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Home My WebLink AboutParcel Map 22629 Parcel 3 Geotech & Compaction Test Results Oct .17, 2006 I I . '. . I I I I I I I . . I I I I I ~EnGEN '='CORPOR.ATION GEOTECHNICAL REpORT AND COMPACTION TEST RESULTS - STORM DRAIN TRENCH BACKFILL Edwards Residence Assessor's Parcel Number: 955-050-032 Parcel 3 of Parcel Map 22629 Via Telesio and Green Tree Road City of Temecula, County of Riverside, California Project Number: T3411-C October 17, 2006 Prepared for: Tom and Maryann E;dwards 32478 Corte Zaragoza Temecula, California 92592 25,759 jefW.r_>on A~'P!l-\JC M"niC'tii. Cill'fo;nia 92562. pi "",: '95 83>;'9000. f.n: ('J'i 1) K_,49001 \ I I I I I I I I I I I I I I I I I I I TABLE OF CONTENTS :SECTION NUMBER AND TITLE PAGE 11.0 PROJECT LOCATION AND DESCRIPTION ........................................................................1 11.1 PROJECT LOCATION.. .... .... ... .... ....... ..... ..... ....... .... ... ...... ..... ..... ... ......... ........ .... .........1 1.2 PROJECT DESCRiPTION............................................................................................1 2.0 SCOPE OF WORK......................................................................................................1 2.1 BACKFILL OPERATIONS ............................................................................................2 2.2 WORK DATES................................... ...................... .......................... .......................2 2.3 CONTRACTOR AND EQUiPMENT.......... ....................................................... ................2 3.0 TESTING ... ... .... ..................... ............... .... ........................ ........ ..................... ... ........2 3.1 FIELD TESTING PROCEDURES...................................................................................2 3.2 LABORATORY TESTING........................................................................ .....................2 3.2.1 MOISTURE-DENSITY RELATIONSHIP TEST ........................................2 4.0 EARTH MATERIALS............. ... ....... ....... .... ..... ... .............. ...... ... ............ ...... '" ... ... .... ....3 5.0 CONCLUSIONS AND RECOMMENDATIONS ......................................................................3 6.0 CLOSURE. .... ... ....... ... .... .......... ....... .... ............ ........ ......... ... ..... ...... ... ....... ... .......... ...3 Appendix: Test Results ")..J I . I I -. I I I I . I I I I I . I I I @IRrp~J,~ October 17, 2006 iTom and Maryann Edwards ,32478 Corte Zaragoza Temecula, California 92592 (951) 302-5449 Regarding: GEOTECHNICAL REPORT AND COMPACTION TEST RESULTS STORM DRAIN TRENCH BACKFILL Edwards Residence Assessor's Parcel Number: 955-050-032 Parcel 3 of Parcel Map 22629 Via Telesio and Green Tree Road City of Temecula, County of Riverside, California Project Number: T3411-C References: 1. EnGEN Corporation, Geotechnical Report and Compaction Test Results, Rough Grading Operations, Edwards Residence, Assessor's Parcel Number: 955-050-032, Parcel 3 of Parcel Map 22629, Via Telesio and _ Green Tree Road, City of Ternecula, County of Riverside, Project Number: T3411-C, dated August 30, 2006. 2. BMB Technical Services, Precise Grading Plan, Thomas and Maryann Edwards Residence, Parcel 3 of Parcel Map 22629, APN: 955-050-032, City of Temecula, plan dated August 25, 2006. Dear. Tom and Maryann Edwards: In accordance with your request and signed authorization, EnGEN Corporation has performed field observations, sampling, and in-place density testing at the above referenced site. Submitted, herein, are the test results and the supporting field and laboratory data. . 1.0 PROJECT LOCATION AND DESCRIPTION 1:1 PROJECT LOCATION The subject project is located on the southern side of Via Telesio west of the intersection of Via Telesio, and Green Tree Road, in the City of Temecula, County- of Riverside, California. 1.2 PROJECT DESCRIPTION The subject project consisted of the installation of approximately 210 linear feet of 6- inch PVC storm drain along the western property line of the existing pad area. 2.0 SCOPE OF WORK The scope of work performed by this office consisted of part-time field observations and in-place density testing during the trench backfill operations on an on-call basis. 