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HomeMy WebLinkAboutBorrow Site CITY of TEMECULA EROSION AND SEDIMENT CONTROL NOTES CITY OF TEMECULA 1, Information on this plan is for erosion prevention and sediment control only. These notes PUBLIC WORKS DEPARTMENT are comprehensive and should be applied according to the site--specific conditions for each GRADING NOTES individual project. The Discharger is responsible for the installation and maintenance of o combination of erasion and sediment controls by October 1st of each year for all applicable 1, All grading and related activities shell conform to the Grading, Erosion & Sediment Control ' i ies (clearing, radin excaVatin and on all ex osed slo es throughout soil-�d�sfurb�nq acfiv t grading, g) p p Drdinance No. 04-04, and if applicable, to the State {dater Resources Control Board NPDES4hP1AAP4iN:7 h r er is also responsible for an discharges from subcontractors. General Permit for Construction Activities, the entire site. The Disc a q p y g . . 2, Stormwater runoff should be filtered prior to discharging to a stormWafer conveyance system 2. Building pad and drainage sWale slopes shall be a minim' M oDrdinage swales • . . . . (natural Watercourses, streets, flout—lines, drainage inlets, etc). All non—permitted discharges shall be a minimum of 0,2 deep and be constructed a minimum of 2 aWay from the top of . . . . � » are prohibited from entering any storm wa ter conveyance system year—round graded slopes. Finish grade shall slope away from all exterior Walls at not less than ,� per foot for o minimum of 3 feet. 3, Discharger Contact Information: 3. Maximum cut and fill slopes shall be 2:1. p rJ1170 (Responsible Person) (Company) (24—Hour Phone Number) 4, Provide, as applicable, concrete brow ditches designed to convey 1 DD—year storm flows, or provide graded berms, along the top of all graded slopes over X in vertical height or that are n meets or exceeds one acre the site must be covered under the State 4. If soil disturbance , adjacent to graded areas to direct surface runoff away from the top of slopes. General Construction Permit, a Notice of Intent (NOI) must be filed With the State {dater . . Resources Control Board (SWRCB), a waste Discharge identification (W01D) Number shall be 5, All grading shall be done under the supervision of a Registered Civil Engineer, Soil Engineer, provided to the City, and a StormWater Pollution Prevention Plan SOW) shall be or Engineering Geologist Who shall certify that all fills have been properly placed and Who shall Implemented throughout the duration of the project and be readily available on site to City submit a final compaction report for all fills over 1 deep.. p g ' • P p and State inspectors. A Sji{�PPP template can be downloaded from the City s Web site at .. der PDES information. o temeculo or under ula r Ch tt . .tit f N 6. A Registered Civil Engineer shall submit to the City of Temecula s PublicWorks tit oftemec .o9 v g y Department a Written certification of completion of rough grading in accordance With the Y1lllll.,f,JJlllJlllJJllll JIlJ/lJJJJJlll/JJIl • Dep W p9 g . . 5. Dunn the rain season (October 1 — Aril 30 , the Discharger shall make available, as P ) approved grading plan prior to issuance of the building permit. Certification shall be to line, _ Additional n necessary, equipment and Workers for emergency Work to protect the site. grade, elevation and location of cut / fill slopes. • erosion and sediment control materials shall be stockpiled at various locations throughout the i site for immediate implementation. 7, Final compaction report Will be required for all fills greater than one foot, p p p q g 6, All erosion and sediment controls shall be inspected, restored, repaired, or modified regularly 8, All grading shall be done in conformance With recommendations of the preliminary soils • • investigation by dated Two sets of the final compaction report shall be submitted throughout the site to protect downgrade perimeters, adjacent properties, environmentally :— ' sensitive areas, and all private and public stormWater conveyance systems. If any erosion or to the Public works Department Which shall include foundation design recommendations and h rain season more effective ones Will be re uired in their sediment controls fall during the y , q certification that grading has been done in conformance With the recommendations of the lace. preliminary soils report, p r 7 Durin the rain season clearin shall be limited to areas that Will receive immediate 9 y 9 contractor shell notify the PublicWorks De artment at /east 48 hours in ad ance .9, The c vyP sediment n t controls sh all be implemented merited In areas tha t , . . , grading, A combinaf�on of erosion and p requesting finish lot grade and drainage inspection. This inspection must be approved prior to have been cleared. r building for each permit clearance c lot, 8. During the rainy season, erosion control for graded slopes shall include 1 DD Z vegetative Public works Department Phone: (951) 694-6411 coverage, Wood mulch, stapled or pinned blankets (straw or coconut), plastic sheeting (10—mil), polypropylene mats, or other measure approved by the Director of PublicWorks., 10. Cut and fill slopes shall be protected with a combination of erosion and sediment controls For spray—on controls onlybonded and stabilized fiber matrix products With minimum to protect the slope from erosion and instabilit Burin the radin tease. , , . P P y 9 g g p application rates of 3500 lb/acre and 1 D gal/acre, respectively, shall be used for grades of ,I 4:1 and greater. Jute netting shall not be used as a stand--alone erosion control, If 11. Post grading activities shall include, but not be limited to, installing, Where applicable, To �i'a/�' • • . r� �/�/�/`��/ � sufficient time far adequate to seed r shrubs, or a combination accordance With City codes nor fa the hydroseeding is implemented, the application must allow q • • ' latex polymers,, soil stabilizers groundcover, trees, s a on In in acco w y p ac Irc nt irri ation growth, Inactive graded pads shall be protected With ry / p y , approval of final inspection. Slopes over 4 in vertical height shall have germane g • lit systems With backfloW prevention devices per the U.P.C. fiber matrix, or other measure approved by the Director of Pub Works. 1� Hemet 1 • rolls, silt fences . 9, Sediment controls shall include desiltrng basins, graded berms, fiber o , 12. Fill material shall not be placed on existing ground until the ground has been cleared of ravel—bag chevrons (J14" ravel check dams, drains a inlet rotection, etc. eeds debris to soil and other deleterious material. If stee slo in terrain occurs u on 9 v gg g p W p p sloping P Which fill is to be placed, the terrain must be cleared, keyed, and benched into firm natural . • • • 10. All onsite and offsite flout--lines (Y—ditchess broW�-ditches, terrace drains, ribbon gutters, curb soil for full support. A Registered Civil Engineer, Soil Engineer or Engineering Geologist shall , approve placement of fill. gutters, etc.) and drainage inlets shall be free of sediment, construction materials, pp v p � c� o Rp AD construction waste, miscellaneous debris, and deteriorated erasion and sediment controls at � � � 13. Temporary drainage shall be provided until permanent drainage structures are installed. Protective measures shall be implemented to protect adjoining and downstream properties NCO S • , • deposition '79 N r-- 11, Construction waste and miscellaneous debris shell be placed in Water—tight bins, wire mesh from silt and parading Water during grading operatives, d i d for concrete trash receptacles Will not be allowed. Wash-out stations shall be prov de , 14. Dust shall be controlled b methods approved b the City Engineer. �� paints, and stucco and shall be lined With plastic and located away•from streets, sidewalk yy y 9 �� right-of—Ways, and drainage inlets, Prior to any forecasted rain, bins and Wash--outs shall artofTemecula .�. . ,YNA the drainage e system. 15. Stability calculations With a factor— of at least one and five—tenths (1.5) shall �� ER be covered With a ird or plastic tarp preventing any overflow into g.Y W y � S be submitted to the Public Works Department by a Registered Civil Engineer, Soil Engineer, � or En ineerin Geolo ist for cut and fill slopes over 3D' in vertical height. `j'�'y 12. Construction accesses shall be stabilized With a combination of gravel and shaker plates g g g p v vo ao ear--round to prevent track—out onto streets, For residential developments with street � �s y . p . . , p 16, A Registered Civil Engineer or Licensed Land Surveyor shall submit certification of DR p grades exceeding 2Z, individual driveways shall also be protected With gravel to prevent • 9 g • • yD OP track—out onto interior streets, Gravel shall also be laced on driveways that are used to building ad elevations. There specific elevations are required, the elevation (With res ect to A R track o v p y9 P P q P . . mean sea level shall be iven. If an elevation With respect to adjacent round surface is -y QA access individual lots. Routine street sweeping shall be performed on all paved streets ) 9 v W P J g � R • — 15 NAP Where tracking is observed. Vacuum sweepers shall be used When street sweepers become required, the actual distance above the adjacent ground shall be given. FOR Hp p,1.� ineffective. Controlled street Washing Will only be allowed prior to the applicati on of asphalt �a RANC G 17. EROSIONAND SEDI E" T CONTROL,- The ermiftee shall abide b the requirements -v 79� P seal coats. However, drainage inlets shall be protected to filter the WashWater. N MN N p y q � i of Temecula Grading, im rat Control OrdinanceNo. 04-04 ��outlined rn the C ty g, & Sed e throughout the duration of the ro`act including adherence to the StateNPDES Permit for y QMQ D � 3. Silt and debris shall be removed from check dams, chevrons, silt fences, desilting basins, 9 P l g ti RAN Rp A Construction Acti ities if a livable. �`� � streets, onsife and off--site flow lines, downgradrent drainage inlets affected by a discharge v pp �- from the site and other rivate and public stormWater conveyance systems prior to and �BA � �- � p p � y . • PA after each storm event. For residential developments, silt fence shall be installed along 18. Existing drainage courses shall continue to function during the rainy season. No �� � p obstruction of flood loins or natural afar courses shall be permitted. �o interior streets and combined With gravel—bag or silt-fence—chevrons inside the sidewalk p w p � 0 o a ..