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HomeMy WebLinkAboutR-406331_J J L'i m Q Q N CD N a Z w I rn DO .5 (n / 00 O CD CD 00 i a w JOINTS IN FILTER FASRfC SHALL BE SPLICED AT POSTS. USE STAPLES, WIRE RINGS. OR EQUIVALENT TO ATTACH FASRiC TO POSTS 2"x2" 14 GAUGE WIRE, OR EQUIVALENT, IF STANDARD STRENGTH FAI3R IC USED FILTER FABRIC --ICI---------- 'MAX. POST SPACING MAY BE INCREASED 70 V IF WIRE BACKING IS USED I ;A x4" MIN. TRENCH I `` I 12' MIN. J 13ACKFILL TRENCH WITH NATIVE SOILLiIf OR314" TO I.1l2" WASHED GRAVEL 2'x4" WOOD POSTS. STEEL FENCE POSTS, OR EQUIVALENT (TYP.) NOTES. t. COF{OR1471S OF USE 1.1. SILT FENCE MAY BE USED DOWNSLOPE OF ALL DISTURBED AREAS. 1.2. SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOWS. NOR IS IT INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLOW. ANY CONCENTRATED FLOW MUST BE CONVEYED THROUGH THE DRAINAGE SYSTEM TO A SEDIMENT TRAP OR POND. 2. DESIGN AND INSTALLATION SPECIFICATIONS 2.1 'CHE GEOTEXTILE USED MUST MEET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURER'S FABRIC SPECIFICATIONS MUST BE AVAILABLE ON SITE. AD$ (A$TM (14751) 3a1B0 SIEVE SIZE {B.SR-4.45-j FOR SILT FILM 50.500 SEVE SIZE (4.�-0.S5mm) FOR OTHER 1=ABRiCS WATER PERMITTIVRY(ASTM D4491y 0.02 SEC'MINIMUM GRAB TENSILE STRENGTH (ASTM 1:14632) 180 LBS. MIN. FOR EXTRA STRENGTH FABRIC 100 LBS MIN. FOR STANDARD STRENGTH FABRIC GRAB TENSILE ELONGATION fAST A D4532) 30%MA(. IWDVEN) ULTRAVIOLET RESISTANCE tASTM Ot3SN 70%MIN. 2.2. STANDARD STRENGTH FABRIC REOUIRES WIRE BACKING TO INCREASE THE STRENGTH OF THE FENCE. WIRE BACKING OR CLOSER POST SPACING MAY BE REQUIRE D FOR EXTRA STRENGTH FABRIC IF FIELD PERFORMANCE WARRANTS A STRONGER FENCE. 2.3. WHERE THE FENCE IS INSTALLED, THE SLOPE SHALL NOT BE STEEPER THAN 2H:1 V 24 IF A TYPICAL aLt FENCE Is USED, THE 8'ANDARD 4'XV TRENCH MAY BE RrDuGEO AS LONG AS THE BOTTOM 9 INCHES OF THE SILT FENCE FABRIC Is WELL BURIED AND SECURE IN A TRENCH THAT STABILIZES THE FENCE AND DOES NOT ALLOW WATER TO BYPASS OR UNDERMINE THE SILT FENCE. 2.5 FILTER FABRIC FENCES SHALL BE INSTALLED ALONG CONTOURS WHENEVER POSSIBLE 3, MAINTENANCE STANDARDS 5.1. ANY DAMAGE SHALL BE REPAIRED IMMEDIATELY- 3.2. IF CONCENTRATED FLOWS ARE EVIDENT UPHILL OF THE FENCE, THEY MUST BE INTERCEPTED AND CONVEYED TO A SEDIMENT TRAP OR POND 3.3. IT IS IMPCRTANTTO CHECK THE UPHILL SIDE OF THE FENCE FOR SIGNS OF THE FENCE CLOGGING AND ACTING AS A BARRIER TO FLOW AND THEN CAUSING CHANNELIZATION OF FLOWS PARALLEL TO THE FENCE. IF THIS OCCURS, REPLACE THE FENCE OR REMOVE THE TRAPPED SEDIMENT 3A. SEDIMENT MUST BE REMOVED WHEN SEDIMENT IS B INCHES HIGH. 3.5. IF THE FILTER FABRIC (GECTEXTILE I HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN, IT SMALL BE REPLACED. L)MUSSOTHr,RWI':F NOTr D,DRA'WINC.IS'JOTTO.CAI.? FNTSI STD, PLAN - 214.00 PUBLIC WORKS DEPARTMENT SILT FENCE GAZ 9/28/2015 r..... vla.. ean,...:..n . DAT If ILT FENCE TO SCALE 4' MIN. 12' DEPTH 2" -4' ROCK 24' MIN. SETTLING DEPTH 1.S-MIN SEDIMENT S1 ORAGE J NOTES: 1. MAYBE CONSTRUCTED BY EXCAVATION OR BY BUILDING A BERM 12, OVERFLOW DEPTH OUTFE-OW CHANNEL IF r CQ74STRUGTED BY EXCAVATION l J S MAX. 12" DEPTH 914' - 1 11'£ WASHED GRAVEL FILTER FABRIC FENCING OVERFLOW SPILLWAY V MIN. WIDTH : 4 S AI UNLESS OTHERWISE NOTED, DRAWING15 NOT TO SCALE (NTSI STD. PLAN - I1140 PUBLIC WORKS RKMED. DEPARTMENT SEDIMENT TRAP GAS 9/28/2018 I DATE SEDIMENT TRAP NOT TO SCALE Ram R 25' MIN. INSTALL DRIVEWAY CULVERT IF THERE IS A ROADSIDE DITCH PRESENT, AS PER CITY ROADSTANDARDS 4",W QUARRY SPALLS GEOTEXTILE 12' MIN. THICKNESS RECORD TESC NOTES FOR CHICK=FIL=A RENTON SECTION 18, TWP. 23 N., RGE 5 EAST, W. M. CITY OF RENTON, KING COUNTY, STATE OF WASHINGTON CONSTRUCTION ENTRANCE NOTES: 1 DRIVEWAYS SHALL BE PAVED TO THE EDGE OF THE RIGHT--OF-WAY PRIOR TO INSTALLATION OF THE CONSTRUCTION ENTRANCE TO AVOID DAMAGING OF THE ROADWAY. 2. 1T is RECOMMENDED THAT THE ENTRANCE BE CROWNED SO THAT RUNOFF DRAINS OFF THE PAD 15, MIN. PROVIDE FULL WIDTH OF INGRESSIEGRESS AREA NOTES: 1- CONDITIONDFUSE 1 1 CONSTRUCTION ENTRANCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUCTION SITE AND TRAVEUNC' ON PAVED ROADS OR OTHER PAVE D AREAS WITHIN 1,000 FEET OF THE 917E 12. FOR RESIDENTIAL CONSTRUCTION PROVIDE STABILIZED CONSTRUCTION ENTRANCES FOR EACH RESIDENCE IN ADDITION TO THE MAIN SUBDIVISION ENTRANCE. STASIUMD SURFACES SHALL BE OF SUFMIENT LEN07MWIOTH TO PROVIDE VEHICLE ACCESSIPARKLNG. BASED ON LOT SIZEICONF IURATION. 2, DESIGN AND INSTALLATION SPECIFICATIORS 2.1. A SEPARATION GEOTEXTILE SHALL BE PLACED UNDER THE SPALLS TO PREVENT FINE SEDIMENT FROM PUMPING UP INTO THE ROCK PAD. THE GEOTEXTILE SHALL MEET THE FOLLOWING STANDARDS - GRAB TENSILE STRENGTH (ASTM D4432) 200 LBS. MIN. GRAB TENSILE ELONGATION (ASTM 04M 30% MAX. (WOVEN) CBR PUNCTURE STRENGTH (ASTM D8241) 496 LBS. MIN. ADS (ASTM 0475T) 2(W5 IU.S. STANDARD SIEVE SIZE) 2.2 DO NOT USE CRUSHED CONCRETE, CEMENT, OR CALCIUM CHLORIDE FOR OONSTRUCTION ENTRANCE STABILIZATION BECAUSE THESE PRODUCTS RAISE 0H LEVELS IN STORMWATER AND CONCRETE DISCHARGE TO SURFACE WATERS OF THE STATE IS PROHIBITED. 2.3. HOG FUEL (WOOD BASED MULCHy MAY BE SUBSTITUTED FOR OR COMBINED WITH QUARRY SPALLS IN AREAS THAT WILL NOT BE USED FOR PERMANENT ROAOS- HOG FUEL IS NOT RECOMMENDED FOR ENTRANCE STABILIZATION IN URBAN AREAS THE INSPECTOR MAY AT ANY TIME REQUIRE THE USE OF QUARRY SPALLS IF THE HOG FUEL IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEMENT OR IF THE HOG FUEL IS BEING CARRIED ONTO PAVEMENT. 