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HomeMy WebLinkAboutDWG 491-7A; MS 15-09; VALLEY STREET SUBDIVISION; 01-05' ' ' ! f3 -'.'.l ,A ~ y ';;I "' ~ ~ u ' ,...:- "" 5l ,-< ~ ~ "" ~ > ' ~ "' "' ~ ,A ;,: 0 " ~ u " l • ' , t ~ ::E '" s -~ -0 ~ '° f'-1 r -< " r< C ii: ' I / GRADING NOTES (IN ADDITION TO THE REQUIREMENTS OF CHAPTER 15.16 OF THE CARLSBAD MUNICIPAL CODE.) 1. THIS PLAN SUPERSEDES ALL OTHER PLANS PREVIOUSLY APPROVED BY THE CITY OF CARLSBAD REGARDING GRADING SHOWN ON THIS SET OF PLANS, 2. APPROVAL OF THIS PLAN DOES NOT LESSEN OR WAIVE ANY PORTION OF THE CARLSBAD MUNICIPAL CODE, RESOLUTION OF CONDITIONAL APPROVAL, CITY STANDARDS OR OTHER ADDITIONAL DOCUMENTS LISTED HEREON AS THEY MAY PERTAIN TO THIS PROJECT. THE ENGINEER IN RESPONSIBLE CHARGE SHALL REVISE THESE PLANS WHEN NON-CONFORMANCE IS DISCOVERED. 3. CITY APPROVAL OF PLANS DOES NOT RELIEVE THE DEVELOPER OR ENGINEER-OF- WORK FROM RESPONSIBILITY FOR THE CORRECTION OF ERRORS AND OMISSIONS DISCOVERED DURING CONSTRUCTION. ALL PLAN REVISIONS SHALL 8£ PROMPTLY SUBMITTED TO THE CITY ENGINEER FOR APPROVAL. 4. A RIGHT-OF-WAY PERMIT FROM THE CITY ENGINEER WILL 8£ REQUIRED FOR ANY WORK IN THE PUBLIC RIGHT OF WAY. PRIOR TO PERMIT ISSUANCE, A CERT/FICA TE OF INSURANCE AS WELL AS ADDITIONAL INSURED ENDORSEMENT MUST BE FILED NAMING THE CITY OF CARLSBAD AS AN ADDITIONAL INSURED ON THE PERMITTEE'S POLICY IN THE MINIMUM AMOUNT OF $1,000,000.00 FOR EACH OCCURRANCE OF LIABILITY. THE INSURANCE COMPANY WRITING THE POLICY MUST HAVE A RA TING OF "A-" OR BETTER ANO A SIZE CATEGORY OF CLASS VII OR BETTER AS ESTABLISHED BY "BESTS" KEY RA TING GUIDE. 6. NO WORK SHALL 8£ COMMENCED UNTIL ALL PERMITS HAVE BEEN OBTAINED FROM THE CITY AND OTHER APPROPRIATE AGENCIES. 7. APPROVAL OF THESE PLANS BY THE CITY ENGINEER DOES NOT AUTHORIZE ANY WORK OR GRADING TO BE PERFORMED UNTIL THE PROPERTY OWNER'S PERMISSION HAS BEEN OBTAINED AND A VALID GRADING PERMIT HAS BEEN ISSUED. 8. NO REVISIONS WILL 8£ MADE TO THESE PLANS WITHOUT THE WRITTEN APPROVAL OF THE CITY ENGINEER, NOTED WITHIN THE REVISION BLOCK, ON THE APPROPRIATE SHEET OF THE PLANS AND THE TITLE SHEET. 9. ORIGINAL DRAWINGS SHALL BECOME THE PROPERTY OF THE CITY UPON BEING SIGNED BY THE CITY ENGINEER. 10. THE ORIGINAL DRAWING SHALL BE REVISED TO REFLECT AS-BUILT CONDITIONS BY THE ENGINEER-OF-WORK PRIOR TO FINAL ACCEPTANCE OF THE WORK BY THE CITY, 11. ACCESS FOR FIRE AND OTHER EMERGENCY VEHICLES SHALL 8£ MAINTAINED TO THE PROJECT SITE AT ALL TIMES DURING CONSTRUCTION. 12. WHERE TRENCHES ARE WITHIN CITY EASEMENTS, A SOILS REPORT COMPRISED OF: (A) SUMMARY SHEET, (8) LABORATORY WORK SHEETS AND (C) COMPACTION CURVES, SHALL 8£ SUBMITTED BY A PROFESSIONAL ENGINEER OF THE STATE OF CALIFORNIA, PR/NC/PALLY DOING BUSINESS IN THE FIELD OF APPLIED SOILS MECHANICS. THE SOILS REPORT WILL 8£ SUBMITTED TO THE CITY ENGINEERING INSPECTOR WITHIN TWO WORKING DAYS OF THE COMPLETION OF FIELD TESTS. 13. A SOILS COMPACTION REPORT AND COMPLIANCE VER/FICA TION REGARDING ADHERENCE TO RECOMMENOA TIONS OUTLINED IN THE SOILS REPORT IS REQUIRED PRIOR TO THE ISSUANCE OF A BUILDING · PERMIT. ALL CONTROLLED GRADING SHALL 8£ DONE UNDER THE DIRECTION OF A PROFESSIONAL ENGINEER OF THE STATE OF CALIFORNIA PR/NC/PALLY DOING BUSINESS IN THE FIELD OF APPLIED SOILS MECHANICS. ALL FILL OR FUTURE FILL AREAS SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE CITY OF CARLSBAD STANDARD SPECIF/CATIONS ANO THE " EARTHWORK SPECIF/CATIONS " A TT ACHED TO THE PRELIMINARY SOILS INVEST/GA TION. DAILY FIELD COMPACTION REPORTS WILL 8£ SUBMITTED TO THE PROJECT INSPECTOR. 14. A PRECONSTRUCTION MEETING SHALL 8£ HELO AT THE SITE PRIOR TO THE R[GINNING Of WORK AND SHAii Rf ATTFNDW RY All REPRfSFNTATJVfS RESPONSIBLE FOR CONSTRUCTION, INSPECTION, SUPERVISION, TESTING AND ALL OTHER ASPECTS OF THE WORK. THE CONTRACTOR SHALL REQUEST A PRECONSTRUCTION MEETING BY CALLING THE INSPECTION LINE AT (760) 438-3891 AT LEAST FIV£(5) WORKING DAYS PRIOR TO STARTING CONSTRUCTION. THE CONTRACTOR WILL THEN BE CONTACTED BY THE PROJECT INSPECTOR TO COORDINATE A DATE AND TIME FOR THE PRECONSTRUCTION MEETING. APPROVED ORA WINGS MUST 8£ AVAILABLE PRIOR TO SCHEDULING. THE GRADING PERMIT WILL BE PROVIDED BY THE PROJECT INSPECTOR AT THE MEETING. 15. All INSPECTION REOU[STS OTHER THAN FOR PR[CON$TRUCTION MITT/NG WIii Bf MAD[ BY CAif ING THE fNGINffRfNG 24 HOUR INSPECTION RfQIIFST 1/Nf AT (760) 438-3891. INSPECTION REQUEST MUST BE RECEIVED PRIOR TO 2: 00 P.M. ON THE DAY BEFORE THE INSPECTION IS NEEDED. INSPECTIONS WILL · BE MADE THE NEXT WORK DAY UNLESS YOU REQUEST OTHERWISE. REQUESTS MADE AFTER 2: 00 P.M. WILL BE SCHEDULED FOR TWO FULL WORK DAYS LATER. 16. THE OWNER AND/OR APPLICANT THROUGH THE DEVELOPER AND/OR CONTRACTOR SHALL DESIGN, CONSTRUCT AND MAINTAIN ALL SAFETY DEVICES, INCLUDING SHORING, AND SHALL BE SOLELY RESPONSIBLE FOR CONFORMING TO ALL LOCAL, STATE AND FEDERAL SAFETY AND HEALTH STANDARDS, LAWS AND REGULATIONS. 17. THE CONTRACTOR SHALL CONFORM TO LABOR CODE SECTION 6705 BY SUBMITTING A DETAIL PLAN TO THE CITY ENGINEER AND/OR CONCERNED AGENCY SHOWING THE DESIGN OF SHORING, BRACING SLOPING OR OTHER PROVISIONS TO 8£ MADE OF WORKER PROTECTION FROM THE HAZARD OF CAVING GROUND DURING THE EXCAVATION OF SUCH TRENCH OR TRENCHES OR DURING THE PIPE INSTALLATION THEREIN. THIS PLAN MUST BE PREPARED FOR ALL TRENCHES FIVE FEET (5') OR MORE IN DEPTH AND APPROVED BY THE CITY ENGINEER AND/OR CONCERNED AGENCY PRIOR TO EXCAVATION. IF THF Pl AN VARIES FROM THF SHORING SYSTEM STANDARDS ESTABLISHED BY THE CONSTRUCTION SAFETY ORDERS, TITLE 8 CALIFORNIA ADMINISTRATIVE CODE THE PLAN SHALL BE PREPARED BY A REGISTERED ENGINEER AT THE CONTRACTORS EXPENSE, A COPY OF THE OSHA EXCAVATION PERMIT MUST BE SUBMITTED TO THE INSPECTOR PRIOR TO EXCAVATION. 18. NO BLASTING SHALL BE PERFORMED UNTIL A VALID BLASTING PERMIT HAS BEEN OBTAINED FROM THE CITY OF CARLSBAD. SUBMIT APPL/CATION FOR BLASTING PERMIT WELL IN ADVANCE OF THE SCHEDULING OF BLASTING OPERATIONS. 19. IF ANY ARCHAEOLOGICAL RESOURCES ARE DISCOVERED WITHIN ANY WORK AREA DURING CONSTRUCTION, OPERATIONS WILL CEASE IMMEDIATELY: AND THE PERM/TT££ WILL NOTIFY THE CITY ENGINEER. -OPERATIONS WILL NOT RESTART UNTIL THE PERM/TT££ HAS RECEIVED WRITTEN AUTHORITY FROM THE CITY ENGINEER TO DO SO. 20. ALL OPERATIONS CONDUCTED ON THE SITE OR ADJACENT; THERETO, INCLUDING WARMING UP, REPAIR, ARRIVAL, DEPARTURE OR ''OP[,_RATION OF .. TRUCKS, EARTHMOVING EQUIPMENT, CONSTRUCTION EQUIPMENT AND ANY·OTHER ASSOCIATED GRADING EQUIPMENT SHALL BE LIMITED TO THE PERIOD BETWEEN 7: 00 A.M. AND 6: 00 P.M. EACH DAY, MONDAY THRU FRIDAY AND NO , EARTHMOVING OR GRADING OPERATIONS SH,{\LL •'. 8E CONDUCTED ON W££KEN~5 QR//jOLIOA YS. ( A LIST OF Cl TY HOLIDAYS IS AVAILABLE AT THE ENGINEERING DEPARTMENT COUNTER.) 21. ALL OFF-SITE HAUL ROUTES SHALL BE SUBMITTED BY THE CONTRACTOR TO THE CITY ENGINEER FOR APPROVAL TWO FULL WORKING DAYS PRIOR TO BEGINNING OF WORK. 22. IMPORT MATERIAL SHALL BE OBTAINED FROM, AND WASTE MATERIAL SHALL BE DEPOSITED AT, A SITE APPROVED BY THE CITY ENGINEER. · THE CONTRACTOR SHALL BE RESPONSIBLE FOR ANY DEBRIS OR DAMAGE OCCURRING ALONG THE HAUL ROUTES OR ADJACENT STREETS AS A RESULT OF THE GRADING OPERATION. 