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Home My WebLink AboutW-048903ROUND SOLID LOCKING LID / iGROUND ELEVATION = 392.0' STANDARD GALV. C.B. LADDER STEPS �. ; . , OVERFLOW ELEVATION = 390.5' CHAIN 200 LB. CAPACITY, + , �- SLACK WHEN GATE IS DOWN. fI WELD CHAIN TO C.B. FRAME CLEANOUT G:-:TE LIFT TYPE, SELF - LOCKING CASCADE CULVERT INC. { f - GROUT #C /C /1 -LG OR EQUAL 12"CMP OUT I.E. 03865, I 1 �` I.E. = 386.5 NOTE: SEE PLAN VIEW FOR PROPER I" .� I, -_____--13A" ORIFICE DIA. ORIENTATION OF 18" DETENTION PIPES 12" CUP (OUT) DAYLIGHT PIPE AT PROPERTY LINE FOR -- DISCHARGE INTO NATURAL DRAINAGE CHANNEL ELEVATION PLAN PIPE (IN) IOVIDE SOLID LOCKING LID :R KING COUNTY STANDARDS ,DDER 18" CMP DETENTION PIPE(IN) CONTROL MANHOLE NTS 4 WTK- 24- 0.89 gm Engineedno NO. I REVISIONS I BY I APPR. I DATE I PC I RLA I RHH I NTS I 11/15/84 1 4A r �` EROSION /SEDIMENTATION CONTROL NOTES 1. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRE- 10. ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, SERVATION AS PRESCRIBED ON THE PLAN SHALL BE WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING TO A DEPTH OF ONE FOOT. ROCK AGGREGATE TO BE AS CONSTRUCTION. FOLLOWS: 2. ALL REQUIRED SEDIMENTATIONIEROSION CONTROL 'h'- 2"- 10% - 20% FACILITIES MUST BE CONSTRUCTED AND IN OPERATION 2"- 4"- 201/6 - 401/6 PRIOR TO LAND CLEARING AND /OR OTHER CONSTRUCTION 4" - 8"- 40% - 701/6 TO INSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER 11. STRUCTURES SHALL NOT BE PERMrTTED WITHIN 10' OF THE NATURAL DRAINAGE SYSTEM. ALL EROSION AND THE SPRING LINE OF ANY STORM DRAINAGE PIPE(S), OR SEDIMENT FACILITIES SHALL BE MAINTAINED INA SATISFAC- 15' FROM THE TOP OF ANY CHANNEL BANK. TORY CONDITION UNTIL SUCH TIME THAT CLEARING AND /OR CONSTRUCTION IS COMPLETED AND POTENTIAL FOR ON- 92. THE STORM DRAINAGE SYSTEM SHALL BE CONSTRUCTED SITE EROSION HAS PASSED. THE IMPLEMENTATION, MAIN- ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE TENANCE, REPLACEMENT AND ADDITIONS TO EROSION IN THE DEPARTMENT OF PUBLIC WORKS CENTRAL RE- SEDIMENTATION CONTROL SYSTEMS SHALL BE THE CORDS. ANY DEVIATION FROM THE APPROVED PLANS WILL RESPONSIBILITY OF THE PERMITTEE. REQUIRE WRITTEN APPROVAL FROM THE PROPER 3. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS AGENCY, CURRENTLY THE KING COUNTY DEPARTMENT OF DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM PUBLIC WORKS. REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. 13. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SITE WHENEVER CONSTRUCTION IS IN PROGRESS. SEASONAL CONDITIONS DICTATE, THE PERMITTEE SHOULD 14. PRIOR TO ANY CONSTRUCTION/DEVELOPMENT ACTIVITY ANTICIPATE THAT MORE EROSION AND SEDIMENTATION THE KING COUNTY DEPARTMENT OF PUBLIC WORKS CONTROL FACILITIES WILL BE NECESSARY TO INSURE COM- DEVELOPMENT INSPECTION SECTION MUST BE CON - P'ZETE SILTATION CONTROL ON THE PROPOSED SITE. TACT (PHONE NO. 255 -2531) FOR A PRE -CONSTRUCTION DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE PERMITTEE TO MEETING. ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED 15. IN ADDITION TO FULL INSTALLATION OF TEMPORARY ERO- BY HIS ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES, SION AND SEDIMENTATION CONTROL FACILITIES, ALL R/D OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE FACILITIES , ALL R/D FACILITIES WILL BE INSTALLED AND NEEDED TO PROTECT ADJACENT PROPERTIES AND WATER IN OPERATION PRIORTOOR IN CONJUCTION WITHALLCON- QUALITY OF THE RECEIVING DRAINAGE SYSTEM. STRUCTION ACTIVITY WHENEVER THAT ACTIVITY EXCEEDS 4. APPROVAL OF THIS PLAN IS FOR EROSION /SEDIMENTATION THE CAPACITY AND INTENT OF THE ERATION/SEDIMENTA- CONTROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL TION CONTROL FACILITIES UNLESS OTHERWISE OF STORM DRAINAGE DESIGN, SIZE OR LOCATION OF PIPES, APPROVED BY THE SURFACE WATER MANAGEMENT DIVI- RESTRICTORS, CHANNELS OR RETENTION FACILITIES. SION. S. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION 16. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 AND WHERE NO FURTHER WORK IS ANTICIPATED FOR A FEET BELOW PAVEMENT LEVEL. PERIOD OF 30 DAYS OR MORE, ALL DISTURBED AREAS MUST 17. PER KING COUNTY CODE 20.50.100 SECTION D., THE PER - BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS SON REQUIRED TO CONSTRUCT THE FACILITY PURSUANT PLANTING OR OTHER APPROVED EROSION CONTROL TO SECTION 20.50.050 SHALL MAINTAIN A LIABILITY POLICY TREATMENT APPLICABLE TO THE TIME OF YEAR IN DUES- IN THE AMOUNT OF ONE HUNDRED THOUSAND DOLLARS TION. GRASS SEEDING ALONE WILL BE ACCEPTABLE ONLY ($100,000) PER INDIVIDUAL, THREE HUNDRED THOUSAND DURING THE MONTHS OF APRIL THROUGH SEPTEMBER IN- DOLLARS ($300,000) PER OCCURRENCE AND FIFTY CLUSIVE. SEEDING MAY PROCEED, HOWEVER, WHENEVER THOUSAND DOLLARS ($50,000) PROPERTY DAMAGE, WHICH IT IS IN THE INTEREST OF THE PERMITTEE, BUT MUST BE SHALL NAME KING COUNTY AS AN ADDITIONAL INSURED, AUGMENTED WITH MULCHING, NETTING, OR OTHER TREAT- AND WHICH SHALL PROTECT KING COUNTY FROM ANY LIA- MENT APPROVED BY KING COUNTY SURFACE WATER BILITY UP TO THOSE AMOUNTS FOR ANY ACCIDENT, NEGLI- MANAGEMENT, OUTSIDE THE SPECIFIED TIME PERIOD. GENCE, FAILURE OF THE FACILITY, OR ANY OTHER LIABIL- 6. FOR ALL EROSION/SEDIMENTATION CONTROL PONDS ITY WHATSOEVER, RELATING TO THE CONSTRUCTION OR WHERE THE DEAD STORAGE DEPTH EXCEEDS 6INCHES, A MAINTENANCE OF THE FACILITY. PROOF OF SAID LIABILITY FENCE, A MINIMUM OF 3 FEET HIGH, IS REQUIRED. POLICY SHALL BE .PROVIDED TO THE DEVELOPMENT INSPECTION SECTION, 155 MONROE AVE H.E., RENTON, WA 98055 (206 - 255 -2531, OR OPERATOR ASSISTED, ZENITH 5050, TOLL FREE NUMBER) PRIOR TO SETTING UP A PRE -CON- TORMWATER DRAINAGE PLAN NOTES STRUCT10N MEETING, PROVIDED, THAT IN THE CASE OF FACILITIES ASSUMED BY KING COUNTY FOR MAINTENANCE 1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH KING PURSUANT TO SECTION 20.50.110, SAID LIABILITY POLICY COUNTY SPECIFICATIONS. SHALL BE TERMINATED WHEN SAID COUNTY MAINTE- 2. DATUM SHALL BE K.C.A.S. UNLESS OTHERWISE APPROVED NANCE RESPONSIBILITY COMMENCES. BY KING COUNTY DEPARTMENT OF PUBLIC WORKS. 18. CATCH BASIN GRATES INSTALLED ON COUNTY RIGHT -0F - 3. ALL SEDIMENTATION/EROSION FACILITIES MUST BE W WAY SHALL CONFORM TO STANDARD DRAWING NO. 39 OR AIORTOC SARI OPERATION PRIOR CLEARING AND BUILDING NO. 44 WHICH INCLUDES THE STAMPING "OUTFALL TO U MAINTAINED TION, AND THEY MUST BE SATISFACTORILY MAINTAINED STREAM, DUMP NO POLLUTANTS" AND "PROF ERTY OF UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL KING COUNTY." FOR ONSITE EROSION HAS PASSED. 