2.4 FENCING SHALL 9E INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE 2.5 WHENEVER POSSIBLE. THE ENTRANCE SHALL BE CONSTRUCTED ON A FIRM. COMPACTED SUBGRADE. THIS CAN SUBSTANTIALLY INCREASE THE EFFECTIVENESS OF THE PAD AND REDUCE THE NEED FOR MAINTENANCE. 3. MAINTENANCE STANDARDS 3.1. QUARRY SPALLS SHALL BE ADDED IF THE PAD IS NO LONGER IN ACCORDANCE WITH THE SPECIFICATIONS. 3.2. IF THE ENTRANCE IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEME NT, THEN ALTERNATIVE MEASURES TO KEEP THE STREETS FREE OF SEDIMENT SHALL, BE USED. TH LS MAY INCLUDE STREET SWEEPING. AN INCREASE IN THE 13IMEN5IQNS OF THE ENTRANCE, OR THE IN5TALLATION OF A WHEEL WASH. IF WASHING IS USED, IT SHALL BE DONE ON AN AREA COVERED WITH CRUSHED ROCK. AND WASH WATER SHALL DRAIN TO A SEDIMENT TRAP OR POND. 3.3. ANY SEDIMENT THAT IS TRACKED ONTO PAVEMENT SHALL BE REMOVED IMMEDIATELY BY SWEEPING. THE SEDIMENT COLLECTED BY SWEEPING SHALL BE REMOVED OR STABILIZED ON SITE. THE PAVEMENT SHALL NOT BE CLEANED BY WASHING DOWN THE STREET, EXCEPT WHEN SWEEPING IS INEFFECTIVE AND THERE IS A THREAT TO PUBLIC SAFETY. IF I T IS NECESSARY TO WASH THE STREETS, A SMALL SUMP MUST BE CONSTRUCTED. THE SEDIMENT WOULD THEN BE WASHEO INTO THE SUMP WHERE IT CAN BE CONTROLLED AND DISCHARGED APPROPRIATELY. WASH WATER MUST BE PUMPED BACK ONTO THE SITE AND CANNOT DISCHARGE TO SYSTEMS TRIBUTARY TO SURFACE WATERS. 3.4. ANY QUARRY SPALLS THAT ARE LOOSENED FROM THE PAD AND END UP ON THE ROADWAY SHALL HE REMOVED IMMEDIATELY 3'.5. IF VEHICLES ARE ENTERING OR EXITING THE SITES AT POINTS OTHER THAN THE CONSTRUCTION ENTRANCEISI, FENCING SHALL BE INSTALLED TO CONTROL TRAFFIC. UNL955 OTH[R W IS E NOTEP, ❑RAW spy 15 Nor TO $OLF (NYSI STD. PLAN - 215.10 PUBLIC WORKS PPVOvrn DEPARTMENT STABILIZED CONSTRUCTION ENTRANCE GAZ 9/28/2018 I ism, w �DATE CONSTRUCTION ENTRANCE NOT TO SCALE I C /011 n n /CAI 1/AKii7rll .45 Al V V1 NV I\LIL IVIIIV I I\\-/VIVL JLI.VI\L BLOCK MIN 80 ATTACHMENT AROUND LBS ENTIRE FENCE PANEL TEMPORARY CONSTRUCTION FENCE NOT TO SCALE :45 AN Barghausen Consulting Engineers, Inc. 18215 72nd Avenue South Kent, WA 98032 425.251.6222 barghausen.com TYP) 2 MAX. LEVELBQTTOM MAX 1� 12' MEN. �TMIN.� SWALE SPACING DEPENDS ON SLOPE GRADIENT NOTES. 1. CONDITIONS OF USE 1.1. REQUIRED AT I.1.1. THE TOP OF AL L SLOPES IN EXCESS OF 311:1 V AND WITH MORE THAN 20 FEET OF VERTICAL RELIEF. 