23. BRUSH SHALL 8£ REMOVED ONLY WITHIN THE AREA TO BE GRADED. NO TREES ARE TO BE REMOVED UNLESS SPECIF/CALLY NOTED ON THE PLAN. 24. ALL AREAS SHALL BE GRADED TO DRAIN. GRADING RESULTING IN THE PONDING OF WATER IS NOT PERMITTED. ALL EARTHEN SWALES AND DITCHES SHALL HAVE A MINIMUM ONE PERCENT SLOPE. 25. THESE PLANS ARE SUBJECT TO A SIGNED AND APPROVED SWPPP AND/OR SET OF EROSION CONTROL PLANS. EROSION CONTROL SHALL 8£ AS SHOWN AND AS APPROVED BY THE CITY ENGINEER OR AS DIRECTED BY THE PROJECT INSPECTOR. 26. ALL SLOPES SHALL BE TRIMMED TO A FINISH GRADE , TO PRODUCE A UNIFORM SURFACE AND CROSS SECTION. THE SITE SHALL BE LEFT IN A NEAT AND ORDERLY CONDITION. ALL STONES, ROOTS OR OTHER DEBRIS SHALL BE REMOVED AND DISPOSED OF AT A SITE APPROVED OF BY THE CITY ENGINEER. 27. ALL SLOPES SHALL BE IRRIGATED, STABILIZED, PLANTED AND/OR HYDROSEEDED WITHIN TEN (10) DAYS OF THE TIME WHEN EACH SLOPE IS BROUGHT TO GRADE AS SHOWN ON THE APPROVED GRADING PLANS, 28. LANDSCAPING SHALL BE ACCOMPLISHED ON ALL SLOPES AND PADS AS REQUIRED BY THE CITY OF CARLSBAD LANDSCAPE MANUAL, THE LANDSCAPING PLANS FOR THIS PROJECT, DRAWING NO. N~ , AND/OR AS DIRECTED BY THE CITY ENGINEER OR PLANNING DIRECTOR. SPEA:;: & ASSOCIP.TES, INC JOB NO 15-131 JRZ 29. THE OWNER/APPLICANT SHALL INSURE THAT ALL CONTRACTORS SHALL COORDINATE THE WORK OF THESE GRADING PLANS WITH THAT SHOWN ON BOTH THE LANDSCAPE AND /RR/GA TION PLANS AND THE IMPROVEMENT PLANS AS REQUIRED FOR THIS WORK IN ACCORDANCE WITH THE LANDSCAPE MANUAL TIME REQUIREMENTS. 30. WHERE AN EXISTING PIPE LINE IS TO BE ABANDONED AS A RESULT OF THE GRADING OPERATION, IT SHALL 8£ REMOVED WITHIN TWENTY FEET OF BUILDING OR STREET AREAS AND REPLACED WITH PROPERLY COMPACTED SOILS. IN OTHER AREAS THE PIPE WILL BE PLUGGED WITH CONCRETE OR REMOVED AS APPROVED BY THE CITY ENGINEER. 31. THE CONTRACTOR SHALL VERIFY THE LOCATION OF ALL EXISTING FACILITIES ( ABOVE GROUND AND UNDER GROUND ) WITHIN THE PROJECT SITE SUFFICIENTLY AHEAD OF GRADING TO PERMIT THE REVISION OF THE GRADING PLANS IF IT IS FOUND THAT THE ACTUAL LOCATIONS ARE IN CONFLICT WITH THE PROPOSED WORK. 32. THE CONTRACTOR SHALL NOTIFY AFFECTED UTILITY COMPANIES (SEE BELOW) AT LEAST 2 FULL WORKING DAYS PRIOR TO STARTING GRADING NEAR THEIR FACILITIES AND SHALL COORDINATE THE WORK WITH A COMPANY REPRESENTATIVE. UNDERGROUND SERVICE ALERT (800)422-4133 SDG&:£ (800)411-7343 AT&:T (800)892-0123 TIME WARNER CABLE (760)438-7741 COX COMMUN/CATIONS (619)262-1122 CITY OF CARLSBAD(STREETS &: STORM DRAIN) (760)434-2980 'CITY OF CARLSBAD(SEWER, WATER &: RECLAIMED WATER) (760)438-2722 'SAN 0/EGU/TO WATER DISTRICT (760)633-2650 '1..EUCADIA WASTEWATER DISTRICT (760)753-0155 'VALLEC/TOS WATER DISTRICT (760)744-0460 'OLIVENHAIN WATER DISTRICT (760)753-6466 'BUENA SAN/TA TION DISTRICT (760)726-1340 xi 330 *AS APPROPRIATE 33. PERMIT COMPLIANCE REQUIREMENTS: A. FOR CONTROLLED GRADING -THE APPLICANT HIRES A CIVIL ENGINEER, SOILS ENGINEER, AND/OR GEOLOGIST TO GIVE TECHNICAL ADVICE, OBSERVE AND CONTROL THE WORK IN PROGRESS {15.16.120 A.BJ CARLSBAD MUNICIPAL CODE. B. PRIOR TO FINAL APPROVAL OF A GRADING PERMIT -THE FOLLOWING REPORTS MUST 8£ SUBMITTED TO THE CITY ENGINEER VIA THE PROJECT INSPECTOR {15.16.120 A.10/ CARLSBAD MUNICIPAL CODE: (1) FINAL REPORT BY SUPERVISING GRADING ENGINEER STA TING ALL GRADING IS COMPLETE. ALL EROSION CONTROL, SLOPE PLANTING AND /RR/GA T/ON ARE INSTALLED IN CONFORMANCE WITH CITY CODE AND THE APPROVED PLANS ( OBTAIN SAMPLE OF COMPLIANCE LETTER FROM CITY ENG/NEERING DEPARTMENT). (2) AS-BUILT GRADING PLAN. (3) REPORT FROM THE SOILS ENGINEER, WHICH INCLUDES RECOMMENDED SOIL BEARING CAPACITIES, A STATEMENT AS TO THE EXPANSIVE QUALITY OF THE SOIL, AND SUMMARIES OF FIELD AND LABORATORY TESTS. THE REPORT SHALL ALSO INCLUDE A STATEMENT BY THE SOILS ENGINEER THAT THE GRADING WAS DONE IN ACCORDANCE WITH THE REQUIREMENTS AND RECOMMENDATIONS OUTLINED IN THE PRELIMINARY SOILS REPORT AND ANY SUPPLEMENTS THERETO. ( 4) REPORT WITH AS-BUILT GEOLOGIC PLAN, IF REQUIRED BY THE CITY: 34. UNLESS A GRADING PERMIT FOR THIS PROJECT IS ISSUED WITHIN ONE (1) YEAR AFTER THE CITY ENGINEER'S APPROVAL, THESE PLANS MAY BE REQUIRED TO 8£ RESUBMITTED FOR PLANCHECK. PLANCHECK FEES WILL BE REQUIRED FOR ANY SUCH RECHECK. 35. IN ACCORDANCE WITH THE CITY STORM WATER STANDARDS, ALL STORM DRAIN INLETS CONSTRUCTED BY THIS PLAN SHALL INCLUDE "STENCILS" 8£ ADDED TO PROHIBIT WASTEWATER DISCHARGE DOWNSTREAM. STENCILS SHALL BE ADDED TO THE SATISFACTION OF THE CITY ENGINEER. "DECLARA T/ON OF RESPONSIBLE CHARGE" I HEREBY DECLARE THAT I AM THE ENGINEER OF WORK FOR THIS PROJECT, THAT I HA VE EXERCISED RESPONSIBLE CHARGE OVER THE DESIGN OF THE PROJECT AS DEFINED IN SECTION 6703 OF THE BUSINESS AND PROFESSIONS CODE, AND THAT THE DESIGN IS CONSISTENT WITH CURRENT STANDARDS. / I UNDERSTAND THAT THE CHECK OF PROJECT DRAWINGS AND SPECIF/CATIONS BY THE CITY OF CARLSBAD DOES NOT RELIEVE ME, AS ENGINEER OF WORK, OF MY RESPONSIBILITIES FOR PROJECT DESIGN. FIRM: SPEAR &: ASSOC/A TES, INC. ADDRESS: --~4_75f--P--'R~OD~U~C~T,--'/O~N_S_T,_R~EE_T _____ _ CITY, STATE.:·---~S~AN~M~A~R~C-=-OS~,_C~Af--_____ _ TELEPHONE: /760) 7]6-2040 BY: = DANNY ABADA R.C.£. NO ... ·_ --------"45c=3c.e8-'-1 ________ -· REG/STRA TION EXP/RATION DAT£: ______ 9_-_3_o_-_16_" SOILS ENGINEER'S CERT/FICA TE /, MATTHEW MARCUS A RFG/STERED (CIVIL/ GEO TECHNICAL) ENGINEER OF THE STA TE OF CALIFORNIA, PR/NC/PALLY DOING BUSINESS IN THE FIELD OF APPLIED SOILS MECHANICS, HEREBY CERTIFY THAT A SAMPLING AND STUDY OF THE SOIL CONDITIONS PREVALENT WITHIN THIS SITE WAS MADE BY ME OR UNDER MY DIRECTION BETWEEN THE DA TES OF MAY 8 20 15AND MAY 8 2015 . T.11'Q___ COPIES OF THE SOILS REPORT COMPILED FROM THIS STUDY, WITH MY RECOMMENDATIONS, HAS BEEN SUBMITTED TO THEi~)f"_ ICE OF THE CITY ENGINEER. afESS/ cc _.( -~'le O,y1 \ '--;77011 ,:!r' ,, "'ii ,If '(i SIGNED: ___ -__, /I,_ ''-_jv·c-----------1--...:. ,,, ,f,p ,:;-> ._ · f£ ~ <> j G.£./P.£. NO.: _,C"'.E"'-.--'8'-'1-=-59'-'1 _________ _ l~ « c-~1591 c ~ b _1,J c,c "' "' "' DA TE: _ • 7---.01 b.Q *· ., '• * -~~~===f---------- ,Jl ~"~I-~ . 1,,, CIV\1-J'!'' 'or c,1,1\~ LICENSE EXP/RATION DA TE: OWNER'S CERT/FICA TE 5/8/17 I ( WE ) HEREBY CERTIFY THAT A REGISTERED SOILS ENGINEER OR GEOLOGIST HAS BEEN OR WILL BE RETAINED TO SUPERVISE OVER-ALL GRADING ACTIVITY AND ADVISE ON THE COMPACTION AND STABILITY OF THIS SITE. IF THIS PROJECT/DEVELOPMENT IS SUBJECT TO A STATE- REGULA TED SWPPP, I (WE) ALSO AGREE A QUALIFIED SWPPP PRACTITIONER (QSP) HAS BEEN OR WILL BE RETAINED TO SUPERVISE IMPLEMENTATION OF THE SWPPP IN ACCORDANCE WITH THE CALIFORNIA CONSTRUCTION ORDER AND MUNICIPAL PERMIT, LA TEST VERSe_, 1 ~~..e.r?e: t:}01:/e~t, G-1 ::i -zo 1r., (/CARLSBAD UNIFIED SCHOOL DISTRICT DA TE SOURCE OF TOPOGRAPHY TOPOGRAPHY SHOWN ON THESE PLANS WAS GENERA TED BY FIELD EROSION CONTROL NOTFS 1. IN CASE EMERGENCY WORK IS REQUIRED, CONTACT JOSH MAZUR AT 619-742-7874 (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. FOR PROJECTS COVERED BY STA TE SWPPP /WDID, IN ACCORDANCE WITH THE CONSTRUCTION ORDER ISSUED BY THE CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD, THE QUALIFIED SWPPP PRACTITIONER (QSP) SHALL UPDATE AND MAINTAIN THE WATER POLLUTION CONTROL (WPC) PLAN TO ADDRESS UPDATED SITE CONDITIONS OF THE PROJECT. THE UPDATED WPC PLAN AND UPDATED SWPPP SHALL BE KEPT AT THE PROJECT SITE AND MADE AVAILABLE TO THE CITY INSPECTOR. ADDITIONAL CONSTRUCTION BMP'S BEYOND THE ORIGINAL APPROVED SWPPP SHALL BE PROVIDED TO ADDRESS SITE CONDITIONS NOT ANTIC/PA TED. THE QSP SHALL REPORT BMP DEFICIENCIES TO THE CITY INSPECTOR. THE QSP SHALL OBTAIN APPROVAL FROM THE QUALIFIED SWPPP DEVELOPER AND THE CITY INSPECTOR REGARDING ANY SIGNIFICANT CHANGES TO BMP DEPLOYMENT. 