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Home My WebLink AboutDWG 321-8B; PE 2.91.15; SDG&E POND CLOSURES; 01-03l EROSION CONTROL NOTES I. IN CASE EMERGENCY WORK IS REQUIRED.CONTACT MIKE CARROLL AT 438-2431 (PHONE NUMBER/ 2. EQUIPMENT AND WORKERS FOR EMERGENCY WORK SHALL BE MADE AVAILABLE AT ALL TIMES DURING THE RAINY SEASON. ALL NECESSARY MATERIALS SHALL BE STOCKPILED ON SITE AT CONVENIENT LOCATIONS TO FACILITATE RAPID CONSTRUCTION OF TEMPORARY DEVICES WHEN RAIN IS EMINENT. 3. DEVICES SHOWN ON PLANS SHALL NOT BE MOVED OR MODIFIED WITHOUT THE APPROVAL OF THE ENGINEERING INSPECTOR. 4. 5. 6. 7. THE CONTRACTOR SHALL RESTORE ALL EROSION CONTROL DEVICES TO WORKING ORDER TO THE SATISFACTION OF THE CITY"ENGINEER AFTER EACH RUN-OFF PRODUCING RAINFALL. THE CONTRACTOR SHALL INSTALL ADDITIONAL EROSION CONTROL MEASURES AS MAY BE REQUIRED BY THE CITY ENGINEER DUE TO UNCOMPLETED GRADING OPERATIONS OR UNFORESEEN CIRCUMSTANCES WHICH MAY ARISE. THE CONTRACTOR SHALL BE RESPONSIBLE AND PREVENT PUBLIC TRESPASS ONTO AREAS HAZARDOUS CONDITION. SHALL TAKE NECESSARY PRECAUTIONS TO WHERE IMPOUNDED WATERS CREATE A ALL EROSION CONTROL MEASURES PROVIDED PER THE APPROVED GRADING PLAN SHALL BE INCORPORATED HEREON. 8. GRADED AREAS AROUND THE PROJECT PERIMETER MUST DRAIN AWAY FROM THE FACE OF SLOPE AT THE.CONCLUSION OF EACH WORKING DAY. 9. ALL REMOVABLE PROTECTIVE DEVICES SHOWN SHALL BE IN PLACE AT THE END OF EACH WORKING DAY WHEN THE FIVE (5/ DAY RAIN PROBABILITY FORECAST EXCEEDS FORTY PERCENT /40%/. SILT AND OTHER DEBRIS SHALL BE REMOVED AFTER EACH RAINFALL. /0. ALL GRAVEL BAGS SHALL BE BURLAP TYPE WITH 3/4 INCH MINIMUM AGGREGRATE. II. SHOULD GERMINATION OF HYOROSEEOED SLOPES FAIL TO PROVIDE EFFECTIVE COVERAGE OF GRADED SLOPES /90% COVERAGE/ PRIOR TO NOVEMBER 15, THE SLOPES SHALL BE STABILIZED BY PUNCH STRAW INSTALLED IN ACCORDANCE WITH SECTION 35.023 OF THE EROSION ANO SEDIMENT CONTROL HANDBOOK OF THE DEPARTMENT OF CONSERVATION, STATE OF CALIFORNIA. TEMPORARY EROSION CONTROL PLANTING AND IRRIGATION ALL PERMANENT AND TEMPORARY EROSION CONTROL PLANTING AND IRRIGATION SHALL BE INSTALLED AND MAINTAINED AS REQUIRED IN SECTION 212 OF THE STANDARD SPECIFICATIONS AND THE FOLLOWING: A. HYDROSEEDING SHALL BE APPLIED TO, I. ALL SLOPES THAT ARE GRADED 6: I (HORIZONTAL TO VERTICAL/ OR STEEPER WHEN-THEY ARE: a. THREE FEET OR MORE IN HEIGHT AND ADJACENT TO A PUBLIC WALL OR STREET. b. ALL SLOPES 4 FEET OR MORE IN HEIGHT. 