1.1.2. AT INTERVALS -ON ANY SLOPES THAT EXCEEDS THE DIMENSIONS SPECIFIED BELOW AVERAGE SLOPE SLOPE PERCENT FLOW PATH LENGTH 20i;IV IOR LESS) 3-5% 300 FEET ($0 TO 20)H:IV 5-1846 209 FEET 14 TO I0y1­1-1 V 10"414 100 FEET f2T04yH1V 2540% SO FEET 2, DESIGN AND INSTALLATION SPECIFICATIONS 2,1. FOR SLOPES STEEPER THAN 2H;1V WITH MORE THAN 1D FEET OF VERTICAL REUEF. BENCHES MAY BE CONSTRUCTED OR CLOSER SPACED INTERCEPTOR SWALES MAY BE USED. THE DESIRED MEASURE MUST BE DESIGNED BY AN ENGINEER TO EFFECTIVELY INTERCEPT THE HIGH VELOCITY RUNOFF TO A SF OIMENT POND OR TRAP. 2.2. CONSTRUCTION TRAFFIC OVER TEMPORARY SWALES SHALL BE MINIMIZED. 3. MAINTENANCE STANDARDS 3,1. DAMAGE RESULTING FROM RUNOFF OR CONSTRUCTION ACTIVITY SHALL BE REPAIRED IMMEDIATELY- _12. IF THE FACILITIES DO NOT REGULARLY RETAIN STORM RUNOFF, THE CAPACITY ANIWOR FREQUENCY OF THE SWALES SMALL BE INCREASED. UNLE55 OTHERWISE NOTED, DRAWING 15 NOT M SCALE (NISI STD. PLAN - 217.10 INTERCEPTOR SWALE 9/29/2018 PUBLIC UR1 WORKS PR D DEPARTMENT GAZ I DATE NTERCEPTOR SWALE NOT TO SCALE EROSION AND SEDIMENT CONTROL (ESC) STANDARD PLAN NOTES- THE FOLLOWING IS A LISTING OF GENERAL NOTES THAT SHALL BE INCORPORATED IN THE EROSION AND SEDIMENT CONTROL (ESC) PLAN SET. ALL THE NOTES ON THL LIST MAY NOT PERTAIN TO EVERY PROJECT. THE APPLICANT OR OWNER. HEREBY REFERRED TO AS APPLICANT. MAY STRIKE OUT IRRELEVANT NOTES IF NOT APPLICABLE TO THE PROJECT. HOWEVER, THE APPLICANT SHALL NOT RENUMBER NOR EDIT THE REMAINING NOTES. IF ADDITIONAL NOTES ARE NEEDED FOR SPECIFIi ASPECTS, THEY SHALL BE ADDED AFTER THE ESC STANDARD PLAN NOTES. 1 BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING SHALL BE HELD AMONG THE CITY OF RENTON, HEREBY REFERRED TO AS THE CM, THE APPLICANT, AND THE APPLICANT'S CONTRACTOR. 2 THE APPLICANT IS RESPONSIBLE FOR OBTAINING THE WASHINGTON STATE DEPARTMENT OF ECOLOGY (ECOLOGY) CONSTRUCTION STORMWATER GENERAL PERMIT, IF IT IS REQUIRED FOR THE PROJECT. THE APPLICANT SHALL PROVIDE THE CITY COPIES OF ALL MONITORING REPORTS PROVIDED TO ECOLOGY ASSOCIATED WITH THE CONSTRUCTION STORMWATER GENERAL PERMIT THE ESC PLAN SET SHALL INCLUDE AN ESC CONSTRUCTION SEQUENCE DETAILING THE ORDERED STEPS THAT SHALL BE FOLLOWED FROM CONSTRUCTION COMMENCEMENT TO POST -PROJECT CLEANUP IN ORDER TO FULFILL PROJECT ESC REQUIREMENTS. 4 THE BOUNDARIES OF THE CLEARING LIMITS, SENSITIVE AREAS AND THEIR BUFFERS, AND AREAS OF VEGETATION PRESERVATION AND TREE RETENTION AS PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY DELINEATED BY FENCING AND PROTECTED IN THE FIELD IN ACCORDANCE WITH APPENDIX D OF THE CITY OF RENTON SURFACE WATER DESIGN MANUAL (RENTON SWDM) PRIOR TO THE START OF CONSTRUCTION. DURING THE CONSTRUCTION PERIOD. NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED BY THE APPLICANTIESC SUPERVISOR FOR THE DURATION OF CQNSTRUGTION. 