4. THE CONTRACTOR SHALL RESTORE ALL EROSION CONTROL DEVICES TO WORKING ORDER TO THE SATISFACTION OF THE CITY ENGINEER AFTER EACH RUN-OFF PRODUCING RAINFALL. 5. THE CONTRACTOR SHALL INSTALL ADDITIONAL EROSION CONTROL MEASURES AS MAY 8£ REQUIRED BY THE CITY ENGINEER DUE TO UNCOMPLETED GRADING OPERATIONS OR UNFORESEEN CIRCUMSTANCES WHICH MAY ARISE. 6. THE CONTRACTOR SHALL BE RESPONSIBLE AND SHALL TAKE NECESSARY PRECAUTIONS TO PREVENT PUBLIC TRESPASS ONTO AREAS WHERE IMPOUNDED WATERS CREA TE A HAZARDOUS CONDITION. 7. ALL EROSION CONTROL MEASURES PROVIDED PER THE APPROVED SWPPP AND/OR EROS/ON CONTROL PLAN SHALL BE !NCORPORA TED 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 (407.). SILT AND OTHER DEBRIS SHALL BE REMOVED AFTER EACH RAINFALL. 10. ALL GRAVEL BAGS SHALL BE BURLAP TYPE WITH 3/4 INCH MINIMUM AGGREGRA TE. 11. SHOULD GERMINATION OF HYDROSEEDED SLOPES FAIL TO PROVIDE EFFECTIVE COVERAGE OF GRADED SLOPES (907. COVERAGE) PRIOR TO NOVEMBER 15, THE SLOPES SHALL BE STABILIZED BY PUNCH STRAW INSTALLED IN ACCORDANCE WITH SECTION 35.023 OF THE EROSION AND SE:DIM[NT CONTROL HANDBOOK OF TH[ D£PARTM£NT OF CONS[RVA TION, TEMPORARY EROSION CONTROL PLANTING AND /RR/GA TION STA TE OF CALIORNIA. ALL PERMAN NT AND TEMPORARY EROSION CONTROL PLANTING AND /RR/GA TION SHALL BE INSTALLED .4,ND MAINTAINED AS REQUIRED IN SECTION 212 OF THE STANDARD SPECIF/CATION~ AND THE FOLLOWING: A. H YDROSEEDING SHALL BE APPLIED TO: 1. ALL SLOPES THAT ARE GRADED 6: 1 (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: 1 WHEN ANY OF THE FOLLOWING CONDITIONS EXIST: a. NOT SCHEDULED FOR IMPROVEMENTS(CONSTRUCT/ON 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 SPECIAL CONDITION IDENTIFIED BY THE CITY ENGINEER THAT WARRANTS IMMEDIATE TREATMENT. B. HYDROSEEDED AREAS SHALL 8£ /RR/GA TED IN ACCORDANCE WITH THE FOLLOWING CRITERIA: 1. ALL SLOPES THAT ARE GRADED 6: 1 OR STEEPER AND THAT ARE: a. THREE TO EIGHT FEET IN HEIGHT SHALL BE /RR/GA TED BY HAND WATERING FROM QUICK COUPLERS/HOSE BIBS OR A CONVENTIONAL SYSTEM OF LOW PRECIPITATION SPRINKLER HEADS PROVIDING 1007. COVERAGE. b. GREATER THAN 8 FEET IN HEIGHT SHALL BE WATERED BY A CONVENTIONAL SYSTEM OF LOW PRECIP/TA TION SPRINKLER HEADS PROVIDING 1007. COVERAGE. 2, AREAS SLOPED LESS THAN 6: 1 SHALL 8£ /RR/GA TED AS APPROVED BY THE CITY ENGINEER, PRIOR TO HYDROSEEDING. THE DEVELOPER SHALL SUBMIT A PROPOSED SCHEME TO PROVIDE /RR/GA TION TO THE CITY ENGINEER. THE PROPOSAL SHALL 8£ 'SPECIFIC REGARDING THE NUMBERS, TYPES AND COSTS OF THE ELEMENTS OF THE THE PROPOSED SYSTEM. 3. !RR/GA TION SHALL MAINTAIN THE MOISTURE LEVEL OF THE SOIL AT THE OPTIMUM LEVEL FOR THE GROWTH OF THE HYDROSEEDED GROWTH. C. HYDROSEEDING MIX SHALL CONSIST OF ALL OF THE FOLLOWING: 1. 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. PER ACRE OF E SCHOOL CIA CAL/FORNICA d. 4 lbs. PER ACRE OF ACHILLEA MILLEFOLIA e. 3 lbs. PER ACRE OF ALYSSUM (CARPET OF SNOW) SHEET INDEX: GRADING PLAN TITLE SHEET ............ SHEET 1 GRADING PLAN .................................. SHEET 2 SECTIONS .......................................... SHEET 3 TIER 2 SWPPP TITLE SHEET ............ SHEET 4 EROSION CONTROL PLAN .................. SHEET 5 LEGAL OESCl{IJ'TION THE "REMAINDER PARCEL" AS SHOWN ON PARCEL MAP NO. 12263, IN THE CITY OF CARLSBAD, COUNTY OF SAN DIEGO, STATE OF CALIFORNIA, FILED IN THE OFFICE OF THE COUNTY RECORDER OF SAN DIEGO COUNTY ON AUGUST 11, 1982 AS FILE NO. 82-246544 OF OFFICIAL RECORDS. EXCEPTING THEREFROM THAT PORTION, DESCRIBED AS FOLLOWS: BEGINNING AT A CENTERLINE MONUMENT, SAID MONUMENT BEING THE CENTERLINE INTERSECTION OF MAGNOLIA STREET AND VALLEY STREET IN THE CITY OF CARLSBAD, CALIFORNIA; THENCE ALONG THE CENTERLINE OF VALLEY STREET NORTH 28'39'38" WEST 30.00 FEET; THENCE LEAVING THE CENTERLINE SOUTH 61 021 'oo" WEST 30.00 FEET TO THE MOST SOUTHEASTERLY CORNER OF SAID REMAINDER PARCEL OF PARCEL MAP NO. 12263; THENCE FROM SAID CORNER ALONG THE BOUNDARY LINE NORTH 28'39'38" WEST 301.89 FEET TO THE TRUE POINT OF BEGINNING; THENCE FROM THE TRUE POINT OF BEGINNING SOUTH 61 021 '51" WEST 115.00 FEET; THENCE NORTH 28'39'38" WEST 135.00 FEET; THENCE NORTH 61'21'51" EAST 115.00 FEET; THENCE SOUTH 28'39'38 EAST 135.00 FEET TO THE TRUE POINT OF BEGINNING. EXCEPTING THEREFROM PARCEL A OF SAID PARCEL MAP NO. 12263. l'HOJECT AIJIJHESS: 3679 VALLEY STREET CARLSBAD, CA 92008 DEVELOl'EI< NAME: RUZAM, LLC ADDRESS: 3556 VALLEY STREET CARLSBAD, CA 92008 CONTACT: JOSH MAZUR PHONE NO: (619) 742-7874 HEFEHENCE DHAWIJ\'GS DWG. NO. 388-4 UENCII J\IAEK EAHTIIWOHK QUANTITIES CUT: 369 CY FILL: 705 CY IMPORT: 336 CY EXPORT: a CY REMEDIAL: 1100 CY OWNEI< CARLSBAD UNIFIED SCHOOL DISTRICT 6225 EL CAMINO REAL CARLSBAD, CA 92009 CONTACT: CURT HUCKINS PHONE NO: (760) 331-5000 DESCRIPTION: 2.5" 80 IN WEST CURB OF VALLEY ST., STH OF MAGNOLIA A VE. IN FRONT OF VALLEY JUNIOR HIGH SCHOOL. 65' SW OF PP P225725. ELEVATION: -'.1.c:78"'-.'-'73"=2~'-------DATUM: NGVD 88 ©&lmls@[ID&[Q) CARLSBAD VILLAGE DR. f. 1/2 lb. PER ACRE OF 0/MORPHOLECA g. ITEMS c,d,e, AND f OF THIS SUBSECTION MAY BE OMITTED ON LOCATIONS WHERE THE AREA BEING HYDROSEEDED IS NOT VISIBLE FROM EITHER A PUBLIC STREET OR RESIDENTIAL STRUCTURES. h. ITEM a OF THIS SUBSECTION MUST BE /NOCULA TED WITH A NITROGEN FIXING BACTERIA AND APPLIED DRY EITHER BY DRILLING OR BROADCASTING BEFORE HYDROSEEDING. il~111 ~hi), PLANS PREPARED BY: i. ALL SEED MATERIALS SHALL 8£ TRANSPORTED TO THE JOBS/TE IN UNOPENED CONTAINERS WITH THE CALIFORNIA DEPARTMENT OF FOOD AND A GR/CUL TUR£ CERT/FICA TION TAG ATTACHED TO, OR PRINTED ON SAID CONTAINERS. j NON-PHYTO-TOX/C WETTING AGENTS MAY BE ADDED TO THE HYDROSEED SLURRY AT THE DISCRETION OF THE CONTRACTOR. I.I. SPEAR & ASSOCIATES, INC. ~ -CIVIL ENGINEERING & LAND SURVEYING = ., \, 475 PRODUCTION STREET, SAN MARCOS, CA 92078 • PHONE (760) 736-2040 FAX (760) 736-4866 ] WWW.SPEARINC.NET \~'.'. " - I ~ ~-";~" = '? ~~~ 2. TYPE 1 MULCH APPLIED AT THE RA TE OF NO LESS THAN 2000 lbs PER ACRE. ' ~ ~ ~ ~ ~ ~ MS 15-09 WOI<K TO UE DONE THE GRADING WORK SHALL CONSIST OF THE CONSTRUCTION OF ALL CUTS AND FILLS, REMEDIAL GRADING, DRAINAGE FACILITIES, EROSION CONTROL FACILITIES, AND PLANTING OF PERMANENT LANDSCAPING AND PREPARATION OF AS-BU/LT GRADING PLANS, AS-8/UL T GEOLOGIC MAPS AND REPORTS, ALL AS SHOWN OR REQUIRED ON THIS SET OF PLANS AND THE CITY STANDARDS, SPECIF/CATIONS, REQUIREMENTS, RESOLUTIONS AND ORDINANCES CITED ON THESE PLANS. THE GRADING WORK SHALL BE PERFORMED IN ACCORDANCE WITH THE FOLLOWING DOCUMENTS, CURRENT AT THE TIME OF CONSTRUCTION, AS DIRECTED BY THE CITY ENGINEER. 