2, AREAS GRADED FLATTER THAN 6: I WHEN ANY OF THE FOLLOWING CONDITIONS EXIST: • a. NOT SCHEDULED FOR IMPROVEMENTS/CONSTRUCTION OR GENERAL LANDSCAPING/ WITHIN 60 DAYS OF ROUGH GRADING. b. IDENTIFIED BY THE PARKS AND RECREATION DIRECTOR AS HIGHLY VISIBLE TO THE PUBLIC. c. HAVE ANY SPE:CIAL CONDITION IDENTIFIED BY THE CITY ENGINEER THAT WARRANTS IMMEDIATE TREATMENT. B. HYDROSEEDED AREAS SHALL BE IRRIGATED IN ACCORDANCE WITH THE FOLLOWING CRITERIA: C. I. ALL SLOPES THAT ARE GRADED 6: I OR STEEPER AND THAT ARE, a. THREE TO EIGHT FEET IN HEIGHT SHALL BE IRRIGATED BY HAND . WATERING FROM QUICK COUPLERS/HOSE BIBS OR A CONVENTIONAL SYSTEM OF LOW PRECIPITATION SPRINKLER HEADS PROVIDING /00% COVERAGE. b. GREATER THAN B FEET IN HEIGHT SHALL BE WATERED BY A CONVENTION- AL SYSTEM OF LOW PRECIPITATION SPR/NKLE:R HEADS PROVIDING 100¾ COVERAGE. 2. AREAS SLOPED LESS THAN 6: I SHALL BE IRRIGATED AS APPROVED BY THE CITY ENGINEER, PRIOR TO HYDROSEEDING. THE DEVELOPER SHALL SUBMIT A PROPOSED SCHEME TO PROVIDE: IRRIGATION TO THE CITY ENGINEER. THE PROPOSAL SHALL BE SPECIFIC REGARDING THE NUMBERS, TYPES AND COSTS OF THE ELEMENTS OF THE PROPOSED SYSTEM. 3. IRRIGATION SHALL MAINTAIN THE MOISTURE LEVEL OF THE SOIL AT THE OPTIMUM LEVEL FOR THE GROWTH OF THE HYDROSEEDED GROWTH. HYDROSEED/NG MIX SHALL CONSIST OF ALL OF THE FOLLOWING, I. SEED MIX SHALL CONSIST OF NO LESS THAN: a. 20 lbs. PER ACRE OF ROSE CLOVER b. 20 lbs. PER ACRE OF ZORRO FESCUE c. 3 lbs. PE:R ACRE OF E SCHOOL CIA CALIFORN/CA d. 4 lbs. PER ACRE OF ACHILLEA MILLEFOLIA e. 3 lbs. PER ACRE: OF ALYSSUM /CARPET OF SNOW/ I. 1/2 lb. PER ACRE OF DIMORPHOLECA g. ITEMS c,d,e, AND f OF THIS SUBSECTION MAY BE OMITTED ON LOCATIONS WHERE THE AREA BEING HYDROSEEDED /5 NOT VISIBLE FROM E:ITHER A PUBLIC STREET OR RESIDENTIAL STRUCTURES. h. ITEM a OF THIS SUBSECTION MUST BE INOCULATED WITH A NITROGEN . FIXING BACTERIA AND APPLIED DRY EITHER BY DRILLING OR BROADCASTING BE:FORE: HYDROSEEDING. I. ALL SE:E:D MATE:RIALS SHALL BE: TRANSPORTED TO THE JOBS/TE IN UNOPENED CONTAINERS WITH THE CALIFORNIA DEPARTMENT OF FOOD AND AGRICULTURE: CE:RTIFICATION TAG ATTACHED TO, OR PRINTED ON SAID CONTAINERS. i. NON-PHYTO-TOXIC WETTING AGENTS MAY BE ADDED TD THE HYDROSEED SLURRY AT THE DISCRETION OF THE CONTRACTOR. 