� .._ G right of way, Where applicable G Sp,N 19. All property corners shall be clearly delineated in the field poor to commencement of • , an construction radin . 0 14. Desilting basins shall be constructed at the start of all grading operations and sized y /9 9 � � according to the State General Construction Permit (J600 cubic feet of storage per acre • P� 79 drained , even if the site does not require coverage under this permit. Hater shall be 20. The permittee must obtain an encroachment permit prior to any Work Within a public 0 ) q 9 p R right--of--Way. orQj0 filtered and drained from the basins between storm events. �o 21. Approval of these plans b the Cityor its agents does not relieve the applicant and 15. 5tormWater runoff shall not be directed over any slopes Without permanent doWndrains pP p y g pp his engineer from the responsibilityfor the correction of errors or omissions discovered installed. Temporary erosion and sediment controls are required on all exposed slopes until • 9 . , Burin construction. Upon request, the a ro riate ion revisions shall be promptly 1SITEsufficient permanent landscaping has been established. Fiber rolls shall be installed in q p p y s g P pP p p submitted to the City 9 approval.Engineer for revieW and a rova/. ,a increments of 10 feet measured vertically on the face of slope for grades of J. and icy greater in combination With fiber matrix products or blankets. Silt fence shall be installed 22. The issuance of this permit b the City of Temecula does not im l or provide an ��o at the toe of all exposed slopes 3' or more in height. P y y. . . p.Y p y .y clearances from state or federal agencies regulating the provisions of state or federal q endangered species acts or Water quality regulations. The Contractor/Owner/Developer is �'-r 16. Material storage areas shall be established. fuel tanks, portable toilets, liquids, gels, and g • p y g • • -�ysidewalk right—of—Ways, and drains a inlets and responsible for obtaining the appropriate clearances from these agencies prior to any site powders shell be stored away from streets: g disturbances or grading. shall have secondary containment. Stockpiles of soil shall be protected prior to a forecasted rain. ro /� under—liners contain spillage. Gra el bags shall also 17, All portable mixers shall have plastic under //Hers to cov g d be placed on the down--hill side of the liners to contain discharges. -4 VIChVITY1VAP e f • 18. The Discharger shall properly post and secure site areas Where impounded Water, du o erosion and sediment control devices or anything else, creates a hazardous condition to the y g NOT TO SCALE public. However, emergency accesses shall be main tarried at all times. p 19. No obstructions, other than sediment controls, shall be allowed at any existing public, or rivote, stormwater conveyance system, unless adequate temporary or permanent drainage facilities have been approved by the Director of Public Works to carry surface Water to the nearest ractical stormdrain or natural Water course. p �. 20. Fill areas shall have erosion and sediment controls implemented While being brought up to grade. These measures include: temporary doWndrains (pipes or paved ditches With protected outfalls); earth berms at the top of slopes; vegetation; mulch; fiber matrix roducts• blankets• ondin areas• check dams; fiber rolls; ravel bags around drainage ` p p 9 � g g inlets• and a ro riate grading to direct drainage awe from the edge of the top of slopes, UNDERGROUND SERVICE ALERT pP p 9 9 9 y � 21. Slope protection must be in place during the rainy season prior to the issuance of a Certificate of Occupancy to prevent erosion, , o CALL r LL FREE 1-800-422-41JJ p22. The Department of Public works reserves the right to make changes to this plan. The a Department's approval of this plan does not relieve the Discharger for corrections of errors and omissions discovered during construction. 8 r � 0 ORK/NG DAYS BEFORE YOU DiG M. � d Y REVISIONS ACC'D DATE BENCHMARK SEAL: Desi ned B Drawn B Checked B Drawing No.CONSTRUCTION RECORD DATE B Ev siaNs N ��S s J 9 y y y � SCALE DATE.• DEPARTMENT OF PUBLIC WORKS � r � � �// RECOMMENDED BY. • I i,/o! KP R�vlleD PdA I I o-1 `' s$ Ly DA'r� �, J , ` �, C.V. C.V. R.P. ra Contractor y 'rj - .� ,.�... Horizontal PP.oq 1lmtoA.L A0.ryA A 0+: Mc.KeNoA y �'. Pons Prepared Under Supervision Of B hVAR 0 VEiVEiVr PA D� R a ACCEPTED BY: �- DATE. - JGAV Inspector ' ��p ,�., No, 19744 Cal- yam., {r I _ }' -= 5 .t� � BORROWSITEEx , 09-30 07 1 Date WILL/AM G. HucHEs �, �, * * DIRECTOR OF PUBLIC WORKS/CITY ENGINEER Verttcal � Ronald J. Parks .. TITLE FNEET� C11L •, Date Completed ,� U �� � 2 � 1� 19744 D9--30-07 36617 it s: 6--30-06 �g$`' PffJJJ?AF4Ja9Sheet of NTS or C A� R.C.E. No. Ex ires R,C.E. No. Ex e r P � rN