1. CARLSBAD MUNICIPAL CODE 2. CITY OF CARLSBAD ENGINEERING STANDARDS 3. THIS SET OF PLANS 4. RESOLUTION NO. MS 15-09 DATED 11/13/15 5. THE STANDARD SPECIF/CATIONS FOR PUBLIC WORKS CONSTRUCT/ON (GREEN BOOK). 6. SOILS REPORT AND RECOMMENDATIONS BY_ecPA:eR2cT,"'-N'='ERc,,S,___ ____ _ _____ DATED MAY 8 2015 7. THE SAN DIEGO REGIONAL STANDARD DRAWINGS AND AS MAY BE MODIFIED BY THE CITY OF CARLSBAD STANDARDS. 8. CALIFORNIA COASTAL COMMISSION DEVELOPMENT PERMIT CONDITIONS DA TED Nf!! 9. ENVIRONMENTAL APPROVAL DOCUMENTS DATED -~N=I.A _____ ~ 10. STORM WATER POLLUTION PREVENTION PLAN SW 16-38 PREPARED 1 BY SPEAR &: ASSOCIATES DATED 5/13/16 SW NO. I 16-38 WDID NO. 9 375 ____________ '~ 11. STORM WATER QUALITY MANAGEMENT PLAN SWQMP)6-04 PREPARED _\ BY SPEAR&: ASSOCIATES DATED 5L]_3_J6 SWQMP NO., 16-04 J" \ 12. CALIFORNIA STORM WATER QUALITY ASSOC/A TION BMP CONSj~TION HANDBOOK AND CAL TRANS CONSTRUCTION SITE BMP MANUAL. LEGE ~JI) -. DESCHil'TION IJWG."10" SYMLIOL PROPERTY BOUNDARY STREET CENTERLINE EXISTING CONTOURS LIMITS OF GRADING PROPOSED CONTOURS DIRECTION OF DRAINAGE EXISTING SEWER LINE EXISTING WATER LINE EXISTING GAS LINE EXISTING WOOD FENCE EXISTING CHAINLINK FENCE DRAINAGE EASEMENT BUILDING ROOFTOP EXISTING CONCRETE PROPOSED CUT\FILL SLOPE PERVIOUS PAYERS RETAINING WALL 4" PVC 6" PVC RIP-RAP 36"x36" BROOKS TYPE CATCH BASIN 12" HDPE STORM DRAIN CURB OUTLET DRIVEWAY TRENCH RESURFACING PROPOSED SEWER LATERAL W/ CLEAN OUT PROPOSED WATER LATERAL W/ METER CATCH BASIN W/ ATRIUM GRATE C-3 (SDRSD) D-40 (SDRSD) D-60 (SDRSD) (D-25) (G-14A) SP-02 (SDRSD) SC-01 WS-01 -----------9 0 0 ----------- -----,,. ------ C --f7l_J----1~_j---------S[J-. ~ I ,\i_ < ·1 j 2: 1 j -,0-SD-SD- -SD-SD-SD- [OI :\ jJ-------------------j~ QUANTITY 1,432 S.F. 1200 S.F. 160 L.F. 53 L.F. 6 EA .. 3 EA. 200 L.F. 1 EA. 436 S.F. 16 L.F. 2 EA. 2 EA. 1 EA. TYPE 6 MULCH (STRAW) MAY 8£ SUBSTITUTED, ALL OR PART, FOR HYDRAULICALLY APPLIED FIBER MATERIAL. WHEN STRAW IS USED IT MUST BE ANCHORED TO THE SLOPE BY MEGHAN/CALLY PUNCHING NO LESS THAN 507. OF THE STRAW INTO THE SOIL. POST-CONSTIIUC'l'ION IIIIP Till.I 3. FERTILIZER CONSISTING OF AMMONIUM PHOSPHATE SULFATE, 16-20-0, WITH 157. SULPHUR APPLIED AT THE RA TE OF 500 lbs. PER ACRE. D. AREAS TO BE HYDROSEEDED SHALL BE PREPARED PRIOR TO HYDROSEEDING BY: 1. ROUGHENING THE SURFACE TO BE PLANTED BY ANY OR A COMB/NATION OF: a. TRACK WALKING SLOPES STEEPER THAN 6: 1 b. HARROWING AREAS 6: 1 OR FLATTER THAT ARE SUFFICIENTLY FRIABLE. c. RIPPING AREAS THAT WILL NOT BREAK UP USING ITEMS a OR b ABOVE. 2. CONDITIONING THE SOILS SO THAT IT IS SUITABLE FOR PLANTING BY: a. ADJUSTING THE SURFACE SOIL MOISTURE TO PROVIDE A DAMP BUT NOT SATURATED SEED BEp. b. THE ADDITION OF SOIL AMENDMENTS, PH ADJUSTMENT, LEACHING COVERING SALINE SOILS TO PROVIDED VIABLE CONDITIONS FOR GROWTH. £. HYDROSEEDED AREAS SHALL BE MAINTAINED TO PROVIDE A VIGOROUS GROWTH UNTIL THE THE PROJECT IS PERMANENTLY LANDSCAPED OR, FOR AREAS WHERE HYDROSEED/NG IS THE THE PERMANENT LANDSCAPING, UNTIL THE PROJECT IS COMPLETED AND ALL BONDS RELEASED. STORMWA TER REQUIREMENTS THAT APPLY: □ STANDARD STORMWA TER REQUIREMENTS (X] PRIORITY PROJECT REQUIREMENTS DISCRIPTION OlrNIIISBIP FLOWTHROUGH BIOFIL TRATION BASIN PRIVATE EXEMPT FROM HYDROMODIFICA TION? [XI YES (SEE SWQMP FOR DOCUMENTATION) □ NO IWNTINANCI !GRDIIINT SBIIT NO. 2 IWNTIN!NCI PIIIQUINCY TWICE A YEAR '' AS BUILT" ~ ~i,i;XP, 9/'$Q/'UJ REVIE~ f---------------------+-----1--------l --"M-=..!-<;. ~'-"='-'----'------, INSPECTOR DATE 1o/1z./1'1 DATE f----+---f--------------+---+---l-----l------11 SHElET I CITY OF CARLSBAD I SHE5ETS I ;::=:::::::=:'....'::::=:::::::E::::N:::G:::IN::::E::::E:::R::::I N::::G::::::::D:::E:::P:::A:::R::T::::M:::E::::NT:'::==='-'===~ Plil:Cl8c'. C:l!AUIJ,,C: ['LAN 1•'01< SURVEY METHODS FROM INFORMATION GATHERED ON 07127 TOTAL LOT AREA -34 607 Sf RE\;lAINDRR PARCEL, PM 12.263 VALLJ,;Y STREET 20 _.1_5_ BY SPEAR & A SSOCIA TFS INC TOPOGRAPHY SHOWN HEREON CONFORMS TO NATIONAL MAP ACCURACY STANDARDS. PROJECT LOCATION . . THIS PROJECT IS LOCATED WITHIN ASSESSORS PARCEL NUMBER(S) 205-220-75 THE CALIFORNIA COORDINATE INDEX OF THIS PROJECT IS: N 2002 E-"'62,,,2s,.,5,_ _______ _ I·'' i TOTAL DISTURBED AREA -30 705 SF (THIS AREA INCLUDES BUT IS NOT LIMITED TO OFF-SITE WORK INCLUDING PUBLIC IMPROVEMENTS AND TEMPORARY DISTURBANCE SUCH AS VEHICLE AND EQUIPMENT STAGING AREAS, CONSTRUCT/ON WORKER FOOT TRAFFIC, SOIL/GRAVEL PILES, UTILITY TRENCHES, BACKFILL CUTS AND SLOPE KEYWA YS) TOTAL REPLACED IMPERVIOUS AREA -0 $F TOTAL PROPOSED IMPERVIOUS AREA 11 504 SF I ' I I ! I i I I PREPARED UNDER THE SUPERVISION OF:f---+--->------------------+---+--__je--_ __jf-_ _j :C=======<=T'oclT=;L'=E===SH=E=E=T=========~ APPROVED: / / '/ 1 j I JASON S. GELDERT ----~/ •~t,J.~~-------, 8• 'JO, Z,OJl, CITY ENGINEER" RCE 63912 EXPIRES 9/30/16 DATE DAN ABADA R.C.E. 45381 DATE EXP. 9/30/16 ENGINEER OF WORK I REVISION DESCRIPTION ' •1 I I ' ' ' I , •. I I 1 1, , I 11 . ' . I . I • . · 1 I 'I.I I 11 II '! . I I i I I' ' I I ,!1 iii .I I ' DATE INITIAL DA TE INlllAL OTHER APPROVAL CITY APPROVAL I . I ' I' . DWN BY: N,ID CHKD BY: SC, RVWD BY: -5,fZA PROJECT NO. lv[Sl 5-Cl 9 I , ' i DRAWING NO. 491-7 A j I' , 092716 . ' ' I ..... Cl ll ~ -2 (j) 2 C s: [XI m ll \ Cl ll ~ -2 (j) 2 C: 3: [XI m ll Cl ll ~ 2 (j) 2 C: s: [XI m ll ' I i , I I L __ M ' ~ •n t e' ", . ! ) 00 C/L R/W I 60'1R.O.W. JO' 20' [X. AC PA VEM[NT PROPERTY --- BOUNDARY ,5' /Q' /Q' I 4.5• , £DC£ or ~ EX. AC BERM PAVEMENT Ex. GROUNo!}" ~--c¼!,7. ~"'==;§2"'~· ~~======1=~~2"'~· ~}--~- 2: I At4X. FUTURE IMPROVEMENTS R/W PROPERTY BOUNDARY~ JO' 20' VALLEY STREET 10' LOOKING NORTH NO-SCALE C/L I 60'1R.O.W. R/W \ DIRT 180.e 113. R/W i I 119. hl 114. " EX. GROUND§ ~---c:7':':'=,§2%~, ~=======f'==~====='===="=r=r-~ I l 2:1 MAX. EX. P.C.C. CURB, GUTTER AND SIDEWALK EX. A. C. PAVEMENT MAGNOLIA AVENUE LOOKING EAST NO-SCALE ~&OO©@llo [RJl]&~ 00@ □ 'iJ ~~®~ ~@00□ OO@[RJ(]&O[Rf]ITD@OO ~&OO©@llo I EX. P. C. C. CURB, r 1~ I " GUTTER AND SIDEWALK CARLSBAD JUNIOR HIGH SCHOOL 20 5 ' PROPOSED DRAIN) . PER At4P NO. MS 1 Of) ; " I PARCEL 4 NO GRADING OR IMPROVEMENTS PROPOSED 10 0 20 SCALE: 1 ,, ' I. I ,, 40 20' 60 BIOFIL TRATION ttili~] BASIN 205 SQUARE FOOT FS=/75.35' 50 . PROPOSED ORAi ME, PER MAP NO . .1M;,,a..u.,I oe!4.. BIOFIL ON B Ill'. r l I I \: r1 I ID ~ I 4 'o I I I BRADY CIRCLE APN. 203-110-76 179.~4 FG . .--~-·; :_ __ :i~'} 1 Fi ll ----------. ' •• I •• I I I l I Ii ' I I I I i EX EDGE orl I PAV[M[IIT : i I I I . I I STA. 1+42.68 10 STA. 1+22.11 3 I I I STA. 8+48.011 10 i : ~-r' Ex EDGE orl PAVEMENT 1 I I _JO.OD' I - ' 1.00' 2.00' EXISTING P.C.C. CURB\ & GUTTER TO BE REPLACED MINIMUM MINIMUM '=~~~,'" ., .r--.;-:-: • ' ,..:,/:,-u <!-s:_--:-,U/\.,;,;'/)<<:?:; EX AC S4WCUT, REMOVE & '•:%;';},:,· 2""DEPTH GRIND REPLACE ENTIRE SECTION. AND OVERLAY MATCH EXISTING SECTION TO CARLSBAD STANDARDS. SAWCUT, GRIND AND OVERLAY TYPICAL SECTION NOT-TO-SCALE 1.2' 1.0· MIN. MIN. · .