difficult to drill. 23 P9 - 9.6 -- Total Depth - 33.0 feet No Groundwater Encountered CODE: SPT = Standard Penetration Test CORE = 3 -inch O.D.; 2.4 -inch I.D. Earth Research Rssockates Inc. PLATE B-11 BORING L06 HOLLOW STEM Prolecf' Red Hawk Zocat1017: Rancho California 301-117q No.: 10 flelollol7-- Drill Dale: 12/1/87 Job /b. ` 298-87 [o99ed -9/v.* CB 91`/V117q Wel9ht 140 lbs. Earth Research Associates Inc. PLATE B-12 4 J Oe5Cripfior7 of i1N0:e1_io/5 O� 0 ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose. @ 5.0 ft: Dark brown; sand fine to medium grained; moist; loose. @ 10.0 ft: Clayey Sand: Reddish -brown; sand fine to medium grained; damp; medium dense. @ 12.0 ft: Silty Sand: Light reddish -brown; fine to coarse grained; some clay; some fine gravel; damp; medium dense. SM Sc SM/ 4 3 6 9 14 19 8 8 7 SPT - _ CORE 117 SPT -- CORE 311 inches 4.8 5.5 4.7 7.6 — -- -- -- 10 BEDROCK - PAUBA FORMATION Silty Sandstone: Light reddish -brown; fine to coarse °rained moist ve dense. 23 -37112 50 Total Depth - 21.5 feet No Groundwater Encountered CODE: SPT = Standard Penetration Test CORE = 3 -inch O.D.; 2.4 -inch I.D. Earth Research Associates Inc. PLATE B-12 I 1 lJ 1 1 BORING [OG HOLLOW STEM prolecl: Red Hawk LoCot/O17: Rancho California L'30/ No. 11 Ele�aiion: -- Drill Dofe: 12/2/87 ./Ob/b•; 298-87 [o99ed By. CB 91-iv/nq Aei 171: 140 lbs. v Eiarth Rese-wch Assod ates Inc. 0e5CI-ip11017 of Mo le1_io/s `4 alp ALLUVIUM ALLUVIUM Silty Sand: Brown; sand fine to medium grained; slightly clayey; moist; loose. SM @ 3.0 ft: Clayey Sand: Brown; sand fine to SC medium grained; dry; dense; slightly porous. 8 SPT 16 -- 3.0 -- @ 10.0 ft: Clayey Sand: Brown; sand fine to 21 14 CORE 10 medium grained; dry; dense; slightly porous. 16 16 121 5.4 -- @ 14.0 ft: Silty Sand: Brown; fine to medium grained; clayey; moist; medium dense. SM SC 4 SPT @ 16.0 ft: Thin layer of gravel. 6 -- 9.1 -- @ 18.0 ft: Clayey Sand: Brown with some iron oxide staining; very fine to fine grained; SC 7 I 20 very moist; dense. 10 CORE @ 20.0 ft: Clayey -Sand: Brown with some iron 16 101 24.7 -- oxide staining; very fine to fine grained; 22 very moist; dense. @ 25.0 ft: As above with thin intermediate SC/ 6 SPT lenses of fine Silty Sand; very moist; dense. SM 7 -- 21.9 -- @ 30.0 ft: Silty Sand: Brown; sand fine SM 11 8 14 SPT -- 22.1 -- 30 grained; very moist; dense. 17 @ 35.0 ft: Sand with Gravel: Light brown; coarse grained; moist; dense. SW 12 SPT -- 6.9 -- BEDROCK - PAUBA FORMATION 29 Sandstone: Light reddish -brown; fine to coarse grained; slightly silty; damp; dense. 37 16 SPT 40 22 -- 4.9 -- Total Depth - 41.5 feet No Groundwater Encountered CODE: SPT = Standard Penetration Test CORE = 3 -inch O.D.; 2.4 -inch I.D. Eiarth Rese-wch Assod ates Inc. I 1 1 _' 1 1 .1 BORING LOG HOLLOW STE21 P/oiect: Red Hawk Locaticar Rancho California 301-if7q No.: 12 VeVC711017: -' Drill Dofe: 12/2/87 Job No. 298-87 [OgC/ed ay CB DiiV117g Weil17t: 140 lbs • g p, >1 a Oescripfio17 of Motel 5 ^ e ALLUVIUM Silty Sand: Dark brown; sand fine to medium SM/ grained; clayey; damp; loose. @ 5.0 ft: Dark brown; sand fine to medium SC 7 SPT grained; clayey; damp; loose; medium dense. 12 -- 7.1 -- @ 8.0 ft: Moist. 11 10 @ 10.0 ft: Silty Sand: Brown; fine to medium SM 6 CORE grained; very slightly clayey; moist; medium 6 114 8.68 -- dense. @ 12.0 ft: Silty Sand: Light brown; sand fine to medium grained; moist; medium dense. SM @ 15.0 ft: Sand: Light brown; fine to coarse grained; silty; moist; medium dense. SW/ SM 5 6 SPT -- 7 9 -- @ 17.0 ft: Thin layer of gravel. $ 20 @ 20.0 ft: Silty Sand: Brown; sand fine to SM 6 CORE medium grained; moist; medium dense. 10 112 8.8 -- @ 25.0 ft: Silty Sand: Brown; sand fine to 11 3 SPT medium grained; moist; medium dense; slightly 3 -- 16.6 -- cleaner (less silt). @ 29.0 to 30.5 ft: Gravelly; very dense. 6 30 @ 30.5 ft: Clayey Sand: Brown; sand fine 26 SPT grained; moist; dense. 16 -- 11.713 -- @ 35.0 ft: Clayey Sand: Brown; sand fine -2515 SPT grained; moist; very dense. -- 12.5 -- Total Depth - 36.5 feet No Groundwater Encountered CODE: SPT = Standard Penetration Test CORE = 3 -inch O.D.; 2.4 -inch I.D. T2o�31�10 q Eofth Research Assod ates Inc. 1 -1 I 1 I I 1 BORING LOG HOLLOW STDS . Pro/ectRed Hawk Rancho California LOCOt1C17e 6&/nq No.: 13 Eleilaficl7 -- Drill Dote: 12/2/87 Jobe: 298-87 [o99ed By: 2 01-/v/17q We/917t: 140 lbs. Earth Research Assodates Glc. OescTip11017 of M. o tel-io/s Q 0 v aero Q e Q\ o o o I �a ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose. @ 3.0 ft: Brown; moist; loose. @ 5.0 ft: Damp; loose. @ 10.0 ft: Silty Sand: Brown; fine to medium grained; moist; medium dense. @ 15.0 ft: Silty Sand: Brown; fine to medium grained; thin intermediate lenses of fine to coarse Sand; moist; loose. @ 20:0 ft: Sand: Light brown; fine to coarse grained; silty; moist; medium dense. @ 25.0 ft: As above; occasional thin inter- mediate lenses of fine Clayey Sand. @ 30.0 ft: Silty Sand: Light brown; sand fine grained; thin intermediate lenses of very fine to fine Clayey Sand; very moist; loose to medium dense. @ 35.0 ft: Silty Sand: Light brown; fine to medium grianed; thin intermediate lenses of fine to medium sand; moist; medium dense. @ 37.0 ft: Clayey Sand: Brown; sand fine to medium grained; very moist- medium dense. SM SM SM Sid/5 SM SM/ SC SM SC 4 4 4 5 1 3 3 3 7 � fo 4 7 10 3 4 4 7 ( 5 SPT CORE 118 SPT -- CORE 113 SPT -- SPT SPT _ 4.5 7.810 9.2 10.2 6.0 12.6 8.8 -- -- -- - 10 20 I 30 40 Cont'd. on Plate B-16 Earth Research Assodates Glc. I 1 L _' i1 1 1 1 BORING LOG HOLLOW STE21 Prolecl Red Hawk [ocatjC17 Rancho California 30rlr7q No.; 13 Cont'd. EleVO11-017: -- Drill Dole: 12/2/87 Job %b.' 298-87 zogJed 0/ CB DriVrnq WelChj 140 lbs. 14 DeScI-ipfior7 of Mo 1el-io/s Q 0 v 3�m Q e O\ h o Q I �a P @ 40.0 ft: Sand: Light brown; fine to medium grained; thin intermediate lenses of fine to medium Sand; moist; loose. @ 45.0 ft: Silty Sand: Light brown; sand fine to medium grained; moist to wet; loose. @ 47.0 ft: Groundwater. @ 50.0 ft: Medium dense. SIf SM 4 5 5 5 5 7 5 5 12 SPT -- SPT -- SPT -- 7.4 9.2 17.0 -- -- - 50 Total Depth - 51.5 feet Groundwater at 47.0 feet CODE: SPT = Standard Penetration Test CORE = 3 -inch O.D.; 2.4 -inch I.D. Eafth Research Rsso6 ates Inc. I 1 1 .1 1 1 1 -1 BORING LOG Pro/ecf : Red Hawk Zocat%b, B01,1/79 No ; 14 Eleuofioi7. -- Job Ab.: 298-87 [o99ed By CB BUCKET -AUGER Rancho California Drill Dote: 12/15/87 D1-iv7/7q )Velyht: 1600 lbs. Earth Research Asso6 ates Inc. DT ATP n_1] V Descripfion of R0 er/o/S --C-y � -- -- -- ALLUVIUM Silty Sand: Light brown; sand fine grained; moist; loose to medium dense. @ 4.5 ft: Sand: Light brown; medium grained; clean; poorly graded; occasional fine gravel; damp; medium dense. @ 17.0 to 24.0 ft: Thin interbeds of dark brown Silty Sand, Clayey Sand, and Clayey Silt; wet; medium dense. @ 24.0 ft: Sand: Light gray; medium grained; clean; poorly graded; moist; medium dense. SM SP SM to H SP 4 5 4 1 6 108 103 1 102 98 101 2.8 4.1 3.9 14.5 7.3 10 20 Total Depth - 26.0 feet Slight Caving No Groundwater Encountered Earth Research Asso6 ates Inc. DT ATP n_1] I P a] I BORING LOG BUCKET -AUGER P/Oiecl: Red Hawk ZCCot%017t Rancho California Boiif)q No. = 15 Eleu6711017: -- Drill Dote: 12/15/87 Job Ab.: 298-87 /ogged 3/: CB Dj­ivinq ls%i�hf: 1680 lbs. Earth Research Associates Inc. De,5CI-11011017 of N10 e1_io/s v Q 3 0 o h o 0 1 ALLUVIUM Sand: Light brown -gray; medium grained; slightly silty; poorly graded; moist; medium dense. @ 5.0 ft: Clean. @ 11.0 ft: Damp. @ 12.0 ft: Occasional, infrequent lenses of Clayey Sand and Clayey Silt. @ 15.0 ft: Slightly silty and well -graded. @ 17.0 ft: Decreased Clayey Sand and Clayey Silt lenses. @ 25.0 ft: Poorly graded. SP/ SPS SP Sw/ SM 3 4 3 6 7 108 98 101 105 101 1.8 2.2 6.2 5.1 6.5 10 20 Total Depth'- 26.0 feet Slight Caving No Groundwater Encountered Earth Research Associates Inc. I 11 [1 BORING LOG BUCKET -AUGER Prolect Red Hawk ZOCCt%O17% Rancho California Boring No. 16 Eleuolla17 -- Drill Date: 12/15/87 Job .' 298-87 Co99ed By: GB Orivmq lyei9ht 1680 lbs. C V 06-50-11011017 Of 1WO1'e1_1015 Q h Q e Q h o ALLUVIUM Clayey Sand: Brown; sand fine to medium grained; moist; medium dense. @ 6.0 ft: Very moist; becomes clayier with increased depth. SC 3 120 11.8 I I I 5 _10 - Sandy Clay: Red -brown; sand fine grained; moist; medium stiff. CL. 4 115 13.3 i Clayey Sand with Gravel: Red -brown; sand fine to coarse grained; very moist; medium dense. SC Silty Sand: Red -brown; sand fine to medium grained; slightly clayey; very moist; medium dense. SM/ SC _15- 5Silty SiltySand with Gravel: Light brown; sand to coarse grained; some small cobbles; very moist; medium dense. SM 20 Silty Sand: Light brown; sand fine grained; moist; dense. SM Cont'd. on Plate B-20. Eorth Research Rssodates Inc. I 1 1 'J I J BORING LOG BUCKET -AUGER Red Hawk Pro%eCt � LOCOt%o/l: rancho California Borinq No.: 16 Canted. E1eua11o17: -- Drill Dote: 12/15/87 J06 Mo.; 298-87 Lo99ed ay: CB Drivir7q Weight 1680 lbs. @ 25 ft: 750 lbs. Earth Research Associates Inc. PLATE B-20 -14 Desc1-%pf1017 of More�io/s Q 0 oe Q\ 0 Q I @ 22.0 ft: Sand fine to medium grained. SM 7 105 11.6 25 Sand: Light brown; fine to coarse grained; clean; damp; dense. SW 15 105 3.2 Total Depth - 26.0 feet No Caving No Groundwater Encountered Earth Research Associates Inc. PLATE B-20 [1 1 I I -1 BORING LOG BUCKET -AUGER P1-01ect ; Red Hawk LOCOt/O/7= Rancho California Q0/i7q No.: 17 E/eVO11oil : -- Drill Dole: 12/15/87 Job Ab. ; 298-87 ZO.7/ed 81' CB 91-iV/r7q {Yef9ht: 1680 lbs. � OesC1-ipfior7 of IWO el'io/s Q o Q o� 0 �e 0 I ALLUVIUM Silty Sand: Brown; sand fine to medium grained; slightly clayey; moist; loose to 2.0 feet; medium dense below. SM/ SC 3 116 8.3 5 10 Silty Sand: Light brown; sand fine to medium grained; gravel traces; moist; medium dense. St•I 3 3 114 113 7.8 9.4 -15- 20 Cont'd. on Plate B-22 Earth Research Associates kr. IL 1 1 1 1 1 1 .1 -' BORING L 04 BUCKET -AUGER Prolecf Red Hawk Zocahbm Rancho California B01-inq No.: 17 Cont'd. E/eu6711017 -- Drill Daie: 12/15/87 -lob Ab. 298-87 [o99ed ay: GBD�ivir7q We7�ht 1680 lbs. 25 ft. and elow: 750 lbs. EbLr Research' Associates Inc. rj De5cl-ip11017 Of Mn e1_io/s Q a e Q o Q @ 20.0 ft: Very moist; trace of clay. @ 22.0 ft: Wet. SM 3 8 105 104 112 114 14.9 22.0 14.0 10.2 -25- Clayey Sand: Brown; sand very fine to fine grained; very silty; very moist; dense. SC/ ML 30 Silty Sand: Red -brown; sand fine to medium grained; some clay; moist; dense. - @ 32.0 ft: Lenses of Clayey Sand and Clayey Silt. Stf/ SC 15 Silty Sand: Brown; sand fine to medium grained; moist; dense. SM 16 _35- Total Depth - 36.0 feet No Caving No Groundwater Encountered- e- EbLr Research' Associates Inc. BORING LOG BUCKET -AUGER P10iec Red Hawk ZOCaf1017: Rancho California 801inq No. 18 Eleuallcl7 -- Drill Dofe: 12/15/87 Job Ab. 298-87 Lagged ey: CB D�ivmq Weight 1680 lbs. � S DesC17 1101! Of RO% e1%O/s P Q 0 o O\ 0 ,a 0 7 ALLUVIUM Silty Sand: Brown; sand fine to medium grained; moist; medium dense. @ 9.0 ft: Lenses of coarse gravel. SM 2 103 3.8 5 10 Sand: Light brown; fine to coarse grained; silty; some fine gravel; moist; medium dense. SW/ SM 4 7 109 105 5.3 8.1 -15- 57 20 Cont'd. on Plate B-24 Earth Research Associates W.- 1 1 1 i 1 O1RIIVG LOG BUCKET -AUGER Prosect Red Hawk /OCOt/Orlt Rancho California 301-inq No.: 18 Cont'd. cleuation -- DI -ill Dote: 12/15/87 Job Ab-- 298-87 Cogged By. GB D1-iv117q We/QI71 1680 lbs. 25 ft. and Below: 750 Earth Research Rssociates Inc. PLATE B-24 4 DescripfioW of N Q; o Q 4\ 4�4 �o Q @ 22.0 ft: Very moist; traces of very thin Clayey Sand Lenses. @ 23.0 ft: Intermediate lenses of fine to medium grained Silty Sand. SW/ SM 5 13 111 112 113 9.1 15.0 7.7 25 30 Sand: Light brown; fine to coarse grained; silty; very moist; medium dense. SW/ SM 6 Sand: Light brown; fine to medium grained; wet; dense. SP 20 20 105 99 12.1 11.9 -35- 520 -40- 020 Total Depth - 41.0 feet No'Caving No Groundwater Encountered Earth Research Rssociates Inc. PLATE B-24 I .1 1 .1 _1 1 .1 I Prolect — Borll!q NO. fob Ab. `— Red Hawk 19 M L5ORING LOG BUCKET -AUGER, ZoCot%orlt Rancho California Pe✓O11017: -- Drill Dofe: 12/15/87 Lo99ed By: GB 9/-iv/17q Weight: 1680 lbs. S&fth Research Associates InG De5CTI, lion 'of /WO `el-io/s P 0 Q 3 o m 'U Qa ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose. @ 3.0 ft: Light brown; damp; gravel traces; medium dense. @ 5.0 ft: Thin intermediate layer of dark brown, gravelly Clayey Sand. @ 15.0 ft: Moist. SM 12 6 3 115 105 104 3.1 2.5 6.5 5 10 15 20 Cont'd. on Plate B-26 S&fth Research Associates InG I I C 1 F 1 L' L' 11 50RIN6 LOG BUCKET -AUGER P/O�eGf' Red Hawk Locaticm Rancho California 30rinq No. 19 Cont'd. E/e✓67fjolJ -- Dail/ Dote 12/l5/87 lob lam• 298-87 lagged By CB DI Iv/nq Ifle * /ll , 1680 lbs. 25 ft. and B low: 750 lbs. �. O Oesc,-ipfion of Ma `e�io/s 0 �Q, 0 V) o @ 22.0 ft: Slightly finer grained; very moist. SM 7 15 111 112 113 11.9 11.8 11.8 -25- 515 Gravelly Sand: Light brown; fine to coarse grained; silty; some small cobbles; very moist; dense. @ 30.0 ft: Wet. @ 33.0 ft: Increased cobbles; difficult to drill. Sid/ SM 15 30 Total Depth - 33.0 feet (Refusal) No Caving No Groundwater Encountered 35 Eorth Research Rssockatea kW, Prolecf ; Red Hawk Borlf7q NO. = 20 Job hb.' 298-87 BORING LOG Re✓aflon- -- gged ay: GB [o BUCKET-AUGER Rancho California Drill Dole: 12/15/87 D%iv/nq yelC17t 1680 lbs. Ccx[� Resrorch Associates (rte g 0escI-1,;91Aof /WOO er%O/s h o p1 o 14: e �� o ALLUVIUM Silty Sand: Dark brown; sand fine grained; dampl loose to medium dense. SM Clayey Sand: Dark brown; sand fine to medium grained; moist; medium dense. SC 2 111 8.6 S Silty Sand: Brown; sand fine to medium grained; slightly clayey; gravel traces; moist; medium dense. SM/ SC 10 Sand: Brown; fine -to medium grained; silty; gravel traces; moist; medium dense. SP/ SM 2 103 5.0 15 Silty Sand: Brown; sand fine to medium grained; gravel traces; very moist; medium dense. SM 7 109 10.5 Sand: Light brown; fine to coarse grained; slightly silty; gravel traces; moist; medium dense. Sid 20 Cont'd. on Plate B-28 Ccx[� Resrorch Associates (rte 130RIN6 LOG P/olect: Red Hawk zocotioi &X//xq / o.: 20 Cont'd. Elevalloo -- Job Ab-; 298-87 [o99ed D/: CB BUCKET -AUGER Rancho California Dill Dole- 12/15/87 pgvll7q /S7 717t: 1680 lbs. 25 ft. and Blelow: 750 lbs. Desc�ipfi91 of Mate�io/s o o e � c� 0 0 i SW 4 108 14.5 Silty Sand: Brown; sand fine to medium grained; very moist; dense. 15 113 16.3 -25- Gravelly Silty Sand: Brown; sand fine to medium grained; wet; dense. SM 30 Sand: Light brown; fine to coarse grained; gravel traces; slightly silty; wet; dense. SW 15 17 105 111 9.3 12.8 35 Total Depth - 36.0 feet No Caving No Groundwater Encountered I 11 [l f' _I BORING [06 BUCKET AUGER P(oieCl; Red Hawk, Tract No. 23063 LOCOtio/7, Rancho California Boring No. 21 Pe✓a11077: -- Df U Do/ e: 10/10/88 ./obit•298-87 [o99ed By. GB Dr%Vr7q Me' t: 1680 lbs. Ralnw 5 Fre 75n i},c Descripfior� of Mo el 5 VAS Q a e o h o 4 ALLUVIUM Silty Sand: Brown; sand fine to medium grained; damp; loose. @ 10.0 ft: Sand; light brown; fine to coarse grained; some gravel; moist; medium dense. SM SW Push 2 108 106 108 109 105 115 7.2 12.8 9.6 9.9 8.4 7.6 10 BEDROCK - PAUBA FORMATION Sandstone: Light brown; fine to coarse grained; locally gravelly; moist; dense. @ 27.0 ft: Iron oxide staining. @ 27.5 ft: Silty Sandstone; light brown; fine grained; slightly micaceous; moist; dense. @ 29.0 ft: Sandstone; light brown; fine to coarse grained; some gravel; moist; dense. 6 12 8 15 20 30 Total Depth - 31.0 feet No Groundwater No Caving [1 11 1 11 1 1 1 5,0RIN6 .- LOG P/Olecl: Red Hawk, Tract No. 23063 (oCc7tjbi Bori/7q No. = 22 flevaf/ on : -- Job lib.: 298-87 Lo99ad By CB BUCKET AUGER Rancho California _ Drill Dofe: 10/10/88 Dfivinq Weight: 1680 ibs. Q 4 0e,5C,-1,;911;917 'of IWOi el%O/s J V tz �cp 0 (`0 ALLUVIUM Silty Sand: Brown; sand fine to medium grained; dry; loose. @ 2.5 ft: Clayey Sand; brown; sand fine to medium grained; moist; dense. @ 6.0 ft: Silty Sand; brown; sand fine to medium grained; trace of clay; moist; medium dense. @ 11.5 ft: Layer of gravel and small cobbles. SM SC 2 4 108 114 11.4 .11.7 5 —10- BEDROCK - PAUBA FORMATION Sandstone: Light brown; fine to coarse grained; trace of clay; moist; dense. @ 18.5 ft: 15 ro 20% gravel; some small cobbles; becomes very dense. 9 109 8.9 15 20 Total Depth - 20.0 feet No Groundwater No Caving I 11 0 I 1 it 1 _1 BORING LOG BUCKET AUGER Ploiect: Red Hawk, Tract No. 23063 [oCot%o/7: Rancho California 301-ir7q 1170.= 23 PeVaf1017. -- D,'ill Dole: 10/10/88 Joh Ab. 298-76 Co99ed 8GB 91,iv/17q Weight.- 1680 lbs. 4 Oe5CrlplloX7 'of Motel-io/s 4i t') a e Q\ o Q I ALLUVIUM Silty Sand: Brown; sand fine to medium grained; dry; loose. @ 2.0 ft: Damp; medium dense; trace of clay. @,7-0 ft: Cobbles SM 4 116 6.7 5 BEDROCK - PAUBA FORMATION Clayey Sandstone: Light brown; fine to coarse grained; 15 to 20% gravel and small cobbles; moist; dense. @ 12.0 ft: Sandstone; light brown; fine to coarse grained; trace of clay; moist; dense. 8 10 122 108 10.2 8.6 10 -15- 510 Total Depth - 16.0 feet No Groundwater No Caving i I 1 I 1 1 -1 1 80RIN6 LOG BUCKET AUGER P/Oiect; Red Hawk, Tract No. 23063 LOCOtlol7 Rancho California Borinq No. 24 Elevation. -- Drill Dote: 10/10/88 Job A& ° 298-87 [Ogged & CB OriV/nq Weight: 1680 lbs. Descri01A917 Of IWO e�io/s Q ,v v oQ o Q O o o I ALLUVIUM Silty Sand: Brown; sand fine to medium grained; dry; loose. @ 2.0 ft: Moist; medium dense. Sbf 5 BEDROCK - PAUBA FORMATION Clayey Sandstone: Brown; fine to coarse grained; some gravel; moist; dense. @ 8.0 ft: Increased gravel; some small cobbles. @ 9.0 ft: Sandstone; light brown; fine to coarse grained; trace of clay; some gravel; moist; dense. - @ 16.0 ft: Silty Sandstone; brown; fine grained; moist; dense. @ 20.0 ft: Damp; dense. 5 5 10 9 125 106 117 109 9.3 12.5 15.8 6.2 10 ti 15 20 Total Depth - 21.0 feet No Groundwater No Caving - I I 1 1 1 ;1 1 1 -1 (JOKING LOG BUCKET AUGER P/OjeCl: Red Hawk, Tract No. 23063 [ocat%On; Rancho California BorirxJ No.: 25 Pe✓ofion -- Drill Da fe : 10/10/88 Job Ab. z9a-87 Lo94ed By: GB Dfi✓117q {yei9h>`: 1680 lbs. Q OescriPfion of 100ler%O/5 Q JvC h o Q 4� a Ib 0 I ALLUVIUM Silty Sand: Brown; sand fine to medium grained; dry; loose. @ 2.0 ft: Trace of clay; moist; medium dense. SM 117 112 115 4.3 8.0 10.1 5 BEDROCK - PAUBA FORMATION Sandstone: Light brown; fine to coarse grained; trace of clay; some gravel; damp; dense. @ 8.0 ft: 15 to 20% gravel and cobbles. @ 10.0 ft: Light red -brown; decreased gravel. @ 13.0 ft: Increased gravel and cobbles - 20%. @ 16.0 ft: Silty Sandstone; brown; fine grained; slightly micaceous; moist; dense. 4 8 16 10 15 Total Depth - 18.0 feet No Groundwater No Caving I 1 1 1 E -1 BORING LOG BUCKET AUGER p/O�eCl� Red Hawk, Tract No. 23063 (0Cpt�O17 Rancho California Boring No.: 26 Elevo11017: -- Drill Dole: 10/11/88 Job Ab.: 298-87 Zogqed By CB 91,iw17q {Se1w. 1680 lbs. 4 Z Desc�ip7`ior� of Mate�io/s Q JU�� V, V)53 (t o o `4 ALLUVIUM Silty Sand: Brown; sand fine to medium grained; fairly clean - low silt content; dry; loose. @ 2.0 ft: Damp; medium dense. @ 5.0 ft: Trace of clay. @ 11.5 to 14.0 ft: Scattered gravel. SM 1 Top 1 116 113 ill 10.4 11.5 10.0 5 _10- 0Top -15- 51 20 BEDROCK - PAUBA FORMATION Sandstone: Light red -brown; fine to coarse grained; some gravel and small cobbles; moist; dense. 8 115 8.5 Total Depth - 21.0 feet No Groundwater No Caving I 11 11 1 1 1 1 -1 BORING LOG BUCKET AUGER Pl-olect: Red Hawk, Tract No. 23063 ZOCCf1017, Rancho California Borinq No.: 27 Peuofion: -- Drill Dote: 10/11/88 Joblb., 298-87 Lo99ed B, I GB Orivinq Weight: 1680 lbs. Aj DescriPfior7 of Mo e�io/s Q 0 a e Q h a moo° l ALLUVIUM Silty Sand: Brown; sand fine to medium SM grained; dry; loose. @ 3.0 ft: Fairly clean - low silt content; damp; medium dense. 5 @ 7.0 ft: Clayey Sand; light red -brown; sand fine to coarse grained; some gravel and small cobbles; moist; medium dense. @ 8.5 ft: Decreased gravel; no cobbles. @ 10.0 ft: Sand; light red -brown; fine to coarse grained; some clay; moist; medium SC SW 1 1 112 108 9.8 10.3 10 dense. BEDROCK - PAUBA FORMATION Silty Sandstone: Light red -brown; fine to medium grained; some gravel and small cobbles; moist; dense. 15 @ 17.0 ft: Sandstone; light red -brown; fine 5 107 20.8 to coarse grained; trace of clay; moist; dense. 20- 10 107 6.7 Total Depth - 21.0 feet -No Groundwater No Caving I 1 1 [l 1 1 1 L� 1 1 1 1 1 1 1 1 1 BORING Loa BUCKET AUGER Pr01eC1; Red Hawk, Tract No. 23063 ZoCotio/I: Rancho California Boiii7q No.: 28 P,-VC11o17: -- Drill Dote: 10/7.1/88 Job hh_' 298-87 [ogged -9y CB D/IVlRq ye,l tlt: 1680 lbs. 9e,50fior7 of Ma�e�io/s P Q 0 m 3Qm o o\ \ o .ham I �a ALLUVIUM Silty Sand: Brown; sand fine to medium grained; dry; loose. @ 2.0 ft: Damp; medium dense. @ 3.0 ft: Clayey Sand; red -brown; sand fine medium grained; damp; dense. @ 5.0 ft: Silty Sand; light red -brown; sand fine to medium grained; some clay; damp; dense. SM SC SM 10 118 7.3 5 1 BEDROCK - PAUBA FORMATION Silty Sandstone: Light red -brown; fine to coarse grained; 10 to 15% gravel; trace of clay; moist; dense. @ 10.0 ft: Sandstone; light red -brown; fine to coarse grained; some gravel; moist and dense. 1 8 9 106 109 13.9 7.4 10 15 Total Depth - 16.0 feet No Groundwater No Caving [1 I 1 1 _1 602ING LOG BUCKET AUGER P/Olecl; Red Hawk, Tract No. 23063 ZOCaf1017: Rancho California 301,11-lq No. z 29 E/eV671i017: -- DIlU DOfe 10/11/88 .Job Ab- 298-87 Cogged By: GB D1-iv�i7q Wei9ht� 1680 lbs. \jA9 Desc�iPfio� of Mote�io/s o ZZ m atm o Q Q v � o I oa ALLUVIUM Sand: Brown; fine to coarse grained; some silty fines; dry; loose. @ 2.0 ft: Silty Sand; brown; sand fine to medium grained; slightly damp; medium dense. @ 7.0 ft: Moist. SW 3 1 106 116 4.4 10.4 5- _10- 15 BEDROCK - PAUBA FORMATION Sandstone: Light red -brown; fine to coarse grained; trace of clay; very moist; dense. @ 16.0 ft: Clean; some fine gravel. @ 19.0 ft: Increased gravel; some small cobbles. 10 14 117 115 11.9 8.4 -20- Total Depth - 21.0 feet No Groundwater No Caving \jA9 BORING LOG BUCKET AUGER Pl-ojeCt: Red Hawk, Tract No. 23063 [oCptipn; Rancho California Sorinq No.: 30 Elevafiop -- Drill Dote: 10/11/88 Job Ab. : 298-87 Logged By: CB DI-ivmg Weight: 1680 lbs. 0e,5C1-i fio1 of �i9aferic/s P ALLUVIUM Silty Sand: Brown; sand fine to medium grained; dry; loose. @ 2.0 ft: Slightly damp; medium dense. @ 10.0 ft: Loose. SM 1 1 109 101 108 109 3.0 4.6 11.3 10.3 5 10 BEDROCK - PAUBA FORMATION Sandstone: Light red -brown; fine to coarse grained; some gravel; moist; dense. 8 5 -15- 58 20 Total Depth - 21.0 feet No Groundwater No Caving v 5i I C 0 __' 1 H BORING LOG BUCKET AUGER P/OleCl: Red Hawk, Tract No. 23063 ZoCoh;917: Rancho California Borir7q No.: 31 EleuaI1017 -- Drill Dafe: 10/11/88 Job /b. -- 298-87 [o99ed 3/ CB 91-1v117illelot: 1680 lbs. ili.., 7c Pr. 7Gn 11... CO ALLUVIUM Silty Sand: Brown; sand fine to medium grained; dry; loose. @ 3.0 ft: Slightly damp; medium dense. @ 7.0 ft: Moist. @ 10.0 ft: Loose. @ 15.0 ft: Medium dense. @ 17.0 ft: Light brown; becoming dense. @ 20.0 ft: Moist. @ 25.0 ft: Damp. SM 1 1 2 6 10 14 19 101 101 114 118 116 109 113 116 3.0 6.4 8.2 13.8 8.5 11.0 14.2 3.2 10 20 30 20 BEDROCK - PAUBA FORMATION Sandstone: Light brown; fine to coarse grained; some gravel; damp; dense. 18 Total Depth - 42.0 feet No Groundwater— roundwater—No Caving No I 1 1 [1 1 1 50RIN6 LOG BUCKET AUGER P/olecl; Red Hawk, Tract No. 23063 ZoCot%or7: Rancho California Borinq No. 32 E/eu011017- -- DI -ill Dofe: 10/12/88 Job Ab.; 298-87 Cogged 8y GB D1-ivi17Bq {t%KIf7t: 1680 lbs. elow'25 ft: 750 lbs. Q v De scripfior7 of ACJfer%O /s � Q C ��� 0 h 3�m�a '44 e o\ h o o f ALLUVIUM Silty Sand: Light brown; sand fine to medium grained; lenses of coarse sand; dry; loose. @ 5.0 ft: Silty Sand; dark brown; sand fine to medium grained; damp; loose and porous. @ 12.0 ft: Red -brown; occasional gravel; becoming moist; medium dense and porous. _ @ 25.0 ft: Some clay; still porous. @ 29.0 ft: Wet. @ 30.0 ft: Water. SM 1 1 2 2 1 106 111 112 109 111 115 120 3.6 6.1 8.0 11.2 11.6 14.2 12.8 10 20 30 BEDROCK - PAUBA FORMATION Silty Sandstone: Red -brown; fine to coarse grained; some gravel; very moist; dense. @ 35.0 ft: Slightly finer grained. 9 20 Total Depth - 36.0 feet Groundwater at 30.0 feet No Caving Removal of at least 20 feet required. I 1 1 I _1 11 50R11VG LOG BUCKET AUGER PrOleCl; Red Hawk, Tract No. 23063 ZOCOtol7t Rancho California 801-//70 NO.: 33 Peu6711017 -- Drill Dafe: loil2i88 Job A/0 ' 298-87 logged ay: GB Orivir7Ale)gh.t 1680 lbs. 1.... 9C F, 7qn 1t_ C �. v De_5CriPfion Of Mare1_/o/s a O Q Q\ n �a ALLUVIUM. Sand: Light red -brown; fine to coarse grained; some silt; dry; loose. @ 3.0 ft: Damp and medium dense. @ 7.5 ft: Silty Sand; dark brown; sand fine to coarse grained; clayey; very moist; medium dense and porous. @ 15.0 ft: Increased density; still porous. @ 18.0 ft: Decreased clay. @ 25.0 ft: Sandy Clay; green -brown; some iron oxide staining; very moist and stiff. SW SM - SC CH 1 1 1 1 2 102 110 114 111 119 4.4 13.2 13.5 13.9 9.8 10 20 BEDROCK - PAUBA FORMATION Sandstone: Light brown; fine to coarse grained; 20 to 25% gravel and small cobbles; trace of clay moist, de 30 Total Depth - 29.0 feet No Groundwater No Caving I _r 1 I O52IG LOG BUCKET AUGER PrOjeCt. Red Hawk, Tract No. 23063 LOCat%6/7/ Rancho California Borj17q No. 34 Pexallcp -- Drill Dote: 10/12/88 Job Ab.' 298-87 Lagged 8y GB 91-iv117q Weight 1680 lbs. 4 Desc�i >`iorl of Mote�io/s �,9 LAI ALLUVIUM Sand: Light red -brown; fine to coarse grained; some silty fines; dry; loose. @ 4.0 ft: Damp; medium dense. @ 5.0 ft: Silty Sand; dark brown; sand fine to coarse grained; trace of clay; very moist; loose. @ 13.0 ft: Decreased clay. @ 15.0 ft: Silty Sand; light red -brown; sand fine to medium grained- gravel traces; very moist; medium dense and porous. @ 21.0 ft: Seepage. SW SM SM 1 Top 1 2 119 115 106 113 117 13.2 14.7 9.5 13.5 9.2 10 20 BEDROCK - PAUBA FORMATION Sandstone: Light brown; fine to coarse grained; 20% gravel and cobbles; very moist; dense. 10 Total Depth - 26.0 feet Groundwater Seepage at 21.0 feet No Caving I L! I i' I 00RIN6 LOG BUCKET AUGER P/0jeC1: Red Hawk Tract No. 23063 [OCCtI017. Rancho California Ba -//79 No.: 35 Elev011017 -- Drill Do k: 10/12/88 Job Ab.: 298-87 [ogged 8f CB Dfivmq )Vel917t 1680 lbs. g Desc�iP7`ion of Mo><e�io/s � h -a, Q �� v3Ij V ` o ALLUVIUM Silty Sand: Light brown; sand fine to medium grained; damp; loose. @ 4.0 ft: Trace of clay; some grave. @ 5.0 ft: Thin:layer of coarse Clayey Sand; damp; dense. @ 7.0 ft: Silty Sand; light red -brown; sand fine to medium grained; some clay; some gravel; moist; medium dense. SM SC SM 9 1 108 107 121 4.7 6.8 10.8 5 _10- 01 -15-- 5BEDROCK BEDROCK- PAUBA FORMATION Sandstone: Light red -brown; fine to coarse grained; 20 to 25% gravel and small cobbles; moist; dense. @ 18.0 ft: Increased cobbles - difficult to drill. 8 Total Depth - 19.0 feet No Groundwater No Caving C] 11 1 1 -1 BORING LOG BUCKET AUGER Prolecf °_ Red Hawk, Tract No. 23063 Zccaf1011: Rancho California B01.1fq No.: 36 Pevollco -- DI -ill Dofe: 10/12/88 Job Ab.; 298-87 [o99ed By: CB 01-iv/ng Ple)�ht: 1680 lbs. nr "r n-1.1 '-4 Desc�iPfiol� 'of M. a e�io/s Q a e o a a ALLUVIUM Silty Sand: Brown; sand fine to medium grained; dry; loose. @ 3.0 ft: Damp. @ 4.0 ft: Moist; trace of clay; medium dense. @ 14.5 ft: Sand; light gray -brown; fine to coarse grained; 20 to 25% gravel and cobbles; trace of clay; moist to very moist; dense. Ski SW 1 2 107 109 118 7.2 6.3 9.4 5 10 15 BEDROCK - PAUBA FORMATION Sandstone: Light red -brown; fine to coarse grained; trace of clay; very moist; dense. 10 20 Total Depth - 21.0 feet No Groundwater No Caving nr "r n-1.1 I 1 J _' I 11 I BORING LOG HOLLOW STEM Prolecl; R dhawk Rancho California LOCOtlbl7 Tram No. 73064 BOring NO.: 37 cr1e✓O11C17 Drill Dote: 3/14/89 /OtJ 298-87 [a99ed ey : cs & TD OnVing Alli jht : 140 lbs. Desc;iorior� o; iN, a e;io/s o,0 h 43 3 o e u Q o �kA� Q �a ALLUVIUM Silty Sand: Brown; sand fine to medium grained; some Tien gravel; moist; loose. @2.5 ft.: Medium dense and porous @5 ft.: Decreased porosity @7.5 ft.: Medium dense with slight porosity @12.5 ft.: Increased gravel SM 4 4 3 1 7 7 6 8 4 4 6 6 6 4 5 7 112 112 106 107 111 114 8.6 6.7 5.8 7.4 7.5 8.3 5 10 15 BEDROCK - PAUBA FORMATION Silty sandstone: Light reddish -brown; fine to medium grained; moist; dense @20 ft.: Fine to coarse gravel 11 13 20 28 43 116 121 8.5 6.1 20 Total Depth - 21.5 feet No Groundwater PLATE B-45 I 1 1 1 11 1 :1 ;1 ;1 1 1 1 1 1 1 BORING LOG HOLLOW STEM P/0�2Ct: Redhawk, Rancho CaliforniaLOCOfio/); Tract No. 23064 B&Jl79 No.: 38 c/2V0%IC17 Drill Dak: 3/14/89 ./ob rte.: 298-87 [099-061 By; CB & TD 91-/Vll7q XelC17t: 140 lbs. PLATE B-46 Desc�iPfior7 of Mare�io/s ALLUVIUM Silty sand: brown; sand fine to medium grained; moist; loose. @6.0 ft.: Medium dense; porous @9.0 ft: Light brown; decreased porosity @12.0 ft: Trace of clay and fine gravel @15.0 ft.: Clayey sand: Light brown; sand fine to medium grained; moist medium dense. @18.0 ft: Increased sand Cont'd on Plate B-47 0Co 66 SM SM SC Sc 3 2 3 5 5 7 4 5 6 4 6 5 5 7 5 o 9 111 113 111 110 111 109 9.5 9.7 8.3 9.4 11.6 10.2 5 10 15 20 PLATE B-46 I 1 �J 1 I 1 -1 BORING LOG HOLLOW STEM Proj ec7 ; Redhawk, Rancho California LOCOf/6/79ract No. 23064 Borfi7q No.: 38 Cont'd E1eV6711017 DSIII Do' : 3/14/89 Job b 298-87 LO99ed g : CB s TD DijV117q Weight: 140 lbs. PLATE B-47 Desc -1, r2 0� of /talo; e�ia/s Q a Q Q a Q @21.0 ft: Trace of fine gravel; dark brown; medium dense @24.0 ft.: Sandy clay: Brown; sand fine grained; moist; dense Spotted with white carbonceous material; decreased moist; dense SCJ-HY CL 9 12 19 16 25 116 105 121 15.1 21.9 12.6 25 Total Depth — 28.5 feet No Groundwater PLATE B-47 [1 1 11 -1 BORING LOG HOLLOW STEM P/0l2Ct' Redhawk, Rancho California LOCGf1011: Tract No. 23065 800179 NO.: 39 Elev6711C17 Drill Dafe: 3i14i89 Job l b. 298-87 Lo992d By: CB & TD 91-ivmg lt%,0t: 140 ,hG Total Depth - 24.0 feet PLATE B-48 o I De,5C1-iprion O; More�io/s o oQ o\ o .