5 STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. ADDITIONAL MEASURES. SUCH AS CONSTRUCTED WHEEL WASH SYSTEMS OR WASH PADS. MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN AND TRACK -OUT TO ROAD RIGHT OF WAY DOES NOT OCCUR FOR THE DURATION OF THE PROJECT, IF SEDIMENT IS TRACKED OFFSITE. PUBLIC ROADS SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY, OR MORE FREQUENTLY WRING WET WEATHER, AS NECESSARY TO PREVENT SEDIMENT FROM ENTERING WATERS OF THE STATE. 6, WASHOUT FROM CONCRETE TRUCKS SHALL BE PERFORMED OFFSFTE OR IN DESIGNATED CONCRETE WASHOUT AREAS ONLY. DO NOT WASH OUT CONCRETE TRUCKS ONTO THE GROUND, OR TO STORM DRAINS OR OPEN DITCHES ON -SITE DUMPING OF EXCESS CONCRETE SHALL ONLY OCCUR IN DESIGNATED CONCRETE WASHOUT AREAS. 7 ALL REQUIRED ESC BMPS SHALL BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AND10R CONSTRUCTION TO PREVENT TRANSPORTATION OF SEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS AND ADJACENT PROPERTIES. ALL ESC BMPS SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING ANDIOR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON -SITE EROSION HAS PASSE. ALL ESC BMPS SHALL BE REMOVED AFTER CONSTRUCTION IS COMPLETED AND THE SITE HAS BEEN STABILIZED TO ENSURE POTENTIAL FOR ON -SITE EROSION DOES NOT EXIST. THE IMPLEMENTATION, MAINTENANCE. REPLACEMENT. ENHANCEMENT, AND REMOVAL OF ESC BMPS SHALL BE THE RESPONSIBILITY OF THE APPLICANT 8 ANY HAZARDOUS MATERIALS OR L IOUID PRODUCTS THAT HAVE THE POTENTIAL TO POLLUTE RUNOFF SHALL BE DISPOSED OF PROPERLY 9 THE ESC BMPS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE APPLICANT SHALL ANTICIPATE THAT MORE ESC SUPS WILL BE NECESSARY TO ENSURE COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION. IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE APPLICANT TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL ESC BMPS, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT ADJACENT PROPERTIES AND WATER DUALITY OF THE RECEIVING DRAINAGE SYSTEM. 10. APPROVAL OF THIS PLAN IS FOR ESC ONLY, IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS CHANNELS, OR STORMWATER FACILITIES - 11, ANY DEWATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OF STORMWATER FACILITIES SHALL BE SUBMITTED TO THE CITY FOR REVIEW AND APPROVAL 12. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCTOBER 1ST THROUGH APRIL 30TH) OR SEVEN DAYS DURING THE DRY SEASON (MAY 1ST THROUGH SEPTEMBER 30TH) SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVL L ESC COVER METHODS (E. G., SEEDING, MULCHING, PLASTIC COVERING, ETC.) IN CONFORMANCE WITH APPENDIX D OF THE RENTON SWOM. 13. WET SEASON ESC REQUIREMENTS APPLY TO ALL CONSTRUCTION SITES BETWEEN OCTOBER 1ST AND APRIL 30TH, UNLESS OTHERWISE APPROVED BY THE CITY 14. ANY AREA NEEDING ADDITIONAL ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRESSED WITHIN SEVEN 17) DAYS. 15, THE ESC BMPS ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED AT A MINIMUM OF ONCE A MONTH OR WITHIN 24 HOURS FOLLOWING A STORM EVENT INSPECTION AND MAINTENANCE SHALL OCCUR MORE FREQUENTLY AS REQUIRED BY THE CITY. IR BEFORE COMMENCEMENT OF ANY CONSTRUCTION ACTIVITY, CATCH BASIN INSERTS PER THE CITY STANDARD PLAN 216.30 SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS DOWNSLOPE AND WITHIN 500 FEET OF A DISTURBED OR CONSTRUCTION AREA, UNLESS THE RUNOFF THAT ENTERS THE INLET WILL BE CONVEYED TO A SEDIMENT POND OR TRAP. ALL CATCH BASIN INSERTS SHALL BE PERIODICALLY INSPECTED AND REPLACED AS NECESSARY TO ENSURE FULLY FUNCTIONING CONDITION. 17, AT NO TIME SHALL SEDIMENT ACCUMULATION EXCEED 7J3 OF THE CAPACITY OF THE CATCH BASIN SUMP. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM, 18, ANY PERMANENT STORMWATER FACILITY LOCATION USED AS A TEMPORARY SETTLING BASIN SHALL BE MODIFIED WITH THE NECESSARY ESC BMPS AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE TEMPORARY FACILITY IS TO ULTIMATELY FUNCTION AS AN INFILTRATION SYSTEM IN ITS PERMANENT STATE, THE TEMPORARY FACILITY SHALL BE ROUGH GRADED SO THAT THE BOTTOM AND SIDES ARE AT LEAST THREE FEET ABOVE THE FINAL GRADE OF THE PERMANENT FACILITY. 19. AREAS DESIGNATED ON THE PLAN(S) CONTAINING EXISTING STORMWATER FACILITIES OR ON -SITE BMPS (AMENDED SOILS, BIORETENTION, PERMEABLE PAVEMENT ETC.) SHALL BE CLEARLY FENCED AND PROTECTED USING ESC BMPS TO AVOID SEDIMENTATION AND COMPACTION DURING CONSTRUCTION. 20, PRIOR TO THE BEGINNING OF THE WET SEASON (OCTOBER 1ST), ALL DISTURBED AREAS SHALL BE INSPECTED TO IDENTIFY WHICH ONES SHALL BE SODDED OR SEEDED IN PREPARATION FOR THE WINTER RAINS. DISTURBED AREAS SMALL BE SODDED OR SEEDED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON AN EXHIBIT OF THOSE AREAS TO BE SODDED OR SEEDED AND THOSE AREAS TO REMAIN UNCOVERED SHALL BE SUBMITTED TO THE CITY FOR REVIEW 21. PRIOR TO FINAL CONSTRUCTION ACCEPTANCE, THE PROJECT SITE SHALL BE STABILIZED TO PREVENT SEDIMENT -LADEN WATER FROM LEAVING THE PROJECT SIT L ALL ESC BMPS SHALL BE REMOVED, AND STORMWATER CONVEYANCE SYSTEMS, FACILITIES, AND ONSrTE BMPS SHALL BE RESTORED TO THEIR FULLY FUNCTIONING CONDITION. ALL DISTURBED AREAS OF THE PROJECT SITE SHALL BE VEGETATED OR OTHERWISE PERMANENTLY STABILIZED, AT A MINIMUM, DISTURBED AREAS SHALL BE SODDED OR SEEDED AND MULCHED TO ENSURE THAT SUFFICIENT COVER WILL DEVELOP SHORTLY AFTER FINAL APPROVAL. MULCH WITHOUT SEEDING IS