· >si !';•~~ ~ --~-J..c..:,,<;:, ~"":,: ?:-:::f:\-_, ,/ './ );,,..ft\';; f\;' fJ:,t;1"'3'?:-f~::t- ,_, ,, _,· . " /: ,,. ,'h//c;;. EARTHEN SWALE TYPICAL SECTION NOT-TO-SCALE NO IIUMPING t ~l ------1 UIIIIINS TO J OCEILN. · . J· ·', . .r,1;,t . STORM DRAIN STENCIL -SD-13 SEE CASQA SD-13 FOR MORE INFO · NO SCALE ·2-J" SHREDDED HARDWOOD MULCH CAPPED At41NTENANCE CLEAN-OUT (TO REMAIN CLOSED AT ALL TIMES) MS 15-09 IMPERVIOUS AREAS: ONSITE IMPERVIOUS AREA PRE-DEVELOPMENT ~ 1,200 sr ONSITE IMPERVIOUS AREA POST-DEVELOPMENT = 11,504 sr IMPERVIOUS AREA INCREASE = 4,304 sr DRAINAGE AREA DMA BREAKDOWN POST-DEVELOPMENT DRAINAGE AREA SURFACE SYMBOL SOIL TYPE DRAINAGE AREA '1 ' DRAINAGE AREA '2' DRAINAGE AREA 'J' BUILDING ROOFTOP k"-/x:YI TYPE "8" 4,000 SQ FT 4,100 SQ FT 2,909 SQ FT HARSCAPING/SIDEWALK / -i TYPE "8" 0 SQ FT 0 SQ FT 495 SQ FT . . ' - PERVIOUS PAVERS k'./:%~Y~I ,,,,,;;;/,, TYPE "8" 490 SQ FT 942 SQ FT 0 SQ FT LANDSCAPING AREA I: >. I TYPE "B" 7,012 SQ FT 6,838 SQ FT 1,821 SQ FT INDIVIDUAL TOTAL LOT AREA 11,502 SQ FT 11,880 SQ FT 11,225 SQ FT TOTAL LOT AREA = 34,607 SQ FT CONSTRUCTION NOTES Q) FUTURE PUBLIC IMPROVEMENTS PER GREEN STREET STANDARDS {GIP PROJECT}. 0 S4WCUT & REMOVE EXISTING SIDEWALK CURB & GUTTER. INSTALL CURB OUTLET PER 0-25. SEE SAWCUT, GRIND AND OVERLAY DETAIL HEREON. ® INSTALL 4" PVC SEWER LATERAL @ 2% MIN. PER CITY or CARLSBAD STANDARD DRAWING S-7 . . ' © CONSTRUCT RETAINING WALL PER SDRSD C-J. @ INSTALL J6"xJ6" ''BROOKS TYPE" CATCH BASIN WITH UNDERDRAIN CONNECTION. © INSTALL 4" PVC PERFORATED UNDERDRAIN. (i) INSTALL 6" PVC SOLID STORM DRAIN @ 0.50% MIN (TYP}. @ INSTALL PERVIOUS PAVERS, SEE TYPICAL SECTION HEREON. ® J" X J" SPLASH PAD @) INSTALL 1" WATER SERVICE W/ 1" METER & 1" BACKFLOW DEVICE PER CARLSBAD MUNICIPAL WATER DISTRICT STANDARD DRAWING W-J (U) INSTALL 6" PVC TEE WITH 6" PVC VERTICAL RISER TO FINISHED SURFACE. INSTALL 6" DIA. CATCH BASIN WITH ATRIUM GRATE. @ EARTHEN SWALE. SEE DETAIL HEREON / CATCH BASIN EMERGENCY OVERFLOW I SD-13 I ft ~~ PROPOSED RIVER ROCK 1. 1 FT. THICK W / No.2 BACKING DISSIPATER @ BASIN INLETS BIORETENTION BASIN MEDIA TO CURB <.: oUTFAll R PARCEl FACE (FO J QNlY) I 2§ "' i:E e: - - - - - --IASIN TO~ (MIN.) ~ISE~TO~ 10" 4" DIA. PERFORATED PVC UNDERDRAIN \DRAINAGE SWALE TO \ BIOFIURA TION BASIN < I.OX Ml PER COUNTY or S4N DIEGO 2014 LID HANDBOOK, APPENDIX C -FACT SHEETS. 18" AMENDED SOIL LAYER COMPOSITION AND TEXTURE: 65% SAND, 20% SANDY LOAM, & 15% COMPOST (FROM VEGETATION-BASED FEEDSTOCK). ANIMAL WASTES OR BY-PRODUCTS SHOULD NOT BE APPLIED. PERMEABILITY: 5 IN/HR INFILTRATION RATE FOR THE FLOW-BASED SUSMP METHOD CHEMICAL COMPOSITION: TOTAL PHOSPHORUS < 15 PARTS PER MILLION (PPM}; PH 6-8; CATION EXCHANGE CAPACITY > 5 MILL/EQUIVALENTS PER 100 GRAMS (MEQ/700 G) or SOIL; ORGANIC MATTER CONTENT < 5 PERCENT BY WEIGHr 12 • DRAINAGE LAYER SEPARATE SOIL MEDIA FROM UNDERDRAIN LAYER WITH 2 TO 4 INCHES or WASHED SAND, FOLLOWED BY 2 INCHES or CHOKING STONE (ASTM NO. 8) OVER A 1.0-FOOT ENVELOPE or ASTM NO. 51 STONE. SURFACE 'IEGITATION IMPERVIOUS MEMBRANE (PER SOILS ENGINEER) MIN 15-MIL POLYETHYLENE LINER SUCH AS WESTERN INVERT ELEVATION@ BASIN 1=173.90' INVERT ELEVATION @ BASIN 2= 172.85' INVERT ELEVATION @ BASIN J~ I 17.85' AS SPECIFIED BY THE LANDSCAPE ARCHITECT PLANS. ENVIRONMENTAL LINERS AQUA 15 {Ori EQUIVALENT} W/ALL S£4MS H£4T WELDED BIOFIL TRA TION BASll',I TYPICAL SECTION PERVIOUS PA VERS 1 " LEVELING SAND 4" THICK, J/8" CRUSHED ROCK TYPICAL DETAIL & OUTLET CONNECTION NOT-TO-SCALE PERVIOUS JOINTS " CURB OR CONCRETE EDGE RESTRAINT MP ID # BMP TYPE SYMBOL \_Jo1;TURE CONDITION & COMPACT @ 95% TOP 12" or NATIVE TREATMENT CONTROL PERVIOUS PAVER SECTION ~ BIOFILTRATION, [/::::?] SECTION SHALL CONFORM WITH MANUFACTURES SPECIFICATIONS Jr NO SCALE BMP TABLE CASQA NO. QUANTITY DRAWING NO. SHEET NO.(S) TC-32 750 S.F. 491-7A HEREON /!,MP INSPECTION , FREQUENCY MONTHLY PREPARED UNDER THE SUPERVISION OF: II AS R~ EXP. MAINTENANCE, FREQUENCY 2 TIMES PER YEAR DATE u --. ---. ' 45381 DATE EXP. 9/30/16 REVIE\./~ M' I. _,, ' , I INSPECTOR 1---+--f-------------+---+--+--+--I sHE2Er I L__c_r=rYcc==o=F'-=-'C=Ac...c.R=L-'-'-s=' B.c.c__A_D__J I sHE5ETs I ENGINEERING DEPARTMENT RE'vlAINDER PARC EL, P :M. 12263 VALLEY STREET i I r I ,, r 1 I I I I I I I· 'ii ,1 II I I I !. ,11 I 'I ,, ' :: I · . I · -------- > ' I/·----~ _ l· / il ~ -2! (j) 2! C: ~ c:a m ]J Cl Jl i 2! (j) 2! C: ~ c:a m Jl •✓ . ' J', ! \ 0 ·-- Jl ~ -2 (j) 2! C: ;ii, ~ i c:a ' m .. Jl I ,, J " \ ,___ __ / l ' I I ' ' MS 15-09 200--------------------------------------------------200 If. If. If. If. I I I I I I I I I I I I I I I I 190--~~--------------~----------------~-----tt-----------------tt--~/90 I I EXISTING BUILDING I I curURE BU''LD/NG FUTURE BUILDING EXISTING BUILDING r, " , PROPOSED -----+--;:::=~:::::dl...-====.,;F.~.F.~.=:1~8~0-;;;20~=====.t==::~~~~;;;;;;-;;f~~~;;;;;;,i'=======~F.~.F.~.=~1;80~.5~======~71~~~~=======F.=.F.=.==l:Bl,,,,.5 '=:"."':"':""=':""'""."'"""":'=~11-R".'.:UAIN/NG WALL 18D _ ... . F.F.= 179.4 __ ___ __ ___ -18D MAGNOLIA AVE. ~ \_EXISTING GRADE PROPOSED GRADING EXISTING GRADE PROPOSED GRADING --\EXISTING GRADE EXISTING GRADE _/2 -i PROPOSED GRADING PROPOSED GRADING 17D----------------------------------------------------17D 160--------------------------------------------~/60 175 ;.· 170 / ------ . . --------·- ----~ SECTION A-A LOOKING WEST HORZ 1"=20' VERT. 1"=8' ------------------------------ ----------------. --~~-- ---::--~ ·--=--·_: ------------' -· E'R i'.O •o- -· _· 0R! >f.,. •• .. \· ...... • .. 3.2 ' .. ~----=--• . ,,, ~!~>--,+-,-.+7-6, Q' -..;: .::;-, . .v I I -- -I. - --l-1-- - ---+--+- =I= £ [V, C 17"25µ - I I ROFOS£i, AD ·. G DI \ ! I§ 1-1. 50' · •••. c ./ ·'\Iii 8+50 .,. be . 1-0.5 ' · • 01' . ?''. DP '@ I¾ 1N. 'J I I . -_. 8'' C 12' HI Pf. c;•1 "Ml 1.-"' ------------- ---- ------------. .. ' -_, . --- --------. --"" . ----- ----------------1 · -· ----·-·-----------------------------·--------·----------------- -- . .. ---------------- --·----· ----"· ---------------------- 9+00 9+50 10+00 SECTION 8-8 LOOKING WEST HORZ. 1 "=20' VERT. J"--4' - -. --. - 10+50 . ---------- 11 +00 ' ' ------ ---- -------1--t--1-., -____ -_. -__ = --=-=-- ------------,, . -------- -----------. -------------- 11 +50 -------------------------_-_ ::r;i--.-1.--: __________ ---__ - . ·----- '\' ·. E, VIR N!li TAL 1!11,'RS= Q/Ji 15 'OR [QI ~[ NT) ··-- ., 'Alt SDI ,c tAc W[L £0 ,\· ~-4 ',p C = RF, RA [[Jc _ .... •-=-•/ ~ --13. It -------1-----------. \ -:_ --~--------·----·--------------·---- 1 1 I ER ,v, D 'c:_ " :: 'I ...... --=• · ___ -.-...... ... (?, '.,!_ X EXF 75_£ 11_ IG_H_; -\ .. · 1 t--i--t .. --...... -..,_ '711 ,._,, .. -'~ --is NG~/.· --;-;,:, · .: . ;.: 2"-' ~s [D SA D· VD -2" OF .. -- Ut-:1_ GE; . , __ · ~ ~ ~g ING ST, NE LAY. R ,,,/ '-,· t..s " 7-·. .. .,._,' ... .. 'f 1 _ .,. c,',Y. R __ 4 ¾ _ OR SIT I. -- - - - ---1 --~. ~\ .'\:: MPI Vii? S tMB ';fN, ."(fl ?.S /LS. rNGI ffl ~Ml , I Ch/II/ T, .i ,H, ioAIA (1 , lij'" ru \= •/A { S 4MS HEJ -.c/11 DE, ,~ VCl'DORT£ ---------- \ -• A -■ • ---■ _., lff I'\: ·• SECTIONS C-E LOOKING NORTH HORZ. 1 "=20' VERT. 1 "--4' PREPARED UNDER THE SUPERVISION OF: I, I ~ t - G _. v=-'I. LO t A ,,v '".)I ·.::t ;~ _--;,_ "_'_L EXl 0 Tlli ;~ --··'-' -:o-_,...... ' ' -• ·: C"" • s, D oAN . 0 [R ,.. r.. ------- , ~.-· ~/ ... • '!. -'V - A -~ /_-;;; ·i , • ~ .. :~, ,~~ ~ ~-TO ~ Y£ = = :_ _ - ... 