2. TYPE I MULCH APPLIED AT THE RATE OF NO LESS THAN 2000 lbs PER ACRE. - TYPE 6 MULCH (STRAW} MAY BE: SUBSTITUTED, ALL OR PART, FOR HYDRAULICALLY APPLIED FIBER MATERIAL. WHEN STRAW IS USED IT MUST BE ANCHORED TO THE SLOPE BY MECHANICALLY PUNCHING NO LE:SS THAN 50¾ OF THE STRAW INTO THE SO IL. 3. FERTIL/ZE:R CONSISTING OF AMMONIUM PHOSPHATE SULFATE:, 16-20-0, WITH 15¾ SULPHUR APPLIED AT THE RATE OF 500 lbs. PER ACRE. D. AREAS TO BE HYDROSEEDED SHALL BE PREPARED PRIOR TO HYDROSEEDING BY: E. I. ROUGHENING THE SURFACE TO BE PLANTE:D BY ANY OR A COMBINATION OF, a. TRACK WALKING SLOPES STE:EPER THAN 6: I b. HARROW/ NG AREAS 6: I OR FLATTER THAT ARE SUFFICIENTLY FR I ABLE.· c. RIPPING AREAS THAT WILL NOT BREAK UP USING ITEMS a OR b ABOVE. 2. CONDITION/NG THE SOILS 50 THAT IT IS SUITABLE FOR PLANTING BY: a. ADJUSTING THE SURFACE SOIL MOISTURE TO PROVIDE: A DAMP BUT NOT SATURATED SEED BED. b. THE ADDITION OF SOIL AMENDMENTS, PH ADJUSTMENT, LEACHING OR COVERING SALINE SOILS TO PROVIDED VIABLE CONDITIONS FOR GROWTH. -· HYDROSEEDED AREAS SHALL BE MAINTAINED TO PROVIDE: A VIGOROUS GROWTH UNTIL THE PROJECT IS PERMANENTLY LANDSCAP5D OR, FOR AREAS WHERE HYDROSEEDING 15 THE PERMANENT LANDSCAPING, UNTIL THE PROJECT IS COMPLETED AND ALL BONDS RELEASED. PUBLIC RIGHT- OF-WAY 50'MIN. 8" MIN. PROF I LE EX I ST I NG GROUND I 14'MIN. T PUBLIC RIGHT-OF-WAY •• PROVIDE APPROPRIATE TRANSITION BETWEEN STABILIZED CONSTRUCTION ENTRANCE ANO PUBLIC RIGHT-OF- WAY STABILIZED CONSTRUCTION ENTRANCE ANGLE FIRST STAKE TOWARD PREVIOUSLY LAID BALE FLOW---- FACE WIRE OR NYLON OOUND BALES PLACED" ON THE CONTOUR 2 RE. BARS, STEEL 2"X 2" STAKES I 2' IN GROUND PICKETS, OR I /2' TO ANCHORING DETAIL • DRAINAGE AREA LESS THAN I ACRE STRAW BALE DIKE I. SET POSTS AND EXCAVATE A 4 BY 4 IN /IO BY IO CM} TRENCH UPSLOPE FROM AND ALONG THE LINE OF POSTS. 3. ATTACH THE FILTER FABRIC TO THE WIRE FENCE AND EXTEND IT INTO THE TRENCH. 2. STAPLE WIRE FENCING TO THE POSTS. 