� ALLUVIUM Silty sand: Dark brown; sand fine to SM medium grained; moist; loose. 1 2 112 10.8 @5.Oft.: 2 3 5 Brown; medium dense; some porosity 5 7 4 7 119 120 10.2 10.8 @10.0 ft.: 10 10 Decreased porosity 4 6 115 10.5 8 4 4 113 10.1 @15.0 ft.: 9 3 15 Increased moisture 5 6 3 112 10.4 4 109 8.4 6 4 20 5 7 116 8.9 BEDROCK - PAUBA FORMATION 6 Sandstone: light brown; fine to coarse 15 ill 5.0 grained; moist; dense —L5 -Ml Total Depth - 24.0 feet PLATE B-48 [l 1 1 [l i f' 1 _.' _1 BORING LOG HOLLOW STEM P/o�ecl: Redhawk, Rancho California ZoCat1617: Tract. No. 23065 B01-i�79 No.: 40 Veiofion: Drill Dole- 3/14/89 ./ob/b' 298-8� [o99ed By: GB s TD 91-iw17g klei9ht: 140 lhs. PLATE B-49 v M, O1e�io/s Desc�i tion ofAJ rj o e a o Q ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose @6.0 ft.: Light brown; damp; medium dense @9.0 ft.: Moist; medium dense SM 2 2 3 7 9 9 5 5 7 4 4 5 4 6 6 107 105 102 107 105 10.3 5.6 5.8 6.4 7.0 5 10 15 BEDROCK - PAUBA FORMATION Silty Sandstone: Light yellow-brown; fine to course grained; damp; dense Fine grained; light reddish -brown with some oxide staining, 16 22 21 20 26 130 107 2.6 15.0 20 Total Depth - 22.5 feet No Groundwater PLATE B-49 [1 F 1 1 [l i' �t i' n _1 BORING LOG HOLLOW STEM P,-Olecl: Redhawk, Rancho California Zacaf or7! Tract No. 23065 301-%/7q No.: 41 E/eVO11077: Oil ll Do fe : 3/14/82 jab /vo. ; 298-87 Ca99ed 9/: CB s TD )?/-jVnq Weight: 140 lbs PLATE B-50 0 I Oe5c1-1Pf1017 Of /t O er%O/s Q o Q Q\ o Q 3 m VI ALLUVIUM Silty Sand: Brown to light brown; sand fine; moist; loose 3 5 116 4.8 7 5 6 8 107 3.0 13 3 4 112 6.2 7 10 @10.0 ft.: Clayey Sand: Brown; sand fine to 2 102 11.6 coarse grained; moist 4- 5 3 4 105 6.5 4 15 @15.0 ft.: Fine to coarse grained 3 6= 5 3 103 5.2 16 11 104 13.9 20 Cont'd on Plate B-51 PLATE B-50 I I I [l i i 1 _t -1 BORING LOG HOLLOW STEM P/OjeCf : Redhawk, Rancho California ZOCat1017: Tract No. 23065 Boling No. :41 Cont'd E/ev011017: Drill Dare: 3714789 Job Ab ' 298-87 Zog9ed 3X: CB & TD Drivil7g ltlel0t: 14n 1h, _ PLATE B-51 Oe,5CI-ip9 1017 Of IWO i e1%O�S A) C AJ m � Q Q� @22.5 ft.: Silty Sand: Brown; sand fine grained; moist; SC 4 6 J111 11 8 12 8.9 7.8 25 BEDROCK - PAUBA FORMATION Sandstone: Light brown; fine to coarse a' e Total Depth - 26.5 feet No Groundwater 18108 15 106 2.5 PLATE B-51 I 1 A I I 0 I 1 1 1 Il BORING LOG HOLLOW STEM P/O%ecl Redhawk, Rancho California LOCOf/c/7 Tract No. 23065 Bol -%l79 NO. 42ReVO1/017: Drill Dafe- 3/14/89 ./Ob Ab.; 298-87 Lo99ed By � CB & TB D,-iving We%9ht: 140 1h,. VLAlt n -DL dao � 0 kUCQ lav O FO ALLUVIUM Silty Sand: Dark brown; sand fine to SM medium grained; moist; loose 2 @4.0 ft..: 2 2 105 6.0 5 Sand: Light brown; fine to medium grained; SW damp; loose to medium dense. @6.0 ft.: 5 Silty Sand: Light brown; sand fine to medium grained; moist; medium dense. SM 6 7 5 110 110 11.2 8.1 7 10 g 7 @15.0 ft.: 9 12 3 113 6.6 15 Increased moinsture 5 5 3 105 10.0 5 6 104 14.4 20 Cont'd on Plate B-53 VLAlt n -DL I 1 1 1 11 '-ti 1 _1 BORING LOG HOLLOW STEM P/0�2Ct Redhawk, Rancho California ZOCO%/o/%. Tract No. 23065 BOl117,9 NO.: 42 Cont'd r/eVOf/OIJ DTIII gate: 3/14/89 job Ab. ' 298-87 [o99ed By: CB & TDDI -/ V117,7 lej917f:140 lbs. YLAit 6-D3 v @21.0 ft.: Slightly finer grained @24.0 ft.: SM 4 5 7 7110 104 11.9 25 Fine to medium grained SW 10 8.7 @25.0 ft.: 13 Sand: Light brown; fine to coarse grained; damp; dense 10 20 38 9 115 7.2 30 @31.0 ft.: Silty sand: Light brown; sand fine to SM 10 112 8.913 medium grained; moist; medium dense 8 9 12 107 12.1 35 @36.0 ft.: 15 Sand: Light brown; fine to coarse grained; damp dense @39.0 ft.: SW 16 19 11 112 5 2 40 Slightly finer grained 13 — 106 10.1 Total Depth - 40.5 feet No Groundwater YLAit 6-D3 11 1 I :I .A s ' 1 I, BORING L06 HOLLOW STEM PYOlect: Redhawk, Rancho California ZOCOf1017: Tract No. 23065 B0///1L9 NO.: 43 Ele!/Q1/0/7: DTIII Date 3114189 .lOb Ah : 298-87 [ogged By: CB & TD 91-iv117q 6delght 140 lbs. 7�cc�-30(p YJ 10:J fiPWY W / PLATE B - 54 Desc,-;o; ion Of Ma e�io/s Q a �< e o� % o 10 Q I ALLUVIUM Silty Sand: Brown; sand fine to medium grained; moist; loose @5.0 ft.: Damp; dense SM 8 16 22 113 2.5 5 10 BEDROCK - PAUBA FORMATION Sandstone: Light brown; fine to coarse grained; damp; dense 8 13 9 13 22 9 15 22 110 112 112 1.0 2.3 0.9 15 20 Total Depth - 21.5 feet No Groundwater 7�cc�-30(p YJ 10:J fiPWY W / PLATE B - 54 I [1 1 _' U 1 -1 BORING LOG HOLLOW STEM P/olecl: Redhawk, Rancho California LoCafloa: Tract No. 23065 80rl/79 NO. 44 c/eYO11017: Drill Dafd 3/14/89 _10,b Ab.; 298-87 [O99ed ay: CB & TD 91-iVll7q Welyhf: 140 lbs. V �. 29e5CI-1-0ion Of IW0 er/O1S � ) v 3U� \ Q ALLUVIUM Silty Sand: Brown; sand fine to medium grained; moist; loose. @5.0 ft.: Slightly cleaner; some fine gravel; medium dense @8.0 ft.: Sand: Light brown;fine to coarse grained; damp; medium dense. @10.5 ft.: Silty Sand: Brown; fine to medium grained; moist; medium dense. @19.Oft. Sand: Light -brown; fine to coarse grained; Cont'd on Plate B-56 SM SW S1 4 5; 7 4 5 7 3 3 5 110 110 107 8.1 7.4 11.6 5 10 15 20 PLATE B-55 I 11 1 11 LJ I .1 BORING LOG HOLLOW STEM Project: Redhawk, Rancho California ZoC07`iol7: Tract No. 23065 ,301-j1747 No.: 44 Cont'd E/e/67170/7: Drill Date: 3/14/89 JotjAb.: 298-87 Logged By: CB & TD D1-ivi17q Wejj17 : 140 lbs. PLATE B-56 v D2SCl1O9 '0/I of IWO elio/s ,j �o C4 @25.0 ft.: Silty Sand: Light reddish -brown; sand fine to medium grained; fairly clean; moist; medium dense SW 6 6 9 10 14 108 112 3.9 7.7 25 30 BEDROCK - PAUBA FORMATION Silty Sandstone: Light brown; fine to coarse grained; damp; dense Ib 19 39' 14 26 33 115 111 6.7' 8.8 35 Total Depth - 36.5 feet No Groundwater PLATE B-56 I I -r 1 -1 BORING LOG HOLLOW STEM P/Oiect; Redhawk, Rancho California Zocct1b17, Tract No. 23065 L901-iI7q No. a5Eleio7'1on Dill Dafe i�147B9 ./Obho. 298-87 [Ogged ay CB 6 TD 01-IV/17q Wel9ht: 140 lbs. ioQ v h ALLUVIUM Silty Sand: Brown; sand fine grained; damp; loose @5.0 ft.: Moist; medium dense @10.0 ft.: Dense 2 3 5 8 19 25 96 122 5.4 11.7 5 10 15 BEDROCK - PAUBA FORMATION Sandstone: Light brown; fine to coarse grained; damp; dense 26 25 115 8.0 Total Depth - 16.5 feet No Groundwater PLATE B-57 I 11 [7 I 1 11 ._1 BORING L 0 HOLLOW STEM P/01eCf; Redhawk, Rancho California Zocat1617., Tract No. 23065 2500/19 No. - 46 E/eV6711017 Drill Dot& 3/14/89 job Ab.: 298-$7 Lag9ed By: CB & TD D%IVln9 �2�Cfh f 140 lbs. PLATE B--58 Oesc�ip io/� o;" NIo e�io/s %,11 Qk7 C 3 a 1 m Q a ALLUVIUM Sand: Light gray and brown; fine to medium grained; intermediate layers of fine silty sand; moist; loose @6.0 ft.: Silty Sand: Dark brown; sand fine grained; very moist; medium dense SW & SM SM 5 5 7 2 2 3 108 108 119 116 4.2 13.8 9.0 8.3 5 10 BEDROCK - PAUBA FORMATION Clayey Sandstone: Reddish -brown; fine to coarse grained; moist; very dense @15.0 ft.: Silty Sandstone with Gravel: Reddish -brown; fin to coarse grained; slightly clayey; moist; very dense. 15 23 29 16 31 15 Total Depth - 16.5 feet No Groundwater PLATE B--58 !1 i, '1 I' 1 1 I, I 1 i BORING LOG HOLLOW STEM ProleCf: Redhawk Rancho California LoCof%O/1: Tract No. 23065 30/-/179 No. 47 E/eupfionr Drill Dole. 3i14is9 ./obAb. -, 298-87 Lo99ed By: CB & To D/-iv/17g Wei9bf: I40 Ihs. PLATE B-59 Oe,5Cr1p7'1017 Of MO;-'el-IC/5 h ALLUVIUM Sand: Light brown; fine to coarse grained; silty; damp; medium dense. @10.0 ft.: Moist and dense SW/ SM 5 7 10 3 4 6 4 9 15 5 4 10 7 12 16 103 No Re 116 103 111 2.2 overy 7.3 3.3 3.0 5 10 15 20 Total Depth - 21.5 feet No Groundwater - PLATE B-59 I �I 1 1 1 11 1 I I —' BORING LOG xoLU STFw ProleCt : Redhawk, Rancho California LoCctI617., Tract No. 23065 3&117q No. 48 PeVo11017Drill Dak: 3/14189 Job Ab.: 298-87 Logyed By: Cs 6 TDOrivi�q llei9ht: 140, lbs, PLATE B-60 Descl-io iorq Of Ma eria/s Q a e o a o you Q I ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose @5.0 ft.: Sand: Light brown; fine to medium grained; intermediate layers of fine Silty Sand; damp; medium dense. @11.0 ft.: Silty Sand: Light brown; sand fine grained; damp; medium dense Total Depth - 16.5 feet No Groundwater SM 2 2 4 3 5 6 5 5 6 5 6 95 104 101 102 14.6 2.1 4.6 8.2 5 10 15 PLATE B-60 BORING LOG HOLLOW STEM P/oleCf; Redhawk, Rancho California Zocat%O/l: Tract No. 23064 6 23065 301-%/lq No. 49 E/evorion Dill Dote 3jj&189 Job Ab.; 298-87 ZOKed By: cs s TD Driv/nq Wei: 14o ih,. PLATE B-61 r� oi -(Z) QDesCI'i �N� ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose @5.0 ft.: Silty Sand: Brown; sand fine to coarse grained; moist; medium dense. SC SM 109 113 113 113 7.4 3.6 6.3 7.2 5 10 15 BEDROCK - PAUBA FORMATION Sandstone: Light brown; fine to coarse grained; damp; dense. Total Depth - 16.5 feet No Groundwater PLATE B-61 I i' I 1 U1 I [1 -1 BORING LOG HOLLOW STEM P/"OleCf: Redhawk, Rancho California LOCCf/6/1:,Tract No. 23065 Boring No. 50 E/evo1IC17 Drill Dofe: viii/R9 Job Ab. 298-87 c8 & TD Onving PIN171,an 1hc PLATE B-62 De,5CI-1101io0 Of Raie/%a/s ALLUVIUM Sand: Light brown; fine to medium grained; intermediate layers of brown; fine silty sand; damp; loose. @10.0 ft.: Sand; Light brown; fine to coarse grained; damp; medium dense @14.0 ft.: Silty Sand: Brown; sand fien grained; moist; medium dense. SW S SM 4 5 7 3 4 4 5 6 6 4 5 8 113 104 110 101 3.9 9.5 1.4 10.0 S 10 15 Total Depth - 16.5 feet No Groundwater q Oe PLATE B-62 I 1 j `-1 1 -1 BORING LOG HOLLOW STEM P/'oieCl: Redhawk, Rancho California LOCOton= Tract- No. 23066 301-ir7q No.: 51 Eieu011017: Drill Daft: 3/1i/89 Job Ab.; 298-87 [Ogged By : CB S TD OliV/r)9 Weigh> 140 l hs. v Desc�iPrio� of ROjer%O/s Q v 30 a� 4� �� 0 ,U 0a V ALLUVIUM Silty Sand: Brown; sand fine to medium grained; moist; loose @6.O ft.: Very moist; medium dense @9.0 ft.: Some gravel; trace of clay @12.0 ft.: Clayey Sand: Brown; sand fine to medium grained; very moist; medium dense SM SC 2 2 2 3 3 5 9 9 5 6 111 SPT 118 SPT 121 SPT 12.7 13.2 8.9 5 . 10 15 BEDROCK - PAUBA FORMATION Silty Sandstone: Light brown; fine to coarse grained; trace of clay; same gravel; moist; dense. 15 23 32 13 24 25 Total Depth - 19.5 feet No Groundwater CODE: SPT - Standard Penetraction Test PLATE B-63 I [J 11 1 1-' 1 11 _1 f30)?/NG LOG unrTnw STEM P/O�ECt Redhawk, Rancho California LOCOT1617. Tract No. 23066 & 23067 SOl-117q No. 52 E/eupfion-' Drill Daft 1i15i89 J0[7 /\j7.: 298-87ZOgged 8 CB & TD Di-iv117q )Veight: 140 lbs. PLATE B-64 Rz O ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose @3.0 ft.: Damp; medium dense and porous @9.0 ft.: Clayey Sand: Dark brown; sand fine to medium grained; moist; dense. @12.0 ft.: Decreased clay @15.5 ft.: Thin layer of gravel @16.0 ft.: Silty Sand: light brown; sand fine to coarse grained; some gravel; moist; medium dense. �/ Cont'd on Plate B-65 SM Sc SM 5 8 10 7 8 8 8 g 3 3 4 5 14 7 3 4 3 105 SPT 120 SPT 113 SPT 3.9 11.5 10.0 5 10 15 -20--// PLATE B-64 I I 1 I I 1 1 I I I I 0 I I BORING LOG HOLLOW STEM Protect: Redhawk, Rancho California LOCat1b17 Tract No. 23n66 F 97nF7 Boring No. 52 Contra E/euofion: Drill Dofe: 3/15/89 Job A' z98-87 [o99ed By- CB s TD Driving {Yei9ht: 140 lbs. PLATE B-65 v � Oescr/arior7 of Mo `ey-io/s @21.0 ft.: Increased sand; trace of clay; moist; dense @24.0 ft.: Clayey Sand: Reddish -brown; sand very fine to fine grained; moist; dense @27.0 ft.: Clayey Silt with Sand: Reddish -brown; sand very SM SC ML 5 9 14 7 10 15 1220 34 109 SPT 103 7.8 22.8 25 Total Depth - 28.5 feet No Groundwater CODE: SPT = Standard Penetration Test PLATE B-65 I I I I I I I I I I _1 BORING LOG HOLLOW STEM P/OieCf; Redhawk Rancho California ZoCahbl7., Tract No. 23067 301-ir7q No. 53 Eleva11017 Drill Dafe:y 578q ./obi298-87 La99ed By CB & TD Driv/nq We101' 1 A o lhc. Desc�ip7ion o;" Mare�io/s v o 3 a ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose; lenses of fine to coarse sand. @3.0 ft.: Sand: Light brown; fine to coarse grained; slightly silty; moist; loose to medium dense @6.0 ft.: Silty Sand: Light brown; sand fine to medium grained; fairly clean - low silt content; damp; medium dense. @9.0 ft.: Clayey Sand: Brown; sand fine to coarse grained; moist; medium dense. @12.0 ft.: SIlty Sand: Light reddish -brown; sand fine to medium grained; moist; medium dense. @15.0 ft.: As above; increased moisture @18.0 ft.: As above: Linses of fine to medium sand. SM & SW SW- SM SM SC SM SM & SW 3 2 2 4 4 5 6 7 3 4 5 6 7 3 4 6 105 SPT 113 SPT 104 SPT 7.3 10.3 11.4 5- 10 15 20 Cont'd on Plate B-67 I I I I I I 1 11 I -1 BORING [OG HOLLOW STEM P/'olecl: Redhawk, Rancho California LOCOf1617: Tract No. 23067 Borinq No.: 53 cont'd c/evO//O/7: DVIU DOf2 1(15/89 Job 1 %b. 298-87 [o99ed By - CB & TD 9nvir7q Weight: 14 n ,hc. PLATE B-67 Oe.sc-iP `ion o;- /110; e,-io/s Q 3 a a o Q @20.0 ft.: Sand: Light brown; fine to medium grained; clean; moist; medium dense. @24.0 ft.: As above: Slightly coarser grained @27.0 ft.: Sand with some Gravel: Light brown and very light reddish -brown; fine to coarse grained; moist; dense. @30.0 ft.: Clayey Sand: Reddish -brown; sand very fine grained; moist; dense SW SW SC 7 11 13 6 6 7 12 17 30 9 14 103 SPT 114 SPT 6.2 15.6 25 30 Total Depth - 31.5 feet No Groundwater CODE: SPT = Standard Penetration Test PLATE B-67 I 11 I [l I I I [1 I I 11 1 BORING [0G HOLLOW STEM Prolecl; Redhawk, Rancho California ZoCc7t1617., Tract No. 23067 Boring No. = 54 aleuotion: Ori 1/ Dale 3/15/89 Jobb: 298-87 [ogged By: CB 6 TD D%ivmq )Ve%CJf7f: 140 lbs. Q Iz p� Descriprion Of Ma eria/s �,U foo ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose @4.0 ft.: Reddish -brown; loose @9.0 ft.: Clayey Sand with Gravel; Reddish -brown; sand to coarse grained; very moist; dense. @11.0 ft.: Silty Sand: Light brown sand fine to medium grained; some clay; fairly clean; moist; medium dense. SM SC SM 2 2 2 2 3 13 27 13 8 10 13 99 spr 114 SPT 121 8.9 14.0 7.8 5 10 -fine 15 BEDROCK - PAUBA FORMATION Sandstone: Light brown and light reddish -brown; fine to coarse grained; trace of clay; very 15 25 — _ Total Depth - 16.5 feet No Groundwater CODE: SPT = Standard Penetration Test PLATE B-68 1S6 [1 1 1 1 1 I 1 1 1 1 I 1 1 -1 BORING LOG HOLLOW STEM PrDleCt: Redhawk, Rancho California LOCOhOn: Tract No. 23067 Borinq No. ssE/euorion- Drill Dote: 3/15/89 Job Ab-- z9s-s7Logged .9 CB & TO Driving Wel9ht 140 lbs. � a 0e,5Cr1P` /ion 0/-r ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose @3.0 ft.: Fairly clean; medium dense and porous @9.0 ft.: Some clayey fines; very moist. @12.0 ft.: Light reddish -brown; slightly finer grained SM SM/ SC 3 2 3 2 2 3 7 8 2 2 3 105 SP 115 SPT 120 4.5 11.7 11.3 5 10 15 BEDROCK - PAUBA FORMATION Sil1t Sandsto e: L1,i ht red ish-brown• fi e to meth graine�; sli�hEly c�ayey; moist; �ense 15 27 49 Total Depth - 16.5 feet No Groundwater CODE: SPT = Standard Penetration Test PLATE B-69 I I 11 .I 1 1 I I 11 BORING LOG 111111 *STEM PlO�ECt Redhawk, Rancho California LOCaf1017: Tract No. 23067 801%/7q NO. 56 E/euafion Dill Dak. 3/15/89 ./0,7 Ab.: 298-87 Lo99ed .9y: GB s TD D/-iv/nq Wei9ht: 140 lbs. Q 4 025CrI0/1017 Of Ma `elio/s Q V 3 C l) a m o L� a o Si, F O ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose @3.0 ft.: Reddish -brown; some clay fines; damp; very porous @9.0 ft.: Increased moisture; less porosity; medium dense @12.0 ft.: Slightly coarser grained @15.0 ft.: Sand: light reddish -brown; fine to coarse grained; some gravel; moist; dense. @18.0 ft.: Silty Sand with clay: Light reddish -brown; sand fine to medium grained; some gravel; moist; den SM SM/ SC SW SM/ e S 5 8 9 6 8 7 3 5 5 2 3 3 8 18 23 12 9 — 103 SPT 110 SPT 120 SPT 3.7 9.4 4.8 5 10 15 20 Total Depth - 19.5 feet No Groundwater CODE: SPT = Standard Penetration Test r` V -v � ' I - —! " _ , - ' PLATE B-70 I 'BORING LOG HOLLOW STEM Proecf Redhawk, Rancho California ZCCC t/or7r Tract No. 21067 � Borlr7q No.: 57 E/ev67//cr7: Drill Dak 1/1s/R9 Jo.51.b 298-87 zOL Ked By: CR F, TD Driving Wei9171`: 140 lbs. ' 025Cr%D//0/7 of TWO 3 m ' ' 1 ALLUVIUM Silty Sand: Brown; sand fine to medium grained; moist; loose @3.0 ft.: Medium dense and porous @6.0 ft.: Decreased porosity; medium dense SM 4 44 5 8 9 SPT 107 SP.T 105 7.5 4.3 5 BEDROCK - PAUBA FORMATION Sandstone: Light reddish -brown; fine to coarse grained; damp; dense 16 ZO 23 20 23 2 10 Total Depth - 13.5 feet No Groundwater CODE: SPT = Standard Penetration Test 15 PLATE B-71 I x I -1 I _I _-, BORING LOG HOLLOW STEM PrO�eCf Redhawk, Rancho California [OCCfIbI7: Tract No. 23067 L30/inq No.: 58 E/euaf1017 Dill Daf& 3/15189 Job b. = 298=87 [p99ed By CB & TD D/iV/!Iq Wel917/: 14o lbs. 4 � Desc,11prior/ or^ M, o el -167/5 o J � a m o 1.4 O 0 0 V ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose. @6.0 ft.: Light borwn; medium dense @10.0 ft.: As above @12.5 ft.: As above @15.0 ft.: As above @18.0 ft.: Silty Sand: Dark brown; fine to coarse grained; moist; medium dense Cont'd on Plate B-73 SM 2 2 3 3 3 4 4 4 2 3 2 5 5 6 5 T 9 106 SPT 110 SPT 110 SPT 6.1 7.5 7.6 5 10 15. 20 PLATE B-72 I I i 11 r I BORING LOG HOLLOW STEM PrOleCl; Redhawk, Rancho California ZocctoI7 Tract No. 23067 Boring No.: 58 Cont'd E1eu011017Dail! Dafe: 3/15/89 Job Ab.: 298-87 Cogged ey: CB & TD D/iv/nq Weijbt: 140 lhs. v Descrio 1017 0; N'a erio/s Q 3 0 0 0 Q @21.0 ft.: Dense SM 10 27 54 120 SPT 12.1 BEDROCK - PAUBA FORMATION Silty Sanstone: Light brown; fine to medium grained; damp; dense 15 30 50 25 Total Depth - 25.5 feet No Groundwater CODE: SPT = Standard Penetration Test PLATE B-73 [l 1 I .i �J i '1 -1 HOLLOW STEM Tract No. 23067 _ Drill Dak: 3/15/89 — 9nv117q )Vej9ht: 140 lbs. PLATE B-74 a e Qi o Q v 3�m h �a ALLUVIUM Silty Sand: Dark brown; sand fien to medium SM grained; moist; loose 2 @4.0 ft.: Brown; moist; loose 2 2 106 6.6 5 2 @9.0 ft.: 2 3 5, SPT 10 Medium dense and porous 7 113 8.9 6 3 2 SPT @15.0 ft.: 2 5 15 Trace of clay fines; medium dense and porous SM/ SC 4 4 2 110 10.0 3 3 SPT -2 0 i Cont'd on Plate B-75 PLATE B-74 Cl 1 1 I I -1 -1 BORING LOG HOLLOW STEM P/O/2Cf ; Redhawk, Rancho California ZoCOtioI7 Tract No. 23067 801-1179 No.: 59 Cont'd E/evpllcl7 Dpi// Da to' -3,L 5189 Job At).; 298-87 jogged 8y: Cs & TD Driv/l7g RWei0t:i4n 1hG. PLATE 5-75 Oe,5CI-1 ri017 of Mo e�ia/s V � @24.o ft.: Sand: Light reddish -brown; fine to medium grained; moist; medium dense. @27.0 ft.: Sand with Silt: Light reddish -brown; fine to medium grained; moist; medium dense. @30.0 ft.: Silty sand with some clay: Reddish -brown; sand fine to medium grained; moist; medium dense. @33.0 ft.: Sand: Light reddish -brown; fine to coarse grained; moist; medium dense. @36.0 ft.: Sand with Some Silt: Light reddish -brown; fine to medium grained; moist; medium dense. SW SW/ SM SM/ SW SW/ SM 3 4 4 3 4 4 6 6 7 3 A 4 3 5 8 4 6 6 9 10 — 108 SPT 104 SPT 111 SPT 102 10.1 8.3 8.2 12.3 25 30 35 40 Total Depth - 40.5 feet No Groundwater CODE: SPT = Standard Penetration Test PLATE 5-75 I I I I I I I I I f1 I I I I I I BORING LOG HOLLOW STEIX Prol2cf: Redhawk, Rancho California Zocat%O17., Tract No. 23067 Bor/nq No.: 60 Elevation: Drill Dole: 3/16/,99 ./Ob Ab.. 298-87 [ogged By: CB & TD Driving Weight: 140 the. p p`V Desc�iPrion or" N'o erio/s C h a e � Q o c I �a ALLUVIUM Sand with sone Silt: Light brown; fine to SP/ medium grained; damp; loose SM 4 5 6 100 1.9 5- @6.0 ft.: 3 As above with inermediate layers of fine silty sand; damp; loose SP & 3 3 SPT @9.0 ft.: SM 8 10 ` Sand: Light gray; fine to coarse grained; clean; damp; medium dense @12.5 ft.: Groundwater Silt with Sand: y; Light gray; g g micaceous; wet; soft. SW ML 10 11 3 4 102 SPT5 3.7 @14.5 ft.: 15 Sand: Light gray; fine to coarse grained; clean; wet; dense. SW 9 13 19 116 15.2 Total Depth - 16.5 feet Groundwater at 12.5 feet CODE: SPT = Standard Penetration Test PLATE B-76 I 1 J I I [] 1 1 I _1 BORING LOG ProleCf : Redhawk, Rancho California Zocof%o/7., Tract NO. 23067 Boring No.: 61 E1eV011C17Drill Dafe: in67s4 Job Ab.: 298-87 (o99ed ay: CB s TD OriV117 ye, 17t: 140 lbs. PLATE B-77 V Descr;0i iorl oil A/0i2r/O�5 Q v1 v 3Qm Q Q Q a Q �a SLOPE WASH Silty Sand with some Clay: Reddish -brown; sand fine to medium grained; moist; loose @3.0 ft.: Medium dense: slightly porous @6.0 ft.: Dense 6 7 6 81 10 14 16 111 SPT 115 4.2 7.3 5 10 Total Depth - 10.5 feet No Groundwater CODE: SPT = Standard Penetration Test PLATE B-77 ti 1 iI ,I 1 I BORING LOG HOLLOW STEM P/01eCf: Redhawk, Rancho California ZoC0T%017: Tract No. 23067 B&ir7q No. 62 E/euof1017' Drill Dafe37167,99 job Ab. -, 298-87 [ogged By- CB & TD D1-iv117q *Il ht: 140 1h G. PLATE B-78 Oesc -io2on or MO;'15 h Q 3 a Q m Q a Q C)" SLOPE SLOPE WASH Silty Sand: Dark brown; sand fine to medium grained; moist; loose @2.5 ft.: Clayey sand: Dark brown; sand fine to medium grained; dry; very porous @S.5 ft.: Clayey Silt: Light gray brown; some fine sand; dry; hard @8.5 ft.: Clayey Sand: Light brown; sand fine to coarse grained; moist; dense SM SC ML SC 6 g 11 12 23 27 14 -f —5 15 94 SPT 118 3.4 6.0 5 10 Total Depth - 10.5 feet No Groundwater COSE: SPT = Standard Penetration Test PLATE B-78 BORING LOG HOLLOW STETS P1oleCl: Redhawk, Rancho California ZCCCI 1017: Tract No. 23067 ,50/inq No. 63 E/eV011C17 DIV // Daft- 3I 16 18g Job Ab.; 298-87 LOgoed By: CB s TD Dfivinq Wel0t ion ,hc PLATE B-79 h 0 v OesC�ipiiOr� of More�ia/s Q h a Q Q" h o Q O k ALLUVIUM Silty sand: Reddish -brown; sand fine grained; moist; loose @3.0 ft.: Clayey Sand: Brown; sand fine to medium 18 grained; dry; very porous; less porosity 26 111 3.8 at 4.0 ft. 29 5 @6.0 ft.: 12 As above: Dry; dense with slight porosity @9.0 ft.: As above; damp; slight porosity 24 23 14 SPT 10 16 _ 113 3.1 @12.0 ft.: 13 3 As above; moist; medium dense with slight 3 SPT porosity @15.0 ft.: 5 7 15 Increased moisture 11 @18.0 ft.: 15 4 112 8.8 Silty Sand with Clay: Reddish -brown; sand fine 5 to medium grained; very moist; dense 7 SPT 0 Total Depth - 19.5 feet No Groundwater CODE: SPT = Standard Penetration Test PLATE B-79 I [l H BORING LOG HOLLOW STEM Redhawk. Rancho California zocaf1011: Tract No. 23067 Project: - Bor%r1C? No.: 64 EleVC11C17: Drill Dote: 3/16/89 Job No., 298-89 C099ed By' cR & TT) Dr/v/17q Weight: 140 lbs. PLATE B -6U U Descrlg 017 of /VICITeI/O�S h Q Q , ALLUVIUM Silty Sand: Dark brown; sand fine to medium SM grained; trace of clay fines; moist to very moist; loose @3.0 ft.: 3 Medium dense and porous 2 3 112 12.2 5 @6.0 ft.: 2 Reddish -brown; very moist and medium dense; decreased porosity @9.0 ft.: 2 3 5 SPT Slightly cleaner; medium dense 6 108 7.1 10 @12.0 ft.: As above 8 4 SPT @15.0 ft.: 5 8 15 As above @16.5 ft.: 7 9 111 7.5 Thin layer of fine to coarse sand. SW @18.0 ft.: Silty Sand: Reddish -brown; sand fine to medium SM4 SPT grained; some fine gravel; moist; medium dense 5 20 Cont'd on Plate B-81 PLATE B -6U �J 11 I 1 [l BORING LOG HOLLOW STEM Prol6'Cf: Redhawk, Rancho California Locat/0/7: Tract No. 23067 B0//r19 No.: 64 Cont'd E/evo11017 Drill Dote i/16/go JobAb.= 298-87 LO99ed By CB & TDD1-ivin9 Weight ,an ,ate PLATE B-81 Oesc�ipiionor" Nlo%e�ia/s h Q o ro O� o Q @24.0 ft.: Moist and dense SM 7 11 13 113 SPT 5.2 BEDROCK - PAUBA FORMATION Silty Sandstone: Light reddish -brown; fine to coarse grained; some gravel; trace of clay; 83 17 25 Total Depth - 25.5 feet No Groundwater CODE: SPT = Standard Penetration Test PLATE B-81 [l ;I 1' '1 I BORING L06 HOLLOW STEM ProleC Redhawk, Rancho California z0coh,017: Tract No. 23067 Bor1179 No.: 65 E/e vofi or7: Drill Dote: 3/16/89 Job Ab : 298-87 2O99ed By CB & TD Driv/nq We19hf.- 140 lbs • PLATE B-82 o r3 Oescr1pr1017 of Mo erio/sAJ Q C z h oQ a � e o Q ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose @6.0 ft.: Light brown; moist; medium dense Cont'd on Plate B-83 SM 2 2 4 3 3 5 3 4 5 3 2 3 4 4 6 4 5 5 105 SPT 108 SPT 112 SPT 4.3 7.7 8.7 5 10 15 2 PLATE B-82 [1 11 1 1] 1 -1 8ORWO LOG HOLLOW STEM Prolec7` Redhawk, Rancho California LOCOf1017 Tract No. 23067 L9o/%/7g IUO.: 65 Cont'd c/evaI10/7: Df-lll DOfd: 3/16/89 Job Ab.: 298-87 [o99ed B/ CR & 7n 0/1v717q We1917f& 140 lbs. .� Desc�ipO` Mo e�io/s i %O/7 Q h a e a o @21.o ft.: Groundwater _ BEDROCK - PAUBA FORMATION Clayey Sandstone: Yellow-brown; fine to medium grained; moist; dense 9 11 13 8 12 14 10 111 SPT 120 11.9 14.6 25 41 Total Depth - 28.5 feet Groundwater 21.0 feet COSE: SPT = Standard Penetration Test PLATE B-83 H 1 _' 1 BORING LOG Redhawk, Rancho California Loco tion CB & TD Hollow Stem Tract No. 23067 _ Drill Dore 3/16/89 91-jV117q XelC17t: 140 lbs. � O � 11) Descriprion of Ao el-io/s h C43 Q JUS Ij ou a Q Q N� o ` F� ALLUVIUM Silty Sand: Brown; sand fine to medium; grained; moist; loose. @3.0 ft.: Loose to medium dense and porous; damp @6.0 ft.: Light brown; moist; decreased porousity @15.0 ft.: Light reddish -brown; fairly claen; moist; medium dense. SM 4 6 8 6 7 8 5 7 6 5 8 10 4 6 5 4 4 6 98 SPT 107 SPT 103 SPT 4.4 8.1 6.5 5 10 15 20 Cont'd on Plate B-85 PUM7 G-84 I 1 1 1 11 11 1 1 BORING LOG HOLLOW STEM P/oieCt: Redhawk, Rancho California [oCofiol7: Tract No. 23067 30ri/19 1yo.: 66 Cont'd EieVotion: Drill Dove: a1161sg iOIJ Imo•' 298-87 [og9ed By: CB & TD D,-iv117g J*1i 17l ; 140 1b, PLATE B-85 Desc�iprion o` IWO i er%O/s h s� N� boa @21.0 ft.: Some fine gravel @27.0 ft.: Sand: Light reddish -brown; fine to medium grained; some fine grained; slightly silty; moist; dense @39.0 ft.: Fine to coarse grained; moist; dense 5 7 8 3 5 5 7 10 12 4 5 7 10 10 10 5 6 5 8 10 10 105 SPT 108 SPT 109 SPT 112 10.6 5.7 7.3 7.8 25 30 -35- 55 40 Total Depth - 40.5 feet No Groundwater CODE: SPT = Standard Penetration Test PLATE B-85 I 1 �1 11 BORING LOG Prolecl; Redhawk, Rancho California zocat/oi B01-117) NO.: 67 c/eVO1/O17 Job AV. ; 298-87 Co99ed By : CB s TD .,,,.,,.., 111„ Tract No. 23067 Drill Dofe: 3/16/89 D%iv/ng WeiC17t: 140 lbs. z 1L B -OV v De.scI-iprion o;' Ma e0io/s Q 3 a a o p� o Q ALLUVIUM Silty Sand: Brown; sand fine to medium grained; moist; loose @3.0 ft.: Medium dense and porous @6.0 ft.: Decreased porosity; medium dense @9.0 ft.: Clayey Sand: Brown; sand fine to coarse grained moist; medium dense. @15.0 ft.: Sand: White to very light reddish -brown; fine to coarse grained; moist; dense. @18.0 ft.: Gravelly Sand: Light reddish -brown; fine to coarse grained; moist; dense. Cont'd on Plate B-87 SC SW 4 6 8 6 j 9 6 6 . 3 3 3 8 10 14 20 22 101 SPT 110 SPT No Re SPT 4.3 9.4 overy 5 10 15 20 z 1L B -OV 1 1 1 Ii 1 -1 -1 BORING LOG HOLLOW STEM p,,o eCf ; Redhawk, Rancho California (OCatIC17. Tract No. 23067 B0/1/1q NO. 67 Cont'dr/e�0%/017 DSIII DO f2 3/16/89 Job Ab : 298087 Lo99ed by: CB & TD 9/-j V117,7 6Yei917t: 140 lbs. V Oe5Cr/O711017 Oil IWO12r/015 �� Iz vl0Q m 3(J h Q\ l o Q �a SW 50/ 5" No Recovery 118 16.0 BEDROCK - PAUBA FORMATION Clayey Sandstone: Reddish -brown; very fine to medium grained; moist; dense 11.SPT 20 23 19 30 1.30 25 Total Depth - 28.5 feet No Groundwater CODE:SPT = Standard Penetration Test -30- 0CODE: . l-- - - -L. _:__I I PLATE B-87 I 1 1 I 11 1 1 I I BORING L 0 HOLLOW STEM P/oiect Redhawk, Rancho California Zocaf161'7: Tract No. 23065 BOrinq No.: '.'68 Eieuation: Drill Dafe- 372ois9 Job Ab.: 298-87 Lo99ed By; CB & TD DIvInq Aleijh>`: 140 1h,_ PLATT' B-88 Descriprior7 of Mare,-io/s Q 0� Q e Q\ o c l ALLUVIUM Silty Sand: Dark brown; sand fine grained; damp; loose. @9.0 ft.: Sand: Light brown and gray; fine to coarse grained; damp; medium dense to dense. @15.0 ft.: Slightly coarser grained; light reddish- brown; dense. Cont'd on Plate 89 SM SW 2 2 2 1 2 7 7 4 5 6 10 g 4 7 10 102 SPT 91 SPT 108 SPT 3.7 2.4 3.1 5 10 15 20 PLATT' B-88 I 1 1 I 11 BORING LOG HOLLOW STEIM P/0�2Cf Redhawk, Rancho California L000f1b17. Tract No. 23065 Bol-inq No.: 68 Cont'd Elevation: D1111 Date 3 20/89 Job hlo° 298-87 Lo99ed By CB s TD PlIvinq lsWeIW 140 ibs. I��LM�:QYJ v De5CIip11017 of IVO epic/s 14 SW BEDROCK - PAUBA FORMATION Sandstone: Light brown; fine to coarse grained; damp; dense 15 26 36 41 49 118 SPT 6.0 Total Depth - 25-5 feet No Groundwater CODE: SPT = Standard Penetration Test I��LM�:QYJ I I 1 '1 I [l BORING LOG HOLLOW STEM PrO/ec/:Redhawk, Rancho California Zocafor7: Tract No. 23065 C3o1-i17q No.: 69 Pe uofi or7 Drill Do fe : 3 i 2Q Z 89 Jobl�kJ.= 298-87 CO99ed 31v CB & TD Orivmq Wei917f: 140 ihg. Descrioiior7 or M, o e�io/s tea, Q 3 m Q a ALLUVIUM Silty Sand: Brown; sand fine grained; fairly clean; damp; loose @3.0 ft.: Loose. @6.0 ft.: Sand: Light reddish -brown; fine to coarse grained; clean; damp;to moist; medium dense. @9.0 ft.: Dense @15.0 ft.: Coarser grained @18.0 ft.: Silty Sand with some Clay: Light brown; sand fine to medium grained; moist; medium dense. SM SW 2 z 3 3 4 6. 