'j_ CS; .. , Y£ @ 40 _p RO 11'( -.. ·--.. . -'£ 0£ S£ FO Tti ;~ . w--J ~t=/0 -';(.!--½ ---_ ..... °'\ · :'\c ;"=J, 'PE, /Ol M WBR,N[ p[J .-Sa S= VC/, ERl MIN · \· 1 1AL ·St MS <EA W[L OED . -. ~. ss_ . PC-f8.\U.R~ (D --·· -·• ····· ---,. -----... -· --·- ,,. B 01 il rRIA, I" N'. ~ 5111-E "'-T O ~~• -" .. ... ' A 1c -=•-3 ---------------·-- 11 AS BUIL T 11 RCEe EXP, DATE INSPECTOR DATE ~ CITY OF CARLSBAD ~ >---+----J>------------------+---+----J>-----J---< ~ ENGINEERING DEPARTMENT L_Q__j ~==-============-====='. REMAINDER PARCEL. P lvL \71\T,T,F:Y S'l'R~:~:'I' APPROVED: JASON S. GELDERT ----;,~o•!:!:•:?:'..l..µj.~ll......-----8· 30· l.OI' t-,-;--i--;-.::;-jh:-,;;-::---=-:--.-----------j----J---jt----j----j L'c_C;::ITY:;=E:;NG'::IN=:E:::E':':;:;:;;;::=:::;';:RC:::E::::6:::3:::9:::12::===:::E:::XP:::IR:::E:::S=9_';-~3:=0=:::::16.:::.::::D'!_:A::::TE::::=~ :z. I,\ I LA:5 I ?,Eco~O f'LA ,. , DWN BY: NJD PROJECT NO. DRAWING NO. DATE INITIAL DATE INITIAL DATE INITIAL CHKD BY: S"e, ,1-,1-Qg 49] ~ ,\ ENGINEER OF WORK REVISION DESCRIPTION OTHER APPROVAL CITY APPROVAL RVWD BY. ~,e!, _yo 0 . 1 ' · -( .'-'. ,---· "I' 11 I I j I , :: II I I I I_ I j l ' 1 l, I ' l ' l ' ------------~---i STORM WATER POLLUTION PREVENTION NOTES TIER 2 CITY STORM WATER POLLUTION PREVENTION PLAN (TIER 2 SWPPP) SW 16-38 GENERAL SITE MANAGEMENT REQUIREMENTS THE FOLLOWING GENERAL SIT£ MANAGEMENT REQUIREMENTS SHALL 8£ ADHERED TO THROUGHOUT TH£ DURATION OF TH£ CONSTRUCT/ON WORK (YEAR ROUND). I. IN CASE EMERGENCY WORK IS REQUIRED, CONTACT: CURT HUCKINS FROM: CARLSBAD UNIFIED SCHOOL DISTRICT AT (TEL.ND.) (760) 331-5000 2. DEVICES SHOWN ON CITY APPROVED PLANS SHALL NOT BE MOVED DR MODIFIED WITHOUT TH£ APPROVAL OF TH£ ENGINEERING INSPECTOR. J. TH£ CONTRACTOR SHALL RESTORE ALL EROSION CONTROL DEVICES TO WORKING ORDER TO TH£ SA T!SFACTION OF TH£ CITY ENGINEER AFTER EACH RUN-OFF PRODUCING RAINFALL. 4. TH£ CONTRACTOR SHALL INSTALL ADDITIONAL EROSION CONTROL MEASURES AS MAY 8£ REQUIRED BY THE CITY ENGINEER DUE TO UNCOMPLETED GRADING OPERA T!ONS OR UNFORSEEN CIRCUMSTANCES WHICH MAY ARIS£. 5. THE CONTRACTOR SHALL BE RESPONSIBLE AND SHALL TAKE NECESSARY PRECAUTIONS TD PREVENT PUBLIC TRESPASS ONTO AREAS WHERE IMPOUNDED WATERS CREA TE A HAZARDOUS CONDITION. 6. GRADING AREAS AROUND THE PROJECT PERIMETER MUST DRAIN AWAY FROM THE FACE OF SLOP£ AT THE CONCLUSION OF EACH WORKING DAY 7. ALL REMOVABLE PROTECTIVE DEVICES SHALL BE IN PLACE AT THE END OF EACH WORKING DAY WHEN FIVE (5) DAY RAIN PROBABILITY FORECAST EXCEEDS FORTY PERCENT (40¾). SILT AND OTHER DEBRIS SHALL 8£ REMOVED AFTER EACH RAINFALL. 8. ALL GRAVEL BAGS SHALL CONTAIN 3/4 INCH MINIMUM AGGREGATE. 9. ALL EXPOSED DISTURBED AREAS MUST HA VE EROSION PROTECTION BMPs PROPERLY INSTALLED. THIS INCLUDES ALL BUILDING PADS, UNFINISHED ROADS, AND SLOPES. 10. ADEQUATE PERIMETER PROTECTION BMPs MUST 8£ INSTALLED AND MAINTAINED AND WILL 8£ UPGRADED, IF NECESSARY, TO PROVIDE SUFFICIENT PROTECTION FROM RUNOFF DURING RAIN £VENTS. II. ADEQUATE SEDIMENT CONTROL BMPs MUST 8£ INSTALLED AND MAINTAINED. 12. ADEQUATE BMPs TO CONTROL OFFS/TE SEDIMENT TRACKING MUST 8£ INSTALLED AND MAINTAINED. 13. A MINIMUM OF 125¾ OF TH£ MATERIAL NEEDED TOO INSTALL STANDBY BMPs TD PROTECT TH£ EXPOSED AREAS FROM EROSION AND PREVENT SEDIMENT DISCHARGES, MUST 8£ STORED ONS!TE. AREAS ALREADY PROTECTED FROM EROSION USING PHYSICAL STAB/LIZA T!DN OR ESTABLISHED VEGETATION STAB/LIZA TION BMPs ARE NOT CONSIDERED TO 8£ "EXPOSED" FOR PURPOSES OF THIS REQUIREMENT. 14. TH£ OWNER/DEVELOPER/CONTRACTOR MUST FOLLOW "WEATHER TRIGGERED" ACTION PLAN AND BE ABLE TD DEPLOY STANDBY BMPs TD PROTECT TH£ EXPOSED PORTIONS OF TH£ SIT£ WITHIN 48 HOURS OF A PREDICTED STORM £VENT (A PREDICTED STORM £VENT IS DEFINED AS A 40¾ CHANCE OF RAIN WITHIN A 5-DA Y NA TIDNAL WEATHER SERVICE FORECAST). ON REQUEST, TH£ OWNER/DEVELOPER/CONTRACTOR MUST PROVIDE PROOF OF THIS CAP AB/LI TY 15. DEPLOYMENT OF PHYSICAL OR VEGETATION EROSION CONTROL BMPs MUST COMMENCE AS SOON AS SLOPES AR£ COMPLETED. TH£ OWNER/DEVELOPER/CONTRACTOR MAY NOT RELY ON TH£ ABILITY TD DEPLOY STANDBY BMP MA TER!ALS TO PREVENT EROSION OF SLOPES THAT HA VE BEEN COMPLETED. 16. THE AREA THAT CAN BE CLEARED, GRADED, AND LEFT EXPOSED AT ONE TIME IS LIMITED TO THE AMOUNT OF ACREAGE THAT THE CONTRACTOR CAN ADEQUATELY PROTECT PRIOR TO A PREDICTED RAIN EVENT. FOR LARGER SITES, GRADING SHOULD BE PHASED. IT MAY BE NECESSARY TO DEPLOY EROSION AND SEDIMENT CONTROL BMPs IN AREAS THAT ARE NOT COMPLETED, BUT ARE NOT ACTIVELY BEING WORKED BEFORE ADDITIONAL GRADING IS ALLOWED TO PROCEED, AT THE DISCRETION OF THE CITY INSPECTOR. 17. ALL DISTURBED AREAS THAT ARE NOT COMPLETED AND/OR NOT BEING ACTIVELY GRADED MUST BE FULLY PROTECTED FROM EROSION IF LEFT FOR 14 OR MORE DAYS. THE ABILITY TD INSTALL BMP MATERIALS IN A PROMPT MANNER IS f1QI SUFF!CIEN T. BMPs NEED TO BE INSTALLED IN THESE AREAS. 18. BMPs MUST BE STOCKPILED AT VARIOUS LOCATION THROUGHOUT THE PROJECT SITE THROUGHOUT THE YEAR. WHENEVER THERE IS A 40¾ CHANCE DR CREA TER or A RAIN WITHIN A THREE (J) DAY FORECAST, THE INSPECTOR Will VERIFY THAT BMPs ARE ADEQUATELY STOCKPILED, BMPs MUST BE STOCKPILED AND READY FOR DEPLOYMENT WHEN THERE IS 50¾ CHANCE OF RAIN WITHIN A 48 HOUR FORECAST. FAILURE TO COMPl Y WITH THIS REQUIREMENT COULD RESULT IN THE ISSUANCE OF A STOP WORK NOTICE OR OTHER ENFORCEMENT ACTION. 19. All TREATMENT AND EROSION CONTROL BMPs MUST BE INSPECTED WEEKLY AND PRIOR TO A FDRECASTED RAIN EVENT or GREATER THAN 50¾. AND AFTER A RAIN EVENT. IN ADDITION, TREATMENT CONTROL BMPs MUST BE SERVICED AS NEEDED THROUGHOUT THE YEAR. 20. IF SELECTED BMP FAILS DURING A RAIN EVENT, IT MUST BE REPAIRED DR IMPROVED DR REPLACED WITH AN ACCEPTABLE AL TERNA TE AS SOON AS IT IS SAFE TO DO SD. THE FAILURE OF A BMP IND/CA TES IT WAS NOT ADEQUATE FDR THE CIRCUMSTANCES IN WHICH IT WAS USED. REPAIRS AND REPLACEMENT MUST THEREFORE PUT A MORE ROBUST BMP MEASURE IN PLACE. 21. ALL CONSTRUCT/ON EMPLOYEES MUST BE TRAINED ON THE IMPORTANCE OF STORM WATER POLLUTION PREVENTION AND BMP MAINTENANCE. WEATHER TRIGGERED ACTION PLAN THE DEVELOPER SHALL DEPLOY STANDBY BEST MANAGEMENT PRACTICE MEASURES TO COMPLETELY PROTECT THE EXPOSED PORTIONS OF THE SITE WITHIN 48 HOURS OF A PREDICTED STORM EVENT ( A PREDICTED STORM EVENT IS DEFINED AS A FORECASTED, 40¾ CHANCE OF RAIN BY TH£ NA T!ONAL WEATHER SERVICE), IN ADDITION TO BMPs IMPLEMENTED YEAR-ROUND INCLUDING PERIMETER CONTROL, WIND EROSION CONTROL, TRACKING, NON-STORM WATER CONTROL, WASTE MANAGEMENT, AND MATERIALS POLLUTION CONTROL. TH£ NATIONAL WEATHER SERVICE FORECAST SHALL BE MONITORED AND USED BY THE DEVELOPER ON A DAILY BASIS. IF PRECIPITATION IS PREDICTED (40¾ CHANCE or RAIN), THEN THE NECESSARY WATER POLLUTION CONTROL PRACTICES SHALL BE DEPLOYED WITHIN 48 HOURS AND PRIOR TO THE ONSET or THE PRECIPITATION. THE DEPLOYMENT or THE BMPS SHALL INCLUDE BUT NOT BE LIMITED TO GRAVEL BAGS AND SILT FENCES. A MINIMUM OF 125¾ OF THE MATERIAL NEEDED TO INSTALL STANDBY BEST MANAGEMENT PRACTICES MEASURES TO PROTECT THE EXPOSED AREAS FORM EROSION AND PREVENT SEDIMENT DISCHARGES MUST 8£ STORED ON-SIT£. AREAS THAT HA VE ALREADY BEEN PROTECTED FROM EROSION USING PHYSICAL STAB/LIZA TION OR ESTABLISHED VEGETATION STAB/LIZA T!ON BMPS AS DETERMINED BY THE CITY or CARLSBAD ARE NOT CONSIDERED TO BE "EXPOSED" FOR THE PURPOSES OF "WEATHER TRIGGERED ACTION PLAN''. AN ADEQUATE SOURCE OF EQUIPMENT AND WORKERS SHALL BE AVAILABLE FOR DEPLOYMENT OF "WEATHER TRIGGERED BMPS". EROSION CONTROL HYDROS££D/NG. PLANTING AND /RR/GA T!ON I. ALL PERMANENT AND TEMPORARY EROSION CONTROL PLANTING AND !RR/GA T!ON SHALL BE INSTALLED AND MAINTAINED AS REQUIRED IN SECTION 212 OF TH£ STANDARD SPECIF/CA TIDNS AND THE FOLLOWING: A HYDROSEEDING SHALL BE APPLIED TO: I ALL SLOPES THAT ARE GRADED 6: I (HORIZONTAL TO VERTICAL) OR STEEPER WHEN THEY AR£.