4 IN (10 CM} 4. BACKFILL AND COMPACT THE EXCAVATED SOIL. FILTER SILT FENCE FI LL SLOPE 9 IN /23 CM/ MIN. 2 FT /0.6 Ml EARTHEN RI OGE UNLINED SWALE & BERM GRAVEL FILTER I w I RE SCREEN OVERFL~ __ f_ FILTERED WATER RUNOFF WATER WI SEDIMENT SEDIMENT • --..... --- DROP INLET WITH GRATE CONCRETE BLOCK BLOCK-SCREEN-GRAVEL SILT BASIN ------ DROP INLET WI TH GRATE STRAW BALES STAKED WI TH TWO 5 TAKES PER BALE COMPACTED SO IL TO PREVENT PIPING RUNOFF WATER /TH SEDIMENT ENO AND SID£ OVERLAP AT CORNERS STAKED STRAW BALE FILTERED .£ATER HAY BALE SILT BARRIER FLOW ---- SANDBAGS OVERLAP ONTO CURB RUNOFF GAP BETWEEN BAGS ACTS AS SP I LL WAY 3 FT (0.9 M} MIN. THREE LAYERS OF SANDBAGS WITH ENDS OVERLAPPED GRAVEL BAGS 0 4• "'LOGS 0 0 0 0 ---0 0 0 0 0 LOG CHECK DAM A LEGEND DESCRIPTION QUANTITY STAB!LlZED CONSTRUCTION ENTRANCE STRAW BALE DIKE SILT FENCE SYMBOL ----- POINTS A SHOULD BE HIGHER THAN POINT B UNLINED SWALE & BERM HAY BALE CHECK DAM 6 IN ( 15 CM/ I A I COARSE AGGREGRA TE~ FLOW 0 ~ /Bl L=DISTANCE SUCH THAT POINTS A AND B ARE OF EQUAL ELEVATION GRAVEL CHECK DAM , DATE INITIAL r 24 IN ( 61 CM/ j ! IN (61 CM/ i D-75 LINED SWALE BLOCK-SCREEN-GRAVEL SILT BASIN HAY BALE SILT BARRIER LIMITS OF CLEARING & GRADING GRAVEL BAGS PUNCHED STRAW LOG CHECK DAM HAY BALE CHECK DAM GRAVEL CHECK DAM RIPRAP • • • VI VI VI VI axxxxxhmn --.... --1 .. ►I KERCHEVAL ENGINEERS ' CIVIL'SiRUcnJRAL ENGINEERING Pf..A..NN!NG AND SURVEYING CALIFORNIA COOROINATE35 854-/667 II AS BUILT" 4740 MUlll'HY CANYON RD., SUITI: 3LO. SAN DIEGO. CA 92L23-4.32L DRAWN: ASM CHECK: .JIIE RCE EXP. DATE DESIGN: II S,ft/ JOB NO. 8flJO,(-IZ'86 REVIE'w'ED BY• APPROVED: R.C.E. NO. DATE __ JACK H. EDWARDS //102 12/31/92 INSPECTOR DATE CITY OF CARLSBAD I SH1ET I ENGINEERING DEPARTMENT I SH3TS I DA TE INITIAL DA TE INITIAL EROSION CONTROL PLANS FOR: SAN DIEGO GAS & ELECTRIC CO. ENCINA PLANT POND CLOSURE APPROVE LLOY OWN BY: PROJECT NO. l-13· 'tl-~ DATE DRAWING NO. ENGINEER OF WORK REVISION DESCRIPTION OTHER APPROVAL Clli' APPR'.lVAL CHKD BY: ......,11-,41.,.,, RV'w'D BY1 6 PE c.9//5 321-88 CALIFORNIA COORD!AIATfS 354-/667 ... MIS11 I d'-1,c.~M 1,5 r~~t.£0 ~ . 2' NOTE: - ; I f:'Xl-5T, /::,.C ~TION~-A ?i . I 10' nm1. +-..,.! '2~: f"' U--ea,+3::::.•.:;;;.M;=-:4~• p,e,=:...1.~~ ji , JI I u, be. P->E-:Z M 1-S ~F2:"Se:c, ~II-Iii . ✓ !