2 3 6 7 8 - 8 98 SPT 101 SPT 105 SPT .1 2.9 1.9 5 10 15 20 Cont'd on Plate B-91 ri In n-yu I 1 11 1 1 I 11 BORING LOG HOLLOW STEM )9roieC1; Redhawk, Rancho California LOCofio/l: Tract No. 23065 30/il79 No.: 69 Cont'd CleiC11017 Drill Dale 1/0189 Job Ab.; 298-87 (OC/LJeGl By : CB � TD DI-iv/�g Wel9ht : 140 lbs • PLATE 3-91 Oesc�iprioi7 0%'• 7No� e�io/s � Q 0 h a e Q� � o Q @21.0 ft.: Sand: Light reddish -brown; fine to coarse grained; damp; dense @27.0 ft.: Some gravel @33.0 ft.: Silty Sand: Light brown; sand fine to medium grained; damp; medium dense @ 39.0 ft.: Fine Grained; moist SW SM 10 11 7 10 14 13 18 7 10 4 6 10 6 10 10 94 103 SPT 106 SPT 102 SPT 101 2.4 2.8 12.3 10.8 25 30 -35- 56 40 Total Depth - 40.0 feet No Groundwater CODE: SPT = Standard Penetration Test PLATE 3-91 I 1 1 1 I 11 _1 BORING LOG HOLLOW -STEM Project:Redhawk, Rancho California ZoCat1017: Tract No. 23065 Boring No. 7g Pe uO11017 Drill Date: 3/20/89 ./obAb., 298-87 Logged By: CB s TD D1,i1117q Wel917t: 140 lbs. rL it b -7L DesCI-ip 1-017 of Mo e�io/s Q U m Q o Q ALLUVIUM Sand: Light brown; fine grained; moist; loose. @3.0 ft.: Medium dense @6.0 ft.: Silty Sand with some Clay: Light brown; sand fine to coarse grained; moist; medium dense @9.0 ft.: Fine grained @15.0 ft.: As above; decreased clay SP/ SM 3 5 2 2 3 3 4 3 2 4 6 6 3 4 4 96 SPT 101 SF'r 113 sir 12.4 12.4 7.4 5 10 15 20 Cont'd on Plate B-93 rL it b -7L BORING LOG HOLLOW STEM P/O/eC/:Redhawk, Rancho California Zocof%oI7 Tract No. 23065 Borinq No.: 70 Cont'd E/eV011017- DI -ill Daie:_ 3/20/89 job AV. : 298-87 /og9eCl ay: CB & TD 9 iV117q Weight: 140 1b,. PLATE B-93 v Oe,50 0/;9/ Of h ` � @24.0 ft.: Sand: Light brown; fine to coarse grained; moist; dense @27.0 ft.: As above with intermediate layers of fine clayey sand; moist; dense @30.0 ftv: Silty Sand: Brown, sand fine grained; moist; medium dense SM/ SC SW SW & SC 5 5 7 10 14 10 10 3 3 103 SPT 108 SPT 7.8 2.6 25 30 Total Depth - 31.5 feet No Groundwater CODE SPT = Standard Penetration Test PLATE B-93 I 1 :1 1 1 I BORING LOG HOLLOW STEM P/o/ecf' Redhawk, Rancho California Zocaf o(I: Tract No. 23067 B0(%/7q No.: 71 Elevafion: Dill Dafe- 3120189 job NO., 298-87 Co99ed By: CB & TD Dnvinq Weight 140 lbs. , tFOW `rJ (�J/ W,Y W / YLATE B-94 Dofrn ('ontorhnirnl Inr 4 Desc�ip711-017 Of PC' h ALLUVIUM Silty Sand: Dark brown; sand fine to medium grained; moist; loose @3.0 ft.: Medium dense and porous @6.0 ft.: Medium dense; decreased porosity @9.0 ft.: Light reddish -brown; moist; medium dense As above As above As above Cont'd on Plate B-95 SM 2 3 4 6 7 5 5 4 4 4 4 4 3 3 3 104 SPT 107 SPT 106 SPT 6.3 6.0 6.7 5 10 15 20 , tFOW `rJ (�J/ W,Y W / YLATE B-94 Dofrn ('ontorhnirnl Inr I 1 U 1 1 _1 BORING LOG HOLLOW STEM ProieCf: Redhawk, Rancho California LoCofiorl: Tract No. 23067 B01-%r7q No.: 71 Cont'd Cleuafion: Drill Da%e: 3/20/89 Joblb.; 298-87 Logged By CB & TD O1-iv117q Weight: 140 lbs. Q Oesc�iorior� of N.'o; e�io/s JU 0 , Q o\ 0 Q I Fp V @21.0 ft.: Silty Sand: Light reddish -brown; sand fine to medium grained; fairly clean; moist; dense SM 5 6 3 4 6 105 SPT 128 SPT 105 9.5 6.4 4.3 25 BEDROCK - PAUBA FORMATION Gravelly Sandstone: Light brown; sand fine to coarse grained; some clay; moist; dense @30.0 ft.: Sandstone: Light brown; fine to coarse grained; damp; dense 32 50 - 26 43 50 42 50 30 35 Total Depth - 34.0 feet No Groundwater CODE: SPT = Standard Penetration Test PLATE B-95 I 1 1 1 1 I 1 11 BORING LOG HOLLOW STEM P/olecl: Redhawk, Rancho California LOCOf%0/7: Tract No. 23067 3or117q No.: 72 Peuofion DI -ill Dare 3/20/89 Job Ab.; 298-87 [o99ed By: CB 6 TD Dl/V//ICS W2%�11t 140 lbs• PLATE B-96 o Desc-iorior7 Of 1V'O;e1-10/5 ALLUVIUM Silty Sand: Dark brown; sand fine to medium gained; moist; loose @6.0 ft.: Silty Sand with some clay; light reddish -brown; sand fine to medium grained; moist; medium dense. @15.0 ft.: As above; very moist SM SM/ SC 2 1 8 8 6 6 g 3 2 3 4 5 4 4 4 102 SPT 112 SPT 104 SPT 7.1 9.1 9.2 5 LO 15 20 Cont'd on Plate B-97 PLATE B-96 I [7 11 I BORING LOG HOLLOW STEM PrOlecf: Redhawk, Rancho California LOCCfIcI7. Tract No. 23067 B01 -177q No.: 72 Cont'd Eleuallor7: Drill Dofd: 3720189 Job Ab.; 298-87 Lagged By: CB & TD D1`ivmq Weljhf: 140 1bc. PLATE B-97 DeSCr%Oi %OV7 of M, a re,-io/s v Q U4 Q a h a Q I @21.0 ft.: Silty Sand: Light reddish -brown; sand fine to coarse grained; trace of clay; moist; dense. @24.0 ft.: Claying Sand: Light reddish -brown; sand fine to medium grained; very moist; dense 6 7 4 7 12 108 SPT 114 SPT 5.1 9.5 25 BEDROCK - PAUBA FORMATION Silty Sandstone: Light brown; fine to coarse grained; moist; dense 20 46 19 32 55 30 Total Depth - 31.5 feet No Groundwater CODE: SPT = Standard Penetration Test PLATE B-97 [l 11 I 11 BORING LOG HOLLOW STEM ProIeCt: Redhawk, Rancho California /OCOr10/7: Tract No. 23067 Boring No. 73 E/evOfjon-' Drill Daie:_ 1/21/89 Job No.: 298-87 Lo99ed By: CB s TD 91-ivll7q Yeight-laO ,hc PLATE B-98 o Oe,5Cr%O71'017 or lWaier%O/sQ AJ h v aim o Q a 0 o 0 I Q, ALLUVIUM ALLUVIUM Silty Sand: Brown; sand fine to medium grained; moist; loose. @3.0 ft.: Silty Sand: Reddish -brown; sand fine to coarse grained; damp; medium dense @9.0 ft.: As above @15.0 ft.: As above Cont'd on Plate B-99 SM SM 4 6 5 7 9 5 6 4 4 4 6 6 3 5 5 109 SPT SPT 107 SPT 11.4 6.0 5 10 15 20 PLATE B-98 I I 1 .1 1 I 1 1 1 [1 --1 -1 .1 1 1 I 1 I _1 BORING LOG HOLLOW STEM Prol,gCl: Redhawk, Rancho California LOCCf1617r Tract No. 23067 BOrjnq No.: 73 Cont'd c/eV011C17_' Drill Dofe:v?,/Aa -lob Ab.: 298-87 [o99eCl 3y CR s TD Oriv117q Weight: i io j bs Q v l7 Descriprior� of 7'/la e�ia/s Q C �u o Q � a Qv 0 ° 0 I �a �V @21.0 ft.: Silty Sand: Light reddish -brown; sand fine to medium grained; moist; dense @27.0 ft.: As above Sly i0 5 4 4 7 9 107 SPT 103 4.2 2.6 25 Total Depth - 28.0 feet No Groundwater CODE: SPT = Standard Penetration Test I PLATE B-99 I60 I 1 I 1 I 1 1 1 11 801/VG LOG HOLLOW STEM PrO/eC1: Redhawk Rancho California LOCOf%o/7., Tract No. 23067 B01 -11-7q No.: 74 EleuC11017 Drill Dafe:_3/i/Aq Job Av. : 298-87 Zo99ed By: a & TD Dl-ivir7q Weight ,an n, V Oe5CT/DT/01-7 Of /NOi er1015 h RESIDUAL SOIL Clayey Sand: Reddish -brown; sand fine to mediun SC 87.9 17.6 BEDROCK - PAUBA FORMATION Sandstone: Light brown; fine to coarse grained; dry to damp; dense @10.0 ft.: Sandy Silt: Light reddish -brown; damp; dense Cont'd on Plate B-101 11 17 5- -10 15 20 I 1 H E 1 11 BORING LOG HOLLOW STE.K P/"Olecf; Redhawk, Rancho California LOCOf1017,, Tract No. 23067 L90/ilg NO.: 74 Cont'd E/euo11o17: Dill DOfe: 3/21/89 ./Ob Ab.. 298-87 1099ed 8y: CB & TD D%ivmg Wel9ht: 140 lbs. PLATE B-101 o 9es0-1p7'io17 Or A!0 � aU U B oa @20.0 ft.: Sandstone: White to very light reddish- brown; fine to coarse grained; damp; dense @30.0 ft.: Gravelly Sandstone: Light reddish -brown; fine to coarse grained; damp; very dense @30.0ft.: .Sandtone: Light reddish -brown; fine to coarse grained; damp; very dense 13 29 50 35 2 No R 126 103 cove 7.4 11.9 -25- -30- -35- 5@30.0 40 Total Depth - 41.0 feet No Groundwater PLATE B-101 I 1 1 '-1 1 1 1 -1 BORING [0G HOLLOW STEM Prolecl: Redhawk, Rancho California ZoCO7IoI7. Tract No. 23067 801-1179 No. 75 E/euo11017. Drill Dafe 3L21189 Job AV.; 298-87 [6799ed By: CB & TD 01-j Vll7q WelCbt : 740 1bc. OLJ �/ T✓/ �/ + PLATE B-102 De,5C1-1o7'1'01'7 01= Nva:e1-io/s Q h a RESIDUAL SOIL Silty Sand: Reddish -brown; sand fine to medium grained; dry; loose BEDROCK - PAUBA FORMATION Sandstone: Light reddish -brown; fine to coarse grained; damp;dense @10.0 ft.: As above Cont'd on Plate B-103 wno at oft 16114 19 1.0 5 10 15 20 OLJ �/ T✓/ �/ + PLATE B-102 I 1 1 1 1 Cl �1 1 _1 BORING LOG HOLLOW STEM PYolecl; Redhawk, Rancho California LOCOfIcI7 Tract No. 23067 Borinq No.: 75 Cont'd E/euafion: Drill Dafe it 21 1,89 298-87 Logged Oy:_ CB & TD Orlvl7q Mei9 t 14n ih—�_ 4 De5crioi1017 of MO;-'el-IC/5 Q h a Q a o @21.0 ft.: As above @30.0 ft.: As above. 16 19 11 16 115 101 1.1 13.3 -25- -30- Total Depth - 31.0 feet No Groundwater PLATE B-103 I 1 1 1 11 1 11 BORING LOG HOLLOW STEM Pro/ecf Redhawk, Rancho California LoCofiol?., Tract No. 23066 Boring No, 76 E/euarion DI -111 Do/e: Job Ab. 298-87 Lo99ed By: CB & TD Orivinq Weight 140 ,,,s PLATE B-104 TERRACE DEPOSITS Clayer Sand: Reddish -brown to pink; sand fine grained; some gravel; dry to damp; very dense. SC 5 BEDROCK - PAUBA FORMATION Gravelly Sandstone: Pale brown; fine to coarse grained; dry; dense. @18.0ft.: Sandstone: Light brown; fine to coarse grained; damp; very dense. Cont'd on Plate B-105 18 24 104 1.7 10 _15- 5@18.0 20 PLATE B-104 I 1 0 '1 I _1 BORING LOG HOLLOW STEM P/OjeCt Redhawk, Rancho California zoCOfic , Tract No. 23066 ,60/jn9 No.: 76 Cont'd Eleu6711017 Dill Dofd: 31 1 /89 job hh. ; 298-87 1099ed ey: CB & TD P/-iv//7c7 Wej9bt: i an ,,,g rLATE B-105 OescI-;o7'1017 Of Mo e,-io/s Q v 3 a u h a o @26. ft.: Silty Sandstone: Light -brown; fine ro coarse grained; damp; very dense 18 20 19 109 111 6.3 6.7 -25— 5@26.0 30 Total Depth - 31.0 feet No Groundwater rLATE B-105 I 1 11 H 1.1 1 1 1 _1 BORING LOG HOLLOW STEM awk, Rancho California LOCC t%o/I: Tract No. 23066 77 E/euo/io17-' Drill Dare 3/21/89 298-$7 [a99ed By CB & TD Drrving Wel917t 140 lbs. O , Oe5c,-i0/1017 or" M, o el-io/s Q o 13,T a o Q RESIDUAL SOIL Silty Sand: Reddish -brown; sand fine to mediumgrained; moist; loose SM 111 102 5.6 14.9 BEDROCK - PUABA FORMATION Silty Sand: Light reddish -brown; fine to coarse grained; damp; dense @10.0 ft.: As above @20.0 ft.: As above 14 18 10 5 10 15 20 Total Depth - 21.0 feet No Groundwater PLATE B-106 I 1 r' [l I 0 I I -1 BORING LOG HOLLOW STEM Prol2Cf: Redhawk, Rancho California ZocatI61,7. Tract. NO. 23064 80/il7q No.: 78 E/eu6711C17 Drill Dole: i/21/89 Job Ab.; 298-87 [oq jed By : CB s TD Ori vinq lyel9171 140 , b, . i V D65CI-1,0 i 917 Of Aai er%a/s Ul 0 W o kj e c o RESIDUAL SOIL Silt gand:.Rgddsh-brown; sand fine to medium grafi e ; moist;loose SK 111 7.7 BEDROCK - PAUBA FORMATION Silty Sandstone: Light reddish -brown; fine to coarse grained; damp; dense @10.0 ft.: Very Dense 1011 ft--- RPfiiqnI 24 29 5 10 Total Depth - 13.0 feet No Groundwater 15 PLATE B-107 I ' J.N. 298-87 tTARi.F. T ' LOG OF TEST PITS ' 10.0 - 14.0 SILTY SAND (SM): Light brown; sand fine to medium grained; about 10% fine grained; damp to moist; medium dense. ' 14.0 - 17.0 + GRAVELLY SILTY SAND (SM): Light brown; sand fine to coarse grained; about 250 coarse gravel and small cobbles; trace of ' clay binder; moist; medium dense. No Caving No Groundwater Encountered 11/23/87 Test Pit Depth t Number (ft.) Description 1 ALLUVIUM 0.0 - 5.0 SAND (SW): Light brown; fine to coarse grained; gravel traces; slightly silty; moist; loose to medium dense. 5.0 - 18.0 + SAND (SW): Light brown; fine to coarse grained; frequent intermediate layers of ' fine to medium Silty Sand (SM) and fine to coarse Clayey Sand (SC); very moist; medium dense. Caving at 0.0 to 5.0 feet No Groundwater Encountered 11/23/87 2 ALLUVIUM ' 0.0 - 2.5 SAND (SW): Brown; fine to coarse grained; gravel traces; slightly silty; moist; loose. 2.5 - 10.0 CLAYEY SAND (SC): Brown; sand fine to ' medium grained; about loo fine gravel; dry to damp at depth; medium dense and porous. ' 10.0 - 14.0 SILTY SAND (SM): Light brown; sand fine to medium grained; about 10% fine grained; damp to moist; medium dense. ' 14.0 - 17.0 + GRAVELLY SILTY SAND (SM): Light brown; sand fine to coarse grained; about 250 coarse gravel and small cobbles; trace of ' clay binder; moist; medium dense. No Caving No Groundwater Encountered 11/23/87 ' J.N. 298-87 Page 2 ' TABLE I ' LOG OF TEST PITS Test Pit Depth ' Number (ft.) Description 3 ALLUVIUM 0.0 - 17.0 + SAND (SM): Light brown; fine to coarse grained; gravel traces; silty; frequent ' intermediate layers of dark brown, fine to medium Silty Sand (SM) and light brown, fine to coarse Clayey Sand (SC); moist and ' loose in upper 3.0 feet; dry to damp and medium dense, below; moist at 13.0 feet; small cobbles at 15.0 feet. No Caving No Groundwater Encountered 11/23/87 4 ALLUVIUM 0.0 - 18.0 + SAND (SW -SM): Light brown; fine to coarse grained; silty; intermediate layers of dark brown, fine to medium Silty Sand (SM); moist to very moist at depth; loose ' in upper 3.0 feet; medium dense below. No Caving ' ' No Groundwater Encountered 11/23/87 5 ALLUVIUM ' 0.0 - 3.0 SAND (SW -SM): Light brown; fine to coarse grained; intermediate layers of dark ' brown, fine to medium Silty Sand; moist; loose. ' SOIL 3.0 - 7.0 CLAYEY SAND (SC): Brown; sand fine to ' medium grained; 10 to 20o gravel; damp; dense. I J.N. 298-87 Page 3 Test Pit Depth Number (ft.) 5 - Cont'd. 6 ' 7 TABLE I LOG OF TEST PITS Description BEDROCK - PAUBA FORMATION 7.0 - 10.0 + SANDSTONE: Light brown; fine to very coarse grained; slightly silty; friable; 15 to 20a coarse grave; some small cobbles; damp; dense. No Caving No Groundwater Encountered 11/23/87 ALLUVIUM 0.0 - 16.0 + SILTY SAND (SM): Brown; sand fine to medium grained; intermediate layers of light brown, fine to coarse sand (SM); moist; loose in upper 2.0 feet; medium dense below. No Caving No Groundwater Encountered 11/23/87 T T T T111TT . 0.0 - 14.5 + SILTY SAND (SM): Brown; sand fine to medium grained; intermediate layers of light brown, fine to coarse Sand (SW); moist; loose in upper 4.0 feet; medium dense below. No Caving No Groundwater Encountered 11/23/87 -2r,F,fQ&elj SOS1 �7 6j 7' I ' J.N. 298-87 Page 4 ' TABLE I ' LOG OF TEST PITS Pit Depth 'Test Number (ft.) Description 8 ALLUVIUM ' 0.0 - 3.0 SILTY SAND (SM): Dark brown; sand fine to medium grained; moist; loose. 3.0 - 15.0 + SILTY SAND (SM): Light brown; sand fine to medium grained; gravel traces; occasional cobble; occasional intermediate ' layers of fine to coarse Sand (SW); damp to 6.0 feet; moist below; medium dense. ' No Caving No Groundwater Encountered 11/23/87 9 ALLUVIUM 0.0 - 4.0 SILTY SAND (SM): Dark brown; sand fine to medium grained; moist; loose to slightly dense. ' COLLUVIUM/OLDER ALLUVIUM 4.0 - 11.0 + SILTY SAND (SM): Light brown; sand fine ' to coarse grained; some fine grave; damp to 9.0 feet; moist below; medium dense to 6.0 feet; dense below. ' No Caving No Groundwater Encountered 11/23/87 ' 10 I I ALLUVIUM 0.0 - 3.0 SILTY SAND (SM): Dark brown; sand fine to medium grained; moist; loose to slightly dense. I J.N. 298-87 ' Page 5 TABLE I ' LOG OF TEST PITS 'Test Pit Depth Number (ft.) Description 10 - Cont'd. COLLUVIUM/OLDER ALLUVIUM ' 3.0 - 8.0 + SILTY SAND (SM): Light brown; sand fine to coarse grained; some gravel; moist; dense. 1 _1 < 1 No Caving No Groundwater Encountered 11/23/87 0.0 - 4.0 SILTY SAND (SM): Dark brown; sand fine to medium grained; moist; loose. 4.0 - 15.0 + SAND (SW): Light brown; fine to medium grained; slightly silty; damp to 6.0 feet; moist below; medium dense. No Caving No Groundwater Encountered 11/23/87 ' 0.0 - 2.5 SILTY SAND (SM): Dark brown; sand fine to medium grained; moist; loose. COLLUVIUM/OLDER ALLUVIUM 2.5 - 5.0 SILTY SAND (SM): Light brown; sand fine to medium grained; slightly clayey; some gravel; occasional small cobbles; moist; dense. L I 1 11 'Test Pit Depth Number (ft.) 12 - Cont'd. 5.0 - 10.0 + J.N. 298-87 Page 6 TABLE I LOG OF TEST PITS Description SILTY SAND (SM): Light brown; sand fine grained; occasional thin bands of Sandy to Clayey Silt; moist; dense. No Caving No Groundwater Encountered 11/24/87 13 ALLUVIUM ' 0.0 - 1.5 SILTY SAND (SM): Dark brown; sand fine to medium grained; moist; loose. COLLUVIUM/OLDER ALLUVIUM 1.5 - 7.0 CLAYEY SAND (SC): Brown; sand fine to medium grained; trace of fine gravel; damp; dense. BEDROCK - PAUBA FORMATION 7.0 - 9.0 + SANDSTONE: Light brown; fine to medium grained; slightly damp; dense. No Caving No Groundwater Encountered 11/24/87 14 ALLUVIUM ' 0.0 - 3.0 SILTY SAND (SM): Dark brown; sand fine to medium grained; moist; loose. 1 ' Test Pit Depth Number (ft.) 14 - Cont'd. 3.0 - 15.0 + ALLUVIUM 0.0 - 3.0 J.N. 298-87 Page 7 TABLE I LOG OF TEST PITS Description SILTY SAND (SM): Light brown; sand fine to medium grained; slightly clayey; moist to very moist at depth; medium dense. No Caving No Groundwater Encountered 11/24/87 SILTY SAND (SM): Dark brown; sand fine to medium grained; moist; loose. 3.0 - 17.0 + SILTY SAND (SM): Brown; sand fine to medium grained; occasional small cobbles; moist to very moist at depth; medium dense; slightly clayey below 7.0 feet. No Caving No Groundwater Encountered 11/24/87 ALLUVIUM 0.0 - 4.0 SILTY SAND (SM): Dark brown; sand fine to medium grained; moist; loose to slightly dense. 4.0 - 14.0 + SILTY SAND (SM): Brown; sand fine to coarse grained; slightly damp to 6.0 feet; moist below; medium dense; some gravel and small cobbles below 12.0 feet. No Caving No Groundwater Encountered 11/24/87 Test Pit ' Number 17 _t _1 J.N. 298-87 Page 8 TABLE I LOG OF TEST PITS Depth (ft.) Description ALLUVIUM 0.0 - 3.0 SILTY SAND (SM) and CLAYEY SAND (Sc): Layered; brown and dark bray; both fine to medium grained; moist to wet; loose. Slope Wash and Alluvium. 3.0 - 5.0 CLAYEY SAND (SC): Brown; sand fine to medium grained; some gravel; damp; dense. Slope Wash (?) 5.0 - 9.5 SILTY SAND (SM): Brown; sand fine to medium grained; intermediate thin layers of fine to coarse Sand (SW) and occasional fine Clayey Sand (SC); damp; medium dense. Alluvium. 9.5 - 14.0 SAND (SP -SM): Light gray; fine grained; silty; damp to moist; medium dense; occasional intermediate thin layers of brown Sandy Silt - Silty Sand. Alluvium. BEDROCK - PAUSA FORMATION 14.0 - 15.5 + SANDSTONE: Light brown; fine to coarse grained; damp; dense. Caving at 9.5 to 14.0 feet No Groundwater Encountered 11/24/87 0.0 - 16.0 + SILTY SAND (SM): Dark brown; fine to medium grained; moist to very moist at depth; loose to 4.0 feet; slightly dense to approximately 6.0 feet; medium dense below; brown; at 7.0 feet; some gravel at 13.0 feet. No Caving No Groundwater Encountered 11/24/87 ' J.N. 298-87 Page 9 ' 0.0 - 15.0 + SILTY SAND (SM): Brown; fine to coarse TABLE I grained; some gravel; moist and loose in LOG OF TEST PITS Test Pit Depth below. Number (ft.) Description 19 ALLUVIUM 21 ' 0.0 - 11.0 SILTY SAND (SM): Brown; sand fine to 0.0 - 2.5 medium grained; some gravel; moist; loose medium grained; moist; loose. in upper 3.0 feet; medium dense below. 2.5 - 14.5 + SILTY SAND (SM): Brown; sand fine to OLDER ALLUVIUM ' 11.0 - 15.0 + SILTY SAND (SM): Light brown; fine and medium dense to dense below. grained; slightly micaceous; some oxide No Caving staining; moist; dense. ' No Caving No Groundwater Encountered 11/24/87 20 ALLUVIUM _1 0.0 - 15.0 + SILTY SAND (SM): Brown; fine to coarse grained; some gravel; moist and loose in upper 4.0 feet; damp and medium dense ' below. No Caving No Groundwater Encountered 11/24/87 21 ALLUVIUM ' 0.0 - 2.5 SILTY SAND (SM): Dark brown; sand fine to medium grained; moist; loose. ' 2.5 - 14.5 + SILTY SAND (SM): Brown; sand fine to medium grained; some gravel; slightly clayey; damp and dense to 6.5 feet; moist and medium dense to dense below. No Caving No Groundwater Encountered 11/24/87 _1 ' J.N. 298-87 Page 10 tTABLE I ' LOG OF TEST PITS Test Pit Depth Number (ft.) Description 22 0.0 - 3.5 SILTY SAND: Dark brown; sand fine to ' medium grained; moist and loose. (SM) Alluvium ' 3.5 - 18.5 + SILTY SAND: Brown; sand fine to coarse with scattered subrounded gravel; damp; slightly porous and medium dense to 10.0 ' feet; moist; slightly porous and medium dense below; becomes wet; less porous and medium dense below 14.0 feet. ' No Caving No Groundwater Encountered 12/10/87 !-, 23 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to medium grained; moist and loose. (SM) ' Alluvium L 3.0 - 19.0 + SILTY SAND: Brown; sand fine to coarse j, with scattered subrounded gravel; damp; slightly porous and medium dense to 9.0 feet; moist; slightly porous and medium ' dense below; becomes wet; less porous and medium dense below 15.0 feet. (SW) Alluvium ' No Caving No Groundwater Encountered 12/10/87 ' 24 0.0 - 1.0 SILTY SAND: Dark brown; sand fine to medium grained; moist and loose. (SM) tAlluvium. I _1 1 Test Pit ' Number 24 - Cont'd. 1 1 I 1 1 1 I 1 I J.N. 298-87 Page 11 MAAT.R T LOG OF TEST PITS Depth (ft.) Description 1.0 - 19.0 + SILTY SAND: Brown; sand fine to coarse with scattered subrounded gravel; damp and medium dense to dense to 9.0 feet; moist to medium dense below; becomes wet and less porous below 13.0 feet. Alluvium No Caving No Groundwater Encountered 12/10/87 25 0.0 - 3.5 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.5 - 19.0 + SILTY SAND: Brown; sand fine with scattered subrounded gravel; damp; slightly porous and medium dense to 7.0 feet; moist; slightly porous and medium dense below; becomes wet and less porous below 15.0 feet. (SM) Alluvium No Caving No Groundwater Encountered 12/10/87 26 0.0 - 3.5 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.5 - 18.0 + SILTY SAND: Brown; sand fine with scattered subrounded gravel; damp; slightly porous and medium dense to 6.0 feet; moist; slightly porous and medium dense below; becomes wet; less porous with more cobbles below 10.0 feet; medium dense. (SM) Alluvium No Caving No Groundwater Encountered 12/10/87 I ' J.N. 298-87 Page 12 ' TABLE I LOG OF TEST PITS ' Test Pit Depth Number (ft.) Description 27 0.0 - 3.5 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.5 - 10.0 + SILTY SAND: Brown; sand fine to coarse ' with scattered subrounded gravel and cobbles; dry to damp and very porous to porous and medium dense in place; becomes ' damp to moist and less porous below 8.0 feet. (SM) Alluvium ' 10.0 - 12.0 + BEDROCK: Siltstone; dark brown to brown; highly weathered with random slickensides (creep) to 11.0 feet; very firm with less evidence of creep below. Pauba Formation Moderate Caving at 0 to 3.5 feet ' No Groundwater Encountered 12/10/87 28 0.0 - 2.5 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 2.5 - 16.0 + SILTY SAND: Light brown; sand fine to coarse with scattered subrounded gravel; ' moist; slightly porous and medium dense,- ense;becomes becomeswet; less porous and medium dense ' below 10.0 feet. (SM) Alluvium No Groundwater Encountered 12/10/87 No Caving ' 29 0.0 - 2.5 SILTY SAND: Dark brown; sand fine; moist ' and loose. (SM) Alluvium 2.5 - 5.0 + BEDROCK: Sandy Siltstone; dark brown to brown; highly weathered with random ' slickensides (creep) to 4.0 feet; well indurated below. Pauba Formation No Caving No Groundwater Encountered 12/10/87 .1 ' J.N. 298-87 Page 13 TABLE I LOG OF TEST PITS ' Test Pit Depth Number (ft.) Description 30 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist loose. (SM) Alluvium 3.0 - 18.5 + SILTY SAND: Light brown; sand fine to ' coarse with scattered gravel; dry to damp; porous and medium dense to 10.0 feet; becomes damp to moist; porous and medium dense below; becomes wet; less porous and medium dense below 15.0 feet. (SM) Alluvium ' No Caving No Groundwater Encountered 12/10/87 ' 31 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist; loose. (SM) Alluvium ' 3.0 - 13.0 + SILTY SAND: Light brown; sand fine to coarse with scattered subrounded gravel and cobbles; dry to damp; very porous and medium dense to 11.0 feet; becomes moist to wet; less porous and medium dense ' below. (SM) Alluvium No Caving ' No Groundwater Encountered 12/10/87 32 0.0 - '3.5 SILTY SAND: Dark brown; sand fine; moist; ' loose. (SM) Alluvium 3.5 - 12.5 + SILTY SAND: Light brown; sand fine to coarse with scattered subrounded gravel and cobbles; damp; porous and medium dense to 6.0 feet; moist; slightly porous and ' medium dense below; becomes wet; less porous; medium dense with more gravel and cobbles below 9.5 feet. (SW) Alluvium ' No Caving No Groundwater Encountered 12/10/87 I I 1 11 I lJ I d -1 II Test Pit Depth Number (ft.) TABLE I LOG OF TEST PITS Description J.N. 298-87 Page 14 33 (Topsoil scraped off) 0.0 - 14.5 + SILTY SAND: Light brown; sand fine to coarse with scattered subrounded gravel and cobbles; damp; porous and medium dense to 6.0 feet; moist; slightly porous and medium dense below; becomes wet; less porous; medium dense with more cobbles below 10.0 feet. (SM) Alluvium No Caving No Groundwater Encountered 12/10/87 34 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.0 - 13.0 + SILTY SAND: Light brown; sand fine to coarse with scattered gravel; dry to damp; very porous and medium dense; becomes moist to wet; less porous and medium dense below 11.0 feet. (SM) Alluvium No Caving No Groundwater Encountered 12/10/87 35 0.0 - 2.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 2.0 - 15.0 + SILTY SAND: Light brown; sand fine to coarse with scattered subrounded gravel; damp; slightly porous and medium dense to 8.0 feet; moist; slightly porous and medium dense below; becomes wet; less porous and medium dense below 12.0 feet. (SM) Alluvium No Caving No Groundwater Encountered 12/10/87 ' J.N. 298-87 Page 15 ' TABLE I LOG OF TEST PITS Test Pit Depth ' Number (ft.) Description 36 (Some soil scraped off) ' 0.0 - 2.5 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 2.5 - 13.0 + SILTY SAND: Light brown; sand fine to coarse with scattered gravel; dry to damp; f porous and medium dense to 7.0 feet; moist; less porous; becomes wet below 11.0 feet. (SM) Alluvium No Caving No Groundwater Encountered 12/10/87 37 0.0 - 2.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium ' 2.0 - 16.0 + SILTY SAND: Light brown; sand fine to coarse with scattered gravel; dry to damp; porous and medium dense to 10.0 ' feet; moist; less porous and medium dense below. (SM) Alluvium ' No Caving No Groundwater Encountered 12/10/87 38 (Some soil scraped off) 0.0 - 2.0 2.0 - 11.5 + I I �1 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium BEDROCK: Sandstone to gravelly sandstone; light brown; dry to moist and dense; massive. Pauba Formation. No Caving No Groundwater Encountered 12/10/87 I ' J.N. 298-87 Page 16 1 I No Caving No Groundwater Encountered 12/10/87 TABLE I LOG OF TEST PITS i Test Pit Depth Number (ft.) Description 39 0.0 - 4.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 4.0 - 13.0 + SILTY SAND: Light brown; sand fine to coarse with scattered subrounded gravel; damp; porous and medium dense to 10.0 feet; moist to wet; less porous and medium dense below. (SM) Alluvium No Caving No Groundwater Encountered 12/10/87 40 0.0 - 1.5 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 1.5 - 14.0 + SILTY SAND: Light brown; sand fine to coarse with scattered gravel; dry; porous and medium dense below 6.0 feet; becomes wet; less porous and medium dense at 9.0 feet. (SM) Alluvium I�No Caving No Groundwater Encountered 12/10/87 41 0.0 - 3.5 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.5 - 5.0 SILTY SAND: Light brown; sand fine to coarse with scattered subrounded gravel; damp; porous and medium dense. (SM) ' Alluvium 5.0 - 6.0 + BEDROCK: Sandstone; gravelly; light brown; fine grained; well indurated; damp. Pauba Formation I No Caving No Groundwater Encountered 12/10/87 I tTest Pit ' Number 42 1 43 44 45 J.N. 298-87 Page 17 manro t LOG OF TEST PITS Depth (ft.) Description 0.0 - 6.0 FILL, SILTY SAND: Dark brown; fine grained; moist and loose. (SM) 6.0 - 13.0 + SILTY SAND TO SAND: Light brown; sand fine to coarse; moist and medium dense; becomes wet below 12.0 feet. (SM -SW) Moderate Caving Below No Groundwater Encountered 12/10/87 0.0 - 2.0 FILL, SILTY SAND: Dark brown; fine grained; moist and loose. (SM) 2.0 - 14.0 + SILTY SAND: Dark brown; fine grained; moist and loose to 7.0 feet; wet and medium dense below. (SM) Alluvium No Caving No Groundwater Encountered 12/10/87 0.0 - 14.0 + SILTY SAND: Dark brown; sand fine; moist; slightly porous; medium dense; becomes wet; less porous and medium dense below 12.0 feet. (SM) Alluvium No Caving No Groundwater Encountered 12/10/87 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.0 - 15.0 + SILTY SAND: Brown; sand fine to coarse with scattered gravel; damp to moist; slightly porous and medium dense. (SM) Alluvium No Caving No Groundwater Encountered 12/10/87 J.N. 298-87 Page 18 3.0 - 12.0 + BEDROCK: Silty Sandstone; light brown; sand fine to coarse with scattered subrounded gravel; damp and medium dense to 4.0 feet; dense below. Pauba Formation No Caving No Groundwater Encountered 12/11/87 48 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist TABLE I 3.0 - 5.0 CLAYEY SAND: Brown; sand LOG OF TEST PITS slightly porous and medium dense. (SC) Weathered Bedrock Test Pit Depth 5.0 - 15.0 + BEDROCK: Sandy Siltstone ' Number (ft.) Description 46 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.0 - 15.0 + BEDROCK: Silty Sandstone; light brown; ' sand fine to coarse with scattered gravel; damp; slightly porous and medium dense to 5.0 feet; damp to moist and medium dense to dense below. (SM) Pauba Formation ' No Caving No Groundwater Encountered 12/11/87 47 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist _ and loose. (SM) Alluvium 3.0 - 12.0 + BEDROCK: Silty Sandstone; light brown; sand fine to coarse with scattered subrounded gravel; damp and medium dense to 4.0 feet; dense below. Pauba Formation No Caving No Groundwater Encountered 12/11/87 48 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.0 - 5.0 CLAYEY SAND: Brown; sand fine; damp; slightly porous and medium dense. (SC) Weathered Bedrock 5.0 - 15.0 + BEDROCK: Sandy Siltstone and Sandstone; light brown to white; damp and dense. Pauba Formation ' No Caving No Groundwater Encountered 12/11/87 11 J.N. 298-87 Page 19 G _.1 `T�4;2- 3410 C/ TABLE I {' LOG OF TEST PITS Test Pit Number Depth (ft.) Description 49 0.0 - 2.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 2.0 - 15.0 + SILTY SAND: Brown; sand fine to coarse ' with scattered subrounded gravel; damp; slightly porous and medium dense to 7.0 feet; moist to wet and medium dense to dense below. (SM) Alluvium No Caving _ No Groundwater Encountered 12/11/87 50 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.0 - 14.0 SILTY SAND: Brown; sand fine to coarse with scattered subrounded gravel; damp; slightly porous and medium dense to 5.0 feet; moist and medium dense to dense below. (SM) Alluvium 14.0 - 15.0 + BEDROCK: Sandy Siltstone; brown; sand very fine; moist and dense. Pauba Formation No Caving No Groundwater Encountered 12/11/87 51 0.0 - 2.