· a. THREE FEET OR MORE IN H£/GHT AND ADJACENT TO PUBLIC WALL OR STREET. b. ALL SLOPES 4 FEET OR MORE IN H£/GHT. 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 RECREA T!ON DIRECTOR AS HIGHLY VISIBLE TO THE PUBLIC. c. HA VE ANY SPECIAL CONDITION IDENTIFIED BY THE CITY ENGINEER THAT WARRANTS !MMEDIA TE TREATMENT. B HYDROSEED!NG AREAS SHALL BE !RR/GA TED IN ACCORDANCE WITH THE FOLLOWING CRITERIA: C D E I ALL SLOPES THAT ARE GRADED 6: I OR STEEPER AND THAT ARE: a. THREE TO £/GHT FEET IN HEIGHT SHALL BE IRRIGATED BY HAND WA TERINC FROM QUICK COUPLERS/HOS£ BIBS OR A CONVENTIONAL SYSTEM or LOW PRECIPITA T!ON SPRINKLER HEADS PROVIDING 100¾ COVERAGE. b. CREA TER THAN 8 FEET IN HEIGHT SHALL BE WATERED BY A CONVENTIONAL SYSTEM or LOW PRECIPITA T!ON SPRINKLER HEADS PROVIDING 100¾ COVERAGE. 2 AREAS SLOPED LESS THAN 6: I SHALL BE !RR/GA TED AS APPROVED BY THE CITY ENGINEER, PRIOR TO HYDROSEED!NG. THE DEVELOPER SHALL SUBMIT A PROPOSED SCHEME TO PROVIDE IRRIGATION TO THE CITY ENGINEER. THE PROPOSAL SHALL BE SPECIFIC REGARDING THE NUMBERS, TYPE, AND COSTS or THE ELEMENTS OF THE PROPOSED SYSTEM. 3 !RR/GA TION SHALL MAINTAIN THE MOISTURE LEVEL OF THE SOIL AT THE OPTIMUM LEVEL FOR THE GRADING or THE HYDROSEEDED GROWTH. HYDROSEEDING 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. Jibs PER ACRE OF E SCHOOL CIA CALIFORNICA d. 4 lbs PER ACRE OF ACHILLEA M!LLEFOLIA e. 3/bs PER ACRE or AL YSSUM (CARPET or SNOW) f. 1/2 lb. PER ACRE IF DIMORPHDLECA g. ITEMS c, d, e, AND f OF THIS SUBSECTION MAY BE OMITTED ON VISIBLE FROM £/THER A PUBLIC STREET OR RESIDENTIAL STRUCTURES. h. ITEM a OF THIS SUBSECTION MUST BE !NOCULA TED WITH A NITROGEN FIXING BACTERIA AND APPLIED DRY EITHER BY DRILLING OR BROADCASING BEFORE HYDROSEED!NG. i. ALL SEED MATERIALS SHALL BE TRANSPORTED TO THE JOBS/TE IN UNOPENED CONTAINERS WITH THE CALIFORNIA DEPARTMENT or FOOD AND AGR!CUl TUR[ CERT/FICA TION TAG ATTACHED TO, OR PRINTED ON SAID CONTAINERS. j NON-PHYTO-TOX!C WETTING AGENTS MAY BE ADDED TO THE HYDROSEED SLURRY AT THE DISCRETION or THE CONTRACTOR. 2 TYPE I MULCH APPLIED AT THE RA TE OF NO LESS HAN 2000 lbs PER ACRE. TYPE 6 MULCH (STRAW) MAY BE SUBSTITUTED, WHEN STRAW IS USED, IT MUST BE ANCHORED TO THE SLOPE BY MEGHAN/CALLY PUNCHING NO LESS THAN 50¾ IF THE STRAW INTO THE SOil. 3 FERTILIZER CONSISTING OF AMMONIUM PHOSPHATE SULFA TE, 16-20-0 WITH 15¾ SULPHUR APPLIED AT TH[ RAT[ OF 500 lbs. PER ACRE AREAS TO BE HYDROSEEDED SHALL BE PREPARED PRIOR TO HYDROSEEDING: I ROUGHENING THE SURFACE TO BE PLANTED BY ANY OR A COMB/NATION OF: a. TRACK WALKING SLOPES STEEPER THAN 6: I. b. HARROWING AREAS 6: I OR FLATTER THAT ARE SUFFICIENTl Y FRIABLE. 2 AREAS GRADED FLATTER THAN 6: I WHEN ANY OF THE FOLLOWING CONDITIONS EXIST: a. ADJUSTING THE SURFACE SOIL MOISTURE TO PROVIDE A DAMP BIT NOT SATURATED SEED BED. b. THE ADDITION OF SOIL AMENDMENTS, PH ADJUSTMENT, LEACHING COVERING SALINE SOILS TO PROVIDED VIABLE CONDITIONS FOR GROWTH. HYDROSEEDING AREAS SHALL BE MAINTAINED TO PROVIDE A VIGOROUS GROWTH UNTIL THE PROJECT IS PERMANENTl Y LANDSCAPED OR, FOR AREAS WHERE HYDROSEEDING IS THE PERMANENT LANDSCAPING, UNTIL THE PROJECT IS COMPLETED AND All BONDS RELEASED. STABILIZED, PLANTED 2. ALL SLOPES SHALL HA VE !RR/GA TION INSTALLED AND BE AND/OR HYDROSEEDED WITHIN TEN (10) DAYS or THE TIME WH TO GRADE AS SHOWN ON THE APPROVED GRADING PLANS. EN EACH SLOPE IS BROUGHT PROVIDE EFFICIENT J. SHOULD GERMINATION or HYDROSEEDED SLOPES FAil TD COVERAGE OF GRADING SLOPES (90¾ COVERAGE) PRIOR TO DC BE STABILIZED BY AN APPROPRIATE EROSION CONTROL MA TT/NG TOBER I, THE SLOPES SHALL MATERIAL APPROVED BY THE PUBLIC WORKS INSPECTOR. 4. LANDSCAPING SHALL BE ACCOMPLISHED ON ALL SLOPES AND PADS AS REQUIRED BY THE CITY OF CARLSBAD LANDSCAPE MANUAL, THE LANDSCAPING OR AS DIRECTED BY THE CITY ENGINEER or PLANNING DIRECTO R. PLANS FOR THIS PROJECT 5. THE OWNER/APPLICANT SHALL ENSURE THAT ALL CONTRA CTORS SHALL COORDINATE THE WORK or THIS CONSTRUCT/ON SWPPP SHOWN PLANS, LANDSCAPE AND IRRIGATION PLANS, AND IMPROVEMENT REQUIRED FOR THIS PROJECT WORK. ON ANY GRADING PLANS AS X X X X X X X X X X X X X X BEST MANAGEMENT PRACTICES (BMP) SELECTION TABLE Erosion Control Sediment Control BMPs BMPs " "' " ,2 -.<;! 0 ~" ::, 'o "' -0 " "' o~ 0, Oo .e-g. Best Management Practice' "' 0, -"! .s "' " 0, "' ,. "' .2 ~ ~ " 13 .,, VJ ,"! ~ (BMP) Description~ c:, .,, -" "3 ~ Ql -!"; 0, .,, = " ~ c:, .,, -::, c:, 0, ~ " ~ .s; "' ~ =S -~ c:': I § "" 'o " "'--0 0 " Q) -~ 0 ... 0 -'o "' a::~ "' ~ L3 c5 ~ Di cJl 6 (.J CASQA Designation~ GJ "" c... co a 0, --CC) "" I I I I I I I I I (.J (.J ~ (.J (.J (.J bi bi bi Construction Activity CJ CJ CJ CJ CJ Gradina/Sail Disturbance X X X X Trench inn /Excavation X X Stackoilina Ori/Jinn IBorina Concrete/AsDholt Sowcuttino Concrete Fla/work Pavino Conduit/Pioe Installation Stucco/Mortar Work Waste Disposal StaainnlLoy Down Area Eauioment Maintenance and Fue!ina Hazardous Substance Use IStorane Dewoterino Site Access Across Dirt Other Oist ): LEGEND (DELETE ITEMS NOT USED ON THE SITE MAP) DESCRIPTION EC-10, VELOCITY DISS/PA TION SE -1, SILT FENCE SE-6, GRAVEL BAG SE-10, STORM DRAIN INLET PROTECTION TR-I, STABILIZED CONSTRUCTION ENTRANCE NS-10, VEHICLE AND EQUIPMENT MAINTENANCE WM-/, MATERIAL DELIVERY AND STORAGE WM-5, SOLID WASTE MANAGEMENT WM-8, CONCRETE WASHOUT WASTE MANAGEMENT WM.:.9, SANITARY/SEPTIC WASTE MANAGEMENT B!ORETENTION BASIN ~?,OfESS/~ 0 / "I(';;,, -<:f :i>"'1 A&~O <1c ~ '/1--...:, ~ "f (;"> '"' -1--.z.' IC:: No. {53~1 ;:::; ' 'p:'.: ;:u I \* *' 'J' \!? CJy\\. ~~" SYMBOL = CASQA NS-10 ~ 8 ~ 9 ••• + + + + + +. + + +. + ·:j ················· ................ ................. ................ PREPARED UNDER THE . ) R.C E. 'o § § -0, ... .!'! "' "' .s "E:: .s [lJ 2' Jl .s 0, " 0, : 2 " 0 G -S [lJ 0, c:, 2 "' ~ E 0 -E ~ 1! " :, {l :;; e: a " -0 ~ 0 0 ~ G en g -... VJ Q. a "' "' c... co -I I I I I bi bi bi bi bi X X X X X . SUPERVISION OF: <P/io/1~ L(d ,, DATE 45381 DATE Tracking Non-Storm Wator Waste Management and Materials Control BMPs Management BMPs Pollution Control BMPs " .2 -" .s " "' " " 8~ -g~ ·" "' 2::: (/) ..Q "' 0 ... -0, VJ .s -I f,: X X " " 1 ---.2 " ~ -0, 0 " 'o ai 'o " " ~ ·E E E § E § .s ~ .8, .8, " " :, :, t, 0, !"; .s ~ -" ~ ~ 0 " "' " (3 :;; ~ E ~-8 ... C "' -'o "' i3 .,, 0 -" 'o " ~ 'o CU "' ::, ~ 'l> C " " " c:, :::, -.,, "' .,, 'o 0,., 8~ " " 0 § ~~ 0 -2 0 0, " " " E " 0 .!'! " " ~~ .g = ct 0 0 .,, ~~ '--~ o,~ -~-~ % 'o 0, " 0 ..Q u~ ... 0 0, ·-'o " -... 