19. OPEN CUT ROAD CROSSING FOR UTILITY TRENCHES ON 4. GALVANIZED STEEL PIPE UTILIZED AS DETENTION EXISTING TRAVELED ROADWAY SHALL BE BACKFILLED FACILITIES SHALL HAVE ASPHALT TREATMENT M1 OR ONLY WITH PEA GRAVEL OR sib" MINUS CRUSHED ROCK BETTER INSIDE AND OUTSIDE. AND MECHANICALLY COMPACTED. CUTS INTO THE EXIST - 5. ALL DISTURBED AREAS SHALL BE SEEDED OR STABILIZED ING ASPHALT SHALL BE NEAT LINE CUT WITH SAW OR JACKHAMMER IN A CONTINUOUS LINE. A TEMPORARY BY OTHER SURFACE WATER MANAGEMENT METHODS FOR COLD MIX PATCH MUST BE PLACED IMMEDIATELY AFTER THE PREVENTION OF ONSITE EROSION AFTER THE COMPLE- BACKFILL AND COMPACTION. A PERMANENT HOT MIX TION OF CONSTRUCTION. PATCH SHALL BE PLACED WITHIN 30 DAYS AND SHALL BE 6. GRASS SEEDING WILL BE DONE USING AN APPROVED TYPE THE THICKNESS OF THE ORIGINAL ASPHALT OR TWO HYDRO - SEEDER, OR AS OTHERWISE APPROVED BY KING INCHES, WHICHEVER IS GREATER. COUNTY DEPARTMENT OF PUBLIC WORKS. THE PERFOR- 20. ALL METAL DRIVEWAY CULVERTS WITHIN COUNTY RIGHT - MANCE BOND WILL NOT BE RELEASED UNTIL THE GRASS OF -WAY MUST. HAVE CONCRETE OR MASONRY HEADWALLS HAS BEEN ESTABLISHED, UNLESS OTHERWISE AF PROVED OF ACCEPTABLE DESIGN. BY THE KING COUNTY DEPARTMENT OF PUBLIC WORKS. 7. ALL PIPE SHALL BE LAID ON A PROPERLY PRE- 21. UTILITY INSTALLATION PLANS: PLANS SHOWING ALL UN- PARED FOUNDATION ACCORDING TO WASHINGTON STATE DERGROUND UTILVES MUST BE PROVIDED TO THE KING SPEC. 7 -02.3(1). THIS SHALL INCLUDE NECESSARY LEVELING COUNTY DEPARTMENT OF PUBLIC WORKS DEVELOPMENT OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION INSPECTION SECTION, 155 MONROE AVE. N,E., RENTON, WA MATERIAL AS WELL AS PLACEMENT AND COMPACTION OF 98055 (206 - 255 -2531, OR OPERATOR ASSISTED, TOLL FREE REQUIRED BEDDING MATERIAL TO UNIFORM ', RADE SO NUMBER - ZENITH 5050). PLANS FOR WATER AND SANI- THATTHE ENTIRE LENGTH OFTHE PIPE WILL BESUPPORTED TARY SEWERS MUST BE PROVIDED PRIOR TO THE PRE - ON A UNIFORMLY DENSE UNYIELDING BASE. IF THE NATIVE CONSTRUCTION MEETING. PLANS FOR ALL OTHER MATERIAL IN THE BOTTOM OF THE TRENCH MEETS THE RE- UTILITIES MUST BE PROVIDED PRIORTOTHE INSTALLATION QUIREMENTS FOR "GRAVEL BACKFILL FOR PIPE BEDDING" OF ROAD BASE COURSE MATERIALS. SAID PLANS SHALL THE FIRST LIFT OF PIPE BEDDING MAY BE OMITTED PRO- SHOW THE LOCATION OF THE MEASURES THAT WILL BE VIDED THE MATERIAL IN THE BOTTOM OF THE TRENCH IS TAKEN TO PREVENT SOIL EROSION AND SEDIMENTATION. LOOSENED, REGRADED AND COMPACTED TO °ORM A 22. CONSTRUCTION OF DEWATERING SYSTEM SHALL BE IN DENSE UNYIELDING BASE. ACCORDANCE WITH SECTION 61.9.02 OF THE APWA STAN - REVISEC TO CONFORM 8. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL DARD SPECIFICATIONS. TO C NSTRU ION RECORDS BE CONNECTED TO THE STORM DRAINAGE SYSTEM, UNLESS OTHERWISE APPROVED THE THE DEPARTMENT OF PUBLIC 1Z 6- S WORKS. 9. ALL DRAINAGE STRUCTURES NOT ON PUBLIC RIGHT -0F - WAYS SHALL HAVE ROUND, SOLID LOCKING LIDS, UNLESS DATE OTHERWISE APPROVED BY THE DEPARTMENT OF PUBLIC WORKS. CITY OF RENTO`:V WEST HILL RESERV SIR I I DETAILS gm Engineedno NO. I REVISIONS I BY I APPR. I DATE I PC I RLA I RHH I NTS I 11/15/84 1 4A r �`