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 2.0 - 4.5 CLAYEY SAND: Brown; sand fine; damp; slightly porous and medium dense. (SC) Weathered Bedrock G _.1 `T�4;2- 3410 C/ U 1 1 1 Test Pit Depth Number (ft.) 51 - Cont'd. 4.5 - 15.0 + 1 J.N. 298-87 Page 20 TABLE I LOG OF TEST PITS Description BEDROCK: Sandy Siltstone to Silty Sandstone; brown; sand fine; moist to dense. Pauba Formation No Caving No Groundwater Encountered 12/11/87 52 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.0 - 15.0 + SILTY SAND: Brown; sand fine to coarse ' with scattered gravel; damp; porous and medium dense to 8.0 feet; moist and medium dense to dense below. (SM) Alluvium No Caving No Groundwater Encountered 12/11/87 r 53 0.0 - 2.5 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Soil/Colluvium 2.5 - 6.0 CLAYEY SAND: Brown; sand fine to coarse with scattered subrounded gravel; damp; porous and medium dense. (SM) Soil/Weathered Bedrock. 6.0 - 15.0 + BEDROCK: Sandy Siltstone; brown; sand fine; moist and dense. Pauba Formation No Caving No Groundwater Encountered 12/11/87 1 1 ' J.N. 298-87 Page 21 ' TABLE I LOG OF TEST PITS 56 Test Pit Depth ' Number (ft.) Description fine to coarse 54 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist damp; porous and medium dense to 6.0 feet; and loose. (SM) Colluvium moist and medium dense to dense below. 3.0 - 7.0 CLAYEY SAND: Brown; sand fine to coarse ' with scattered subrounded gravel; moist and medium dense to 4.0 feet; dense below. (SC) Soil/Weathered Bedrock 7.0 - 15.0 + BEDROCK: Silty Sandstone;: light brown; sand fine to coarse with scattered gravel; damp and dense. Pauba Formation No Caving No Groundwater Encountered 12/11/87 55 0.0 - 2.5 SILTY SAND: Dark brown; sand fine; moist; loose. (SM) Colluvium 2.5 - 9.0 SILTY SAND: Brown; sand fine to coarse with scattered subrounded gravel; damp; porous and medium dense to 8.0 feet; moist and medium dense to dense below. (SC) Alluvium ' 9.0 - 15.0 + BEDROCK: Sandy Siltstone; brown; sand fine; damp and dense. Pauba Formation No Caving No Groundwater Encountered 12/11/87 56 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.0 - 9.0 SILTY SAND: Brown; sand fine to coarse with scattered subrounded gravel; dry to damp; porous and medium dense to 6.0 feet; moist and medium dense to dense below. (SM) Alluvium J.N. 298-87 Page 22 TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description 56 - Cont'd. t9.0 - 15.0 + BEDROCK: Sandy Siltstone; brown; sand fine; damp and dense. Pauba Formation ' No Caving No Groundwater Encountered 12/11/87 ' 57 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium ' 3.0 - 10.0 SILTY SAND: Brown; sand fine to coarse with scattered gravel; damp; porous and medium dense to 8.0 feet; moist and medium i' dense below. (SM) Alluvium 10.0 - 15.0 + SAND: Light brown; medium to coarse; moist and medium dense. (SW) Alluvium No Caving ' No Groundwater Encountered 12/11/87 58 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.0 - 10.0 SILTY SAND: Brown; sand fine to coarse ' with scattered gravel; damp; porous and medium dense to 8.0 feet; moist and medium dense below. (SM) Alluvium ' 10.0 - 15.0 + SAND: Light brown; medium to coarse; moist and medium dense. (SW) Alluvium No Caving No Groundwater Encountered 12/11/87 -1 0 i J.N. 298-87 Page 23 1 60 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.0 - 15.0 + SILTY SAND: Brown; sand fine to coarse with scattered gravel; damp; porous and medium dense to 8.0 feet; moist and medium dense below. (SM) Alluvium i No Caving No Groundwater Encountered 12/11/87 TABLE I ' 0.0 - 2.0 SILTY SAND: LOG OF TEST PITS Test Pit Depth (SM) Alluvium ' Number (ft.) Description 59 0.0 - 1.0 SILTY SAND: Dark brown; sand fine; moist ' damp; porous and medium dense to 12.0 feet; moist and medium dense below. (SM) and loose. (SM) Soil Alluvium 1.0 - 3.0 CLAYEY SAND: Brown; sand fine to coarse No Caving with scattered subrounded gravel; moist and medium dense. (SC) Soil/Weathered No Groundwater Encountered 12/11/87 Bedrock ' 3.0 - 5.0 + BEDROCK: Gravelly sandstone; light brown; sand fine to coarse with scattered subrounded gravel and cobbles; damp and dense. Pauba Formation No Caving No Groundwater Encountered 12/11/87 60 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.0 - 15.0 + SILTY SAND: Brown; sand fine to coarse with scattered gravel; damp; porous and medium dense to 8.0 feet; moist and medium dense below. (SM) Alluvium i No Caving No Groundwater Encountered 12/11/87 _1 61 0.0 - 2.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium ' 2.0 - 15.0 + SILTY SAND: Light brown; sand fine to coarse with scattered subrounded gravel; damp; porous and medium dense to 12.0 feet; moist and medium dense below. (SM) Alluvium No Caving No Groundwater Encountered 12/11/87 _1 J.N. 298-87 Page 24 ' 0.0 - 3.0 TABLE I moist LOG OF TEST PITS Test Pit Depth SILTY SAND: Light brown; sand fine to ' Number (ft.) Description porous 62 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist ' and loose. (SM) Alluvium 3.0 - 14.0 + SILTY SAND: Light brown; sand fine to ' coarse with scattered gravel; damp; and medium dense to 9.0 feet; moist porous and ' 64 0.0 - 2.0 medium dense below. (SM) Alluvium moist ' 2.0 - 15.5 + No Caving to ' No Groundwater Encountered 12/11/87 porous ' 63 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.0 - 16.0 + SILTY SAND: Light brown; sand fine to coarse with scattered gravel; damp; porous and medium dense to 8.0 feet; moist and medium dense below. (SM) Alluvium No Caving No Groundwater Encountered 12/11/87 ' 64 0.0 - 2.0 SILTY SAND: Dark brown; sand fine; and loose. (SM) Alluvium moist 2.0 - 15.5 + SILTY SAND: Light brown; sand fine to ' coarse with scattered gravel; damp; porous and medium dense to 7.0 feet; moist and medium dense below. (SM) Alluvium ' No Caving No Groundwater Encountered 12/11/87 I -' ' J.N. 298-87 Page 25 ' TABLE I ' Moderate Caving at 0.0 to 4.0 feet No Groundwater Encountered 12/11/87 _1 LOG OF TEST PITS Test Pit Depth ' Number (ft.) Description 65 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 3.0 - 9.0 + SILTY SAND: Brown; sand fine to coarse with scattered subrounded gravel and ' cobbles; damp porous and medium dense to 5.5 feet; moist and dense below. (SM) Alluvium ' No Caving No Groundwater Encountered 12/11/87 66 0.0 - 3.5 SILTY SAND: Dark brown; sand fine; moist ' and loose. (SM) Alluvium 3.5 - 15.0 + SILTY SAND: Light brown; sand fine to coarse with scattered gravel; dry to damp; porous and medium dense to 12.0 feet; moist to wet; less porous and medium dense below. (SM) Alluvium No Caving No Groundwater Encountered 12/11/87 ' 67 0.0 - 2.5 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium ' 2.5 - 17.0 + SILTY SAND: Brown; sand fine to coarse; damp to moist; porous and medium dense to 10.0 feet; moist and medium dense below. ' (SM) Alluvium ' Moderate Caving at 0.0 to 4.0 feet No Groundwater Encountered 12/11/87 _1 ' J.N. 298-87 Page 26 � I TABLE I LOG OF TEST PITS -1 Test Pit Depth ' Number (ft.) Description 68 0.0 - 2.0 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 2.0 - 9.0 SILTY SAND: Brown; sand fine to coarse; ' damp; porous and medium dense. (SM) Alluvium 9.0 - 14.0 + SAND: Light brown; medium to coarse; ' damp_; medium dense. (SW) Alluvium Moderate Caving Below 9.0 feet No Groundwater Encountered 12/11/87 ' 69 0.0 - 2.5 SILTY SAND: Dark brown; sand fine; moist and loose. (SM) Alluvium 2.5 - 10.0 + SILTY SAND: Brown; sand fine to coarse with scattered subrounded gravel; damp; slightly porous and medium dense to 6.0 feet; moist to wet and medium dense below. ' (SW) Alluvium No Caving ' i No Groundwater Encountered 12/11/87 70 0.0 - 3.0 SILTY SAND: Dark brown; sand fine; moist ' and loose. (SM) Alluvium 3.0 - SILTY SAND: Brown; sand fine to coarse with scattered subrounded gravel; damp; ' slightly porous and medium dense to 7.0 feet; moist to wet and medium dense below. ' (SW) Alluvium No Caving No Groundwater Encountered 12/11/87 -1 ' J.N. 298-87 ' Page 27 ' TABLE I LOG OF TEST PITS ;,Test Pit Depth Number (ft.) Description 71 ALLUVIUM 0.0 - 5.0 SAND: Light brown; fine to medium grained; damp; loose to medium dense; roots. (SW) 5.0 - 12.0 SILTY SAND: Light gray -brown; fine grained; roots to 8.0 feet; damp; medium dense and ' porous to 9.0 feet; decreased porosity below. (SM) ' BEDROCK - PAUBA FORMATION 12.0 - 16.0 + SILTY SANDSTONE: Light red -brown; fine to coarse grained; some fine gravel and occasional small cobbles; trace of clay; damp to moist and dense. !'No Caving No Groundwater Encountered 10/4/88 72 ALLUVIUM 0.0 - 2.0 SILTY SAND: Light gray -brown; fine grained; ' dry and loose. (SM) ' 2.0 - 7.5 SILTY SAND: Light brown; fine to medium grained; interbeds of gray coarse sand; dry; medium dense and porous. (SM) ' 7.5 - 14.0 SAND: Light gray; fine to medium grained; slightly silty; dry and medium dense; some roots; lenses of dry, porous Silty Sand. (SW and SM) BEDROCK - PAUBA FORMATION 14.0 - 15.0 + SANDSTONE: Light red -brown; fine to coarse grained; slightly damp and dense. ' Caving @ 7.5 to 14.0 feet No Groundwater Encountered 10/4/88 ' J.N. 298-87 Page 28 TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description 73 0.0 - 15.0 SAND: Light brown; fine to coarse grained; dry to 2.0 feet; moist below; medium dense; becomes wet at about 14.0 feet. (SW) ' BEDROCK - PAUBA FORMATION 15.0 - 16.5 + SILTY SANDSTONE: Light red -brown; fine to coarse grained; micaceous; very moist and ' dense. Caving to 15.0 feet ' Seepage at 14.0 feet 10/4/88 74 ALLUVIUM 0.0 - 8.0 SAND: Light brown; fine to coarse grained; occasional gravel; dry to 2.0 feet; moist below; medium dense. (SW) BEDROCK - PAUBA FORMATION 8.0 - 10.0 + SILTY SANDSTONE: Light red -brown; fine to coarse grained; micaceous; moist; dense. No Caving No Groundwater Encountered 10/4/88 75 ALLUVIUM 0.0 - 2.0 SAND: Light brown; fine to coarse grained; some surface gravel and cobbles; dry and loose. (SW) i1 Test Pit Depth j' Number (ft.) 75 - Cont'd. OF TEST PITS Description J.N. 298-87 Page 29 ' BEDROCK - PAUBA FORMATION ' 2.0 - 5.0 + SILTY SANDSTONE: Light red -brown; fine to coarse grained; some gravel; trace of clay; moist and dense. No Caving No Groundwater Encountered 10/4/88 ' 76 RESIDUAL SOIL j' 0.0 - 3.0 SILTY SAND: Brown; fine grained; dry and loose to medium dense; very porous. (SM) BEDROCK - PAUBA FORMATION i 3.0 - 5.0 + SILTY SANDSTONE: Light red -brown; fine to medium grained; occasional gravel and I, cobbles; dry and dense. No Caving 11 No Groundwater Encountered 10/4/88 77 ALLUVIUM ' 0.0 - 8.0 SILTY SAND: Brown; fine to medium grained; gravel traces; dry to damp; medium dense and ' porous. (SM) 8.0 - 14.0 SAND: Light brown; fine to medium grained; silty; occasional cobbles; damp to moist and medium dense. (SW -SM) [1 I J.N. 298-87 Page 30 1 tTABLE I ' LOG OF TEST PITS i Test Pit Depth ' Number (ft.) Description 77 - Cont'd. ' BEDROCK - PAUBA FORMATION 14.0 - 16.0 + SANDSTONE: Light red -brown; occasional ' gravel; slightly micaceous; moist; dense. No Caving No Groundwater Encountered 10/4/88 78 ALLUVIUM 0.0 - 4.0 SILTY SAND: Brown; fine to medium grained; dry; loose to medium dense and porous. (SM) ' 4.0 - 6.0 SILTY SAND WITH SOME CLAY: Dark brown; fine to medium grained; damp to moist and dense. (SM -SC) BEDROCK - PAUBA FORMATION I l 6.0 - 8.0 + SILTY SANDSTONE: Light red -brown; fine to coarse grained; trace of clay; slightly i.'No micaceous; moist and dense. Caving No Groundwater Encountered 10/4/88 79 ALLUVIUM ' 0.0 - 3.0 CLAYEY SAND: Brown; fine to medium grained; dry; loose in upper 12 inches; dense below. (SC) ' _1 i r- Test Pit Number 79 - Cont'd. [1 IL J _I J.N. 298-87 Page 31 Depth (ft. ) TABLE I LOG OF TEST PITS Description BEDROCK - PAUBA FORMATION 3.0 - 6.0 + GRAVELLY SILTY SANDSTONE: Light brown; fine to coarse grained; some clay; 20 percent gravel and occasional small cobbles; moist and dense. No Caving No Groundwater Encountered 10/4/88 ALLUVIUM 0.0 - 2.5 SAND: Light brown; fine to coarse grained; layers of fine to medium Silty Sand below 1.0 feet; dry; loose to medium dense. (SW and SM) 2.5 - 4.0 CLAYEY SAND: Brown; gravelly; some cobbles; fine to coarse grained; moist and dense. (SC) BEDROCK - PAUBA FORMATION 4.0 - 10.0 + GRAVELLY SILTY SANDSTONE: Light brown; fine to coarse grained; some clay; 20 percent gravel and cobbles with sizes to 12 inches; moist and dense. No Caving No Groundwater Encountered 10/4/88 I J.N. 298-87 Page 32 1 TABLE'I LOG OF TEST PITS :1 Test Pit Depth ' Number (ft.) Description 81 ALLUVIUM ' 0.0 - 9.0 SAND: Light brown; fine to coarse grained; slightly silty; gravel traces; dry and loose ' to 3.0 feet; moist and medium dense below. (SW) BEDROCK - PAUBA FORMATION 9.0 - 12.0 + SANDY SILTSTONE: Reddish -green; sand very fine to fine grained; slightly micaceous; ' moist and dense. No Caving No Groundwater Encountered 10/4/88 82 ALLUVIUM 0.0 - 6.0 SAND: Light brown; fine to coarse grained; scattered cobbles; dry and loose to 3.0 feet; moist and medium dense below; some clay below 4.0 feet. (SW to SC) BEDROCK - PAUBA FORMATION 6.0 - 8.0 + CLAYEY SANDSTONE: Reddish -green; very fine to fine grained; very moist and dense. Caving to 4.0 feet No Groundwater Encountered 10/4/88 ' 83 ALLUVIUM 0.0 - 3.0 SILTY SAND: Brown; fine to medium grained; dry and loose. (SM) I i1 Test Pit Depth Number (ft.) 83 - Cont'd. mrnr r. r LOG OF TEST PITS Description J.N. 298-87 Page 33 ' 85 ALLUVIUM 0.0 - 4.0 SAND: Light brown; fine to coarse grained; dry and loose. (SW) 4.0 - 8.0 SILTY SAND: Brown; fine to medium grained; gravel traces; moist; medium dense and porous. (SM) 3.0 - 12.0 SAND: Brown; fine to coarse grained; silty; scattered gravel; cobbles below 10.0 feet; ' moist and medium dense. (SM) BEDROCK - PAUBA FORMATION 12.0 - 17.0 + SILTY SANDSTONE: Light brown; fine to coarse grained; scattered gravel and cobbles; moist and dense. 1 No Caving No Groundwater Encountered 10/4/88 84 ALLUVIUM 0.0 - 8.0 SILTY SAND: Brown; fine to coarse grained; occasional gravel; dry and loose to 2.0 feet; moist and medium dense below; porous. ' (SM) 8.0 - 15.0 + SILTY SAND: Brown; fine to medium grained; some clay; moist to very moist; medium dense. (SM -SC) ' No Caving No Groundwater Encountered 10/4/88 ' 85 ALLUVIUM 0.0 - 4.0 SAND: Light brown; fine to coarse grained; dry and loose. (SW) 4.0 - 8.0 SILTY SAND: Brown; fine to medium grained; gravel traces; moist; medium dense and porous. (SM) Test Pit Depth Number (ft.) 85 - Cont'd. TABLE I LOG OF TEST PITS Description J.N. 298-87 Page 34 1 8.0 - 17.0 CLAYEY SAND: Dark brown; fine to medium grained; moist to very moist at depth; medium dense. (SC) BEDROCK - PAUBA FORMATION ' 17.0 - 20.0 + GRAVELLY SANDSTONE; Light brown; fine to coarse grained; scattered cobbles; moist and dense. -� No Caving No Groundwater Encountered 10/4/88 ' 86 ALLUVIUM 0.0 - 5.0 SAND: Light brown; fine to coarse grained; dry and loose. (SW) 5.0 - 14.0 CLAYEY SAND: Dark brown; fine to medium ' grained; very moist; medium dense. (SC) 14.0 - 17.0 + SILTY SAND: Brown; fine to coarse grained; ' some gravel; moist; medium dense (SM) No Caving 1 No Groundwater Encountered 10/4/88 ' 87 ALLUVIUM 0.0 - 11.0 SILTY SAND: Brown; fine grained; dry and loose to 5.0 feet; damp to moist and medium ' dense below; porous and compressible. (SM) I 1 , Test Pit Depth !, Number (ft.) 87 - Cont'd. I 1 11 .1 �1 I� F _1 J.N. 298-87 Page 35 mxnro r LOG OF TEST PITS Description 11.0 - 17.0 SILTY SAND: Dark brown; fine to medium grained; moist and medium dense; some clay increasing with depth; grades to Clayey Sand at about 14.0 feet; also becomes moist to very moist and fairly dense. (SM to SC) 17.0 - 20.0 + ALLUVIUM 0.0 - 3.0 RESIDUAL SOIL SILTY SAND: Brown; fine to medium grained; coarser grained at depth; trace of clay; moist and medium dense. (SM) No Caving No Groundwater Encountered 10/4/88 SILTY SAND: Brown; fine to medium grained; dry and loose. (SM) 3.0 - 5.0 SANDY CLAY: Red -brown; moist and stiff. (CL) BEDROCK - PAUBA FORMATION 5.0 - 6.5 + GRAVELLY SILTY SANDSTONE: Brown and light brown; fine to coarse grained; several cobbles; moist and dense. No Caving No Groundwater Encountered 10/4/88 ' J.N. 298-87 Page 36 --� TABLE I j LOG OF TEST PITS �kest Pit Depth Number (ft.) Description 89 ALLUVIUM ' 0.0 - 2.0 SILTY SAND: Brown; fine grained; dry; loose. (SM) ' 2.0 - 4.0 CLAYEY SAND: Red -brown; fine to coarse grained; gravelly; moist; dense. (SC) 4.0 - 11.0 SILTY SAND: Light brown; fine to coarse grained; trace of clay; moist to very moist; medium dense. (SM) ' BEDROCK - PAUBA FORMATION 11.0 - 18.0 + GRAVELLY SANDSTONE: Light brown; fine to coarse grained; 25 to 30 percent gravel and ' rounded cobbles to 8 inches maximum size; trace of clay fines; very moist and medium dense to dense. L No Caving No Groundwater Encountered 10/6/88 ' 1 90 ALLUVIUM I ' 0.0 - 8.0 CLAYEY SAND: Brown; fine grained; dry and loose to 2.0 feet; damp and dense below. (SC) ' 8.0 - 10.0 SILTY SAND: Brown; fine grained; damp and medium dense. (SM) ' BEDROCK - PAUBA FORMATION 10.0 - 13.0 + GRAVELLY SANDSTONE: Light brown; fine to coarse grained; 15 to 20 percent gravel and small cobbles; damp to moist and dense. No Caving No Groundwater Encountered 10/6/88 J.N. 298-87 Page 37 ' TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description 91 ALLUVIUM 0.0 - 5.0 SILTY SAND: Brown; fine grained; slightly clayey; dry and loose to 3.0 feet; damp and medium dense below. (SM) BEDROCK - PAUBA FORMATION ' 5.0 - 9.0 + GRAVELLY SILTY SANDSTONE: Brown; fine to coarse grained; trace of clay; 15 to 20 percent gravel; some small cobbles; moist ' and dense. No Caving No Groundwater Encountered 10/6/88 92 ALLUVIUM 0.0 - 7.0 SILTY SAND: Brown; fine grained; slightly clayey; dry and loose to 2.0 feet; moist and ' medium dense below. (SM) BEDROCK - PAUBA FORMATION 7.0 - 10.0 + GRAVELLY SILTY SANDSTONE: Brown; fine to coarse grained; some clay; 20 percent gravel and cobbles with sizes to 12 inches; moist ' and dense. No Caving ' No Groundwater Encountered 10/6/88 93 ALLUVIUM 0.0 - 6.0 SILTY SAND: Brown; fine grained; slightly clayey; dry and loose to 2.0 feet; damp to ' moist and medium dense to dense below. (SM) 1' Test Pit Depth i' Number (ft.) 93 - Cont'd. TABLE I LOG OF TEST PITS Description J.N. 298-87 Page 38 BEDROCK - PAUBA FORMATION 6.0 - 9.0 + GRAVELLY SILTY SAND: Brown; fine to coarse ' grained; some clay; 15 to 20 percent coarse gravel and cobbles with sizes to 10 inches; moist and dense. ' No Caving No Groundwater Encountered 10/6/88 94 ALLUVIUM I 0.0 - 10.0 SILTY SAND: Brown. fine to medium grained; dry and loose in upper 2.0 feet; damp and medium dense and porous below; some ' scattered gravel. (SM) BEDROCK - PAUBA FORMATION i, 10.0 - 14.0 + GRAVELLY SANDSTONE: Light brown; fine to coarse grained; trace of clay; 10 to 15 percent gravel; moist and dense. (SW) No Caving No Groundwater Encountered 10/6/88 ' 95 ALLUVIUM 0.0 - 4.0 SILTY SAND: Light brown; fine to coarse grained; dry to damp and loose. (SM) I J.N. 298-87 ' Page 39 � I TABLE I ' 97 .1 .1 ALLUVIUM 0.0 - 2.5 SILTY SAND: Light red -brown; fine to coarse grained; slightly clayey; some gravel; dry and loose. (SM) LOG OF TEST PITS Test Pit Depth Number (ft.) Description 95 - Cont'd. BEDROCK - PAUBA FORMATION 4.0 - 8.0 + GRAVELLY SANDSTONE: Light brown; fine to ' coarse grained; 15 to 20 percent gravel; some small cobbles; moist and dense. ' No Caving No Groundwater Encountered 10/6/88 ' 96 RESIDUAL SOIL 0.0 - 1.5 SILTY SAND: Light brown; fine to medium grained; dry and loose. (SM) BEDROCK - PAUBA FORMATION I L 1.5 - 5.0 + GRAVELLY SANDSTONE: Light brown; fine to coarse grained; 15 to 20 percent coarse gravel; numerous cobbles up to 12 inches in ' size; damp and dense. No Caving No Groundwater Encountered 10/6/88 ' 97 .1 .1 ALLUVIUM 0.0 - 2.5 SILTY SAND: Light red -brown; fine to coarse grained; slightly clayey; some gravel; dry and loose. (SM) 1 Test Pit Depth Number (ft.) 97 Cont'd. TABLE I LOG OF TEST PITS Description J.N. 298-87 Page 40 BEDROCK - PAUBA FORMATION 2.5 - 10.0 + SANDSTONE: Light red -brown; fine to coarse ' grained; slightly silty; trace of clay; scattered gravel and occasional cobbles; moist and dense. ' No Caving No Groundwater Encountered 10/6/88 ' 98 ALLUVIUM 0.0 - 10.0 SILTY SAND: dry and loose Brown; to 2.0 fine to medium feet; damp to grained; moist and medium dense below. (SM) 10.0 - 13.0 SAND: Light brown; fine to coarse grained; moist; medium dense. (SW) BEDROCK - PAUBA FORMATION 13.0 - 16.0 + SANDSTONE: Light brown; fine to coarse grained; slightly silty; trace of clay; occasional gravel; moist to very moist at depth; dense. ' Slight Caving Below 6.0 feet No Groundwater Encountered 10/6/88 ' 99 ALLUVIUM ' 0.0 - 6.0 SILTY SAND: Brown; fine to medium grained; dry and loose to 2.0 feet; damp to moist and medium dense below. (SM) ' 6.0 - 8.0 CLAYEY SAND: Brown; fine to coarse grained; very moist and dense. (SC) 1' Test Pit !, Number 99 Cont'd. J.N. 298-87 Page 41 manr.c T LOG OF TEST PITS Depth (ft.) Description 8.0 - 12.0 SILTY SAND: Light brown; fine to coarse grained; occasional gravel; trace of clay; moist and medium dense to dense. (SM) BEDROCK - PAUBA FORMATION 12.0 - 14.0 + GRAVELLY SANDSTONE: Light red -brown; fine to coarse grained; 15 to 20 percent gravel and small cobbles; moist and dense. No Caving No Groundwater Encountered 10/6/88 ALLUVIUM 0.0 - 5.0 SILTY SAND: Brown; fine to medium grained; gravel traces; dry and loose. (SM) BEDROCK - PAUBA FORMATION 5.0 - 8.0 + GRAVELLY SANDSTONE: Red -brown; fine to coarse grained; some clay; 20 to 25 percent gravel and cobbles with sizes up to 12 inches; occasional boulder; moist and dense. No Caving No Groundwater Encountered 10/6/88 ALLUVIUM 0.0 - 12.0 SILTY SAND: Brown; fine to medium grained; dry to 1.5 feet; damp to moist below; loose to 8.0 feet; medium dense and slightly porous below; scattered gravel and cobbles below 8.0 feet. (SM) j i' Test Pit ' Number 101 Cont'd. 1 Depth (ft.) TABLE I LOG OF TEST PITS Description J.N. 298-87 Page 42 BEDROCK PAUBA FORMATION 12.0 - 16.0 + SILTY SANDSTONE: Light red -brown; fine to coarse grained; some gravel; moist and dense. No Caving No Groundwater Encountered 10/6/88 ' 102 ALLUVIUM 0.0 - 6.0 SILTY SAND: Brown; fine to medium grained; dry to damp; loose to 2.0 feet; medium dense below. (SM) - 7.5 CLAYEY SAND: Red -brown; fine to coarse `,6.0 ! grained; moist and dense. (SC) BEDROCK - PAUBA FORMATION i i, 7.5 - 10.0 + SILTY SANDSTONE: Red -brown; fine to coarse grained; some clay; occasional gravel; moist !' and dense. No Caving No Groundwater Encountered 10/6/88 ' 103 ALLUVIUM 0.0 - 9.0 SILTY SAND: Brown; fine to medium grained; dry and loose to 3.0 feet; damp to moist and ' medium dense below; moisture increases with depth; becomes very moist at 8.0 feet. (SM) _1 J.N. 298-87 ' Page 43 TABLE I (' 1 LOG OF TEST PITS ' Test Pit Number Depth (ft.) Description 103 Cont'd. ' BEDROCK - PAULA FORMATION 9.0 - 12.0 + GRAVELLY SANDSTONE: Light red -brown; fine to ' coarse grained; slightly silty; trace of clay; 10 to 15 percent gravel and cobbles with sizes - to 10 inches; moist and dense. Slight Caving No Groundwater Encountered 10/6/88 i, 104 ALLUVIUM l.' 0.0 - 7.0 SILTY SAND: Brown; fine to medium grained; dry; loose to 2.0 feet; medium dense and porous below. (SM) i 7.0 - 15.0 SILTY SAND: Brown; fine to medium grained; slightly clayey; moist and medium dense; less ' I porosity than above. (SM) BEDROCK - PAUBA FORMATION I 15.0 - 17.0 + SAND: Light red -brown; fine to coarse grained; slightly clayey; some gravel; moist and dense. ' No Caving No Groundwater Encountered 10/6/88 105 ALLUVIUM ' 0.0 - 5.0 SILTY SAND: Brown; fine to medium grained; dry to damp; loose to medium dense and porous. (SM) ' _i -1��3 a y, S• 161 7 ' J.N. 298-87 ' Page 44 TABLE I i' LOG OF TEST PITS Test Pit Depth Number (ft.) Description 105 Cont'd. ' 5.0 - 14.0 SILTY SAND: Brown; fine to medium grained; slightly clayey; moist and medium dense; some ' gravel and small cobbles below 10.0 feet. (SM) BEDROCK - PAUBA FORMATION ' BEDROCK - PAUBA FORMATION 10.0 - 12.0 + SILTY SANDSTONE: White; fine to medium ' grained; moist and dense. No Caving ' No Groundwater Encountered 10/7/88 U 14.0 - 18.0 + GRAVELLY SANDSTONE: Light brown; fine to coarse grained; trace of clay; slightly silty; 10 to 15 percent gravel; occasional small ' cobbles; moist and dense. No Caving No Groundwater Encountered 10/6/88 • 106 ALLUVIUM 0.0 - 4.0 SILTY SAND; Brown; fine to medium grained; dry and loose. I' 4.0 - 10.0 SILTY SAND: Light red -brown; fine to coarse grained; scattered gravel and small cobbles; dry and medium dense to about 7.0 feet; becomes moist and dense below. (SM) ' BEDROCK - PAUBA FORMATION 10.0 - 12.0 + SILTY SANDSTONE: White; fine to medium ' grained; moist and dense. No Caving ' No Groundwater Encountered 10/7/88 U J.N. 298-87 ' Page 45 ' TABLE I i LOG OF TEST PITS !,Test Pit Depth Number (ft.) Description 107 ALLUVIUM ' 0.0 - 3.0 SILTY SAND: Brown; fine to medium grained; dry and loose. (SM) ' BEDROCK - PAUBA FORMATION 3.0 - 6.0 + GRAVELLY SILTY SANDSTONE: Brown; fine to ' coarse grained; 15 to 20 percent gravel and small cobbles; damp; medium dense to 4.0 feet; dense below. ' No Caving No Groundwater Encountered 10/7/88 i 108 ALLUVIUM 0.0 - 5.0 SILTY SAND: Brown; fine to medium grained; ' dry and loose to 2.0 feet; slightly damp and medium dense below; porous. (SM) ' BEDROCK - PAUBA FORMATION 5.0 - 9.0 + SILTY SANDSTONE: Light red -brown; fine to coarse grained; trace of clay; scattered ' gravel; damp to moist and dense. No Caving No Groundwater Encountered 10/7/88 ' 109 ALLUVIUM 0.0 - 16.0 + SILTY SAND: Dark brown; fine to medium ' grained; dry and loose to 2.0 feet; moist and medium dense below; porous; decreased porosity below about 9.0 feet. (SM) ' Caving to 7.0 feet No Groundwater Encountered 10/7/88 -1 ' 0.0 - 6.0 SILTY SAND: Brown; fine to medium grained; ' J.N. 298-87 BEDROCK - PAUBA Page 46 ' 6.0 - 10.0 + SANDSTONE: Light red -brown; fine to coarse TABLE I occasional cobbles; damp and dense. i' LOG OF TEST PITS (� Test Pit Depth No Groundwater Encountered 10/7/88 Number (ft.) Description 110 ALLUVIUM SILTY SAND: Brown; fine to medium grained; ' dry and loose. (SM) ' 0.0 - 16.0 + SILTY SAND: Dark brown; fine to medium BEDROCK - PAUBA grained; dry and loose to 2.0 feet; damp and 5.0 - 8.0 + medium dense and porous to about 10 feet; ' moist with decreased porosity below. (SM) No Caving ' No Groundwater Encountered 10/7/88 111 0.0 - 6.0 SILTY SAND: Brown; fine to medium grained; ' dry and loose. (SM) BEDROCK - PAUBA FORMATION 6.0 - 10.0 + SANDSTONE: Light red -brown; fine to coarse grained; slightly silty; some gravel; occasional cobbles; damp and dense. No Caving i No Groundwater Encountered 10/7/88 ' 112 ALLUVIUM 0.0 - 5.0 SILTY SAND: Brown; fine to medium grained; dry and loose. (SM) ' BEDROCK - PAUBA FORMATION 5.0 - 8.0 + SILTY SANDSTONE: Light red -brown; fine to ' coarse grained; slightly clayey; some gravel and small cobbles; damp and dense. ' No Caving No Groundwater Encountered 10/7/88 I J.N. 298-87 Page 47 tTABLE I j' LOG OF TEST PITS Test Pit Depth Number (ft.) Description 113 RESIDUAL SOIL ' 0.0 - 4.0 SILTY SAND: Brown; fine to medium grained; dry and loose. (SM) BEDROCK - PAUBA FORMATION 4.0 - 9.0 + SILTY SANDSTONE: Light red -brown; fine to medium grained; slightly clayey; some gravel; moist and dense. ' No Caving No Groundwater Encountered 10/7/88 !' 114 ALLUVIUM 0.0 - 3.5 SILTY SAND: Brown; fine to medium grained; ' dry and loose. (SM) 3.5 - 7.0 SILTY SAND: Brown; fine to coarse grained; slightly clayey; some gravel; moist and medium ' dense to dense. (SM) BEDROCK - PAUBA FORMATION i' 7.0 - 10.0 + SANDSTONE: Light red -brown; fine to coarse grained; slightly clayey; moist and dense. ' No Caving No Groundwater Encountered 10/7/88 115 ALLUVIUM ' 0.0 - 2.5 SILTY SAND: Brown; fine to medium grained; dry and loose. (SM) I 1 i' Test Pit ' Number 115 Cont'd. 1 1 1 'i i., i' I 11 J.N. 298-87 Page 48 TABLE I LOG OF TEST PITS Depth (ft.) Description 2.5 - 7.0 SILTY SAND: Brown; fine to medium grained; trace of clay; some gravel; moist and medium dense to dense. (SM) BEDROCK - PAUBA FORMATION 7.0 - 11.0 + SANDSTONE: Light red -brown; fine to coarse grained; some gravel; trace of clay; moist and dense. No Caving No Groundwater Encountered 10/8/88 116 ALLUVIUM 0.0 - 1.5 SILTY SAND: Brown; fine to medium grained; dry and loose. (SM) 1.5 - 5.0 SILTY SAND: Light red -brown; fine to medium grained; slightly clayey; moist and medium dense. (SM) BEDROCK - PAUBA FORMATION 5.0 - 8.0 + SANDSTONE: Light red -brown; fine to coarse grained; clean; some gravel; moist and dense. (SW) No Caving No Groundwater Encountered 10/8/88 I 1 J.N. 298-87 ' Page 49 ' TABLE I LOG OF TEST PITS ' Test Pit Depth Number (ft.) Description 117 ALLUVIUM ' 0.0 - 9.0 SILTY SAND: Dark brown; sand fine to medium grained; gravel traces; moist; ' loose to medium dense to porous. (SM) BEDROCK - PAUBA FORMATION 9.0 - 14.0 + SILTY SANDSTONE: Light brown; sand fine to medium grained; moist to very moist; medium dense to dense. ' No Caving No Groundwater 118 RESIDUAL SOIL 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to medium grained; moist loose to medium dense and porous. (SM) ' BEDROCK - PAUBA FORMATION j 3.0 - 5.0 CLAYEY SANDSTONE WITH GRAVEL: Light reddish -brown; sand fine to coarse grained; 20 to 25 percent gravel and small cobbles; moist and dense. ' 5.0 - 7.0 + SILTY SANDSTONE: Light brown and light reddish -brown; sand fine to coarse ' grained; some gravel; moist; dense. No Caving ' No Groundwater _1 -1 I 1 J.N. 298-87 ' Page 50 TABLE I LOG OF TEST PITS ' Test Pit Depth Number (ft.) Description 119 ALLUVIUM _1 0.0 - 7.0 SILTY SAND: Dark brown to brown at ' depth; sand fine to medium grained; scattered gravel below 4.5 feet; moist; ' loose to medium dense and porous. (SM) 7.0 - 9.0 GRAVELLY SILTY SAND: Brown; sand 'fine to medium grained; 25 to 30 percent ' gravel and cobbles; moist; medium dense to dense. (SM) ' BEDROCK - PAUBA FORMATION 9.0 - 11.0 + SILTY SANDSTONE: Light brown; sand ' fine to coarse grained; trace of clayey fines; moist; dense. Caving to 7.0 feet ' No Groundwater 120 ALLUVIUM 0.0 - 4.0 SILTY SAND: Dark brown; sand fine to medium grained; 25 to 30 percent gravel and cobbles below 3.0 feet; gravel traces above; moist; loose to medium dense and porous. (SM) ' BEDROCK - PAUBA FOUNDATION 4.0 - 6.0 + SILTY SANDSTONE: Light red -brown; sand fine grained; 40 percent silty fines; ' moist and dense. ' No Caving No Groundwater _1 I J.N. 298-87 Page 51 ' TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description 121 ALLUVIUM 0.0 - 3.5 SILTY SAND: Dark brown; sand fine to ' medium grained; some gravel; moist to very moist; loose to medium dense and porous. (SM) BEDROCK - PAUBA FORMATION 3.5 - 5.0 + GRAVELLY CLAYEY SAND: Light brown; sand fine to coarse grained; 20 to 25 percent gravel and cobbles; moist; ' dense. No Caving No Groundwater 122 RESIDUAL SOIL 0.0 - 2.0 SILTY SAND: Dark brown; sand fine to medium grained; some scattered gravel and small cobbles; moist and loose. ' (SM) BEDROCK - PAUBA FORMATION 2.0 - 5.0 CLAYEY SANDSTONE: Light brown and light reddish -brown; sand fine to coarse grained; some gravel and small cobbles ' at contact with alluvium; very moist to moist depth; dense. 