'o 0 6 0 ..Q 0 _g ·-... 0 '..c: .!:; " ... .,, --~~ -"' .,, -0 -0 ~ C: :.:::5 ~§ .2 0 ~ ct 0 ~G ~~ o-0 -St-8 ul ::, VJ "' a_ a Q. "' VJ ::, VJ :r: ::. CC) c... co a -GJ CC) "" "' "' GJ --I I I I I I I I I I I I f,: V) V) V) V) V) i i i i i i "' "' "' "' "' X X X X X X X X X X X X X OWNER'S CERTIFICATION· I UNDERSTAND AND ACKNOWLEDGE THAT I MUST.· (I) IMPLEMENT BEST MANAGEMENT PRACTICES (BMPs) DURING CONSTRUCT/ON ACTIVITIES ~ "' o~ "'~ .,, E -.,, 1:' 0, " 0 ~ § (.J ::, co I i X X X X X TO THE MAXIMUM EXTENT PRACTICABLE TO A VOID THE MOB/LIZA T!ON or POLLUTANTS SUCH AS SEDIMENT AND TO A VOID THE EXPOSURE OF STORM WATER TO CONSTRUCTION RELATED POLLUTANT5,· AND (2) ADHERE TO, AND <1) ~ <fl 0 ~ () 'µ a.~ Q) C (j) " ~E ... " 0 "' ~o ·c C O 0 (j) :::;; 0, I i X AT All TIMES, COMPl Y WITH THIS CITY APPROVED TIER 2 CONSTRUCTION SWPPP THROUGHOUT THE DURATION or THE CONSTRUCTION ACTIVIT![S UNTIL THE CONSTRUCT/ON WORK IS COMPLETE AND SIGNED OFF BY THE CITY or CARLSBAD. Sa-.ur.n11e (I i)?/7ne/l CARLSBAD UN/F/[D SCHOOL DISTRICT (PRINT) / ?3:'~ DATE CARLSBAD U /ED SCHOOL DIS !CT (SIGNATURE) DATE L!\1 I 1\ "'€co1Z.O ?LA.J INITIAL DATE INITIAL DATE INITIAL ©&mr1~w&® CARLSBAD VILLAGE DR. ~ \.C "' V) cc! CHESTNU AV£ >-C!RCL "' c::, ~ ¼.I (!:I )- V) '<:.C ....J fl>-lu "' ~~ 1~=:1 ~ "' -::;; ~ i?§ s: MAGNOLIA V SITE VICINITY MAP NO SCALE SHEET INDEX· SHEET 7: SHEET 2: GRADING PLAN TITLE SHEET GRADING PLAN SHEET 3: SECTIO!NS SHEET 4: SHEET 5: TIER 2 SWPPP Tl TLE SHEET EROSION CONTROL PLAN APN: 205-220-15 SITE ADDRESS: 3679 VALLEY STREET CARLSBAD, CA 92008 AREA OF DISTURBANCE AREA OF DISTURBANCE 3o, 105 s.r. (THIS AREA INCLUDES BUT IS NOT LIMITED TO OFF-SITE WORK INCLUDING PUBLIC IMPROVEMENTS AND TEMPORARY DISTURBANCE SUCH AS VEHICLE AND EQUIPMENT STAGING AREAS, CONSTRUCT/ON WORKER FOOT TRAFFIC, SO!L/GRA VEL PILES, UTILITY TRENCHES, BACKFILL CUTS AND SLOPE KEYWA YS) CONSTRUCTION THREAT: CONSTRUCTION THREAT TO STORM WATER QUALITY (CHECK BOX): 0 HIGH □ MEDIUM OWNER/APPLICANT: NAME.· CARLSBAD UNIFIED SCHOOL DISTRICT ADDRESS: 6225 EL CAMINO REAL CARLSBAD, CA 92009 TELEPHONE NO.: (760) 331-5000 EMERGENCY CONTACT: NAM£.· CURT HUCKINS ADDRESS: 6225 EL CAMINO REAL CARLSBAD, CA 92009 TELEPHONE NO .. (760) 331-5000 11 AS BUIL T11 :if.'~ RCE t/5'~/ EXP, 'f/30/z.o c,/;.f9 DATE $fa~ & I 12./_19 ' INSPECTOR DATE I SH4T I CITY OF' CARLSBAD I SH5TS I ENGINEERING DEPARTMENT lll':I: :~ ;'~ \\· 1 i I-' l 1 'l'l'l'U•: o'Hl:L:'l' Rtlv!AIN D tR PARCtL, PM 1226] VALLEY STREET . TITLE SHEET /I APPROVED: JASON S. GELDER6 , l,,l,11 8·3C·Z.OI (., CITY ENGINEER, RCE 63912 EXPIRES 9 /30/15 DATE OWN BY: NJD PROJECT NO. DRAWING NO. CHKD BY: $C.. :'vIS15 · 09 491-?A DANN't;ABADA REVISION DESCRIPTION ~, or c,l 1\<l EXP. 9/30/16 ENGINEER OF WORK OTHER APPROVAL CITY APPROVAL RVWD BY: ::;'~ · 1 I I I . I ··;' ' · ere enwrrc:,nrw·,e • I II "MWIY:l+!WJP TTIT U Tl ZICfl::♦"I CT/1'/d' I ' ' I I I , r1 ..,.,,,~ •11 r e.-r-• e •• ,,.,, 1 ■ 1'111 t O ,r,r:, t IY¥\P11' :ettllWNl 1:nree••••11 errerrt♦t'rltctt•-• e ,, "~'"",..,,,_~,.,.,, ,.,. .. ,.,,.cdf-tWdffT I ' 11 I ' I I I I' I dt:N' 1$ 11:Mr•-~VoUNOKfltliltl"d "IT ! C l'lt':t1t'I ., --· .,., :er , , te,+►UW-,., .. _,..,..,,,_."JL.c11.1'..!L!.?I..". •·~"~~~-, "'•'~"' -·,:-"lr.JO-'°"~~,c••..-1,'-'-'-"''.,.,, ' -.,.-.,,-c,,.~ ... I 111 I! '':' i 1, '. ,!I, 11· I i ,I ' I: , 1 I I 'j,' - I I!!;· i I 1 I I . I I . ' □ J] ~ -2 G'l 2 C: ~ Ill m I J] ! I I ' ' L -- ' \ \ \ \ C°)§\00@~[1 [MIJ§IC°) ~@ □ 'O ~~®~ C°)@OO□ OO~[MIJ&O~[Q)~OO C°)§100@~[1 SILT FE. E CASQA -1 BIOFIL TRA Tl BASIN 20s SQUARE rob FS=/76.40' CARLSBAD JUNIOR HIGH SCHOOL PARCEL 4 NO GRADING OR IMPROVEMENTS PROPOSED NOTE: P. 0. C. 1 A T THE SW CORNER OF THE SJ TE. I I I BIOFIL TRATION mtt-f---1f.l I I BASIN 205 SQ/JAR£ FOOT FS=/75.35' 11 ' BRADY CIRCLE / i / I CASQA WM-1 I CASQA WM-9 CASQA WM-8 C '·-- . , I , I ' I )-'w , ...J ...J I ' ' .1 STORM WATER QUALITY NOTES-CONSTRUCTION BMPS THIS PROJECT SHALL COMPLY WITH ALL CURRENT REQUIREMENTS OF THE STATE PERMIT; CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD (SDRWQCB), SAN DIEGO MUNICIPAL STORMWATER PERMIT, THE CITY OF CARLSBAD LAND DEVELOPMENT CODE, AND THE STROMWATER STANDARDS MANUAL. NOTES BELOW REPRESENT KEY MINIMUM REQUIREMENTS FOR CONSTRUCTION BMP'S. [X EDGE OF PAVEMENT EX EDGE OF PAY[MENT 1 ' 4. 5. 6. THE CONTRACTOR SHALL BE RESPONSIBLE FOR CLEANUP OF ALL SILT AND MUD ON ADJACENT STREET(S), DUE TO CONSTRUCTION VEHICLES OR ANY OTHER CONSTRUCTION ACTIVITY, AT THE END OF EACH WORK DAY, OR AFTER A STORM EVENT THAT CAUSES A BREECH IN INSTALLED CONSTRUCTION BMP'S WHICH MAY COMPROMISE STORMWATER QUALITY WITHIN ANY STREET(S). A STABILIZED CONSTRUCTION EXIT MAY BE REQUIRED TO PREVENT CONSTRUCTION VEHICLES OR EQUIPMENT FROM TRACKING MUD OR SILT ONTO THE STREET. ' ALL STOCK PILES OF SOIL AND/OR BUILDING MATERIALS THAT ARE INTENDED INTENDED TO BE LEFT FOR A PERIOD GREATER THAN SEVEN CALENDAR DAYS ARE TO BE COVERED. ALL REMOVABLE BMP DEVICES SHALL BE IN PLACE AT THE END OF EACH WORKING DAY WHEN FIVE DAY RAIN PROBABILITY FORECAST EXCEEDS 407.. A CONCRETE WASHOUT SHALL BE PROVIDED ON ALL PROJECTS WHICH PROPOSE THE CONSTRUCTION OF ANY CONCRETE IMPROVEMENTS WHICH ARE TO BE POURED IN PLACE ON SITE. THE CONTRACTOR SHALL RESTORE ALL EROSION/SEDIMENT CONTROL DEVICES TO WORKING ORDER AFTER EACH RUN-OFF PRODUCING RAINFALL OR AFTER ANY MATERIAL BREECH IN EFFECTIVENESS. . ALL SLOPES THAT ARE CREATED OR DISTURBED BY CONSTRUCTION ACTIVITY MUST BE PROTECTED AGAINST EROSION AND SEDIMENT TRANSPORT AL ALL TIMES. THE STORAGE OF ALL CONSTRUCTION MATERIALS AND EQUIPMENT MUST BE PROTECTED AGAINST ANY POTENTIAL RELEASE OF POLLUTANTS INTO THE ENVIRONMENT. TEMPORARY CONSTRUCTION BMP LEGEND CASQA NS-10 VEHICLE STORAGE AND EQUIPMENT MAINTENANCE STABILIZED CONSTRUCTION ENTRANCE MATERIAL DELIVERY AND STORAGE AREA SOLID WASTE MANAGEMENT {TRASH DUMPSTER} ~ ~ ~ ~ --a-----o- = CONCRETE WASHOUT WASTE MANAGEMENT SANITARY/ SEPTIC WASTE MANAGEMENT {PORTABLE TOILET} SILT FENCE PER CASQA SE -1 GR<\ VEL BAGS PER CASQA SE -6 STORM DRAIN INLET PROTECTION S£ -10 L ___________ _ !I 'I ' '' ' ' I I I I '1"" ·i i' 'I 11 '111 II ·: Ii! I ! : i • I 1i' l I! .. I, ii I ', i ' 1711 11707 MS 15-091 -~ ' -~ GRAVEL BAGS OVERLAP~--~-~---~ ONTO CURB ---~~ -- J FT (0.9 M} MIN., RUNOFF GAP BET~EEN BAGS ACTS AS SPILL~AY THREE LAYERS OF GRAVEL BAGS ~ITH ENDS OVERLAPPED GRAVEL BAGS ND SCALE PER SE-6 OF THE CASQA BMP HANDBOOK I. SET POSTS AND EXCAVATE A 4 BY 4 IN (10 BY 10 CM) TRENCH UPSLOPE FROM AND ALONG THE LINE OF POSTS. 10' MAX. -/ -~~4 IN (10 CM) 2. ATTACH THE FILTER FABRIC TD 3. BACKFILL AND COMPACT THE FENCE AND EXTEND IT EXCAVATED S□IL. INT□ THE TRENCH. EXISTING j 14'MIN. T 50'MIN. PUBLIC TRAVELLED RDADVAY PUBLIC TRAVELLED ROADVAY 20' RAD. THE PROVIDE APPR□PR ATE TRANSITIDN BET~EEN STABILIZED C □NSTRUCTIDN ENTRANCE AND PUBLIC TRAVELLED ROAD~AY STABILIZED CONSTRUCTION ENTRANCE ND SCALE PER TC-1 OF THE CASQA BMP HANDBOOK CITY OF CARLSBAD ENGINEERING DEPARTMENT ImosI0N CCJN'l'IWL l'LJ\N 1"01{ REMAIKDER PARC ET., P. M. 12263 VALLEY STREET ' ' i ' •I I Ii ' .I . ' \ J .I CJ I 2 G) 2 .·c s: Ill m ll CJ :ti ~ -2 G) 2 C s: Ill m ll , ,. " \. / ' ' I ' _ __,,/ I I