ADEQUATE FOR AREAS TO BE LANDSCAPED BEFORE OCTOBER 1ST 22, ROCKERIES ARE CONSIDERED TO BE A METHOD OF BANK STABILIZATION AND EROSION CONTROL. ROCKERIES SHALL NOT BE CONSTRUCTED TO SERVE AS RETAINING WALLS. ALL ROCKERIES IN CITY ROAD RIGHTS -OF -WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH CITY STANDARDS. ROCKERIES OUTSIDE OF ROAD RIGHTS -OF -WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE INTERNATIONAL BUILDING CODE. STD. PLAN - 268.00 PUBLIC WORKS EROSION AND SEDIMENT CONTROL VGAZ DEPARTMENT STANDARD PLAN NOTES 9/28/2018 I DATE SURVEYED: RLH DESIGNED: JC DRAWN: CMS AS -BUILT PLANS MM 3/15/21 CRJ CHECKED: AEM NO. REVISION BY DATE APPR APPROVED: CRJ :4S AN 5' MAX. DRAINAGE GRATE TRIM GRATE FRAME _ CT OVERFLOW BYPASS 7 BELOW INLET GRATE DEVICE SEDIMENT AND DEBRIS FILTERED WATER SECTION VIEW DRAINAGE GRATE IRECTANG1JI.AR GRATE SHOWN] RETRIEVAL SYSTEM LTY P.) - I !l!1! OVERFLOW BYPASS iTYP.) BELOW 114L.ET GRATE DEVICE ISOMETRIC VIEW NOTES: 1. PROTECTION SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS DOWNSLOPE AND WITHIN 501) FEET OF A DISTURBED OR CONSTRUCTK)N AREA. UNLESS THE RUNOFF THAT ENTERS THE CATCH BASIN WILL BE C'O YED TO A SEDIMENT POND OR TRAP. 2. INLET PROTECTION SHALL BE USED TO PROTECT THE DRAINAGE SYSTEM 3, THE CONTRIBUTING DRAINAGE AREA MUST NOT BE LARGER THAN ONE ACRE 4. SIZE THE BELOW INLET GRATE DEVICE (GIGO) FOR THE STORMWATER STRUCTURE LT WILL SERVICE. 5. THE 316D SHALL HAVE A BU ILT-IN HIGH -FLOW RELIEF SYSTEM (OVERFLOW BYPASS). B. THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE BIGD WRHQUT SPILLING THE COLLECTED MATERIAL- 7 PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION B-01.306) B. ANY SEDIMENT IN THE CATCH BASIN INSERT SHALL BE REMOVED WHEN THE SEDIMENT HAS FILLED ONE-THIRD OF THE AVALLABLE STORAGE. THE. FILTER MEDIA FOR THE INSERT SHALL BE CLEANED OR REPLACED AT LEAST MONTHLY. UNLESS OTHERWISE NOTEJ), DRAWING 15 NOT TO SCALE (NISI tGA TD. PLAN - I16.30 URIPUBLIC WORKS DEPARTMENT CATCH BASIN INSERT 9/2$/2fl1$ I �.". DATE CATCH E3ASIN INSERT TO SCALE CITY OF RENTON EROSION AND SEDIMENT CONTROL NOTES I G' Q � z ,p 47671 :45 Ar e FC 1 S T ERA ss/DNA L '51 SCALE: N A / VERTICAL: NAVD 83/1 HORIZONTAL: NAD 1983/1991 • Cl T Y OF RENTON - • ONE INCH Planning/Building/Public Works Dept. AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY :45 AI 24 HR EMERGENCY CONTACT: DON IKELER (303) 519-7206 ® Know what's below. p Call before you dig. 1 Dial 811 R-406336 IN COMPLIANCE WITH CITY OF RENTON STANDARDS RECORD TESC NOTES 0 FOR CHICK-FIL-A RENTON ® 375 RAINIER AVE S RENTON, WA 98055 STORE NO.:04249 DATE: 12/19/2019 FIELDBOOK: PAGE: DRAWING NO: C3.1 SHEET:4 OF: 24