5.0 - 6.5 + SILTY SANDSTONE: Olive brown; sand fine grained; 40 percent silty fines; thin interbeds of clayey silt; moist; ' very dense. No Caving No Groundwater ' I J.N. 298-87 ' Page 52 •,, TABLE I LOG OF TEST PITS II Test Pit Depth Number (ft.) Description 123 ALLUVIUM ' 4.5 - 7.0 GRAVELLY SAND: Light brown; fine to coarse grained; 20 - 25 percent coarse gravel and small cobbles; moist; medium ' dense. (SW) -1 '2�fb 0.0 - 4.0 SILTY SAND: Brown; sand fine to medium ' grained; layer of gravel and cobbles at 3.0 to 4.0 feet; gravel traces above; ' moist; loose. (SM) BEDROCK - PAUBA FORMATION ' 4_5 - 5.5 + CLAYEY SANDSTONE: Reddish -brown; sand fine to medium grained; damp and dense. No Caving ' No Groundwater 124 RESIDUAL SOIL 0.0 - 2.0 SILTY SAND: Brown; sand fine to medium grained; 15 to 25 percent gravel and frequent cobbles; moist; loose. (SM) BEDROCK - PAUBA FORMATION 2.0 - 4.0 + SILTY SANDSTONE: Light reddish -brown; sand fine grained; 40 percent silty fines; moist; dense. No Caving No Groundwater 125 ALLUVIUM 0.0 - 4.5 SILTY SAND: Brown; sand fine to ' medium grained; moist and loose. (SM) ' 4.5 - 7.0 GRAVELLY SAND: Light brown; fine to coarse grained; 20 - 25 percent coarse gravel and small cobbles; moist; medium ' dense. (SW) -1 '2�fb I J.N. 298-87 Page 53 1 TABLE I LOG OF TEST PITS Test Pit Depth ,- Number (ft.) Description 125 FORMATION BEDROCK - PAUBA 7.0 - 9.0 + SANDSTONE: Light reddish -brown; fine ' to coarse grained; slightly silty; some gravel; moist; dense. (SW) Caving to 4.5 feet No Groundwater ' 126 RESIDUAL SOIL 0.0 - 2.5 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose to medium dense. (SM) i' f BEDROCK - PAUBA FORMATION 2.5 - 5.0 + SILTY SANDSTONE: Light brown; sand fine to medium grained; damp; very dense. No Caving ' No Groundwater 127 ALLUVIUM 0.0 - 2.0 SILTY SAND: Brown; sand fine to medium grained; some gravel; moist; loose (SM) 2.0 - 4.5 GRAVELLY SAND: Light reddish -brown; sand fine to coarse grained; some silty fines; 20 to ' 25 percent gravel and cobbles; moist; medium dense. (SW) 1 TABLE I LOG OF TEST PITS Depth J.N. 298-87 Page 54 (ft.) Description 4.5 - 6.0 + CLAYEY SANDSTONE: Mottled light gray and reddish -brown; sand fine to coarse grained; same gravel; moist; dense. 0.0 - 3.5 GRAVELLY SILTY SAND: Brown to light brown; sand fine to coarse grained; 25 to 30 percent gravel and cobbles; moist; loose to medium dense. BEDROCK - PAUBA FORMATION 3.5 - 6.0 + GRAVELLY CLAYEY SANDSTONE: Light reddish -brown; sand fine to coarse grained; 25 to 30 percent gravel; moist; dense. ALLUVIUM 0.0 - 4.0 OLDER ALLUVIUM 4.0 - 9.0 + No Caving No Groundwater SILTY SAND: Brown; sand fine to medium grained; moist; loose to medium dense and porous. (SM) SILTY SAND: Light reddish -brown; sand fine grained; damp; dense. (SM) No Caving No Groundwater Test Pit ' Number 127 ' 128 129 1 TABLE I LOG OF TEST PITS Depth J.N. 298-87 Page 54 (ft.) Description 4.5 - 6.0 + CLAYEY SANDSTONE: Mottled light gray and reddish -brown; sand fine to coarse grained; same gravel; moist; dense. 0.0 - 3.5 GRAVELLY SILTY SAND: Brown to light brown; sand fine to coarse grained; 25 to 30 percent gravel and cobbles; moist; loose to medium dense. BEDROCK - PAUBA FORMATION 3.5 - 6.0 + GRAVELLY CLAYEY SANDSTONE: Light reddish -brown; sand fine to coarse grained; 25 to 30 percent gravel; moist; dense. ALLUVIUM 0.0 - 4.0 OLDER ALLUVIUM 4.0 - 9.0 + No Caving No Groundwater SILTY SAND: Brown; sand fine to medium grained; moist; loose to medium dense and porous. (SM) SILTY SAND: Light reddish -brown; sand fine grained; damp; dense. (SM) No Caving No Groundwater -' J.N. 298-87 ' Page 55 TABLE I LOG OF TEST PITS - Test Pit Depth • ' Number (ft.) Description 130 RESIDUAL SOIL 0.0 - 2.5 SILTY SAND: Brown to 1.0 feet; light reddish -brown below; sand fine to medium grained; some small cobbles below 1.5 feet; moist; loose medium dense. (SM) BEDROCK - PAUBA FORMATION 2.5 - 4.0 + SILTY SANDSTONE: Light reddish -brown; sand fine to coarse grained; trace of ' clay fines; moist; dense. No Caving No Groundwater 131 RESIDUAL SOIL I 0.0 - 2.0 SILTY SAND: Dark brown; sand fine to medium grained; some scattered cobbles; very moist and loose. (SM) BEDROCK - PAUBA FORMATION I 2.0 - 4.0 + CLAYEY SANDSTONE: Reddish -brown; sand grained; very moist to moist at depth; dense. No Caving No Groundwater 132 ALLUVIUM 0.0 - 1.5 GRAVELLY SAND: Brown; fine to coarse grained; 25 to 30 percent gravel and cobbles; moist and loose. -' I ' J.N. 298-87 Page 56 manr.F T LOG OF TEST PITS Test Pit Depth Number (ft.) Description ' 131 1.5 - 3.0 CLAYEY SAND: Brown; sand very fine to fine grained; lenses of fine Silty Sand; moist; medium dense. (SC) ' 3.0 - 5.0 SAND: Light brown; fine to medium grained; silty; damp; medium dense. (SP - SM) BEDROCK - PAUBA FORMATION 5.0 - 8.0 + GRAVELLY SAND: Light brown; fine to ' coarse grained; 20 to 25 percent gravel; some small cobbles; damp; ' dense. (SW) No Caving No Groundwater ' 133 ALLUVIUM 0.0 - 4.0 SILTY SAND: Light brown; sand fine to ' medium grained; 15 to 20 percent silty fines; thin layers of fine to coarse ' sand; damp; loose to medium dense. (SM and SW) 4.0 - 7.0 CLAYEY SAND: Dark brown; sand fine to ' medium grained; very moist and medium dense. (SC) 7.0 - 12.0 + SILTY SAND: Brown; sand fine grained; 35 percent silty fines; moist to very moist; medium dense. (SM) ' No Caving No Groundwater _1 I J.N. 298-87 Page 57 !' TABLE I i ' LOG OF TEST PITS Test Pit Depth !, Number (ft.) Description 134 ALLUVIUM ' 0.0 - 17.0 + SILTY SAND: Brown; sand fine to medium grained; some clayey fines; thin intermediate layers of light brown fine to medium sand; moist; loose in upper 2.0 feet; medium dense below. (SM/SC) No Caving ' No Groundwater 135 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 3.0 -5.0 + SANDY CLAY: Brown; sand fine grained; damp; very dense. (CL) i, No Caving No Groundwater ' 136 ALLUVIUM 0.0 - 2.5 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 2.5 - 7.0 SILTY SAND WITH SOME CLAY: Brown; sand ' fine grained; damp; dense; exhibits some porosity; at 4.0 feet becomes very dense. (SM/SC) No Caving No Groundwater ' J.N. 298-87 Page 58 ' LOG OF TEST PITS Test Pit Depth Number (ft.) Description 137 ALLUVIUM ' 0.0 -2.5 SILTY SAND: Brown; sand fine to medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 2.5 - 4.0'+ SILTY SAND WITH SOME CLAY: Brown; sand fine grained; damp; dense to 3.0 feet; very dense below. (SM/SC) -1 No Caving No Groundwater 138 ALLUVIUM 0.0 - 6.0 SILTY SAND: Brown; sand fine to medium grained; moist and loose to 3.0 feet; damp and medium dense below. (SM) COLLUVIUM/OLDER ALLUVIUM ' 6.0 - 9.0 CLAYEY SAND: Brown; sand fine to medium - grained; moist; medium dense to dense. (SC) BEDROCK - PAUBA FORMATION 9.0 - 11.0 + GRAVELLY CLAYEY SANDSTONE: Reddish - ' brown; sand fine to coarse grained; 25 to 30 percent gravel and cobbles; moist; dense to very dense. No Caving ' No Groundwater -1 J.N. 298-87 Page 59 mama r LOG OF TEST PITS Test Pit Depth Number (ft.) Description 139 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to medium grained; moist and loose. (SM) COLLUVIUM/OLDER ALLUVIUM 3.0 - 6.0 + SILTY SAND WITH SOME CLAY: Brown; sand fine grained; damp; dense to very dense (SM/SC) No Caving No Groundwater 140 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to medium grained; moist and loose (SM) COLLUVIUM/OLDER ALLUVIUM 3.0 - 6.0 + SILTY SAND WITH CLAY: Brown; sand fine grained; damp; dense to very dense. (SM -SC) No Caving No Groundwater 141 ALLUVIUM 0.0 - 3.0 SILTY SAND: Brown; sand fine to medium grained; moist and loose. COLLUVIUM/OLDER ALLUVIUM 3.0 - 10.0 + SILTY SAND: Brown; sand fine grained; damp and medium dense with some porosity to 5.0 feet; becomes moist and medium dense with less porosity below. (SM) .1 I i 1 _' 1 J.N. 298-87 Page 60 TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description 141 No Caving No Groundwater 142 ALLUVIUM 0.0 - 3.5 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 3.5 - 9.5 + SILTY SAND: Brown; sand fine to medium grained; damp and medium dense with some porosity to 6.0 feet; less porosity below; sandier with increases in depth. (SM) No Caving No Groundwater 143 ALLUVIUM 0.0 - 2.5 SILTY SAND: Brown; sand fine to coarse grained; some gravel; moist; loose to medium dense. (SM) BEDROCK - PAUBA FORMATION 2.5 - 4.5 + GRAVELLY CLAYEY SANDSTONE: Brown and reddish- brown; sand fine to coarse grained; 25 to 30 percent gravel and cobbles; moist and dense. No Caving No Groundwater 0 J.N. 298-87 Page 61 i' TABLE I LOG OF TEST PITS I , Test Pit Depth Number (ft.) Description ALLUVIUM 144 0.0 - 2.5 SILTY SAND: Dark brown; sand fine to ' medium grained; moist; loose. (SM) ' COLLUVIUM/OLDER ALLUVIUM 2.5 - 8.0 + SILTY SAND WITH SOME CLAY: Brown; sand fine grained; damp and medium dense ' with some porosity to 4.5 feet; becomes dense below; moist and coarser grained at 6.0 feet. (SM/SC) No Caving No Groundwater ?' 145 ALLUVIUM 0.0 - 2.5 SILTY SAND: Dark brown; sand fine to medium grained; moist and loose. (SM) COLLUVIUM/OLDER ALLUVIUM I' 2.5 -6.0 + SILTY SAND: Brown; sand fine grained; - trace of clay; damp; medium dense with some porosity to 4.0 feet; becomes ' dense below; moist at 5.0 feet. (SM) No Caving No Groundwater r I ' Test Pit Number 146 [1 1 11 Depth (ft.) ALLUVIUM LOG OF TEST PITS Description J.N. 298-87 Page 62 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to medium grained; moist and loose. (SM) COLLUVIUM/OLDER ALLUVIUM 3.0 - 7.0 + SILTY SAND: Brown; sand fine grained; trace of clay; damp; medium dense with some porosity to 5.0 feet; becomes dense to very dense below. (SM/SC) No Caving No Groundwater 147 ALLUVIUM 0.0 - 2.5 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 2.5 - 6.0 SILTY SAND: Brown; sand fine grained; trace of clay; moist; medium dense to about 4.0 feet; becomes dense below. (SM/SC) 6.0 - 9.0 CLAYEY SAND: Light reddish -brown; sand fine to medium grained; moist; dense. (SC) No Caving No Groundwater ' Test Pit Number !, 148 Uri Depth (ft.) ALLUVIUM TABLE I LOG OF TEST PITS Description J.N. 298-87 Page 63 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 3.0 - 6.0 + CLAYEY SAND: Light reddish -brown; sand fine to medium grained; very moist to moist; dense. (SC) ' No Caving No Groundwater ' 149 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to (� medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 3.0 - 8.0 SILTY SAND WITH SOME CLAY: Light reddish -brown; sand fine to medium j, grained; moist; dense. (SM/SC) 8.0 - 10.0 + SILTY SAND: Light reddish -brown; sand fine grained; moist; dense. (SM) ' No Caving No Groundwater I I J.N. 298-87 ' Page 64 ' BEDROCK - PAUBA FORMATION 5.0 - 7.0 + GRAVELLY CLAYEY SAND: Reddish -brown; ' sand fine to coarse grained; 30 to 35 percent gravel and cobbles; moist; dense. TABLE I No Caving LOG OF TEST PITS No Groundwater 1 ALLUVIUM Test Pit Depth ' Number (ft.) Description 150 ALLUVIUM ALLUVIUM ' 0.0 - 2.5 SILTY SAND: Dark brown; sand fine to fine to medium grained; some fine medium grained; moist; loose (SM) ' COLLUVIUM/OLDER ALLUVIUM 2.5 - 5.0 SILTY SAND: Light reddish -brown; sand fine to medium grained; moist; dense. ' (SM) ' BEDROCK - PAUBA FORMATION 5.0 - 7.0 + GRAVELLY CLAYEY SAND: Reddish -brown; ' sand fine to coarse grained; 30 to 35 percent gravel and cobbles; moist; dense. I No Caving ' No Groundwater ' 151 ALLUVIUM 0.0 - 2.5 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose (SM) COLLUVIUM/OLDER ALLUVIUM 2.5 - 8.0 SILTY SAND: Light reddish -brown; sand ' fine to medium grained; some fine grained; damp to 5.0 feet; moist below; dense; scattered gravel and cobbles at 6.0 to 8.0 feet (SM) I 1 1 1 1 J.N. 298-87 Page 65 LOG OF TEST PITS Test Pit Depth Number (ft.) Description 151 8.0 - 11.0 + SAND: Light reddish -brown; fine to medium grained; silty; moist; dense. (SP/SM) No Caving No Groundwater 152 ALLUVIUM 0.0 - 2.5 SILTY SAND: Dark brown; sand time to medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 2.5 - 4.5 + CLAYEY SAND: Light reddish -brown; sand fine grained; damp; dense to very dense. (SC) No Caving No Groundwater 153 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 3.5 - 5.0 + CLAYEY SAND: Light reddish -brown; sand fine grained; damp; dense to very dense. (SC) No Caving No Groundwater Test Pit 154 Depth (ft.) TABLE I LOG OF TEST PITS Description J.N. 298-87 Page 66 0.0 - 2.5 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose to medium dense. (SM) COLLUVIUM/OLDER ALLUVIUM 2.5 - 5.0 + CLAYEY SAND: Light reddish -brown; sand fine grained; damp; dense to very dense (SC). No Caving No Groundwater 155 ALLUVIUM 0.0 - 2.5 SILTY SAND: Brown; sand fine to medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 2.5 - 8.0 + SILTY SAND WITH SOME CLAY: Reddish - brown; sand fine to medium grained; damp; dense; becomes moist at 6.0 feet. (SM/SC) No Caving No Groundwater 1 J.N. 298-87 ' Page 67 -' ��c?)Oe o � fob, TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description 156 ALLUVIUM 0.0 - 2.5 SILTY SAND: Brown; sand fine to medium ' grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM ' 2.5 - 7.0 GRAVELLY SILTY SAND: Reddish -brown; sand fine to medium grained; 20 to 25 percent gravel and cobbles; damp to ' moist and dense. (SM) 7.0 - 9.0 + GRAVELLY SAND: Light brown; fine to ' coarse grained; slightly silty; 20 to 25 percent gravel; moist; dense. (SW) ' No Caving No Groundwater ' 157 ALLUVIUM 0.0 - 5.0 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose to medium ' dense. (SM) COLLUVIUM/OLDER ALLUVIUM ' 5.0 - 8.0 CLAYEY SAND: Reddish -brown; sand fine to medium grained; moist to very moist; ' medium dense and dense. (SC) No Caving ' No Groundwater -' ��c?)Oe o � fob, I 1 J.N. 298-87 ' Page 68 1 -1 ' TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description 158 ALLUVIUM 0.0 - 1.0 SILTY SAND: Brown; sand fine to medium ' grained; moist; loose. (SM) ' COLLUVIUM/OLDER ALLUVIUM 1.0 - 3.5 CLAYEY SAND: Light reddish -brown; sand fine to coarse grained; very moist to ' moist; medium dense to dense. (SC) 3.5 - 7.0 SAND: Light gray and light reddish - brown; fine to coarse grained; clean; moist; dense. (SW) BEDROCK - PAUBA FORMATION 7.0 - 11.0 + GRAVELLY SANDSTONE: Light reddish - brown; fine to very coarse grained; trace of clayey fines; 15 to 20 ' percent coarse gravel; moist to very moist; dense. ' No Caving No Groundwater ' 159 ALLUVIUM 0.0 - 1.5 SAND: Light reddish -brown; fine to medium grained; silty; dry; loose. ' (SP) 1.5 - 5.0 SILTY SAND: Brown; sand fine to medium ' grained; intermediate layers of fine to medium Sand; moist to damp; medium ' dense and porous. 1 -1 ' J.N. 298-87 ' Page 69 TABLE I ' LOG OF TEST PITS )'Test Pit Depth Number (ft.) Description 159 COLLUVIUM/OLDER ALLUVIUM 5.0 - 7.0 CLAYEY SAND: Light reddish -brown; sand ' fine to medium grained; some fine gravel ' BEDROCK - PAUBA FORMATION 7.0 - 9.0 + GRAVELLY CLAYEY SANDSTONE: Light reddish -brown; sand fine to coarse grained; 20 to 25% gravel and cobbles; moist; very dense. No Caving No Groundwater 160 ALLUVIUM 0.0 - 10.0 SILTY SAND: Brown; sand fine to medium grained; moist; loose to medium dense and porous. (SM) BEDROCK - PAUBA FORMATION 10.0 - 12.0 + GRAVELLY SANDSTONE: Light brown; fine to coarse grained; 15 to 25 percent gravel and cobbles; moist; dense No Caving No Groundwater ��I J.N. 298-87 Page 70 TABLE I I LOG OF TEST PITS Test Pit Depth Number (ft.) Description 161 ALLUVIUM 0.0 - 4.0 SILTY SAND: Dark brown; sand fine to ' medium grained; moist; loose. (SM) 4.0 - 13.0 SILTY SAND: Light brown; to reddish - brown; fine to medium grained; moist; medium dense; some fine gravel. (SM) COLLUVIUM/OLDER ALLUVIUM 13.0 - 16.0 CLAYEY SAND: Light reddish -brown; sand ' fine to coarse grained; some gravel; medium dense to dense. (SC) moist; No Caving No Groundwater 162 ALLUVIUM —� 0.0 - 3.5 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) ' 3.5 - 8.0 SILTY SAND: Light reddish -brown; sand fine grained; moist; medium dense. (SM) ' COLLUVIUM/OLDER ALLUVIUM 8.0 - 11.0 + GRAVELLY CLAYEY SAND: Light reddish - brown; sand fine to medium grained; 10 to 15 percent gravel to 9.0 feet; gravel traces below; moist; medium dense to dense. (SC) No Caving No Groundwater ' I 1 J.N. 298-87 ' Page 71 TABLE I ' LOG OF TEST PITS Test Pit Depth Number (ft.) Description ' 163 ALLUVIUM ' 0.0 - 4.0 SILTY SAND: Brown; sand fine to medium grained; moist; loose. 4.0 - 14.0 + SILTY SAND: Light reddish -brown; sand fine to coarse; some fine gravel; trace of clayey fines; damp to moist; medium dense and porous; decreased porosity ' below 8.0 feet. (SM/SC) No Caving No Groundwater 164 ALLUVIUM 0.0 - 4.0 SILTY SAND: Brown; sand fine to medium grained; damp; loose. (SM) 4.0 - 12.0 SILTY SAND: Light reddish -brown; sand ' fine to medium grained; damp; medium dense; and porous; becomes moist at about 8.0 feet; less porosity below 8.0 feet. (SM) Caving to 4.0 feet No Groundwater 165 ALLUVIUM ' 0.0 - 3.0 SILTY SAND: Brown; sand fine to medium grained; damp; loose. (SM) 1 1 J.N. 298-87 ' Page 72 TABLE I ' LOG OF TEST PITS Test Pit Depth Number (ft.) Description 165 3.0 - 12.0 + SILTY SAND: Light reddish-brown; sand fine to medium grained; damp; medium dense and porous; less porosity below 7.0 feet; becomes moist at about 10.0 ' feet. (SM) No Caving No Groundwater 166 ALLUVIUM 0.0 - 2.0 SANDY SILT: Brown; sand fine grained; nonplastic; damp; loose. (ML) ' 2.0 - 7.0 CLAYEY SILT: Dark gray to 4.0 feet; light gray below; low plasticity; damp; very porous to 4.0 feet; becomes firm with some porosity below; becomes medium stiff to hard at 5.0 feet; damp. (ML) 7.0 - 10.0 + GRAVELLY CLAYEY SAND: Brown; sand fine to medium grained; 15 percent gravel - ;' decreases with depth; damp; medium dense to 8.0 feet; dense; damp. (SC)_ No Caving No Groundwater 167 ALLUVIUM ' 0.0 - 2.5 SANDY SILT: Brown; sand fine grained; nonplastic; damp; loose. (ML) 1 -1 J.N. 298-87 Page 73 ' TABLE I ' LOG OF TEST PITS L ' Excessive Caving No Groundwater ' 169 SOIL/SLOPE WASH 0.0 - 9.0 SILTY SAND: Reddish -brown; sand fine to medium grained; moist loose to 4.0 ' feet; becomes medium dense to dense below. (SM) _1 Test Pit Depth Number (ft.) Description 167 2.5 - 6.0 CLAYEY SILT: Dark gray and very porous to 4.0 feet; light gray and medium stiff to hard below; low plasticity; damp. (ML) 1 6.0 - 9.0 SAND: Light gray with red iron oxide staining; fine to medium grained; silty; damp; medium dense. (SP -SM) 9.0 - 12.0 CLAYEY SILT: Gray with red iron oxide staining; very moist to wet; firm; thin subordinate lenses of fine sand. (ML) No Caving No Groundwater 168 ALLUVIUM ' 0.0 - 3.0 SILTY SAND: Light brown; sand fine grained; damp; loose. (SM) 3.0 - 10.0 + DAMP: Light gray; some red iron oxide staining; fine to medium grained; some silty fines; damp to moist at depth; ' medium dense; subordinate layers of brown fine.Silty Sand. (SP -SM) L ' Excessive Caving No Groundwater ' 169 SOIL/SLOPE WASH 0.0 - 9.0 SILTY SAND: Reddish -brown; sand fine to medium grained; moist loose to 4.0 ' feet; becomes medium dense to dense below. (SM) _1 J.N. 298-87 ' Page 74 manrn r BEDROCK - PAUBA FORMATION 9.0 - 11.0 + SANDSTONE: Light reddish -brown; fine to coarse grained; some gravel; slightly ' silty; very moist; dense. No Caving ' No Groundwater LOG OF TEST PITS Test Pit Depth ' Number (ft.) Description ' 169 BEDROCK - PAUBA FORMATION 9.0 - 11.0 + SILTY SANDSTONE: Light reddish -brown; sand fine to medium grained; gravel ' traces; damp; dense. No Caving ' No Groundwater 170 SOIL/SLOPE WASH ' 0.0 - 9.0 SILTY SAND: Reddish -brown; sand fine to medium grained; moist; loose to 4.0 feet; becomes medium dense to dense ' below (SM) ' BEDROCK - PAUBA FORMATION 9.0 - 11.0 + SANDSTONE: Light reddish -brown; fine to coarse grained; silty; some fine t gravel; very moist; dense. No Caving ' No Groundwater 171 SOIL/SLOPE WASH 0.0 - 9.0 SILTY SAND: Dark brown to 5.0 feet; reddish -brown below; medium grained; moist; loose to 5.0 feet; medium dense ' below. (SM) BEDROCK - PAUBA FORMATION 9.0 - 11.0 + SANDSTONE: Light reddish -brown; fine to coarse grained; some gravel; slightly ' silty; very moist; dense. No Caving ' No Groundwater J.N. 298-87 ' Page 75 TTOT L+ T LOG OF TEST PITS Test Pit Depth ' Number (ft.) Description i' 172 ALLUVIUM 0.0 - 13.0 SILTY SAND: Brown to 4.0 feet; reddish - brown below; sand fine to medium grained; moist; loose to 5.0 feet; medium dense and porous below; less porosity at about 9.0 feet. (SM) 13.0 - 15.0 + SAND: Light reddish -brown; fine to medium grained; silty; micaceous; ' moist; medium dense. (SP -SM) No Caving No Groundwater 173 ALLUVIUM 0.0 - 4.0 SILTY SAND: Dark brown fine to medium ' grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 4.0 - 8.0 SILTY SAND: Reddish -brown; sand fine to medium grained; moist; medium dense to ' dense. (SM) 8.0 - 11.0 + SILTY SAND WITH SOME CLAY: Light reddish -brown; sand fine to medium grained; some gravel; very moist; dense. (SM/SC) ' No Caving No Groundwater 174 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) I t J.N. 298-87 ' Page 76 TABLE I ' LOG OF TEST PITS Test Pit Depth Number (ft.) Description 174 3.0 - 8.0 + SILTY SAND: Reddish -brown; sand fine to ' medium grained; damp; medium dense and porous; less porosity below about 6.0 ' feet. (SM) No Caving No Groundwater 175 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to ' medium grained; moist; loose. (SM) 3.0 - 11.0 + SILTY SAND: Reddish -brown; sand fine to ' medium grained; damp; medium dense and porous; less porosity at about 8.0 feet; becomes moist at 9.0 feet. (SM) No Caving No Groundwater -, 176 RESIDUAL SOIL 0.0 - 2.0 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) ' BEDROCK - PAUBA FORMATION 2.0 - 6.5 CLAYEY SANDSTONE: Mottled light reddish -brown and gray; sand fine to ' coarse grained; very moist; dense. 6.5 - 8.5 + GRAVELLY SANDSTONE: Light reddish - brown; fine to coarse grained; 10 to 15 percent gravel; very moist; dense. No Caving No Groundwater C 11 J.N. 298-87 Page 77 TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description 177 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) 3.0 - 14.0 + SILTY SAND: Reddish -brown; sand fine to medium grained; moist; medium dense and porous; less porosity below about 7.0 feet; some gravel and small cobbles below 12.0 feet. (SM) No Caving No Groundwater 178 ALLUVIUM 0.0 - 5.0 SILTY SAND: Brown; sand fine to medium grained; moist; loose. 5.0 - 11.0 + SILTY SAND: Reddish -brown; sand fine to medium grained; moist; medium dense and porous; less porosity below about 9.0 feet. (SM) No Caving No Groundwater 179 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 3.0 - 10.0 + SILTY SAND: Light reddish -brown; sand fine to medium grained; damp to moist; dense. (SM) No Caving No Groundwater J.N. 298-87 Page 78 TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description 180 ALLUVIUM 0.0 - 3.5 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 3.5 - 8.0 SILTY SAND: Reddish -brown; sand fine to medium grained; moist to very moist at depth; dense. (SM) BEDROCK - PAUBA FORMATION 8.0 11.0 + GRAVELLY CLAYEY SANDSTONE: Reddish - brown; sand fine to coarse grained; 15 to 20 percent gravel; and cobble; very moist; dense. No Caving No Groundwater 181 ALLUVIUM 0.0 - 10.0 + SILTY SAND: Reddish -brown; sand fine to medium grained; damp; loose to 3.0 feet; medium dense and porous below; less porosity below about 7.0 feet; becomes moist at about 8.0 feet. (SM) No Caving No Groundwater 182 ALLUVIUM 0.0 - 9.0 SILTY SAND: Reddish -brown; sand fine to medium grained; damp; loose to 3.5 feet; medium dense and porous below; less porosity below about 6.0 feet; becomes moist at about 7.0 feet. (SM) No Caving No Groundwater I 1 ' J.N. 298-87 Page 79 TABLE I -1 LOG OF TEST PITS I ' Test Pit Depth Number (ft.) Description I' 183 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to ' medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM ' 3.0 - 9.0 SILTY SAND WITH SOME CLAY: Light reddish -brown; sand fine to medium grained; moist to very moist; dense. (SM -SC) No Caving No Groundwater 184 ALLUVIUM - 8.0 + SILTY SAND: Reddish -brown; sand fine to -'0.0 medium grained; moist; loose to 2.5 ., feet; medium dense and porous below; less porosity at about 5.0 feet. (SM) No Caving ' I No Groundwater 185 ALLUVIUM 0.0 - 5.5 SILTY SAND: Reddish -brown; sand fine to medium grained; moist; loose to 4.0 ' feet; medium dense and porous below. (SM) COLLUVIUM/OLDER ALLUVIUM 5.5 - 8.0 + CLAYEY SAND: Reddish -brown; sand fine to medium grained; moist; dense. (SC) ' No Caving No Groundwater I J.N. 298-87 Page 80 TABLE I I ' LOG OF TEST PITS Test Pit Depth Number (ft.) Description 186 0.0 - 12.0 + SILTY SAND: Dark brown to 5.0 feet; reddish -brown below; damp; loose to 5.0 feet; medium dense and porous below; less porosity below about 8.0 feet. ' (SM) No Caving ' No Groundwater 187 ALLUVIUM 0.0%- 9.0 + SILTY SAND: Dark brown to 4.0 feet; reddish -brown below; sand fine to medium grained; moist; loose to 4.0 feet; medium dense and porous below; less porosity below about 6.0 feet; becomes very moist at 5.0 feet. (SM) No Caving No Groundwater 188 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) COLLUVIUM/OLDER COLLUVIUM ' 3.0 - 6.0 + CLAYEY SAND: Brown; sand fine to medium grained; damp; medium dense to dense at ' 4.0 feet. (SC) No Caving No Groundwater 189 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to ' medium grained; moist; loose. (SM) J.N. 298-87 Page 81 MTMTC T LOG OF TEST PITS Test Pit Depth Number (ft.) Description 189 3.0 - 8.0 + SILTY SAND WITH SOME CLAY: Reddish - brown; sand fine to medium dense and porous to 6.0 feet; less porosity ' below. (SM -SC) No Caving No Groundwater 190 ALLUVIUM ' 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to, medium grained; moist; loose. (SM) 3.0 - 10.0 + SILTY,SAND: Reddish -brown; sand fine to medium grained; trace of clayey fines; medium dense and porous; less porosity below about 7.0 feet. (SM) No Caving No Groundwater 191 ALLUVIUM 0.0 - 2.0 SILTY SAND: Dark brown; sand fine to ' medium grained; moist; loose. (SM) ' COLLUVIUM/OLDER ALLUVIUM 2.0 - 9.0 + SILTY SAND WITH SOME CLAY: Brown; sand fine medium grained; damp and dense ' with some porosity to 4.0 feet; dense and non -porous below; becomes moist at 5.0 feet. (SM -SC) ' No Caving No Groundwater ' 192 RESIDUAL SOIL 0.0 - 2.0 CLAYEY SAND: Reddish -brown; sand fine ' to medium grained; moist; loose to medium dense. (SC) J.N. 298-87 Page 82 TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description ' 192 BEDROCK - PAUBA FORMATION 2.0 - 5.0 + CLAYEY SANDSTONE: Light reddish brown; ' sand fine grained; damp to moist; very dense. No Caving ' No Groundwater ' 193 ALLUVIUM 0.0 - 10.0 SILTY SAND: Brown; sand fine to medium grained; some scattered gravel; moist; ' loose to medium dense and porous. (SM) 10.0 - 12.0 SAND: Light brown; fine to medium grained; lenses i., SiltySand; verymoist;omedium dense. (SP -SM) !' 