3> 25759 Jefferson Avenue. rl'iurr;eta. California 92';6: . ~!l,)',C 9S;.: ;1::;,t-9000. F,lX :951: 334900 I I I I I II , I I I I I I I I I I I I I I I Tom and Maryann Edwards Project Number: T3411-C October 2006 Page 2 ;2.1 BACKFILL OPERATIONS The backfill operations consisted of the placernent and compaction of the excavated trench material. These native materials were moisture-conditioned to near optimum moisture content, processed, and placed in lifts of 6-inches to 12-inches, then compacted with mechanical equipment. The backfill and compaction operations were performed in accordance with the minimum standards and requirements of the City of Temecula. 2.2 WORK DATES This report represents geotechnical observations and testing during the construction operations from October 11, 2006 through October 12, 2006. 2.3 CONTRACTOR AND EQUIPMENT The compaction operations were performed by Custom Dirt Work through the use of one (1) Backhoe with Sheepsfeet Compaction Wheel and one (1) Skip Loader. 3.0 TESTING 3.1 FIELD TESTING PROCEDURES Field in-place density and moisture content testing were performed utilizing a nuclear density gauge in general accordance with ASTM D 2922-03 and ASTM D 3017-01 respectively. Relative compaction test results were within the 90 percent required for all material placed and compacted. Test results are presented in the Appendix of this report. Fill depths and test locations (by station numbers when applicable) were determined from review of the referenced precise grading plans. 3.2 LABORATORY TESTING The following laboratory tests were performed as part of our services during the compaction operations for the subject project. The test results are presented in the Appendix of this report. 3.2.1 MOISTURE-DENSITY RELATIONSHIP TEST Maximum dry density-optimum moisture content relationship tests were conducted on samples of the materials used as backfill. The tests were performed in general accordance with ASTM D 1557-02 procedures. '\ EnGEN Corporation I I I I I I I I I I I II il I I I I I I I Tom and Maryann Edwards Project Number: T3411-C October 2006 Page 3 :4.0 EARTH MATERIALS The natural earth materials encountered on-site generally consisted of Light Brown Silty Sand. '5.0 CONCLUSIONS AND RECOMMENDATIONS Based on the observations and tests performed during the backfilling operations, the subject backfill in the areas tested has been compacted in accordance with The City of Temecula Grading Ordinance. 6.0 CLOSURE This report has been prepared for use by the parties or project named or described above. It mayor may not contain sufficient information for other parties or purposes. The findings and recommendations expressed in this report are based on field and laboratory testing performed during the backfill operation and on generally accepted engineering practices and principles. No further warranties are implied or expressed beyond the direct representations of this report. Thank you for the opportunity to provide these services. If you should have any questions regarding this report, please do not hesitate to contact this office at your convenience. Distribution: (4) Addressee FILE: EnGEN/ReportingfCfT3411-C Edwards Residence, Trench Backfill " ~ EnGEN Corporation I I . . I I . I I I . I I I I I I I I Tom and Maryann Edwards Project Number: T3411.C Appendix Page 1 APPENDIX: TEST RESULTS (q EnGEN Corporation I I I I I I I . I I . . I I I I I I . Tom and Maryann Edwards Project Number: T3411-C Appendix Page 2 FIELD TEST RESULTS (Summary of Field In-Place Density Test Results) (Nuclear Gauge Test Method) (8. G.) = Subgrade / (F. G.) = Finish Grade Test Test Depth Max Moisture Dry Relative . Required No. Datel Test Locations Elevation Soil Type Density Content Density Compaction Compaction (2005) (FT) (PCF) (%) (PCF) (%) (%) 1 10-11' Storm Drain -4 A1 128.0 10.9 116.2 90.8% 90.0% 2 10-11' Storm Drain -6 A1 128.0 11.1 115.7 90.4% 90.0% 3 10-11 Storm Drain -5 A1 128.0 10.2 117.1 91.5% 90.0% 4 10-11 Storm Drain -3 A1 128.0 11.7 119.0 93.0% 90,0% 5 10-11 Storm Drain -3 A1 128.0 9.2 115.9 90.5% 90.0% 6 10-11 Storm Drain -2 A1 128.0 10.4 118.3 92.4% 90.0% 7 10-11 Storm Drain -1 A1 128.0 11.2 116.7 91.2% 90.0% 8 10-11 Storm Drain -1 A1 128.0 9.7 117.2 91.6% 90.0% 9 10-11 Storm Drain -1 A1 128.0 10.6 116.9 91.3% 90.0% 10 10-,12 Storm Drain SG A1 128.0 9.2 117.2 91.6% 90.0% 11 10-,12 Storm Drain SG A1 128.0 10.1 116.4 90.9% 90.0% 12 10-,12 Storm Drain SG A1 128.0 9.5 116.9 91.3% 90.0% 1 EnGEN Corporation I il I II I I I I I I I I I I I I I I I Tom and Maryan n Edwards Project Number: T3411-C Appendix Page 3 SUMMARY OF OPTIMUM MOISTURE CONTENT MAXIMUM DRY DENSITY RELATIONSHIP TEST RESULTS ASTM D 1557-02 Maximum Optimum Soil Description (USCS Symbol) Soil Type Dry Density Moisture (PCF) Content (%) Silty Sand Light Brown (SM) Ai 128.0 9.5 16 EnGEN Corporation ,. I I .. . I I ". '1 ". "I "I I . I I I I I Tom and Maryann Edwards Project Number: T3411"C Appendix Page 4 APPENDIX: DRAWINGS 1\ EnGEN Comoration