%!ST. 6;~1--lP~ ~ 1::-,Xi-=,T, t:,c. P-=ei2M 7 "-< .JACK II. EOWANOS --.--,,.l-$T. 6i~I-JD EXl'=>T. W&L TO 12Et-M.t 1'-1 e~T. J::,.c \ ' ' \ \ \ ! ' ' ' / CDNC. IZ/Be,t)/J GuTTeR-"5ee' OETAJL /tlE,eeON ' , ... z' rt-=-17 f 1 __ .'-111, I 1· L--~-.. Q::TAIL OF 1f111T C.13. 4fl?L?ll 1. Set posts and e1tcavate a 4-by 4-in (1(). by 10-cm) trench upslope from ltnd .:itona the line of oosu. 3. Attach the filter fabric to the wife iern.:e and e.:i;tend it into the trenr;_:h. ·> 2. Staph;, wire f,;mc(ng to, the posts. .. ----:-;-..-----· -✓ ----:-..., II. Backfill ano oompect the exCllVi:lttd soil. ll~•.·. ~ -~ ~.;: ~--~- - l•I . DATE INITIAL ~NGINEER OF v.QRK • "'-.,, .... •, _,,...., __ .......... ,,,., / .,-'./ATC/.1 ex1F7; Rl!.VING 2."Ac I 4 ~ $ \, ' eXIST Ac.BE!R'Jvf "ml<'c!vl.M>-.1 EXIST AC:. fl>.Vl;.J:5; - SeCTION c/J "/..OT TO SCA( E " n .I ' "AS BUILT" ' I SeCTION ,l../-J-1 RCE DATE EXP JI A.t7T' TO SOV E 11 REVIEWED BY. INSPECTOR . DATE I S2ET I CITY l'3[TSI OF CARLSBAD ENGi NEE RIN0 DEPARTMENT EROSION CONTROL PL.ANS FOR: SAN DIEGO GAS & ELEC:r. CO ENCINA PLANT POND CL(l)SURE: , .. APPROVE0:,;,"';7, ',.,,, .. ~ ~ 1~13;12_ LLOYD HUB c. J RE. 23889 'c; I TY/ ENG I Nf ER EJ,0 /l/J/193 DATE OWN.Bl', 11 ,.. ,.. PROJECT I NO. DRAWING NO. DATE INITIAL DATE CHKO.BY: ,,-·,~u REVISION DESCRIPTION INITIAL P.E. ·e.'J/,/S BZl-88 FIELD BK, 11'1THER APPROIAL CITY APPROVAL ,. ) / • \\ \ ,, \ • \ \ \ \ \ \ ' ' ' ' ' ' ' \ \ \ ·\ \ ' \ \ \ ' ' ' ' ' ' I ' \ __ ,..,, ,,,,,,~_,,,,, ,,,..,,, ,.,,.,., ., ,,~-' ,,,.,.,,.,,, . /' i \ \ ~ KEROU:VAL ENGINEERS CIVIL/S.RUCTIJRAL ENG:NEERING PlJJ'jNING AND SURVEYING 4740 MURPHY CANYON RD., sum: 310, SAN DIEGO, 'f' 92123-4321 DRAWN: AS41 CHECK: .//IE DESIGN: /ISM APPROVED: JACK II, .EDWARDS R,C,E, NO. //](72 DATE 12/11/92 (_ NON cOMPACTfD GWLJjtOJ --- DATE INITIAL REVISION NGINEEf! OF W)RK - DESCRIPTION DATE INITIAL DATE INITIAL THEf! APPRO,/AL CITY APPf!OIIAL /% MIN, CF:XIS~ GROUND ~NON COM?ACTEO FILL~ SECTION J<-K NO SCALE ,, "AS BUILT" DATE RCE ____ _ EXP.·----- REVIEWED BY; INl">PECTOR CITY OF CAR LS BAD ISHt:(TSI £NGINEERINO DEPARTMENT' 3 EROSION CONTROL PLAN§ FOR: SAN DIEGO GAS & ELECT. co, ENCINA PLANT POND CLOSURE A OWN.BY, CHKO,BY: FIELD BK, PROJECT f NO, P.E. 2. 9/. 15 DRAWING NO. '321-88