12.0 - 13.0 + SILTY SAND: Light gray; fine grained; very moist; medium dense to dense. (SM) i' Caving to 12.0 feet No Groundwater ' 194 ALLUVIUM 0.0 - 4.0 SILTY SAND: Brown; sand fine to medium t grained; some scattered gravel; moist; loose. (SM) 4.0 - 8.0 + GRAVELLY SILTY SAND: Light brown; sand ' fine to coarse grained; 25 to 30 percent gravel and cobbles; dry to damp; medium dense and porous to about ' 6.0 feet; becomes dense below. (SM) No Caving ' No Groundwater _' a10 I ' J.N. 298-87 Page 83 TABLE I LOG OF TEST PITS ' Test Pit Depth Number (ft.) Description 195 ALLUVIUM 0.0 - 7.0 SILTY SAND: Brown; sand fine to medium grained; some scattered gravel; moist to 3.0 feet; damp below; loose to ' medium dense and porous. (SM) 7.0 - 14.0 + SAND: Light reddish -brown; fine to ' medium grained; silty; damp; medium dense. (SP -SM) No Caving No Groundwater 196 ALLUVIUM -, 0.0 - 5.0 SAND: Light reddish -brown; fine to coarse grained; intermediate lenses of fine to medium Silty Sand; damp; loose ' to medium dense. (SW/SM) BEDROCK - PAUBA FORMATION 5.0 - 8.0 + GRAVELLY SANDSTONE: Light reddish - brown; fine to coarse grained; some clay fines; 20 to 25 percent gravel and ' cobbles to 6.5 feet; decreased gravel below; damp to moist; dense to very dense. No Caving No Groundwater U J.N. 298-87 Page 84 LOG OF TEST PITS Test Pit Depth Number (ft.) Description 197 ALLUVIUM 0.0 - 8.0 + SILTY SAND: Brown; sand fine to medium grained; moist to 3.0 feet; damp below; loose to medium dense and porous to 6.0 feet; less porosity below. (SM) Caving to 4.0 feet No Groundwater 198 ALLUVIUM 0.0 - 4.0 SILTY SAND: Brown; sand fine to medium grained; moist; loose. (SM) BEDROCK - PAUBA FORMATION 4.0 - 5.5 + SILTY SANDSTONE: Yellow-brown; sand fine grained; damp; dense. No Caving No Groundwater 199 ALLUVIUM 0.0 - 5.0 SILTY SAND: Brown; sand fine to medium grained; moist; loose. (SM) 5.5 - 11.0 SILTY SAND: Light reddish -brown; sand fine to medium dense. (SM) .Caving to 5.0 feet No Groundwater I ' ALLUVIUM J.N. 298-87 Page 85 0.0 - 4.0 SILTY SAND: Brown; sand fine to medium TABLE I grained; moist; loose. (SM) 4.0 - 8.0 SILTY SAND: Light brown; sand fine to LOG OF TEST PITS medium grained; damp; medium dense and Test Pit Depth Number (ft.) Description COLLUVIUM/OLDER ALLUVIUM !' 200 ALLUVIUM 0.0 - 3.5 SILTY SAND: Brown; sand fine grained; ' trace of clay fines; very moist; loose. percent gravel; damp to moist; dense. (SM) ' BEDROCK - PAUBA FORMATION Caving to 4.0 feet 3.5 - 6.0 + SANDSTONE: Light reddish -brown; fine to No Groundwater 202 coarse grained; silty; trace of clay; ' some fine gravel; damp; dense to very SILTY SAND: Brown; sand fine to medium dense. ' grained; moist; loose. (SM) No Caving No Groundwater !,t 201 ALLUVIUM 0.0 - 4.0 SILTY SAND: Brown; sand fine to medium grained; moist; loose. (SM) 4.0 - 8.0 SILTY SAND: Light brown; sand fine to medium grained; damp; medium dense and porous to about 6.0 feet; less porosity below. (SM) i' COLLUVIUM/OLDER ALLUVIUM 8.0 - 12.0 + GRAVELLY CLAYEY SAND: Reddish -brown; sand fine to coarse grained; 10 to 15 percent gravel; damp to moist; dense. (SC) ' Caving to 4.0 feet No Groundwater 202 ALLUVIUM 0.0 - 4.0 SILTY SAND: Brown; sand fine to medium ' grained; moist; loose. (SM) _1 1 Test Pit Number 202 1 `-' 1 1 11 203 204 J.N. 298-87 Page 86 TABLE I LOG OF TEST PITS Depth (ft.) 4.0 - 10.0 10.0 - 15.0 + ALLUVIUM 0.0 - 3.5 3.5 - 12.0 Description SILTY SAND: Reddish -brown; sand fine to medium grained; moist; medium dense. (SM) SAND: Light reddish -brown; fine to medium grained; very moist; medium dense to dense. (SP -SM) Caving to 4.0 feet No Groundwater SILTY SAND: Brown; sand fine to medium grained; moist; loose. SILTY SAND: Light reddish -brown; sand fine to medium grained; some fine gravel; dry to damp; medium dense and porous to about 7.0 feet; less porosity below. (SM) BEDROCK - PAUBA FORMATION 12.0 - 14.0 + SANDSTONE: Light reddish -brown; fine to coarse grained; silty; trace of clay; some fine gravel; damp; dense to very dense. No Caving No Groundwater ALLUVIUM 0.0 - 3.0 SILTY SAND: Brown; sand fine to medium grained; moist; loose. (SM) I ' J.N. 298-87 Page 87 TABLE I LOG OF TEST PITS ' TERRACE DEPOSITS 3.0 - 6.0 SANDY CLAY: Reddish -brown; sand fine to medium grained; grades to clayey sand at depth; very moist; dense. (CL to SC) 6.0 - 7.0 + SILTY SAND: Reddish -brown; sand fine t grained; some clay fines; moist; dense. (SM -SC) ' No Caving No Groundwater Test Pit Depth Number (ft.) Description ' 204 3.0 - 10.0 + SILTY SAND: Reddish -brown; sand fine to medium grained; damp; medium dense and porous; less porosity below about 6.0 feet; becomes moist and dense at 9.0 ' feet. (SM) ' No Caving No Groundwater 205 ALLUVIUM ' 0.0 - 4.0 SILTY SAND: Brown; sand fine to medium grained; moist; loose; gravel and ' cobbles at 3.5 to 4.0 feet. (SM) BEDROCK - PAUBA FORMATION ' 4.0 - 6.0 + CLAYEY SANDSTONE: Light reddish -brown; sand fine grained; moist; dense to very dense. No Caving No Groundwater 206 ALLUVIUM 0.0 - 3.0 SILTY SAND: Reddish -brown; sand fine to medium grained; moist; loose. (SM) ' TERRACE DEPOSITS 3.0 - 6.0 SANDY CLAY: Reddish -brown; sand fine to medium grained; grades to clayey sand at depth; very moist; dense. (CL to SC) 6.0 - 7.0 + SILTY SAND: Reddish -brown; sand fine t grained; some clay fines; moist; dense. (SM -SC) ' No Caving No Groundwater I 1 J.N. 298-87 ' Page 88 TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description ' 207 ALLUVIUM 0.0 - 1.5 SILTY SAND: Brown to light brown; sand fine to medium grained; moist; loose. ' (SM) 1.5 - 5.5 SAND: Light brown; fine to medium ' grained; some silty fines; damp; loose. (SP -SM) ' TERRACE DEPOSITS 5.5 - 7.0 + CLAYEY SAND: Reddish -brown; sand fine to medium grained; moist; dense. (SC) Caving to 5.5 feet No Groundwater ' 208 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) 3.0 - 10.0 + SILTY SAND: Reddish -brown; sand fine to medium grained; moist; medium dense and - porous to about 5.0 feet; less porosity and increased moisture below. (SM) ' No Caving No Groundwater ' 209 ALLUVIUM 0.0 - 3.0 SILTY SAND: Brown; sand fine to medium ' grained; moist; loose. (SM) 3.0 - 8.0 + SILTY SAND: Reddish -brown; sand fine to ' medium grained; damp; medium dense and porous to about 5.5 feet; less porosity and dense below. (SM) No Caving - No Groundwater I 1 1 J.N. 298-87 Page 89 1 TABLE I LOG OF TEST PITS 1 Test Pit Depth 1 Number (ft.) Description 210 ALLUVIUM 1 0.0 - 2.0 SILTY SAND: Brown; sand fine to medium grained; moist; loose. (SM) 2.0 - 9.0 SAND: Light gray; fine to coarse 1 grained; some silty fines; inter- mediate layers of fine silty sand; 1 damp; loose. (SW -SM) 9.0 - 12.0 + SAND: Light brown; fine to medium grained; silty; moist; medium dense. 1 (SP -SM) Excessive Caving to 9.0 feet Lj No Groundwater 211 ALLUVIUM 1 0.0 - 1.5 SILTY SAND: Brown; sand fine to medium grained; moist; loose. (SM) 1 1.5 - 6.0 SAND: Light gray and light brown; fine coarse grained; intermediate lenses of fine Silty Sand; damp; loose to medium j 1 dense. (SW and SM) 6.0 - 10.0 + SILTY SAND: Brown; sand fine grained; 1 trace of clay fines; very moist; medium dense. (SM) Excessive Caving to 6.0 feet 1 No Groundwater 212 ALLUVIUM 1 0.0 - 3.0 SILTY SAND: Brown; sand fine grained; damp; loose to medium dense. (SM) 1 3.0 - 9.0 SAND: Light brown; fine to medium _ grained; silty; damp; medium dense. (SP -SM) 1 1 ' J.N. 298-87 Page 90 TABLE I LOG OF TEST PITS ' Test Pit Depth Number (ft.) Description ' 212 9.0 - 11.0 + SILTY SAND: Brown; sand very fine to fine grained; trace of clay fines; very moist; medium dense. (SM) Some Caving to 9.0 feet No Groundwater ' 213 ALLUVIUM 0.0 - 4.0 SILTY SAND: Dark brown; sand fine to ' medium grained; very moist; loose. (SM) 4.0 - 12.0 + SILTY SAND: Reddish -brown; sand fine to medium grained; very moist; medium ' dense and porous; less porosity below about 6.0 feet. (SM) Caving to 4.0 feet No Groundwater 214 ALLUVIUM 0.0 - 17.0 + SILTY SAND: Light brown; sand fine to medium grained; damp; loose to 3.5 ' feet. medium dense and porous below; less porosity below about 7.0 feet; moist at 9.0 feet. (SM) No Caving No Groundwater ' 215 ALLUVIUM (Bottom of Erosion Gully) 0.0 - 2.0 SILTY SAND: Light brown; sand fine to ' medium grained; damp; loose. (SM) t 2.0 - 10.0 + SAND: Light brown; fine to coarse grained; intermediate lenses of fine to medium Silty Sand; damp to moist; loose ' to medium dense. (SW) Excessive Caving (Prevented Further ExcavE ' No Groundwater 01 �// 6.5, l 1 Test Pit ' Number 216 1 1 �I Depth (f t.-)._.... �M 9.0 - 12.0 + J.N. 298-87 Page 91 TABLE I LOG OF TEST PITS Description SILTY SAND: Dark brown; sand fine to medium grained; moist; loose to 4.0 feet; medium dense and porous below; less porosity below about 6.0 feet. (SM) SILTY SAND: Reddish -brown; fine to medium grained; trace of clay fines; moist; medium dense. (SM/SC) No Caving No Groundwater 217 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark reddish -brown; sand fine grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 3.0 - 4.5 + CLAYEY SAND: Reddish -brown; sand fine to medium grained; damp; very dense; difficult to excavate. (SC) No Caving No Groundwater 218 ALLUVIUM 0.0 - 2.5 SILTY SAND: Dark brown; sand fine grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 2.5 - 5.0 + CLAYEY SAND: Reddish -brown; sand fine to medium grained; damp ; very dense; difficult to excavate. (SC) _ No Caving No Groundwater I 1 J.N. 298-87 ' Page 92 1 TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description 219 ALLUVIUM 0.0 - 3.0 SILTY SAND: Brown; sand fine to medium ' grained; moist; loose. (SM) ' COLLUVIUM/OLDER ALLUVIUM 3.0 - 11.0 + SILTY SAND: Light reddish -brown; sand fine to medium grained; trace of clay ' fines; dry to 5.0 feet; damp below; medium dense and slightly porous to about 6.0 feet; dense below. (SW) ' No Caving No Groundwater j, 220 ALLUVIUM 0.0 - 2.5 SILTY SAND: Brown; sand fine grained; I moist; loose. (SM) 2.5 - 3.5 CLAYEY SAND: Reddish -brown; sand fine I medium grained; very moist; medium , dense. (SC) ' BEDROCK - PAUBA FORMATION 3.5 - 5.0 + SILTY SANDSTONE: Reddish -brown; fine to coarse grained; some gravel; slightly ' clayey; damp; very dense. No Caving ' No Groundwater 221 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine grained; moist; loose. (SM) ' J.N. 298-87 Page 93 ! , TABLE I LOG OF TEST PITS Test Pit Depth ' Number (ft.) Description 221 COLLUVIUM/OLDER ALLUVIUM 3.0 - 7.0 + SILTY SAND: Light reddish -brown; sand fine to medium grained; trace of clay fines; gravelly - 15 to 20 percent coarse gravel; dry to damp; medium ' dense and porous to about 5.0 feet; become dense and difficult to excavate ' below. (SM) No Caving No Groundwater 222 ALLUVIUM 0.0 - 2.0 SILTY SAND: Dark reddish -brown; sand fine to medium grained; moist to very moist; loose. (SM) _, COLLUVIUM/OLDER ALLUVIUM ' 2.0 - 7.0 CLAYEY SAND: Reddish -brown; sand fine to medium grained; very moist; medium dense to 5.0 feet; dense below. (SC) BEDROCK - PAUBA FORMATION 7.0 - 10.0 + SILTY SANDSTONE: Reddish -brown; fine to coarse grained; slightly clayey; gravelly; very moist; dense. No Caving No Groundwater 223 SOIL 0.0 - 1.5 SILTY SAND: Dark reddish -brown; sand fine to medium grained; some gravel and ' cobbles; moist; loose. (SM) I ' J.N. 298-87 Page 94 TABLE I ' LOG OF TEST PITS •� Test Pit Depth Number (ft.) Description 223 COLLUVIUM 1.5 - 3.5 CLAYEY SAND: Reddish -brown; sand fine ' to coarse grained; some gravel; very moist; medium dense to dense. (SC) ' BEDROCK - PAUBA FORMATION 3.5 - 5.0 + GRAVELLY SILTY SANDSTONE: Light brown; fine to coarse grained; moist; dense to ' very dense. No Caving ' No Groundwater 224 ALLUVIUM -, 0.0 - 3.0 SILTY SAND: Brown; sand fine to medium grained; moist; loose. COLLUVIUM/OLDER ALLUVIUM 3.0 - 8.0 + CLAYEY SAND: Reddish -brown; sand fine i' to medium grained; dry; medium dense ` and porous to about 4.0 feet; becomes damp and dense below. (SC) ' No Caving No Groundwater ' 225 ALLUVIUM 0.0 - 4.0 SILTY SAND: Dark brown; sand fine to ' medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 4.0 - 10.0 + SILTY SAND: Light reddish -brown; sand fine to medium grained; some clay ' fines; moist; dense. (SM/SC) No Caving No Groundwater ' P,4C/F/C SO/LS ENG/NEER/NG, WC. LOG OF BOR/NG A 1 ATE OBSERVED_ 6/29/87 METHOD OF DR/LL/NG_ Hollowstem Au er 7GGEO BY TCS GROUND ELEV,4T/ON WORK ORDER No.' 40'0103 Oescrlallon Gnd Remarks GC ARTIFICIAL FILL (Qaf): Gravelly clayey sand, medium brown, dry, dense SM ALLUVIUM (Qal): Silty sand, dark brown, . moist, medium dense SP9 5 @5.0 ft. brown SP SP -- --- SM ----- -------------------------------------- ----- -------------------------------------------- -------------------- Very silty sand, brown,.moist, medium. dense, porous, occasional white precipitate -- --- --- SC ------ _ ____ Clayey sand, brown/light brown, moist, loose to medium dense -- SP --- 5 --- ML ------ ----- ---------------------------------------------- Clayey silt, olive, moist, firm -���Lluucu vu " AL UdUe 1 ' J.N. 298-87 Page 95 TABLE I LOG OF TEST PITS Test Pit Depth ' Number (ft.) Description ' 226 ALLUVIUM 0.0 - 4.0 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) ' COLLUVIUM/OLDER ALLUVIUM 4.0 - 7.0 + SILTY SAND: Light reddish -brown; sand ' fine to medium grained; some clay fines; moist dense. (SM) ' No Caving No Groundwater ' 227 ALLUVIUM 0.0 - 4.0 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 4.0 - 8.0 + SILTY SAND: Light reddish -brown; sand fine to medium grained; some clay fines; moist; dense. (SM) ' No Caving No Groundwater •, 228 ALLUVIUM 0.0 - 4.0 SILTY SAND: Brown; sand fine to medium ' grained; subordinate lenses of coarse Sand; dry to damp; loose. (SM) ' 4.0 - 10.0 + SILTY SAND: Reddish -brown; sand fine to medium grained; damp; medium dense and porous to about 8.0 feet; becomes moist ' below with less porosity. (SM) No Caving No Groundwater _t I J.N. 298-87 Page 96 TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description ' 229 ALLUVIUM 0.0 - 3.5 SILTY SAND: Reddish -brown; sand fine to medium grained; damp; loose. (SM) COLLUVIUM/OLDER ALLUVIUM ' 3.5 - 5.0 GRAVELLY SILTY SAND: Light reddish - brown; sand fine to coarse grained; dry; medium dense and porous. (SM) ' BEDROCK - PAUBA FORMATION ' 5.0 - 8.0 + GRAVELLY SANDSTONE: Light reddish - brown; fine to coarse grained; some clay fines; damp; dense to very dense. No Caving No Groundwater j, 230 ALLUVIUM 0.0 - 3.5 SILTY SAND: Dark brown; sand fine to ' medium grained; moist; loose. (SM) 3.5 - 9.0 SILTY SAND: Light reddish -brown; sand fine to medium grained; trace of clay fines; some gravel; dry; medium dense and porous to about 6.5 feet; becomes damp with less porosity below. (SM) ' BEDROCK - PAUBA FORMATION 9.0 - 11.0 + SILTY SANDSTONE: Light reddish -brown; fine to medium grained; trace of clay fines; damp; dense. No Caving No Groundwater ' J.N. 298-87 Page 97 TABLE I LOG OF TEST PITS ' Test Pit Depth Number (ft.) Description ' 231 ALLUVIUM ' 0.0 - 7.0 SILTY SAND: Brown; sand fine to medium grained; moist; loose. (SM) 7.0 - 16.0 + SILTY SAND: Reddish -brown; sand fine to medium grained; some gravel; frequent cobbles and some boulders below 12.0 feet; to very moist; ' slightly to medium dense. (SM) Excessive Caving No Groundwater 232 ALLUVIUM (Bottom of Drainage Swale) 0.0 - 8.0 SAND: Light brown; fine to coarse grained; slightly silty; damp; medium dense. (SW) BEDROCK - PAUBA FORMATION 8.0 - 9.0 + CLAYEY SANDSTONE WITH COBBLES: Light i reddish -brown; fine to coarse grained; very moist; dense. ' Excessive Caving No Groundwater ' 233 ALLUVIUM 0.0 - 12.0 + SILTY SAND: Light brown and gray; sand fine grained; damp; loose to 5.0 feet; medium dense below; subordinate lenses of light gray fine Sand. (SM) ' Excessive Caving No Groundwater 234 ALLUVIUM 0.0 - 6.0 SILTY SAND: Brown; sand fine to medium ' grained; moist; loose. (SM) _reo'Ivu / &5i I ' Test Pit Depth Number (ft.) 234 6.0 - 12.0 J.N. 298-87 Page 98 LOG OF TEST PITS Descriotion SILTY SAND: Reddish -brown; sand fine to medium grained; moist; medium dense. (SM) Caving to 6.0 feet No Groundwater 235 ALLUVIUM 0.0 - 4.5 SILTY SAND: Dark brown; sand fine to ' medium grained; moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM 4.5 - 9.0 + SILTY SAND: Light reddish -brown; sand fine to medium grained; trace of clay fines; damp; medium dense and porous to about 6.0 feet; becomes dense below. (SM) No Caving No Groundwater 236 SOIL 0.0 - 1.5 SILTY SAND: Reddish -brown; sand fine grained; damp; loose. (SM) ' 1.5 - 4.0 + CLAYEY SANDSTONE: Light reddish -brown; fine to coarse grained; some gravel; ' moist; dense. No Caving No Groundwater 237 ALLUVIUM 0.0 - 4.0 SILTY SAND: Dark brown; sand fine to medium grained; damp to moist; loose. (SM) ' J.N. 298-87 Page 99 TABLE I LOG OF TEST PITS ' Test Pit Depth Number (ft.) Description ' 237 4.0 - 10.0 + SILTY SAND: Reddish -brown; sand fine to medium grained; trace of clay fines; ' damp to moist; medium dense and porous to about 6.0 feet; less porosity below. (SM) No Caving No Groundwater ' 238 ALLUVIUM 0.0 - 3.5 SILTY SAND: Dark brown; sand fine to medium grained; moist; loose. (SM) 3.5 - 10.0 + SILTY SAND: Reddish -brown; sand fine to i1 medium grained; trace of clay fines; damp; medium dense and porous to about 6.0 feet; less porosity below. (SM) No Caving No Groundwater !' 239 SOIL 0.0 - 2.0 SILTY SAND: Reddish -brown; sand fine to medium grained; some gravel; trace of clay; moist; loose. (SM) ' BEDROCK - PAUBA FORMATION 2.0 - 4.0 + SILTY SANDSTONE: Light reddish -brown; fine to coarse grained; gravelly; some ' cobble and boulders; some clay fines; moist; dense. No Caving ' No Groundwater I U I J.N. 298-87 Page 100 TABLE I ' LOG OF TEST PITS Test Pit Depth Number (ft.) Description 240 ALLUVIUM 0.0 - 4.0 SILTY SAND: Dark brown; sand fine to medium grained; moist to wet; loose. ' (SM) BEDROCK - PAUBA FORMATION 4.0 - 5.0 + SANDY CLAY: Reddish -brown; sand fine grained moist; stiff. (CL) No Caving No Groundwater 241 ALLUVIUM 0.0 - 5.0 SILTY SAND: Light brown; sand fine !--, grained; damp; loose. (SM) 5.0 - 8.0 + SAND: Light gray; fine to medium ' grained subordinate lenses of fine Silty Sand; damp; medium dense. (SP and SM) Some Caving No Groundwater i ' 242 ALLUVIUM (Bottom of Swale) 0.0 - 2.0 SILTY SAND: Brown; sand fine grained; ' damp; loose. (SM) COLLUVIUM/OLDER ALLUVIUM ' 2.0 - 5.0 + CLAYEY SAND: Reddish -brown; sand fine to medium grained; damp; dense to very dense; slight porosity to 3.0 feet. ' (SC) No Caving No Groundwater I I 1 J.N. 298-87 Page 101 LOG OF TEST PITS Test Pit Depth Number (ft.) Description ' 243 ALLUVIUM (Bottom of Swale) 0.0 - 3.0 SILTY SAND: Dark brown; sand fine grained; very moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM ! 3.0 - 7.0 + CLAYEY SAND: Reddish -brown; sand fine grained; moist; dense. (SC) ' No Caving No Groundwater 244 ALLUVIUM 0.0 - 3.0 SILTY SAND: Dark brown; sand fine grained; very moist; loose. (SM) COLLUVIUM/OLDER ALLUVIUM j' 3.0 - 7.0 + CLAYEY SAND: Light reddish -brown; sand fine grained; moist; dense. (SC) No Caving No Groundwater I' 245 SOIL 0.0 - 1.5 SILTY SAND: Reddish -brown; sand fine grained; moist; loose to medium dense. ' COLLUVIUM/OLDER ALLUVIUM 1.5 - 2.5 CLAYEY SAND: Light reddish -brown; sand ' fine grained; some gravel; moist; dense. (SC) r 2.5 - 5.0 + SILTY SAND: Light reddish -brown; sand fine to medium grained; trace of clay fines; dry; dense. (SM) No Caving No Groundwater I J.N. 298-87 Page 102 TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description 246 ALLUVIUM 0.0 - 2.5 SILTY SAND: Dark reddish -brown; sand ' fine grained; moist; loose to medium dense. (SM) COLLUVIUM/OLDER ALLUVIUM 2.5 - 6.5 + CLAYEY SAND: Light reddish -brown; sand fine to medium grained; some fine gravel; damp; dense to very dense. (SC) No Caving No Groundwater 247 ALLUVIUM I�0.0 - 2.0 SILTY SAND: Dark reddish -brown; sand fine grained; moist; loose to medium j dense. (SM) COLLUVIUM/OLDER ALLUVIUM i 2.0 - 5.0 + CLAYEY SAND: Reddish -brown; sand very fine to fine grained; moist; dense to very dense. (SC) ' No Caving No Groundwater 248 ALLUVIUM (Bottom of 10 feet Deep Erosion Gully) 0.0 - 4.0 + SILTY SAND: Light brown; sand fine to medium grained; trace of clay fines; damp and loose to medium dense in upper 2.0 + feet; becomes dry and dense to very dense below. (SM) No Caving No Groundwater J.N. 298-87 Page 103 TABLE I LOG OF TEST PITS Test Pit Depth Number (ft.) Description 249 ALLUVIUM (Bottom of 10 feet Deep Erosion Gully) 0.0 - 4.0 SAND: Light brown; fine to medium grained; moist; loose to medium dense. (SW) COLLUVIUM/OLDER ALLUVIUM 4.0 - 6.0 + SILTY SAND: Light reddish -brown; sand fine to medium grained; moist; dense to very dense. (SM) No Caving No Groundwater 11 I C I APPENDIX B ' LOGS OF PREVIOUS BORINGS I, L� I I I _1 I, P,4C/F/C SO/LS E/1/G/NEER/NG, /NC. LOG OF BOR/NG No. I cont- DATE ont- DATE OBSERVED 6/29/87 METHOD OF DR/LL/NG Hollowstem Auger LOGGED BY TCS GROUND ELEVAT/ON, 0 o m 12 SM 0 PT 20 35 SP/ SM -- 401 M 40 I SPT 261 SP 45 MORK ORDER NO. 400103 Description ord fi emcr/fs Silty sand, tan, moist to very moist,., slightly micaceous, occasional tan sand lenses Sand, medium to coarse grained, slightly silty, tan, slightly moist, medium dense lz�gso 0 q� &S. 6&.. !off I 1 P4C/F/C SO/LS ENG/NEER/NG, 11VC. LOG OF BOR/NG No. 1 cont DATE OBSERVED 6/29187 METHOD OF DR/LL/NG Hollows tem Auger LOGGED BY TCS GROUND ELEVAT/ON YORK ORDER No. 400103 Az a F a e ° Description and Remarks 50 0 V J o\ SP 29 SP/ @50.0 ft. occasional gravel to 1/4" SM 55 60 SP 34 SP/ SM. TOTAL DEPTH 61.0 ft. No Water -Medall, Worswick 3 Assocletes, Ix. LOS ANGELES ' /. ConsWfing Eng,neers d Geolog,srs SANTA ANA BORING LOG wc.aer. SWD o.l.o,n1.° 9-5-85 """"Mobile B-53H.S.A.eo,.nco..,n.1.. ,n.,.. ,n. O..VOIgn. On IM. 10t/. n01. 1.010011n01.fl nliln. 0l fuOf unli. CO M.I.Onf .l Oln./Iq.lgnl O, I.rn.l 90,•nQ Ele.allon Approx. 1154' BH -1 o DESCRIPTION „y Till; 15* TOPSOIL,Medium dense,dry,light brown,porous Silty SANO(SM) 4 90 ALLUVIUM(Qal) Loose,damp,brown to brownish gray Silty fine 5 5 SAND(SM) Becomes medium dense �o 18* 5 106 CON' TBecomes moist 28 t5 ' 19 20 13 105 CON` ' TBecomes dense 25 40 54* Becomes very ,dense and grayish white 30 Bottom of boring at 30 feet.No groundwater.No caving. 35 40 �a5 50 HAMMER WEIGHT: 140 1bS. PROJECT—NO .: FIGURE NO_ oaoR: 30 inches 52519 A-2 -Medall, Worswick 3 Assocletes, Ix. LOS ANGELES ' /. ConsWfing Eng,neers d Geolog,srs SANTA ANA .1 M -%r1%fwIf� I f-% �VIl11Vt,7 LVIa iooa<o er SWD m�<o,�<a 9_5-85 —"Mobile 8-53H.S.A ao•.,.�o•.m<<. 8., 9o,.»q „„Tc« o..c..000». en inn eu•.a b0 +oo, anq ., m. ,wc.c oo,.-p«uon +m a m+ e»,< m+ wi.•a -.. n+a. in< oau•onom on ,n •. by + -o, _ m<a io 0< •< , <m u.< d m0.•.n+u co•an•om tl omo aen+ a b•+.♦ Bo,•�p E4.a.o» Approx. 1204' BH -2 -` GO DESCRIPTION p i O 12 TOPSOIL,Stiff,dryy to damp,brown to dark brown,porous Sandy SILT(ML) with some rootlets COMF DS ALLUVIUM(Qal) _ 5— 18* Medium dense,damp,light to grayish brown Silty 5 105 SAND(SC) 8 ( Loose,moist,dark brown Clayey fine SAND(SC) MA �10 _ 1 (49) ` 14* SAND interbeds and trace of GRAVEL 9 108 CONS 15 Grades to coarse 20 10 WA (36) 125 3 6 * 18 30 Bottom of boring at 30 feet. No groundwater. No caving. 135 40 45 50 HAMMER WEIGHT: 140 lbs. PROJECT NO_ FIGURE NO.: o Ro P: 30 inches 52519 A-3 j BORING LOG B9 SWD°'°p'OMobile B-53H.S.A co,.m<.. 8„ 0o,•np Numcer. xwm.c.. on inn by ., wol -o,mtro m e. non+. m.o.. of .vD+W.0 coroawn. .om., ourom o• U•••e• E.....,n: APProx. 1220" BH -3 t & IT DESCRIPTION " ;4 o V a 24* TOPSOIL,Medim dense,dry,brown Silty SAND(SM) with some NR rootYets. 'PAUBA 5 92 FORMATION(Qp) Very dense,moist,light brown to grayish white, fine to medium SAND with white oxides ' TYBecomes gravelly with trace of CLAY 10 60* 8 112 _ COBBLES up to 6"' Bottom of boring at 12 feet. No groundwater. No caving. ' 15 20 1 ' 25 30 t 35 I40 1,45 1 50 HAMMER `'EIGHT: 140 lbs. PROJECT NO.: FIGURE NO.: DROP: 30 inches. 52519 A-4 E(�j Uedall, Woiswick d Assn fafas lx_ LOS ANGFI FC BORING LOG ' Lw,.d BY Oi'r D����<n 0"" Rn; BOr.n, D•Jm rle f. „ SWD 9-5-85 Mobile B-53H.S.A °.., J, m. Sp 11< °°r, ....... Approx. 1156 SH -4 :e h TDESCRIPTION ig o _ a ' 28 ALLUVIUM(Qal) Medium dense,dry to damp,white gray to dark brow 22* Siity fine SAND(SM) with some CLAY, some rootlet in top 6" 5_ 5 104 TiBecomes loose and moist to 9 MA t (22. ti5 70* — PAUBA FORMATION(Qp) 12 118 Very dense,light brown to gray,fine to coarse ' SAND COME 20 87 1 ecomes gravelly and grades to coarse 71 ' 25 061 7" 30 56 Bottom of'boring at 30 feet. Groundwater encountered at 14 feet. No caving. 35 40 45 50 HAMMER WEIGHT: i4U IDS. DROP: 30 inches PROJECT ECT FIGUR4 5 .: H E(�j Uedall, Woiswick d Assn fafas lx_ LOS ANGFI FC I _ j„J-, l feCall, Worswick & As- elates. Inc. LOS ANGELES BORING LOG ' Lg9.0 BY.Oare Drn4°. Onu B.Q Bor.n° 0•.-a"l Sw0 9-5-85 Mobile B-53H.S.A D.Kubb.e. en n••, b -g .00ry .NV a m..becn� borm9 i«.bon ..N .1 m. b.n0 m• ry .n° - . m.0.. In. °b.r.b,.,..,> .a,.b. n.=.=°�.......,n ,o ....... BonnQ Eie.. bon' Approx. 1180 BH -5 DESCRIPTION s= of o a 1 FILL,Medium dense,dry,light brown Silty SAND(SM) TOPSOIL,Medium dense,dry,dark brown,silty fine to coarse 25* 3 108 1 5 9 SAND SM PAUBA FORMATION(Qp) Dense to very dense,damp to moist,brownish to white gray,fine to medium SAND, with upper 3 to 1 4 feet weathered io 44* 12 121 DS 1 — Sw 1 15 56 1 ,Fine contents decreases 20 66* 4 105 1 T, rades to coarse 125 67 1 30 51* Bottom of boring at 30 feet. No groundwater. No caving. 1 1 35 1 40 i 1 45 150 HAMMER WEIGHT: 140 lbs. PROJECT NO.: FIGURE NO.: 1 DROP. 30 inchps 52519 A-6 _ j„J-, l feCall, Worswick & As- elates. Inc. LOS ANGELES I BORING LOG �CaoB, SI4D D.a0.,:" 9-5-85 ow. A-9Mobile B-53H.S.A B°""'o,maan. 8 BO.yHump.f. D.,00eom en mn pa•_p I% •p p.Y em, n m. .o.ceq ponn0 qp. pon .b tl m• em• fin. ro•mo _u m.0. In• a..c.eem o• m.. p0 . eoi - ..,,,.p w p. npn..ma.. a wpmn.w apr000+. a p , . ouiam or em.. Bwi_D Eiaw non Approx. 1180' BH-5DESCRIPTION2 fli FILL,Medium dense,dry,light brown Silty SAND(SM) TOPSOIL,Medium dense,dry,dark brown,silty fine to coarse 25* 3 108 SAND SM 5 9 PAUBA FORMATION(Qp) Dense to very dense,damp to moist,brownish to white gray,fine to medium SAND, with upper 3 to 4 feet weathered io 44* 12 121 DS _ cW 15 56 zo 66* Fine contents decreases 4 105 Trades to coarse 25 67 y 30 51* Bottom of boring at 30 feet. No groundwater. No caving. 35 0- 45 50 HAMMER WEIGHT: 140. lbs. DROP: 3 i PROJECT NO.: 52519 FIGURE NO.: A-6 Me-dall,Wolswick&Assoclates,!x. LOS ANGELES A Consvlbnq Eng-,ets d Geolog,sts SANTA ANA BORING LOG 000.p BY SWD mi. o�ai.o 9-5^85 o,.. a.Q Mobile B-.53H.S.A 8'"' O. -m".. 8" 9onp �pmo.r. O.acno,an. on m.. p.....p pp .00, .nry a ,,. ,o.<nc .Dory bene" .ro a u. em. m. D...+p . mm. rn• apnnp e...,p^A rox . 1185' P P BH -6 DESCRIPTION o s 5 (10 I Its Ito I I25 30 35 ao l45 52 48* 45 54* 51 56* 50 57* 54 PAUBA FORMATION Dense to very dense,dry to damp,brownish to white gray, Silty fine to medium SAND alternatin with coarse SAND Becomes moist Becomes gravelly 10. 106 DS Bottom of boring at 40 feet. No groundwater. No caving. lv7 HAMMER WEIGHT: s. DROP: 30 inches PROJECT NO.: 52519 FIGURE NO.: . 7 )Weds//, Worswick & Assoc/ates, /x. t �� //A Conswr.ng Enq.neers 6 Ge bg-sr: LOS ANGELES SANTA ANA BURIN(U LUG opp ea BF SWDMobile Dal! Donlp Dlal Rq Bor,np Dram eler. B-53H.S.A 8" Boenp Rpm plr. Ol KrglgN On m,. Dp,np '.Op •OOZY Only al lna .O.CiK OOr u,p IOCalgn ir,0 al In! I,m. 111. EOnp -.f m.01. Iha BOlinp Elly il0 n' , n1.010 e. ,.a... nlan. a .M.err.(. COnOn,On. a CIPM IOf�4pwa pr IM.. App rox. 1134 BH -7 DESCRIPTION -7 "s= x - 19 ALLUVIUM(Qal) Loose to medium dense,dry to moist,porous, dark grayish to yellowish brown,Clayey fine to coarse ' S 19* SAND(SC) to SAND(SP) 8 112 10 8 ' TBecomes dense ' 15 30* ' 20 38 t ' z5 38* SAND Silty SAND interbeds Trace of coarse and ' 36 30-- 0 1 35 38* TBecomes gravelly, COBBLES up to 12 " 40 50/ Bottom of boring at 40 feet. No groundwater. No caving. 51. ' as ' 50 HAMMER WEIGHT: 140 lbs. PROJECT NO: FIGURE NO_ DROP: 52519 A-8 Madall, Worswk*&Assoclates,/ne. LOS ANGELES Cnn<,dr,n.. r------- SANTA ANA ■ 'Medall,Worswick&Assoclates,!nc LOS ANGELES ' w Consweng Eng,nee,s S Geciog,sts SANTA ANA BORING LOG LOp°<° Bf SWD Jalt Onllf° 9-6-85 Or•II R. °Mobile 8:53H.S.A ° O,amfltf B 11 Bd•I.p HvmOtf. ' Bt.crrolona on Inn per.np Iop aooq °nl, t, Int .o-</< od•np bcaum ana tI mt bmt Int por•np _ mtot. in• °t,drolen. ° ., by . ar _ Lt Ip p. •np,.,.nlaln. Ol,u°,•rr1aC. (°rW1.°n, a pintr bCalNn, p, 1.+.. Bormp E4na Lon Approx . 1105' BH -8 DESCRIPTION V O O 18* ALLUVIUM(Qal) 10 121 ' Medium Dense,moist,dark brown Clayey fine to medium SANO(SC) to Silty SAND(SM) ' S 10 WA (39 10* 12 �0 117 CONI 1 1S 13 WA ' TTrace of. GRAVEL (31; 20 29* Hard,moist,dark grayish brown Clayey to Sandy SILT(ML) with Silty fine SAND(SM) interbeds 1 ' zs 68 130 72/ 11" Bottom of. boring at 30 feet. No groundwater. No caving. 1 35 140- 4045 45 1 ' S0 HAMMER WEIGHT: 14O lbs. PROJECT NO.: FIGURE NO.: DROP. 30 inches - 52519 A-9 'Medall,Worswick&Assoclates,!nc LOS ANGELES ' w Consweng Eng,nee,s S Geciog,sts SANTA ANA 10—crojamiILI[e11�9-W Medall, Worswkk &Assodafes, lnc. LOS ANGELES ���' ons�rt,nq Engineers S Geo�ags:s SANTA ANA Dp'.D..ue°. 9-6-85 o,ntR11obile b-53H.S.A. a°„n,o.,m.t... 8” a.,7,�,,,n°.,: ponnp w, ...q omy at t...° A< OOnnp wx..q.M .� �.. t..n. ,...onn,... ,n.°, Th. y •,..ot orranr.G t. e. ,em<bnytn•o ec,.np et<..t.pnAPProx. 1138' BH -9 V ��DESCRIPTION a=;30 5 ALLUVIUM(Qp)Medium dense to very dense,dark brown,dry to damp Silty fine SAND(SM) with some rootlets in top 6" COM 7* Root of 1/4" in diameter at 5' 4 115 Becomes olive 10 49 II Lense of COBBLES 15 56* `� Becomes grayish brown 20 46 25 56* Clayey SILT(ML) interbeds 30 50/ Bottom of boring at 30 feet. Groundwater encountered at 5" 29 feet. Nocaving. 35 40 45 50 HAMMER WEIGHT: 140 Ibs. oaoP: 30 inches PROJECT Np.: 52519-�D FIGUV p Medall, Worswkk &Assodafes, lnc. LOS ANGELES ���' ons�rt,nq Engineers S Geo�ags:s SANTA ANA IMOT:M1►ten 1Me ' oppao BY SWD Da< Ornieo 9-6-85 0nn R.p<ier. „ Mobile B-53H.S.A 8 Bon.q Nunn oar. Osrawm on inn ad.np pp .00ry onry n m..o.d c poo..p ioc a.on ma .i m• b.Q• m• W—, _...n.a.. in. d .....,nac. ceroawQ. a em.r ,Queen. a. �w. Bor.np E4.nwn Approx. 1138' BH -10 DESCRIPTION=s� `0 0 ' 15* ALLUVIUM(Qal) 5 102 Loose to medium dense,dry to moist,dark brown 'Silty 5 8 SAND(SM),slightly porous 1 1 10 22* 11 118 ' 15 13 Becomes dark yellowish brown and grades to fine to medium coarse MA (31 PO 27* Coarse SAND lamination t 25 14 WA (20 30 41* Becomes gravelly and olive brawn Bottom of boring at 30 feet. No groundwater. No caving. 35 40 ' 45 ' So . HAMMER WE140 lbs. oaoP: 30 inches PROJECT NO.: 52519 FIGURENO- A-11 ■ I I ' Meda/l. -' I I Medall, Worswick 6 Assoclates, Inc- LOS ANGELES ' I Ca+suRmg Eng',, ers d Ge 10g.sls SANTA ANA <eu nlcr_n BORING LOG SWD 1i9-6-85 ee .ne Mobile b-53H.SA . n, 811 N SH-11 H-11 iWg.d -.eo.�e..nh<:.no•a,.e<...m.e•o<.•�•ueoi..,._,d bmc.e..e,.nn..cn•e <.o, wnan.bc.nna .•iine. newo.l. oqu_se._a • a.ems t by nn eae Approx. 132 DESCRIPTION "= - s 80 TERRACE DEPOSIT(Qt) Very dense,dry to damp,pink to reddish brown Silty SAND(SM) with GRAVEL,trace of CLAY and white oxides S 50/ ' 6" 1�0 Becomes moist with COBBLES ' PAUBA FORMATION(Qp) t5 74 Very dense,moist,light brown to grayish brown Silty SANO(SM) alternating with SAND(SP) ' Tecomes olive gray and gravelly 1zo 86* Hard,moist,olive to olive brown SILT(ML) 15 48 130 84/ 11" Very dense,moist.white to light gray SAND(SP) 1 35—><81/ 111.5' 140 501 Bottom of boring at 40 feet. No groundwater. No caving. 1 45 1 1 50 HAMMEF WEIGHT: 140 lbs.PROJECT NO.: FIGURE NO.: oaoa 30 inches 52519 A-12 -' I I Medall, Worswick 6 Assoclates, Inc- LOS ANGELES ' I Ca+suRmg Eng',, ers d Ge 10g.sls SANTA ANA <eu nlcr_n BORING LOG SWD oal.o"..I.° 9-685 o"'°Q•OMobile B-53H.S.A B`"'roo•.m"" 811 Born° �mo.r. o..crro1•M. en mq pw.n° q° aowy onq al in..p.Nt EOn.p louuw VN .I m. Lm. IM pw•p _.. m.a.. Tn• a..c.•olan. en m.. b° . nnr...n.M.a 1. e. r.o••..nla•.. a .oe.un.c. wMn.On..l em.aeUlwn. w I•m.• S*—g E',-.1-om Approx. 1221' BH -12 _ Y s [ Q e C i% 8 e ;; DESCRIPTION a_ o= S ;Y - y 15 ALLUVIUM(Qal) Stiff,dry,grayish brown Sandy SILT(ML) 5 25* 4 100 Medium dense,dry to moist,dark brown to grayish brown Silty SAND(SM), some rootlets in top 7 feet TGrades to medium coarse 0 15 Y MA — (26) Becomes light olive brown 5-1;7/7 25* 8 105 CONS 17 ( Lense of COBBLES D 13 Becomes wet 5 31* Hard,olive brown Clayey SILT(ML),trace of fine SAND(SP) 37 s 34* Very dense,light brown,fine to medium SAND(SP), trace of GRAVEL 86/ 9.1 Bottom of boring at 40 feet. Groundwater encountered at 181/2 feet. No caving. I,as I I HAMMER WEIGRT: 14O jbs. DROP: 30 inches PROJECTNO_ 52519 FIGURE -N O.: A-13 _9, r Meda11, WorSWk* & Assoclafas, 1rc— LOS ANGELES - Consulting Eng,neers d Geotogrsis SANTA ANA I 1 1 1 APPENDIX C STANDARD GRADING SPECIFICATIONS i ' STANDARD GRADING SPECIFICATIONS These specifications present the usual and minimum requirements for grading- ; ' operations performed under the control of Petra Geotechnical, Inc. No deviation from these specifications will be allowed, except where specifi- cally superseded in the preliminary geology and soils report, or in other written communication signed by the Soils Engineer or Engineering Geologist. II. SITE PREPARATION A. All vegetation and deleterious material such as rubbish shall be dis- posed of offsite. This removal shall be concluded prior to placing ' fill.. B. Soil, alluvium, or bedrock materials determined by the Soils Engineer as being unsuitable for placement in compacted fills shall be removed 7_e, I. GENERAL ' A. The Soils Engineer and Engineering Geologist are the Owner's or Builder's representative on the Project. For the purpose of these ' specifications, supervision by the Soils Engineer includes that inspection performed by any person or persons employed by, and responsible to, the licensed Civil Engineer signing the soils report. ' B. All clearing, site preparation, or earthwork performed on the project shall be conducted by the Contractor under the supervision of the Soils Engineer. C. It is.the Contractor's responsibility to prepare the ground surface to receive the fills to the satisfaction of the Soils Engineer and to place, spread, mix, water, and compact the fill, in accordance with the.specifications of the Soils Engineer. The Contractor shall also remove all material considered unsatisfactory by the Soils Engineer. =' D. It is also the Contractor's responsibility to have suitable and sufficient compaction equipment on the job site to handle the amount of fill being placed. If necessary, excavation equipment will be shut down to permit completion of compaction. Sufficient watering apparatus will also be provided by the Contractor, with due considera- tion for the fiII material, rate of placement, and time of year. E. A final report shall be issued by the Soils Engineer and Engineering Geologist attesting to the Contractor's conformance with these specifications. II. SITE PREPARATION A. All vegetation and deleterious material such as rubbish shall be dis- posed of offsite. This removal shall be concluded prior to placing ' fill.. B. Soil, alluvium, or bedrock materials determined by the Soils Engineer as being unsuitable for placement in compacted fills shall be removed 7_e, ' Standard Grading Specifications Page Two ' and wasted from the site. Any material incorporated as a part of a compacted fill must be approved by the Soils Engineer. i C. After the ground surface to receive fill has been cleared, it shall ' be scarified, disced, or bladed by the Contractor until it is uniform and free from ruts, hollows, hummocks, or other uneven features which may prevent uniform compaction. The scarified ground surface shall then be brought to optimum moisture, mixed as required, and compacted as specified. If the scarified zone ' is greater than twelve inches in depth, the excess shall be removed and placed in lifts restricted to six inches. Prior to placing fill, the ground surface to receive fill shall be inspected, tested, and approved by the Soils Engineer. D. Any underground structures such as cesspools, cisterns, mining shafts, tunnels, septic tanks, wells, pipe lines, or others are to be removed or treated in a manner prescribed by the Soils Engineer. ' E. In cut -fill transition lots and where cut lots are partially in soil, colluvium or unweathered bedrock materials, in order to provide uniform bearing conditions, the bedrock portion of the lot extending a minimum of 3 feet outside of building lines shall be overexcavated a minimum of 3 feet and replaced with compacted fill. Typical details are given on Plates SG -1. -' III. COMPACTED FILLS ' A. Any material imported or excavated on the property may be utilized in the fill, provided each material has been determined to be suitable by the Soils Engineer. Roots, tree branches, and other matter missed i during clearing shall be removed from the fill as directed by the Soils Engineer. B. Rock fragments less than six inches in diameter may be utilized in the ' fill, provided: 1. They are not placed in concentrated pockets. ' 2. There is a sufficient percentage of fine grained material to surround the rocks. 3. The distribution of rocks is supervised by the Soils Engineer. C. Rocks greater than six inches in diameter shall be taken offsite, or ' placed in accordance with the recommendations of the Soils Engineer in areas designated as suitable for rock disposal. (A typical detail for Rock Disposal is given in Plate SG -2.) - Standard Grading Specifications Page Three 1 D. Material that is spongy, subject to decay, or otherwise considered ' unsuitable shall not be used in the compacted fill. E. Representative samples of materials to be utilized as compacted fill shall be analyzed by the laboratory of the Soils Engineer to determine their physical properties. If any material other than that previously tested is encountered during grading, the appropriate analysis of this material shall be conducted by the Soils Engineer as soon as possible. F. Material used in the compacting process shall be evenly spread, watered, processed, and compacted in thin lifts not to exceed six inches in thickness to obtain a uniformly dense layer. The fill shall be placed and compacted on a horizontal plane, unless otherwise approved by the Soils Engineer. G. If the moisture content or relative density varies from that required by the Soils Engineer, the Contractor shall rework the fill until it is approved by the Soils Engineer. H. Each layer shall be compacted to 90 percent of the maximum density in compliance with the testing method specified by the controlling governmental agency. (In general, ASTM D-1557-78, the five -layer method will be used.) 0 If compaction to a lesser percentage is authorized by the controlling agency because of a specific land use or expansive soil governmental condition, the area to receive fill compacted to less than 90 percent shall either be delineated on the grading plan or appropriate reference O made to the area in the soils report. I. All fills shall be keyed and benched through all topsoil, colluvium alluvium, or creep material, into sound bedrock or firm material where ' the slope receiving fill exceeds a ratio of.five horizontal to one vertical, in accordance with the recommendations of the Soils Engineer. J. The key for side hill fills shall be a minimum of 15 feet within bedrock or firm materials, unless otherwise specified in the soils report. (See detail on Plate SG -3.) ' K. Subdrainage devices shall be constructed in compliance with the ordinances of the controlling governmental agency, or with the recommendations of the Soils Engineer or Engineering Geologist. (Typical Canyon Subdrain ' details are given in Plate SG -4. L. The contractor will be required to obtain a minimum relative compaction ' of 90 percent out to the finish slope face of fill slopes, buttresses, and stabilization fills. This may be achieved by either overbuilding the slope and cutting back to the compacted core, or by direct compaction of the slope face with suitable equipment, or by any other procedure which produces the required compaction. I 1 Standard Grading Specifications Page Three D. Material that is spongy, subject to decay, or otherwise considered unsuitable shall not be used in the compacted fill. E. Representative samples of materials to be utilized as compacted fill shall be analyzed by the laboratory of the Soils Engineer to determine their physical properties. If any material other than that previously tested is encountered during grading, the appropriate analysis of this material shall be conducted by the Soils Engineer as soon as possible. F. Material used in the compacting process shall be evenly spread, watered, processed, and compacted in thin lifts not to exceed six inches in thickness to obtain a uniformly dense layer. The fill shall be placed and compacted on a horizontal plane, unless otherwise approved by the Soils Engineer. G. If the moisture content or relative density varies from that required by the Soils Engineer, the Contractor shall rework the fill until it ' is approved by the Soils Engineer. ' H. Each layer shall be compacted to 90 percent of the maximum density in compliance with the testing method specified by the controlling governmental agency. (In general, ASTM D-1557-70 will be used, either with a 5 layer or 3 layer curve). If compaction to a lesser percentage is authorized by the controlling governmental agency because of a specific land use or expansive soil condition, the area to receive fill compacted to less than 90 percent shall either be delineated on the grading plan or appropriate reference made to the area in the soils report. ' I. All fills shall be keyed and benched through all topsoil, colluvium alluvium, or creep material, into sound bedrock or firm material where ! the slope receiving fill exceeds a ratio of five horizontal to one vertical, in accordance with the recommendations of the Soils Engineer. J. The key for side hill fills shall be a minimum of 15 feet within bedrock or firm materials, unless otherwise specified in the soils report. (See ' detail on Plate SG -3.) K. Subdrainage devices shall be constructed in compliance with the ordinances of the controlling agency, or with the recommendations of governmental the Soils Engineer or Engineering Geologist. (Typical Canyon Subdrain details are given in Plate SG -4. ' L. The contractor will be required to obtain a minimum relative compaction of 90 percent out to the finish slope face of fill slopes, buttresses, and stabilization fills. This may be achieved by either overbuilding ' the slope and cutting back to the compacted core, or by direct compaction of -the slope face with suitable equipment, or by any other procedure ' which produces the required compaction. Standard Grading Specifications Page Four ' M. All fill slopes should be planted or protected from erosion by other ' methods specified in the soils report. N. Fill -over -cut slopes shall be properly keyed through topsoil, colluvium or creep material into rock or firm materials, and the transition shall be stripped of all soil prior to placing fill. (See detail on Plate SG -7). IV. CUT SLOPES A. The Engineering Geologist shall inspect all cut slopes at vertical intervals not exceeding ten feet. B. If any conditions not anticipated in the preliminary report such as perched water, seepage, lenticular or confined strata of a potentially adverse nature, unfavorably inclined bedding, joints or fault planes encountered during grading, these conditions shall be analyzed by the ' Engineering Geologist and Soils Engineer, and recommendations shall•be made to treat these problems. (Typical details for stabilization of a portion of a cut slope are given in Plates SG -5 and SG -8.) ' C. Cut slopes that face in the same direction as the prevailing drainage shall be protected from slope wash by a non -erodible interceptor swale placed at the top of the slope. D. Unless otherwise specified in the soils and geological report, no cut slopes shall be excavated higher or steeper than that allowed by the ' ordinances of controlling governmental agencies. E. Drainage terraces shall be constructed in compliance with the ordinances of controlling governmental agencies, or with the recommendations of the Soils Engineer or Engineering Geologist. V. GRADING CONTROL A. Inspection of the fill placement shall be provided by the Soils Engineer ' during the progress of grading. B. In general, density tests should be made at intervals not exceeding ' two feet criteria of fill height or every 500 cubic yards of fill will vary depending on soil conditions and the placed. This size of the job. In any event, an adequate number of field density tests shall be made to verify that the required compaction is being achieved. ' C. Density tests should also be made on the surface material to receive fill as required by the Soils Engineer. I Standard Grading Specifications Page Five ' D. All cleanout, processed ground to receive fill, key excavations, subdrains, and rock disposals must be inspected and approved by the Soils Engineer or Engineering Geologist prior to placing any fill. ' It shall be the Contractor's responsibility to notify the Soils Engineer when such areas are ready for inspection. ' VI. CONSTRUCTION CONSIDERATIONS A. Erosion control measures, when necessary, shall be provided by the ' Contractor during grading and prior to the completion and construction of permanent drainage controls. ' B. Upon completion of grading and termination of inspections by the Soils Engineer, no further filling or excavating, including that necessary for footings, foundations, large tree wells, retaining walls, or other ' features shall be performed without the approval of the Soils Engineer or Engineering Geologist. C. Care shall be taken by the Contractor during final grading to preserve ' any berms, drainage terraces, interceptor swales, or other devices of permanent nature on or adjacent to the property. 11 1 _I GENERAL GRADING RECOMMENDATIONS CUT LOT collavil �'= Ground 3' CVereXCOYofe and 1egr06r-- Uncueofhered �drocc 3' ' CUT—FILL LOT (Transition) t o�ioino/ 3' I Compoc!ed ��� 0YereXcc✓o e rop5oa�°�� and re9�ode ' f�e(e% � Uncueofhe�ed ' 4/36 I PETRA GEOTECHNICAL, INC. PI ATF C(-1 ROCK DISPOSAL DETAIL Fc;,jshed ' I ' ' ' ' 1 1 Grode G/eon Oreo fol• four&otions� /3 t//itiesj and swimming pccds –u -- � O IQ v \ 5/ooe O 0-4L Foce /5' ��_ Sheet Windrow \ — 5' of our de�ofh of deepest of//ify trench, whichever js nreofe/: TYP/CAL WINDROW DETA/L /edoe view) Gronu/or Coi/ f/ocr.'ed o fi// voids — f/orijonPo//y P/oced - _- Go.Tpocted fi// PROF/L E V/EW :.. 4/86 j PETRA GEOTECHNICAL, INC. TYPICAL FILL ABOVE NATURAL SLOPE Finished Grade Ccrnpzzfed Fi// l � � Toe o% s/oPe os II' p shocun an grading p/on Noiuro/ %oarophy vmr I— �I- rods Bedrocr o� approved / roundotion matel-Io/ I =111 i= 21177in. /5' Mii�irnum— Gbrynslope Bose eey Wvdth ,fey Depth NOTE : Where nofu,-al slope arodienf is 5:/ or /e5s benching ie ro/ neceSSo,-y; howeVer, fit/ is not to A-- placed on compressib/e or unsuitable mater/ol 4/06 1 PETRA GEOTECHNICAL, INC. I 1 .1 i I 1 _I T YP/GAL GA/VYO/V SUBORA/N \� NGzfura/ Ground Unsu�fab�'e /�laferia/ �/ Typical Be17cI71r7f -;O: �Bedra c.e or Sae Getai/ Be/ocu GomPetenf /�/afe�la/ NOTE: Fina/ ZO f,o� ofPi�e at out/ef 5/747// be non -Perforated. OePfh and 6ed7,1;� may vary uifhP.�e and A2a-al chQ�a crf �- /S741G5 p o • o .0 e o o. o a O N o 0 l/lii711nu77 of 9 cubic- feet Fer /ii�ea/ fOOf See PIQ tG' SG -!o f C/- Fi%fei-S�ec.fi- ca7`ions_ A/terna to /i� /.'au of Fifer !.i/afe�/a/ : 9 cubic feet�� /ii2ea/ 2400l4 of Own-Giczded Gra ✓e/ e�cosed in Fi/fir Fabric. See P/Qte SG -G far Grave/ SFec�f%CQ//OiJS. Pilfer Fobr�'c sha%/be Suoac 5-P or aPpi'oved eyua/_ Oic7mefer PVC soheo'u/e 5tO> or A6S 51DC-35 t1.•il/, a 1771i71inei177 of /GFerfor472'ibn0 Pcr /ii7ea/ 7001 i,�'7 botfom hQ/f ofP.�oe. Fer Continucu5 Puns in eXcaSS of 5C0 feet use 8-�%�ch d•�'me,'er P��e 4/36 1 PETRA GEOTECHNICAL, INC. .1 ' 1 T I 1 -'I 10/36 BUTTRESS OR STABILIZATION FILL DETAIL 4 " Subdl-oin —Width v01-ies /5 ft. ruin. r —/5 ft. min--, 4" 50bd,'0117 �o 90fl / mox 5�C% j �p a fG PETRA CEOTFCHNICAL, INC. I 1 1 1 1 1 1 1 1 1 _1 1 I 1 1 1 I 1 T YP/CAL BUTT FESS Ole STAB/Lily C—/ZZ SUBo.PA/n/ Slope Face Approved filter material: 5 cubic feet per linear foot, without filter fabric, 3 cubic A l'� feet with fabric. 2% minimum 1. 4 -inch perforated pipe with — perforations down. Minimum 2% grade to outlet pipe. A L4 -inch non-perforatedPiP e. Minimum 2% grade to'outlet. Approved on site material "per Soil Engineer compacted to 90% maximum density. 4 -inch non -perforated pipe. min.' SECTION A_ -A PIPE SPECIFICATIONS 1. 4 -inch minimum diameter, PVC schedule 40, or ABS SDR -35. 2. Fiinimum.16 perforations per foot on bottom one%third,pf pipe. FILTER MATERIAL SPECIFICATIONS Class 2 Permeable Filter Material per Caltrans Standard Specification 68-1.025. Class 2 Sieve Size 1 -inch 3/4 -inch 3/8 -inch No. 4 No. 8 No. 30 No. 50 No. 200 ALTERNATE: Sieve Size 1 i -inch 1 -inch 3/4 -inch 3/8 -inch No. 200 10/86 Percent Passi 100 90-100 40-100 25-40 18-33 5-15 0-7 0-3 Open Graded Gravel encased.in.filter Fabric Open Graded Percent Passing 88-100 5-40 0-17 0-7 0-3 PETRA GEOTECHNICAL, INC. TYPICAL FILL ABOVE CUT SLOPE cu//F/Y/ shown Shown ,Pemo✓e a// topsoil, c0//uV%U/17, or creep mater/o/ from irans//ion- Natural ToPogroPhy� r r r r� rr _ r� r r rr r ' cut contact o90o / an 1.4 o l�r r ��rIeII�ePIIFi�/rjrn 4/ or S�7Go toEypMric var-ias .0edrOCA: or oppro ved ,. /5' Minimum fou�a'otKt-i matcrio/ or FL•r Soi/� n9ineer' I 1 S TAB/L /ZA T/on/ ,=/G Z ,PV17 e r7 u/n s fa b/e It//cz f e, -14Z 1 EXE osteo/ /,-7 /C701--7 4-/,0/7 of 6-c1r1- s/oPe / ` I l � Nofu/o/ To o �o rya. / Lin5f / io•T / G0177Roct2d 2 ?_ BedroG.0 or Aoo owed // � =�I� I- Foundation Maferi�c/ I/ W Subo'1-o1175 not llequi�-ed un/ess specified. 2. 'IV' Shall be equipment w,dfh (15'i for S/oPe 17el917/5 lesS 117017 3o feet FO/- S/ape heights' thou 30 feel ' I'V" Shall Be determined by the project 5oi/. ea9ineer. 4/86 PETRA GEOTECIINICAL, INC. FATE SG -8 ' APPENDIX D STABILITY CALCULATIONS FOR ' 2:1 FILL SLOPE, HEIGHT = 60 FEET �1 ' Unless Further Limitations Were Imposed, The Minimum Elevation At Which A Surface Extends Is Y = .00 ft. 10.00 ft. Line Segments Define Each Trial Failure Surface. ' J.N. 299-37 PAGE No, 1 --Slope Stability Analysis -- Simplified Janbu, Simplified Bishop or Spencer's Method of Slices ' PROBLEM DESCRIPTION 2:1 FILL SLOPE, HEIGHT = 60 FEET ' BOUNDARY COORDINATES 5 Top Boundaries 5 Total Boundaries Boundary X -Left Y -Left X -Right Y -Right Soil Type No. (ft) (ft) (ft) (ft) Below Bnd 1 .00 30.00 30.00 30.00 1 ' 2 30.00 30.00 3 90.00 60.00 90.00 96.00 60.00 60.00 1 1 4 96.00 60.00 156.00 90.00 1 5 156.00 90.00 240.00 90.00 1 ' ISOTROPIC SOIL PARAMETERS 1 Type(s) of Soil Soil Total Saturated Cohesion Friction Pore Pressure Piez. Type Unit Wt. Unit Wt. Intercept Angle Pressure Constant Surface No. (pcf) (pcf) (psf) (deg) Param. (psf) No. ' 1 135.0 135.0 100.0 34.0 .00 .0 0 A Critical Failure Surface Searching Method, Using A Random ' Technique For Generating Irregular Surfaces, Has Been Specified. 400 Trial Surfaces Have Been Generated. 20 Surfaces Initiate From Each Of 20 Points Equally Spaced Along The Ground Surface Between X = 15.00 ft. ' and X = 40.00 ft. ' Each Surface Terminates Between and X = 140.00 X = 170.00 ft. ft. ' Unless Further Limitations Were Imposed, The Minimum Elevation At Which A Surface Extends Is Y = .00 ft. 10.00 ft. Line Segments Define Each Trial Failure Surface. ' J.N. 299-37 PAGE No, 1 FolloWing Arc Displayed The Ten Must Critical Of The Trial Failure Surfaces Examined. They Are Ordered - Most Critical First. * * Safety Factors Are Calculated By The Modified Janbu Method Failure Surface Specified By 18 Coordinate Points Point X -Surf Y -Surf No. (ft) (ft) 1 26.84 30.00 2 34.64 23.73 3 44.06 20.40 4 53.30 24.24 5 62.05 29.07 6 71.52 32.29 7 80.59 36.51 8 90.53 37.54 9 99.39 42.18 10 108.35 46.62 11 118.35 46.78 12 127.44 50.95 13 136.63 54.90 14 142.22 63.19 15 149.54 70.01 16 157.12 76.53 17 160.23 86.04 18 162.41 90.00 *** 1.849 *** Failure Surface Specified By 15 Coordinate Points Point X -Surf Y -Surf No. (ft) (ft) 1 36.05 33.03 2 44.34 27.43 3 54.15 25.47 4 63.89 27.74 5 72.58 32.68 6 82.28 35.14 7 91.18 39.68 8 100.75 42.59 9 110.68 43.74 10 118.64 49.80 11 127.47 54.49 12 133.63 62.37 13 140.97 69.17 14 144.02 78.69 15 147.82 85.91 *** 1.850 *** - 17 -�3a �J ! ✓J J . N . 9 - !/ PACS vo. 2 Failure Surface Specified By 15 Coordinate PO itl is Point X -surf Y -Surf No. (ft) (ft) 1 40.00 35.00 2 48.29 29.41 3 58.10 27.45 4 67.84 29.71 5 76.53 34.65 6 86.22 37.11 7 95.13 41.66 8 104.70 44.56 9 114.63 45.71 10 122.58 51.78 11 131.42 56.47 12 137.58 64.34 13 144.91 71.14 14 147.97 80.66 15 151.77 87.88 *** 1.851 *** Failure Surface Specified By 15 Coordinate Points Point X -Surf Y -Surf No. (ft) (ft) 1 40.00 35.00 2 48.29 29.41 3 58.10 27.45 4 67.84 29.71 5 76.53 34.65 6 86.22 37.11 7 95.13 41.66 8 104.70_ 44.56 9 114.63 45.71 10 122.58 51.78 11 131.42 56.47 12 137.58 64.34 13 144.91 71.14 14 147.97 80.66 15 151.77 87.88 *** 1.851 *** f J.N. 298-37 PADS No. 3 Failure Surface Specified By 15 Coordinate Paints Point X -Surf No. (ft) 1 32.11 2 40.40 3 50.20 4 59.94 5 68.63 6 78.33 7 87.24 8 96.80 9 106.74 10 114.69 11 123.52 12 129.68 13 137.02 14 140.07 15 143.87 *** Y -Surf (ft) 31.05 25.46 23.50 25.77 30.71 33.16 37.71 40.61 41.77 47.83 52.52 60.40 67.19 76.71 83.94 Failure Surface Specified By 16 Coordinate Points Point X -Surf Y -Surf No. (ft) (ft) 1 30.79 30.39 2 40.13 33.96 3 49.62 37.11 4 59.28 39.69 5 68.52 43.52 6 77.57 47.79 7 87.22 50.42 8 97.17 49.51 9 107.17 49.14 10 116.37 53.05 11 125.47 57.19 12 134.11 62.23 13 143.48 65.72 14 151.07 72.23 15 155.20 81.34 16 159.73 90.00 *** 1.857 *** J.N. 293-87 PAGE No. 4 Failure Surface Specified By 16 Coordinate P01nt5 Point X -Surf Y -Surf No. (ft) (£t) 1 32.11 31.05 2 41.45 34.62 3 50.94 37.77 4 60.60 40.35 5 69.84 44.18 6 78.88 48.45 7 88.53 51.07 8 98.49' 50.17 9 108.48 49.79 10 117.69 53.71 11 126.79 57.85 12 135.43 62.88 13 144.80 66.38 14 152.39 72.89 15 156.51 82.00 16 160.70 90.00 *** 1.858 *** Failure Surface Specified By 16 Coordinate Points Point X -Surf Y -Surf No. (ft) (ft) 1 33.42 31.71 2 42.77 35.27 3 52.25 38.43 4 61.92 41.01 5 71.15 44.84 6 80.20 49.10 7 89.85 51.73 8 99.81 50.83 9 109.80 50.45 10 119.00 54.36 11 128.10 58.51 12 136.74 63.54 13 146.11 67.04 14 153.70 73.55 15 157.83 82.66 16 161.63 90.00 *** 1.862 *** J.N. 298-87 PA,7E N0. 5 Fallurr Surface Spcclfied 6y 16 Coordinate Point-, Point X -Surf Y -Surf No. (ft) (ft) 1 33.42 31.71 2 42.77 35.27 3 52.25 38.43 4 61.92 41.01 5 71.15 44.84 6 80.20 49.10 7 89.85 51.73 8 99.81 50.83 9 109.80 50.45 10 119.00 54.36 11 128.10 58.51 12 136.74 63.54 13 146.11 67.04 14 153.70 73.55 15 157.83 82.66 16 161.68 90.00 *** 1.862 *** Failure Surface Specified Ey 16 Coordinate Points Point X -Surf Y -Surf No. (ft) (ft) 1 34.74 32.37 2 44.08 35.93 3 53.57 39.09 4 63.23 41.67 5 72.47 45.49 6 81.51 49.76 7 91.16 52.39 8 101.12 51.49 9 111.11 51.11 10 120.32 55.02 11 129.42 59.16 12 138.06 64.20 13 147.43 67.70 14 155.02 74.21 15 159.15 83.32 16 162.65 90.00 *** 1.869 *** J.N. 290"-37 PAGE No. 6 Y A x I .; F T ' 00 30.00 60.00 90.00 120.00 150.00 ' X .00 ---------- *---------+---------+---------+---------+ 30.00 + :....* 1 . . 2 5 . . 6 3 — .....1.2..8 ..5.3.67 ' .•...•.1... 0 A 60.00 .........31. 68 ' 2...0 ............3 31. 6 . ...........23. . 60. ' ...........51.. ..35. 6 X 90.00 ......... ...1.. 7. ..............3 .6 .. .. . . ........... 536.. ...217 .. . I 120.00 35.6.. +...............127.. . — ................126..... ...35.... .............. _ ............1..152..5.. i — .............603.2.5. i' S 150.00 + ..o........16..3.2 ..816..* — .. ..........811 — . ........ — . ...o 160.00 + ' F 210.00 + ' T 240.00 + 1 J.it, 298-87 PAGE ;:u. 7 ' A Horizontal Earthquake Loading Coefficient Of .150 Has Been Assigned A vertical Earthquake Loading Coefficient Of .000 Has Been Assigned ' Cavitation Pressure = .0 psf ' Unless Further Limitations Were Imposed, The Minimum Elevation At Which A Surface Extends Is Y = .00 ft. ' 10.00 ft. Line Segments Define Each Trial Failure Surface. Following Are Displayed The Ten Most Critical Of The Trial Failure Surfaces Examined. They Are Ordered - Most Critical i, First. A Critical Failure Surface Searching Method, Using A Random Failure Surface Specified Technique For Generating Irregular Surfaces, 1 Has Been Specified. 400 Trial Point X -Surf Surfaces Have Been Generated. No. I� 20 Surfaces Initiate From Each Of 20 Points Equally Spaced 30.79 Along The Ground Surface Between _X = 15.00 ft. ' and X = 40.00 ft. 59.28 Each Surface Terminates Between X = 140.00 ft. 68.52 ' and X = 170.00 ft. ' Unless Further Limitations Were Imposed, The Minimum Elevation At Which A Surface Extends Is Y = .00 ft. ' 10.00 ft. Line Segments Define Each Trial Failure Surface. Following Are Displayed The Ten Most Critical Of The Trial Failure Surfaces Examined. They Are Ordered - Most Critical i, First. _' J.N. 298-87 PAGE No. 8 Safety Factors Are Calculated By The Modified Janbu Method Failure Surface Specified By 16 Coordinate Points 1 Point X -Surf Y -Surf No. (ft) (ft) 1 30.79 30.39 ' 2 3 40.13 49.62 33.96 37.11 4 59.28 39.69 5 68.52 43.52 ' 6 77.57 47.79 7 87.22 50.42 8 97.17 49.51 9 107.17 49.14 10 116.37 53.05 11 - 125.47 57.19 _' J.N. 298-87 PAGE No. 8 J.V. 298-87 PAG- No. 9 12 134.11 62.23 13 143.48 65.72 14 151.07 72.23 15 15.20 81.34 16 159.73 90.00 *** 1.326 *** 1 Failure Surface Specified By 16 Coordinate Points Point X -Surf Y -Surf I 1 No. (ft) (ft) 1 32.11 31.05 2 41.45 34.62 3 50.94 37.77 ' 4 60.60 40.35 5 69.84 44.18 6 78.88 48.45 ' 7 88.53 51.07 8 98.49 50.17 9 108.48 49.79 10 117.69 53.71 11 126.79 57.85 12 135.43 62.88 13 144.80 66.38 14 152.39 72.89 15 156.51 82.00 ' 16 160.70 90.00 *** 1.327 *** Failure Surface Specified By 16 Coordinate Points i L' Point X -Surf Y -Surf No. (ft) (ft) 1 I 1 33.42 31.71 2 42.77- 35.27 3 52.25 38.43 ' 4 61.92 41.01 5 71.15 44.84 6 80.20 49.10 7 89.85 51.73 ' 8 99.81 50.83 9 109.80 50.45 10 119.00 54.36 ' 11 128.10 58.51 12 136.74 63.54 13 14 146.11 153.70 67.04 73.55 15 157.83 82.66 16 161.68 90.00 *** *** 1.328 J.V. 298-87 PAG- No. 9 Fallure Surface Specified By 16 Coordinate Points Point X -Surf Y -Surf No. (ft) (ft) 1 33.42 31.71 2 42.77 35.27 3 52.25 38.43 4 61.92 41.01 5 71.15 44.84 6 80.20 49.10 7 89.85 51.73 8 99.81 50.83 9 109.80 50.45 10 119.00 54.36 11 128.10 58.51 12 136.74 63.54 13 146.11 67.04 14 153.70 73.55 15 157.83 82.66 16 161.68 90.00 *** 1.328 *** Failure Surface Specified By 15 Coordinate Points Point X -Surf Y -Surf No. (ft) (ft) 1 36.05 33.03 2 44.34 27.43 3 54.15 25.47 4 63.89 27.74 5 72.58 32.68 6 82.28 35.14 7 91.18 39.68 8 100.75 42.59 9 110.68 43.74 10 118.64 49.80 11 127.47 54.49 12 133.63 62.37 13 140.97 69.17 14 144.02 78.69 15 147.82 85.91 *** 1.328 *** 8-8 PAGE No. 10 Fallure surface Specified By 18 Coordlnatc Points Point X -Surf Y -Surf No. (ft_) (ft) 1 26.84 30.00 2 34.64 23.73 3 44.06 20.40 4 53.30 24.24 5 62.05 29.07 6 71.52 32.29 7 80.59 36.51 8 90.53 37.54 9 99.39 42.18 10 108.35 46.62 11 118.35 46.78 12 127.44 50.95 13 136.63 54.90 14 142.22 63.19 15 149.54 70.01 16 157.12 76.53 17 160.23 86.04 18 162.41 90.00 *** 1.328 *** Failure Surface Specified By 15 Coordinate Points Point X -Surf Y -Surf No. (ft) (ft) 1 32.11 31.05 2 40.40 25.46 3 50.20 23.50 4 59.94 25.77 5 68.63 30.71 6 78.33 _ 33.16 7 87.24 37.71 8 96.80 40.61 9 106.74 41.77 10 114.69 47.83- 7.8311 11 123.52 52.52 12 129.68 60.40 13 137.02 67.19 14 140.07 76.71 15 143.87 83.94 *** 1.328 *** J.N. 298-87 PAGE No. 11 Fal lure Surface Spec if led By 15 Coordir.atc Points - Point X -Surf Y -Surf No. (ft) (ft) 1 40.00 35.00 2 48.29 29.41 3 58.10 27.45 4 67.84 29.71 5 76.53 34.65 6 86.22 37.11 7 95.13 41.66 8 104.70 44.56 9 114.63 45.71 10 122.58 51.78 11 131.42 56.47 12 137.58 64.34 13 144.91 71.14 14 147.97 80.66 15 151.77 87.88 *** 1.329 *** Failure Surface Specified By 15 Coordinate Points Point X -Surf Y -Surf No. (ft) (ft) 1 40.00 35.00 2 48.29 29.41 3 58.10 27.45 4 67.84 29.71 5 76.53 34.65 6 86.22 37.11 7 95.13 41.66 8 104.70 - 44.56 9 114.63 45.71 10 122.58 51.78 11 131.42 56.47 12 137.58 64.34 13 144.91 71.14 14 147.97 80.66 15 151.77 87.88 *** 1.329 *** J.N. 298-87 PAG: No. 12 ' Failure surface specified By 16 Coordinate Points Potnt x -.Surf No: (ft) 1 34.74 2 44.08 3 53.57 4 63.23 5 72.47 6 81.51 7 91.16 8 101.12 9 111.11 10 120.32 11 129.42 12 138.06 13 147.43 14 155.02 15 159.15 16 162.65 *** 1.331 *** Y -surf (ft) 32.37 35.93 39.09 41.67 45.49 49.76 52.39 51.49 51.11 55.02 59.16 64.20 67.70 74.21 83.32 90.00 .7 .N. '98-87 gw� J�PAGE No. 13 I 1 IF PD L AN, LEGAL DESCRIFTION • i ' .,1 i 4 i, .. .. _ '/ /.. 1. 4^l'p. � ' 1', 1 / l ! ( ' _ - , \1-//�'�/ � J l \ , � / // / i f J t` , ��'`-" � i) •. .,•1 . \ \\ ` PORTION OF THET -' o i t ; 1 , , -S' / i { ,• - - � �� ./ /� \ } l / - �'o � J , \ `, \ LIT LE TEMECULA RANCHO, IN THE COUNTY OF RIVERSIDE, STATE OF CALIFORNIA ` \ 4� % �•. f i 1 ! O t \ • TH AS SHOWN BY . _ p 3 � - �. -� •• -•�, '/// /- ,_% � � � '�! I -- . •1` •�- _ \ _ - j ,�:.. E MAP OF PARTITION OF SAID ". ', - \ /, ' i � i ;- -- I'' �' __ - �' ,' L• `, _ -` ,�.' - /'' RANCHO ON FILE IN THE OFF :. :'• . ' -- _ � ', Il �/ / _ / / / h � _ _ . \1 , /' ICE OF THE COUNTY CLERK OF SANDIEGO COUNTY CALIFORNIA; 140 L: / 25 �/ 3 CLG I �?U AI9' Ar - 7' r Oa le :'N.M SOILS AND GEOLOGIC LEGEND � n Y Y o P ^ O' P �' S I % f /zoo (sQ _ N P: i;c° 4/ r ,M � L."\1 l� V � U 0 � '1 ``TT� C/ fl " a 1 � i 1 ; ' i / . tt' 3/O t o � , , , • A \ �° q^• 7 2 1 X25 \ \\ - ., ,L' _�_,... _ 2so, .`\ ;`'N� ' •�' ,1 ' - - / ,;' ;; (, �i/ _ l CT FILL O 2) S3 _ - /Y, 1� , '1 co ,'�' `% / ,/ ` o• t 1. -154 ;' �„/ •, a ... _ ,\••v S ,Y- - , f afl UNCOMPA ED C COMPACTED �� ti�tio s� o'.L \per ,�, ,, :'N o�, 'i, jh�,�b5i 0 1 ryb.• ",_- -`._ ,.`_._ /: CTED FILL ,(�7- Y p ti ,� 1, ,`.' • /�. �_ _ _ Qal ALLUVIUM; Includes Colluvium and Older Alluvium / Q \ ,Q .fAr\ �J."' p,,l / �D � ,t�p %.-V 11 ; 1 - - -- - \" �/. �>� ,.i•.' - �_ _ QSW SLOPEWASH s'1 1sl 129. iz11's 2 t TP o i 5' /1o�D /zoea _ > /2 h riasr ilial. !11 "171/.6 °t f$ 1/ \ 1 Q $ 4 Qt TERRACE DEPOSITS Q .S PAUBA FORMATION X60 f __.._.,` '/ ' 1 `" _ - — - t ''" r 20 ��`�• CONTACT (Approximate); Dotted where buried, queried where uncertain O_ � �y � I ti , r• ..._... -_ _ ..:. ........."- -�� __ b p �., TP 124 _ TP 24 ' EXPLORATORY TEST PIT TPI - - , --..... ..... �% e5 - 1 7. B-78 EXPLORATORY BORING t '` O �' TP"" -5 ' -. • O~�.��e5 e•a - G UR - al P u.o c3n6/a9) -Depth to groundwater in feet (Date of boring) U , GOLF CO "FSS – --_ 11 E -- 5 L s 11 FCO ' , • ,' -a' /- - - '---+�---••�.% l' / !---.___"`• -�`'-� --------t--- % -./may .�'~• aQ' ESTIMATED DEPTH OF REMOVAL (feet) 1 SD —.� RECOMMENDED CANYON SUBDRAIN '7 - - - 862 _ a^J a' 1 / - ��II - " � 1 • 2>f --' �/ '/ _ ,80 _ 'x.34• 1 \,'- --c- - ---- 4 -4 : `VGM�I:,- �---� _ I � \ '�' ,1 !-" �l?3�.p_ �9sse` i H " � a ,4 `'� "� 70 `�' •�\t {Lut•-11+\\ `� __.. 3 °T 6,\� jg.5 - „ N e \ PREVIOUS BORINGS BY OTHERS JP -9 ' 7 •� .\ ;?�5 1t4?. A N. _.... ^ 0 6 BORING BY MEDALL WORSWICK [[7 ` sn' /zo/ /1i3o; i rtlr 4 6e " _ \ ti ` itso" - BORING BY LEIGHTON )a) �- �. - o _ " � TP -11 0 °' + � - - _----=� '.,; f m � � � "$ ° y 1 R � - ,� - B 1 2 \\, /� _ /3? i• t\ B-1 BORING BY PACIFIC SOIL -- — S ` 1 B-78 ��' �� o � h /26 � 0 2 r o c� i - \ g p5 s - a � � � � \ s• t �� � � � '•' � � " �-� - � � C, _- • 1 O ti , , / °,, .-,� ` � 0 � r � O _ \ ` \ / /- . %�i (, LL4 . / t - 9✓ ' ; \ a Q 7D' '. ��0�✓ \ _ NAL \ - I�� �j �� .\ i /�/ '` 6-4 9 - 2 L� .. \t ` / O `Q �. 1 -- h � � , , � 'L°7� \1 -.�t• � ► {•, c • ��•i. •�i� ~gyp � � ( 1 .` j �� — � � / \ �� �� • • \ `Y � _/� '� � B _4. w � 1 de '. o "4 .,_ 12 ., \ � o n � •� �� •''/,, ✓ ,o °o• \ I 1 I� _ � . - O 1 p, � ;� \ lA .g,"p` .`s••� 1 1/'i6:9 a° _ o V I I _ i -' . \ � -2 ° , ' b :� ` \\ N .,/ •� — ;� ` a� .O �' a / =o ,` o ;1 I I ,\� i 1 �P'�S 1 QQ4 ' r� - 1 TP -1 7'_a / ¢_s O �14R � 'L"e W �_ `v, i. o / v � i30I � �•� �$ � 22 \7 11,- N �, � P. . ;r <. �, _ TP -118 W o � _.� � ° - _ _ _ .1 h 1 • . J _ ;D C) 0)fig •Z �� . � � `, ' - 3 - � i'P-200 °{ . /��r > _ fir ° � 1 ( -. - _ .- li6n - I 0!^'.. .0`. w- - •\ o o J 1 3 �S�%` ,�( O �i0, ° /,�G':\0 ,,II�� . `I I ter. B-7 02/1/87) .. y` t� � \ A •" /` i� ^' '� I , 1 ` _ - - i SID ; ,Yl /f '� � � )° I o •L+,� 17�y 1 t A al/ mos / S ��.! !t ! /}/I ° ,�Ca/ °3f /r°3,f /�'° /f � ° / 6v , : ', / \ � +9¢ I r, io TP —94 h'`''h 5 r •v \ti°° ) 90+ ., ��(o Q ` , , N, vi 1 a " I /5 ' l5/ R 1 `5: /sp is 66' h REVISIONS DATE NO. DESCRIPT/ON ///28/66 ks ADDED 66'COL(ECTOR STREET �B'LOTS ///29/63 ® CHANGED TO 66'COLLEC7-OR 2/23/88 3 MOPED /NTERSEL'T/O/V 3//7/86 a ADD PARK•5/7E RENZ11V5F ' :OTS DEVELOPtR O1NER GREAT AMERICAN DEVELOPMENT COMPANY 28910 RANCHO CALIFORNIA ROAD SUITE 204 TEMECULA, CA. 92390 1-714- -3606 BY: JI - GENERAL NOTES THOMAS BROS. COORD: 126 - A-61 B-61 C-6, D-6, E-6 136- B-6, C-6, D-6, E-6 PROPOSED USE: RES./ SCHOOL / OPEN SPACE EXISTING ZONING: R - R PROPOSED ZONING, 5 - P EXISTING USE : VACANT TOTAL S.F. LOTS: 446 TOTAL OPEN SPACE LOT:I TOTAL SCHOOL LOT I TOTAL ACRES = 206. 5 AC t TOTAL PAVED AREA: 16 ACf TOTAL PARK SITE: I MINIMUM LOT SIZE: 5000 SQ. FT. DENSITY: 2.2 DU/ AC. UTILITIES'. SEWER: E. M.W.D. WATER: R.C.W.D. GAS SO. CALIF. GAS ELECTRIC 7 SO. CALIF. EDISON TELEPHONE: GENERAL TELEPHONE A. P. N. 926-160-005 926-160-005 926 - 150 -00T_ 926- 190- 001 926- 200- 005 917 - 310- 001,002,003 LEGEND • O INDICATES STREET LIGHT LOCATION NOTE THIS MAP CONTAINS ALL CONTIGOUS OWNERSHIP J-- � r - '•_ :: - � .1 P - 2 1-� � s/ s s . s D' 1,' - , - ti° � =' � Y `^ -- 1° TP -95 - u -- - -- ,, L-- - 3 QP 4 N a 7; psev` u:. s //1!v 0 - I TP —19 6 Qal ----—.96 —203` At AFAHILI •''� `,•;� 1� ss' SD I \,., ss , S I 1 ( � . 7 I ,•` `s= '° „• i u/r ; t //etv 7isFr //� /.s /yr I - ,kl IQ Si r` Ba 1� lr O 24� �. h / _HEE I /SHEET //s�.s l/ 1 P-198 e` 6 32 23 �35�, 5 6 u800f 111A k'O'Oo Z`��-� / B-'3 I SII 3.f� 3S' sf� t `� ..�,!' I S' _ d_ ` I/ J t /,C Qal _ 3 - _ `__`• _til \ i \ pl - /. _ TP -204 i/s B-38 - P-191- al- n P 194 '- (193 \���� 4 �� / v f - — - ^- 6 TP / a _ . 197 -TP 195 1 u / f/ S D "-_ A ..1 �{.f �_ _ _! "� _� _ — — -- -- - — - - • of ] �ti P '� ; -O E F�-- 4 i O - _-- ,r—i l 6AAINTENANCE EASEMENT 11 MAINTENANCE EASEMENT `` — o. R/111 —A/H/- --' \ ��- N D j R!w — 'R/w -- --- -- --- Qal�- f 30 , JO 32' \ 3y \ \ 50' S0 1o'/12 �o'/i8 0' to' 70 1 4% 6' ['/7' 12'/11 12'[' [' [ 12' 12' 72' 12' [' 9 aI' aI' a _ a' 8 2 14 7 7 I4 12 B 5 4T .7 sx 1.s ,.1c 1 1 � t �- ',, •1 Petra Geotechnical, � o Inc. STREET SECT/ON - ( STREET SECT/ON GEOTECHNICAL MAP - 1 \ '" WOLF . VALLEY LOOP ROAD STREET SECT;ON WOLF VALLEY . ROAD 11 SCALE o CONSTRUCTED BY A. D. NO. /59 /N TER/OR S TREE TS CONSTRUCTED BY A.D. NO. /593/4 � � � �� Q\ �� � � o � � Q � � � � � � c� o J.N. 298-87 •APRIL, 1989 PLATE 23064-1 Vicinity Map tr�S t,=� Ir L�C�OFOU: CENC OH[E[EE3O2O M 07700 r-n(M =r Min[aC�`� �MO='� U1'10 9 &45�J FY DEQ[ D AREA 29A3 o �7 . J-1 ,;__ A [D ° DD�° E OD�Q -. TP .131 2 3 LEGAL DESCRIPTION 8E/NG A OwslON Of THAT PO,PT/ON OF T/1E ,e,4NCH0 TE/DIECULA /At TflE 6011M7 -Y01 R/j1Ek'S/DE, 5TATE OF CAC/FOe/V/A A5 PER NAP RECORDED /N BOOK /3 PAGE 60/ OF MAPS IN THE Off/CE \ -/ � 6;-� \ ` ��- I Jolr r115 COUNTY CAL/FO NJARDER OF SAN D/EGO ......� 112U 4a Qp /; /• ` \ ` \~\ \�\ ` �" r / ///' r ,' - �� \ S,� ��p TP -225 J:' \�`• , ( /2�, i . .\ � � \ � ,y, 2p/ as - r - Pa" w `QO ps ' So- /� \_ -tom . �• /� \ a5 -Z . �- s s \ v O O p r _ �,Ji;l /1'd'--• 'r . /.9 ij T SHEQal yE— O ` '1 � • � •� `\ ' , •1 /�'' \ ��•'-_• ` _ ; \ L'30� i ,111 / i �• '�_....` - - _ i /' /./ �__. .B9-" , `� ' .ojJ - - � � `� ,/ ter' ! Q9• /x.56- I • SSS �y p `� , .. P -216 -�N �7(ps , ( rr sT l '+Q ? ' '\ +S\�, / /jj4 0 /� �J r TP -235 J✓�v ,N / / C� �\ t / �FCO��ij/ \ 1�I �'a�• aI \�a TP -236, ,` � :/ , r moi' '' � I / � V ��i/. .\ / c // / / ' / c �• �� � � - Q \` � ` - ` -'` 'J l 1 \ , , • ' A p ! (// f 816 1i •'\,,. 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Petra Geotechnical, Inc. 1 GEOTECHNICAL MAP SEE PLATE 23064-1 FOR LEGEND 'J.N. 298-87 APRIL( 1989 PLATE 23065-1 ��o�� moo, �D�rcw������a D��a�o�o��o� ����Doe ����e���i�o�� ■ REV/5/ONS DATE NO. DESCR/PT/ON 4-96 A00 50' BARRIER .<7R1P ALONG SOl/TH aC.'; : CHANGE LOT 'NO'S. 5-99 REIt/SE P4L4 RO W10r1l ADO ODEA/ SPACE LOTS 67 LOTS , REMOVED PkL'Po iJ PECf/,4NG4 RO. DEVELOPER OWNER GREAT AMERICAN DEVELOPMENT COMPANY 28910 RANCHO CALIFORNIA ROAD SUITE 204 TEMECULA , CA. 92390 1.714 ?9-3606 , BY: /1fi , , j.. (. GENERAL_NOTES THOMAS BROS, COORD 126 - A-6, B-6, C-6, D-6, E-6 136- B-6, C -6,D -6,E-6 PROPOSED USE: RES./ COMMERCIAL, MULTI - FAMILY• EXISTING ZONING R -R_ _ _ __- PROPOSED ZONING: S -P EXISTING USE' VACANT TOTAL PARK SITE 3 TOTAL S.F.D.D. LOTS ; 808 TOTAL MULTI. FAMILY LOTt 4 TOTAL ACRES : 224 AC. -L TJTAL OPEN SPACE LOTS I TOTAL COMMERCIAL LOT: 2 TOTAL PAVED AREA 23 AC. f MINIMUM LOT SIZE: 4,400 SO. FT. UTILITIES: SEWER: E. M W.D. WATER: R.C.W.D. GAS, SO.CALIF, GAS CO. ELECTRIC, SO. CALIF. EDISON TELEPHONE,GENERQL TELEPHONE A . P. N. 926- 180 - 005,926 - 190- 001 926- 160 - Q2?_�- K -007 --- - - 926- 200-035.038,042 9 043 926- 430-004,006 916 - 3 8 0-001 — 012 926- 420-002, 004,005,006 81007 926-350- 004 - 014 926-200- 005, 006 LEGEND O-- STREET LIGHT LOCATION NOTE THIS MAP CONTAINS ALL CONTIGUOUS OWNERSHIP Yom" ✓•I ., er p 0 SAN JACINTO PEhR-S HEMET ALBERMILL n (•^'�a wINCnESTER Va( C, SQA jh: G ci _w_wri���wNW�'��:::-'::?.16N�'.C�-•o_o���l�IEi�.wiMTu'_-"'='-"; �Proiect Site CAMP PENDLETON— r RAINBOW , `• iFALLBROOK ' 1 Ie :1 PAUMA VALLEY t NTA.TIVE TRACT L A N N m G A IR -1 E A R (191�1) AND Dl -,A MAU"E, _FP'LAN UnAD u u-x\- LEGAL DESCRIPTION PORTION OF THE LITTLE TEMECULA RANCHO, IN THE COUNTY OF RIVERSIDE, STATE OF CALIFORNIA AS SHOWN BY THE MAP OF PARTITION OF SAID RANCHO ON FILE IN THE OFFICE OF THE COUNTY CLERK OF SAN DIEGO COUNTY, CALIFORNIA; SO 0 STEFFEY A.O• - 926-170-002 -- — \Qps N � SS• 75 5s', 55?mss Qa' �o1P' _ 740 J - �° - --- --- -- -- -- SO o �D B \ 56 , / X32 h32 3c x.326 X325 °324 b323 322 �32/ N 36 335 _ 344 33 h332 x.33/ 330 ti t_ 1 / '�b • j '? '6 �� Qe I 11! B - 5 5 % / 5 ' 1239 -6 1140.5 1241-5 /ZaZS /144.0 /145.0 1746 0 1241. (4 a' /14 5 /?50 5 /252 0 /252 /25? 5 /2sz o � � 1 � � leo � C�� o U � / i \p\ /� N 'I i _. / • .o � \ o -w 3��• �J'.' f 123 5 1 ss� SO • 50 o SS' SO' SJ' � 4 • .Q _ 6 d \\ . `\\ o i3c 1\55 I( y N ups ° N IA/GLEN SD Qps I % Q u r r O� I v ti I 1 I \ �\ \``` O�% / / 8Ig6tr 0 4�37. . \ I1 I /16a/p 1►/13 J I . ss .\so, -1 Qa' `T IY3B5 /X 39.6 /?a05 /7410 /1a30 1 44 1fi2 0/13 3 0, 575 h/151 /252/ 140 IS NF 27 /28 /29 5/jKO 349 tvd �-,--- .? i c' I ✓7190 9 of 1 of Y- �'' S • j1j., i2�\ _ - - _ �. �� J?6C 1 '\ - O • yrs �J / p Q ZA/�N - s =� V /7i .0 / I /14.0 /137 If4d� IY 1.. 7;. i (1�W O ��Z 13 1 i F5 25G X151 `�i2ao�� - _ - / S , 110 Q` 3 ao s' s_ m STREE- /5 ,rC" \ / 1 �2 \ STP_ -161 9a`� _y TP -158 ❑ ' J I /QpS .' I /?425 /?390 I/1� I ss' so- ss 8-54 �R:iaoO' Z�. `Y / ! _ r�` 1 \ Q,P E N S PA__C� �i- I I 60 I/?33.0 6 V Q O - r h e I /// i' //2 Ib I, 113/5 /?P95 jp 0 iS' y�0 i '-� a,, r - i r �� Ie//3 I //4 /70 34.0 0 l / _ Q \ �i . 3$9 7205'.t - - t SD �� ,) \ n D — S TP7160 sCF� Q nS Is, Ij I •` 1 .� \ 1 �/ - ' TP -156 s �5; x2600 /ao' --� /?sao /?s' x/08 $ CJ7 N _ a0 6 yg 0 0' 1 as Bs 'lsio °106 0/05 a/ ,� /1591 o /� 1 I s al --- f3�r '� �\ IE' I Y • 70 6O' j1_ SD,- .oCU /Z6 -' T 0 a 57J�811-490 59esV glf/E�'N-R1W I R/W i R/WTpS279 60'P3 64 - % 60 IN ' _ '- 70 30 - 33' 117 1o/Iz 10' 22' 20IE20' _ - i 12'/ I I 12* e' a 4' S' 6' 10' 12' l� -� \ o `\ \ •' - h/ -- ti ,. 2 93 1 I /eco 1 95 M; PPs- so --- m / I o 96 Qal \ % T --- \ i l - M ` o • 37' 1249 _ 6 12 �' :` / SD `� I '\ r /! / I % / / \. N N N h;4 Z� _ :/ 3 � � I 70 h .•� ^ - Q (� -' •�til / /�BO -i / i ' n. E � kl1"0 TP - 13 al 60 (IS �� '_ /�)�/15 70 /_➢3 63 '� '. `- ' \ / I Ii41f ` 6/.5` /7Jo7f /?1i6gy•� 6�^I 6I6�h0\b 63 62TP-155 Z 4I ' I T SEC TION STREETSTREE 7 4 O 69 � V/ V r 4'MA\4MAINTENANCE T3 7ZEASEMENT INTENANCE EASEMENT IN STREETS CHOATE r ° 150 , 1 �\ O '\CJ R/W R/W �ll . r� Ssy°`� 603 I ) �` • Q a e' 4rPg- SHADY 6 / 32* �Q TP -140 I I eo' EE Bo. - - —— 12' 12 12 a' 6 6' C 1 I I 1 , o SS J5 53 L— o b _ , / _ - i' 12' - !2?5� \ � \ 0 I iJ ' r , ��-� /?0 .� ?99• J194S /195.0 /194.5 tP97s4 Iffo 3�0 / SJ• � � d9 _ hh ! � . � ., 1. - _ -525SG� ! ! �i r 1 \ 1Q�/?' 0 45 46 4�' 8 4B `49. 50 a 3p?S /b� " J '' p`'� B , S J ,3 3 t� 5 , X111. - ,1 's2- o, o a 1.5x 5% 113 ! a\ ? \ 1 �` /r0' - 1 \ o a 54' '�0 30 13p5: - o, \ / r E )TP -141 0 3b _ 31 \ \� ,\\` , \ \� \ ,. \` - o- 0 5JO'�ss 57 r w • rt _s Tc �.� a" ` 5 6 ` \\\\ \ //-j .i J�I /�1�', I t ( -142 0 1130- ` `` 1` % 'TP -143/ 213 45 Qa� \\, ` STREET SECT/ON ----- - \ / AA / y .0-�/1%' .`JS ACE �,\ - _ �IJ�/-- --- ' - _ I/A/`Un O/1 w lL ._ L'l_- !.[1[•.[�r\..1 •!l��r-. � CONSTRUCTED BY A.D. NO. /59 360 --If - - -- 7601 --� >�- 926-200-'OOfi ! __rf '/�� �I ► I I i / I II' MAINTENANCE EASEMENT 11 MAINTENANCE EASEMENT TEMEGULA RANCHOS - - ,• - F 1 100 7 14 12 B 5 4 1 14 12 7 Qj STREET SECTION WOLF VALLEY loop a BUTTERFIELD STAGE ROAD CONS TPUCTED BY A. D. N0. /59 _ I sn-fl[F �[F=T K" R I.�© ��V � ��r,�c�Mo ��ac or�ac� ��� _ o �rr���� ���f��r�� ��o�c-� �o ED RE VI S /DNS DATE , ll I DE-SCRIPT/ON SO 0 STEFFEY A.O• - 926-170-002 -- — \Qps N � SS• 75 5s', 55?mss Qa' �o1P' _ 740 J - �° - --- --- -- -- -- SO o �D B \ 56 , / X32 h32 3c x.326 X325 °324 b323 322 �32/ N 36 335 _ 344 33 h332 x.33/ 330 ti t_ 1 / '�b • j '? '6 �� Qe I 11! B - 5 5 % / 5 ' 1239 -6 1140.5 1241-5 /ZaZS /144.0 /145.0 1746 0 1241. (4 a' /14 5 /?50 5 /252 0 /252 /25? 5 /2sz o � � 1 � � leo � C�� o U � / i \p\ /� N 'I i _. / • .o � \ o -w 3��• �J'.' f 123 5 1 ss� SO • 50 o SS' SO' SJ' � 4 • .Q _ 6 d \\ . `\\ o i3c 1\55 I( y N ups ° N IA/GLEN SD Qps I % Q u r r O� I v ti I 1 I \ �\ \``` O�% / / 8Ig6tr 0 4�37. . \ I1 I /16a/p 1►/13 J I . ss .\so, -1 Qa' `T IY3B5 /X 39.6 /?a05 /7410 /1a30 1 44 1fi2 0/13 3 0, 575 h/151 /252/ 140 IS NF 27 /28 /29 5/jKO 349 tvd �-,--- .? i c' I ✓7190 9 of 1 of Y- �'' S • j1j., i2�\ _ - - _ �. �� J?6C 1 '\ - O • yrs �J / p Q ZA/�N - s =� V /7i .0 / I /14.0 /137 If4d� IY 1.. 7;. i (1�W O ��Z 13 1 i F5 25G X151 `�i2ao�� - _ - / S , 110 Q` 3 ao s' s_ m STREE- /5 ,rC" \ / 1 �2 \ STP_ -161 9a`� _y TP -158 ❑ ' J I /QpS .' I /?425 /?390 I/1� I ss' so- ss 8-54 �R:iaoO' Z�. `Y / ! _ r�` 1 \ Q,P E N S PA__C� �i- I I 60 I/?33.0 6 V Q O - r h e I /// i' //2 Ib I, 113/5 /?P95 jp 0 iS' y�0 i '-� a,, r - i r �� Ie//3 I //4 /70 34.0 0 l / _ Q \ �i . 3$9 7205'.t - - t SD �� ,) \ n D — S TP7160 sCF� Q nS Is, Ij I •` 1 .� \ 1 �/ - ' TP -156 s �5; x2600 /ao' --� /?sao /?s' x/08 $ CJ7 N _ a0 6 yg 0 0' 1 as Bs 'lsio °106 0/05 a/ ,� /1591 o /� 1 I s al --- f3�r '� �\ IE' I Y • 70 6O' j1_ SD,- .oCU /Z6 -' T 0 a 57J�811-490 59esV glf/E�'N-R1W I R/W i R/WTpS279 60'P3 64 - % 60 IN ' _ '- 70 30 - 33' 117 1o/Iz 10' 22' 20IE20' _ - i 12'/ I I 12* e' a 4' S' 6' 10' 12' l� -� \ o `\ \ •' - h/ -- ti ,. 2 93 1 I /eco 1 95 M; PPs- so --- m / I o 96 Qal \ % T --- \ i l - M ` o • 37' 1249 _ 6 12 �' :` / SD `� I '\ r /! / I % / / \. N N N h;4 Z� _ :/ 3 � � I 70 h .•� ^ - Q (� -' •�til / /�BO -i / i ' n. E � kl1"0 TP - 13 al 60 (IS �� '_ /�)�/15 70 /_➢3 63 '� '. `- ' \ / I Ii41f ` 6/.5` /7Jo7f /?1i6gy•� 6�^I 6I6�h0\b 63 62TP-155 Z 4I ' I T SEC TION STREETSTREE 7 4 O 69 � V/ V r 4'MA\4MAINTENANCE T3 7ZEASEMENT INTENANCE EASEMENT IN STREETS CHOATE r ° 150 , 1 �\ O '\CJ R/W R/W �ll . r� Ssy°`� 603 I ) �` • Q a e' 4rPg- SHADY 6 / 32* �Q TP -140 I I eo' EE Bo. - - —— 12' 12 12 a' 6 6' C 1 I I 1 , o SS J5 53 L— o b _ , / _ - i' 12' - !2?5� \ � \ 0 I iJ ' r , ��-� /?0 .� ?99• J194S /195.0 /194.5 tP97s4 Iffo 3�0 / SJ• � � d9 _ hh ! � . � ., 1. - _ -525SG� ! ! �i r 1 \ 1Q�/?' 0 45 46 4�' 8 4B `49. 50 a 3p?S /b� " J '' p`'� B , S J ,3 3 t� 5 , X111. - ,1 's2- o, o a 1.5x 5% 113 ! a\ ? \ 1 �` /r0' - 1 \ o a 54' '�0 30 13p5: - o, \ / r E )TP -141 0 3b _ 31 \ \� ,\\` , \ \� \ ,. \` - o- 0 5JO'�ss 57 r w • rt _s Tc �.� a" ` 5 6 ` \\\\ \ //-j .i J�I /�1�', I t ( -142 0 1130- ` `` 1` % 'TP -143/ 213 45 Qa� \\, ` STREET SECT/ON ----- - \ / AA / y .0-�/1%' .`JS ACE �,\ - _ �IJ�/-- --- ' - _ I/A/`Un O/1 w lL ._ L'l_- !.[1[•.[�r\..1 •!l��r-. � CONSTRUCTED BY A.D. NO. /59 360 --If - - -- 7601 --� >�- 926-200-'OOfi ! __rf '/�� �I ► I I i / I II' MAINTENANCE EASEMENT 11 MAINTENANCE EASEMENT TEMEGULA RANCHOS - - ,• - F 1 100 7 14 12 B 5 4 1 14 12 7 Qj STREET SECTION WOLF VALLEY loop a BUTTERFIELD STAGE ROAD CONS TPUCTED BY A. D. N0. /59 _ I sn-fl[F �[F=T K" R I.�© ��V � ��r,�c�Mo ��ac or�ac� ��� _ o �rr���� ���f��r�� ��o�c-� �o ED RE VI S /DNS DATE NO. DE-SCRIPT/ON 1/29/68 U CHANGED �, RAD/US FROM 900'/-0 550' 190 - 001 926- 200- 005 917- 310-001,002,003 DEVELOPER OWNER GREAT AMERICAN DEVELOPMENT COMPANY. �r 28910 RANCHO CALIFORNIA ROAD / SUITE 204 TEMECULA , CA. 92390 ' 1714 - 49,8 - 3606 BY: I GENERAL NOTE THOMAS BROS. COORD: 126-A-6, B-6, C-6, D-6, E-6 136- B-6, C -6,D-6, E-6 I PROPOSED USE: RES./ SCHOOL/ COMMERCIAL /MULTI FAMILY 1 t EXISTING ZONING: R -R i PROPOSED ZONING: S -P - -- - , r TOTAL S F.D.D LOTS 351 TOTAL MULTI. FAMILY LOT 5 TOTAL ACRES 247 AC 1 TOTAL SCHOOL LOT cv TOTAL OPEN SPACE LOT 3 TOTAL PAVED AREA: 14 ACRES R/W 6 6' _ 3 3' 12• ,0' 6 5' 1 5•L I SY SECTION S TREE FEZ Q:u �LGa . C:G%L 0FZOnM0z% SMMa)( Z// Cj-Z/CE- clp,�O� 1� Lfz� I MINI MUM LOT SIZE: 5000 SO. FT. DENSITY: UTILITIES SEWER E. M.W.D. WATER- R.C.W.D. GAS, SO. CALIF. GAS ELECTRIC: SO. CALIF. EDISON TELEPHONE- GENERAL TELEPHONE A. P. N. 926-180-005 / 926- 160 -005 - yLb-IJU-UU( 926 - 190 - 001 926- 200- 005 917- 310-001,002,003 LEGEND_ O-- STREET LIGHT LI -CATION NOTE THIS MAP CONTAINS ALL COTIGUOUS OWNERSHIP U.l Mw1nfK$ U•f Rf RR,y /y SAN JACINTO L PERRIS ALBERt/1LL� / UN.ph vfi CITY UKf E�SiNORE \f, 7 WINCHESTER uKf s.INNE.l e N ......... ........— o••N••N.NNN•.N•Y 1••N•NN•NNUN•NN••NNN• iwLCC.:: oa wigw*vmt71'yFtN 7• •Pt i,A1•S!t!�ti=+ 'Ne N....... N•••N•••••••••1••••N•••• •NNN••••••mn .....• 00 •.- •�•yM��N�iiuiiiiiiiN. • ••� •iii •• .as N..�•N••.�.'wi•N�•u��ii�i••L��/�Y _ • •ONNNNNN _�• NN•N wwI • so 01411,41 r•=•euwii••q�wiiiii J �..Nr •r iL••••No AMP PENDLETON (� /FALLEIROOK Uhlllt LAKE�r I V i / �• `� PAUMA VALLEY SEE PLATE 064-1 FOR L END 23 Petra Geotechnical, Inc. GEOTECHNICAL MAP '30 && Is. Z 2,�;, o cc;P7— I ' 8; LEGAL DESCRIPTION W W PORTION OF THE LITTLE TEMECULA RANCHO, IN THE COUNTY OF RIVERSIDE, STATE OF CALIFORNIA •- , AS SHOWN BY THE MAP OF PARTITION OF SAID ' 926-170-002 RANCHO ON FILE IN THE OFFICE OF THE COUNTY CLERK OF SAN DIEGO COUNTY, CALIFORNIA; FFEY A.O. Qal 926-170-802--- ,- , �_-- 3 ---,_.� W T r-148 \\ TEFFEY A,OrSCVVR ANO EMENr - I _-- B6 E E R _ Irl \ a0� E / / 4 \ 1210` l _ — - - - l ' \` ., A c� �?r--;,Fc—�� ,/TP -15 v �a-' ={ a off/\ TP -152 T —153:.. + �� so " e p;�i __� I - sD nbo TP -154 9 328 32 ' 3WA LIS �d6 � 4 4 0 I \ 4 s Jo, h ? p �° 6 5 � #, `Y6 � hi \ I `/-/� e ,� '� �I�?0' �\ � i jn •'i 1041 �� l �11,� \ o ID �Y' s � ` N /�TP-149 T' -4•ss'�- /s. -O l\ �` I\' ''T �,4 ` \O'`�8- Fl O � jiB�7I/�� �9 4 /�/ �'" I .,` . 3- �3 P O '/`9? �%/ 41 - c I`Q \ m .. •1 x �'S FA\$'�_.. I F' 'PpD.s°h ! �¢'t1 `ir l/` Q 33 � ,/ O �'- � �P_ g �, ':� � /� •�•_ �b � ti 4/ / t7, � /o ' � b. h ' - o /\\ � \q. // 1� / � '. 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D. NO. 159 ICE V o QAhfl9:aQ_5) PACOFOE rEM(MO EKSMOM0 o 077 (0 FQohov M=irnm1a=u1 Mwo7m !Nm TEmrg�(=Ur� _77= C, o( Ll�� O 5% r a i O (p co �c! \\ 31Itlz-°� , t `+I to \ I c J R '�_ R/W �— y, 4 44., -/ 30 ,- -- 9 6 32 - 10'/12 _-- 20' IS 20' 2' 2'.i 12' 12', 8 6' G' 4'/ 6 8'/ 7 12'/Il 12' STREP SECT/ON \ WOLF ALLEY ROAD\\ _ \ \\ '\\\.S_TREE� Si�6TION, CONSTRUCTED BY A.D. NO.159INTER/OR STREETS 1I r WOLF VALLEY LOOP h ;'SEE PLATE 23064-1 FOR LEGEND % REV/S/ONS DATE NO_ /SCRIPT/ON //23!,9,5 Q/ REMOVi-5 / REE7','ADDED 2 LOT5 //29/88 Q MOVED l'/ RS6C'WIV WEST; L 0 5 T / L 0 T //29/88 ® ADDF/ INTERSECTION 4' / LOT 6123 99 _ 4 AD' D I? RADIUS 7//4/4B 1 kV/6ED 57 AND PENUMBE,P LOTS UVELOPER OWNER GREAT AMERICAN DEVELOPMENT COMPANY 28910 RANCHO CALIFORNIA ROAD SUITE 204 TEMECULA, CA. 92390 1-714- §99 - 3606 BY: GENERAL NOTES THOMAS BROS. COORD: 126 - A-61 B-6, C-6, D -61 E-6 136- B-6, C-61 D-62 E-6 PROPOSED USE: RES./ MULTI FAMILY/OFEN SPACE EXISTING ZONING, R -R PROPOSED ZONING: S -P EXISTING USE: VACANT TOTAL S.F. LOTS: 514 TOTAL MULTI. FAMILY LOT: I TOTAL OPEN SPAC LOT: 3 TOTAL ACRES : 233 Ac, f TOTAL PAVED AREA: 22 Ac_ f MINIMUM LOT SIZE: 5000 SQ. FT. DENSITY: 2.3 D U / ACRE UTILITIES: SEWER: E. M.W. D. WATER: R.C. W. D. GAS: SO. CALIF. G " S CC. ELECTRIC: SO. CALIF. EDISON TELEPHONE: GENERAL ,ELEPHONE A. P. N. 926-180-005 926-160 -005 926-150 —007 - - 926- 190-001 926-200 -005 917 - 310 - 001, 002,003 LEGEND O-- STREET LIGHT NOTE THIS MAP CONTAINS ALL. COTIGUOUS OWNERSHIP LAKE MATHEWS ALBERHILL PERRIS CAMP PENDLETON 3 Vicinity Map SAN JACINTO HEMET R Project- Site__ PAUMA VALLEY 76 IZ::L 3 0 (v sc z%�=m V, uODy SIHEET NO, 2 • 1�. 1JJ7 �^- J Js B-44 ` T P [P'L ANHOf`� TP .22.51 0 ;MmmEL PA;mmkill bl I Nek LGW� t � I 1 97-070-004 a USA 917 • ,+A q a /116* : N0.23065 b �IJ. 7 sc z%�=m V, uODy SIHEET NO, 2 • 1�. 1JJ7 �^- J Js B-44 ` T P [P'L ANHOf`� TP .22.51 0 ;MmmEL PA;mmkill bl I Nek LGW� t � I 1 97-070-004 a USA 917 • ,+A q a /116* : / p 01 \ .gyp. SEE PLATE 23064-1 FOR LEGEND. Petra Geotechnical, Inc. I GEOTECHNICAL MAP --wrje,7 3o/e - sm Gs G6 6 J.N. 298-87 1 APRIL, 1989 PLATE 23065-2 �0�0� C�G�C��CI�JC�C��OLi�C� o ����� (�G�Ol�l�r ������ ������ •(IvJOO � �C� 11��M�� C�Q[����/G�[�]�� 9c����0� 6 �77�`--v'�CC� U �`--J��Oc�`--t,• �I i N0.23065 / p 01 \ .gyp. SEE PLATE 23064-1 FOR LEGEND. Petra Geotechnical, Inc. I GEOTECHNICAL MAP --wrje,7 3o/e - sm Gs G6 6 J.N. 298-87 1 APRIL, 1989 PLATE 23065-2 �0�0� C�G�C��CI�JC�C��OLi�C� o ����� (�G�Ol�l�r ������ ������ •(IvJOO � �C� 11��M�� C�Q[����/G�[�]�� 9c����0� 6 �77�`--v'�CC� U �`--J��Oc�`--t,• �I i �.GRAD NG AND DDR i 1 MOU o S o U i I S SEE SHEET 3,4,,,-. 926-170-002 STEFFEY A.O �BUTTERFIELD ra o i 352 Qal —58 6 - 1 �/ \30 TFT 1 44 69 r ' 1 s p5. L�TP-19 \312' /.0 �, s 11 ,, � F �� •: 1 Av _ 5� J' 1 1 1 ' 2 0 , - �.. PS I '24' - jai I � 11►51, i� 2 5 Z0.0 I , REA SEE SHEET 3 l if 9 ?s y y'9&o♦ �,4� SO ppb ♦ 60 N p♦ pp> �♦ R ON ', •�, � �� �"\ 926♦ 380 ^n OPEN SPACE 'ory N, ' 7�40 SHEET 4 Zrp TP- 8rJ w TP -163 ` 3 o o a h�'o LLJ /39 /4 !41 p /4 /44 / a __� % s-° 33 , -; - 1 /as° S_—� - - _ \ ,.� \ V.3-1 .5 /i490 /Pd ' S , r�l .,.9 f13g5 �� 126p\ c� ) a, sa[gj B 5�. 1 _ ,tom h�� ; -_ — •� / . t\ `' , �. 4 h i` ^7 ` _ %130.HJ. : ; 1D 1 / / , \ l' TP, , - •yo • a� ,h 6 O4A9 b w- ��• _�' /Cli /� � //\I` �, � � ,� � ��- / � I /\ \\ f / � \\ ! I \ \ �__ _ � � ma•\ by ' � I � � I I I 14 —2U07 (f 6 `1TEMEC�.tLk' RA�fCNOS SEE PLATE 23064-1 fOR LEGEND 4 I Petra Geotechnical, Inc. GEOTECHNICAL MAP .l i ve .130 & 9/4, (05, �6 J. N. 298-87 APRIL, 1 SWE IET Oo g39 PLATE 23067-2 y. G�2 l%C�OG=0Cs-FENOO[NC°EnONO 0 7` 77 o OO FRES N'T MTIMLEMY SWOVE GAO B S =77 SS 33' ___- 32/ . 320 3/9 , '3/8 ". 3/7 : (3/6 I/ /PS/ S /PSO 5 ,y50' IlId9 0 1 %Id�'O I /1 .O s ' s ' � � I ss' I _ s p5. L�TP-19 \312' /.0 �, s 11 ,, � F �� •: 1 Av _ 5� J' 1 1 1 ' 2 0 , - �.. PS I '24' - jai I � 11►51, i� 2 5 Z0.0 I , REA SEE SHEET 3 l if 9 ?s y y'9&o♦ �,4� SO ppb ♦ 60 N p♦ pp> �♦ R ON ', •�, � �� �"\ 926♦ 380 ^n OPEN SPACE 'ory N, ' 7�40 SHEET 4 Zrp TP- 8rJ w TP -163 ` 3 o o a h�'o LLJ /39 /4 !41 p /4 /44 / a __� % s-° 33 , -; - 1 /as° S_—� - - _ \ ,.� \ V.3-1 .5 /i490 /Pd ' S , r�l .,.9 f13g5 �� 126p\ c� ) a, sa[gj B 5�. 1 _ ,tom h�� ; -_ — •� / . t\ `' , �. 4 h i` ^7 ` _ %130.HJ. : ; 1D 1 / / , \ l' TP, , - •yo • a� ,h 6 O4A9 b w- ��• _�' /Cli /� � //\I` �, � � ,� � ��- / � I /\ \\ f / � \\ ! I \ \ �__ _ � � ma•\ by ' � I � � I I I 14 —2U07 (f 6 `1TEMEC�.tLk' RA�fCNOS SEE PLATE 23064-1 fOR LEGEND 4 I Petra Geotechnical, Inc. GEOTECHNICAL MAP .l i ve .130 & 9/4, (05, �6 J. N. 298-87 APRIL, 1 SWE IET Oo g39 PLATE 23067-2 y. G�2 l%C�OG=0Cs-FENOO[NC°EnONO 0 7` 77 o OO FRES N'T MTIMLEMY SWOVE GAO B I r `V ■ ■ ■ v Nom ■ ` ■ V 2 n ■ ■ W ■.. m �a i IL v ■ ■ w ■ N. IL ■ 111111iff r \ -a \'`' ,l / 'i '__'...•l /_ PLANN`�y\.__\ UFO 1 —1 CJ 7 \ \\ %.-' \\ 1 \\ 2 6 gl'. /� -%; \\_. _.. LEGAL DESCRIPTION a ` \ r, `�� � I •' � 1 ` ►-"' \, \\ ,�, �"_~'�\�- - PORTION OF THE LITTLE TEMECULA RANCHO Ili THE COUNTY OF RIVERSIDE STATE OF CALIFORNIA SQ' 'I - \\\\ \:;Y / '93 = �'r�o r __ - -- --% AS SHOWN BY THE MAP OF PARTITION OF SAID RANCHO ON FILE IN THE OFFICE OFTHE COUNTY CLERK OF SAN DIEGO COUNTY, CALIFORNIA; / r .• / , � _ / 27 I / l . � �\ .. �/ moi'.- • 'i. \` "'\', \\ `_ �__ \1` \` 1\.� ' `' �\ \ \••\ \ • � .. �. J _ O 190 V \ '. Ar= \\ 17� ✓ / r ',y� �'iw l 36/ 3 g, ` 1 �Oii ` ,I / \. B Z a\\ i �'g , _ �• r-� `� - \\�\\ r •� / •_' --I , I 1 \ S •tee 1) \ �_f\--� \ t♦ �. .14 ' i o \1` p _S //36 / Q B.S O , / ':.�,( "._ \ \ .,,.\\ _._ _�'" - _� \ �'"�� I 1 \ \ \\ _ • � ..>�V� ' � ��_�_ -- a _. - .. � / \. \e 1,�, i / '/cam/i \` i '. ,. 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INDIAN- ES MOMY fn1 t(1I � n �1 � �+ (� n n f� f1 t1 f /� /� (1 f� �� � n /� SM B3 OMY MVOYFE N(O �J U L�UVUI��IJL�G=�. �G�I��Ll�'�Ir�SUVOLr �1 SMB3 SEE PLATE 23064-1 FOR LEGEND Petra Geotechnical, Inc. GEOTECHNICAL MAP' J.N. 298-87 APRIL, 19;9 PLATE 23095-3 t .R • SEE PLATE 23064-1 FOR LEGEND Petra Geotechnical, Inc. GEOTECHNICAL MAP' J.N. 298-87 APRIL, 19;9 PLATE 23095-3 t .R VEST PL G U vvo �OOo B S7 a Z C N C Z N U) Cn 0 U19 6� 'O� O_ �L`O' , / 20 NG AND Dlu�-�-%' A N AGE P ,,ti 1 \� , i C�, Oto 358- P Qal 6, SD 220' p SF/ V60 l 24 Qal ��� _ - - /� 0 357 / lJ 8-64,�1 4. / I l_/ ^ -- OI 26 % .. ti,1 SDSEE SHEET 2 ro Qps 7 L1 TP -176 4� 100, Cb_ `• � Z j c`� TP -181 ,� / 9 I 1 �� / -66 TP -166 \ p I Q ps , 'Qps -. 192 bti /ice //��� ! Qom! -• I TP -17 40 V) \\N"i SD Qps 0 _ B-13 - t -174 ��/ ./_6 ► ;� ; ° SD SEI= SHEb 2 .. TP -167 - - - — 172 \o \ • `; ?S / `1 _ QaI iOTT �. , % T Qal \.\ P-171\ ili' , - -�. TP -16 \ I o / I B-62, `\ \-n / ' \ , b'\ (7/16/89) ' , 12t7Q1 = •-- 1� 1)AFj00 TP -173 �1 66' 354'x'• -` - �D- O ti4b v, r• o0 . eo° eg i/ \��0 - - - - Q s vii I, 1 i i . I'. r o _ _ — — ; - - '' I I ' — , /100 'cY P 12.5' -60 (7/16/89) B— 1 ^170 B-58 K'-- TP 178II \C6 1 h`J !C� llq� J''\ ` 1 "TP -168 1 � , - �--- :- _ _ _ _ SD EE SHEET' TP-164 -'• � � � `� I� l j - �; \ \ i r, , 1 S 12 L/D' . • � � � _ - % \ -- \LL 5 352 \ �_ 1 ` v r, //60 4&' , - / - - - - /170 I.9 / o �\ _ -- rr Qal II 11405't. — — - .•�c,�AJ1S/ QSYY, ,. \ r /�./p,,•b �- 1,'7^'( 'I\ '�\ \ I N �� i1Iz . i � 1`I 1 '11 '1 � I � - /� / \ I ti �I i•Iry � ,I;h'i '�. , r\ .'/ i ' r�, - ,l �_. •'D p! V/ I \ —11 40 _ — 926 170 002 STEFFEY A.O. �> U HOo 3 M PDzg\,F s 0© E V _ F�zk,,H XO) C�A�UN SOC: OHMON FMMOP�OHC c3 0 7`77 00) Fm(DN= m7n 3 III 1 SEE PLATE 23064-1 FOR LEGEND Petra Geotechnfcal, Inc. GEOTECHNICAL MAP I (o "Sm fo&,o &PJ.N. 298-87 1 AP FIL, I%-9 PLATE 3067-3 1 - [F=19�7 SMO` F04 ,r iJ VEST PL G U vvo �OOo B S7 a Z C N C Z N U) Cn 0 U19 6� 'O� O_ �L`O' , / 20 NG AND Dlu�-�-%' A N AGE P ,,ti 1 \� , i C�, Oto 358- P Qal 6, SD 220' p SF/ V60 l 24 Qal ��� _ - - /� 0 357 / lJ 8-64,�1 4. / I l_/ ^ -- OI 26 % .. ti,1 SDSEE SHEET 2 ro Qps 7 L1 TP -176 4� 100, Cb_ `• � Z j c`� TP -181 ,� / 9 I 1 �� / -66 TP -166 \ p I Q ps , 'Qps -. 192 bti /ice //��� ! Qom! -• I TP -17 40 V) \\N"i SD Qps 0 _ B-13 - t -174 ��/ ./_6 ► ;� ; ° SD SEI= SHEb 2 .. TP -167 - - - — 172 \o \ • `; ?S / `1 _ QaI iOTT �. , % T Qal \.\ P-171\ ili' , - -�. TP -16 \ I o / I B-62, `\ \-n / ' \ , b'\ (7/16/89) ' , 12t7Q1 = •-- 1� 1)AFj00 TP -173 �1 66' 354'x'• -` - �D- O ti4b v, r• o0 . eo° eg i/ \��0 - - - - Q s vii I, 1 i i . 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GEOTECHNICAL MAP I (o "Sm fo&,o &PJ.N. 298-87 1 AP FIL, I%-9 PLATE 3067-3 1 - [F=19�7 SMO` F04 . 926_380_008 HANSON .._ 926-380-007 • HERRICK HANSON 926-3R0-01? 926-380-011 ,•` HERRICK MIRABEL MIRABAL, -WILFRED �9p PLANN NG - !l GmH�'AD NG AN I I - S8 Oal /100OF OF ^ ' u3o P 1 / T9� B-71 5 7: ,`�� X1,9%• Sp s ,— • J1B� . �s' 70 • 6s • -7 y - / So' %23, TP 2 N 4 `�_ I //Big 1'8 70 //96 24 2 4 u8 so' dobb• 6O 298 \ 41 �—63 7S B-73 0 ,'� It Z Q� r TP -21 SD �- 610 of 24�p d q' Z3C- `a•�29 2 TP 1 9 /1093 Jc �\ 19 6 X231, l2ozo /2a73 /209 /f090 12 LLJ 0 631 , els �.t° 8 - 210. 2111,. 70 /1+073 /d.IBO rlD�s✓ Qd azo h r`h SD \ I901/' - i•_.LJ , rte.. 52\5 ,Z t- q ° \ \'• 2„ �` I CT •.�-186 o ' 11 • 1 1 I ` \ V N� • \ J QII '- �/J 206 _t0-- �_J� \�' � n `» Nil- v: \�• ° ti_ L yp TP 3J"-0�10�0 In ^moi ° 123 hRli. J c^�-- '•i2'0�"- i 'aN W =►\\\ ��// — �¢� ��° ), 851` i ` ^ 5\ i � / � � .� w ; TP -187 \ B %o $ / l a 0 �l c� a Qal 3 9 Q p\ (055 90 9 6 0 0 f °STE L�A-A A -- as Ir,• 5;.9 •rf.E.� S "MET n NO .4 4 MAP Il�3�bg� \1 N0, 23067 6670 \ p cam. t u�9.0 .J SPA CE j r i C 3618 926-420-007 - ANDERSON, CHARLES 3090 ?,: � '-\ -1 \ r, M A% i - ' I 358 `t OPEN ; SPACE if i � I ' 1 pQ��� s © o _ �C�1C�C�� �La\Ca�G�OCC� RENO Omla[EinDRDO = 1, 7`7 030 FnZDN7 M�u�ME7 �SWOV N(M S) 7C MErU1n� �QL��[�OI�C�]OLa _ R SEE PLATE 23064-1 FOR LEGEND Petra Geotechnical, Inc. GEOTECHNICAL MAP 0 J.N. 298-87 APRIL, 1989 PLATE -23067-4 HYDROLOGY MAP I _ 77 r Ln '•ham 'y,a ,. '`�1i.^!. ' .1 l,..a,^'`:k 'T :.� .n1 fis ' IF 1 l { ' t � { COUNTY OF RIVERSIDE, CALIFORNIA • ', � -� \_�_. .., i ' I 1 '' :-'� -�) C V �� /i /� (iI /, j i \'11 \;: •'�' I^ry„tiCs , / � \ a 65+, `'/ •j✓� -��..- -./ i.� O �! 3 e�,•?G a/ ,� ! 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