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Home My WebLink AboutR-421503LO N 1 O 1 0 W 1- LU 75 O 2 Z O 1- 1- Z LU 75 nG n O J W W ('11 W J 1- c/ ) U DocuSign Envelope ID: 6EECFSB6.602A-4E4A-B436-A317AA638878 JOINTS IN FILTER FABRIC SHALL BE SPLICED AT POSTS- USE STAPLES, WIRE RINGS. OR EQUIVALENT TO ATTACH FABRIC TO POSTS l 7xV 14 GAUGE WIRE, OR EQUIVALENT, IF STANDARD STRENGTH FABRIC USED 2'MIN FILTER FABRIC 9' MAX- �RGST SPACING MAY BE INC.RFASED OXI USED < 4'MINTRENCH I I� J BACKFILL TRENCH WITH NATIVE SOIL LJ OR IW TO 1-112" WASHED GRAVEL VIC WOOD POSTS, STEEL FENCE POSTS, OR EQUIVALENT (TYP.) NOTES: F 1 CONDITIONS❑ USE 1.1. SILT FENCE MAY BE USED DOWNSLOP€ OF ALL DISTURBED AREAS. 1.2. SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOWS, NOR IS 17INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLOW. ANY CONCENTRATED FLOW MUST BE CONVEYED THROUGH THE DRAINAGE SYSTEM TO A SEDIMENTTRAP OR POND. 2. DESIGN AND INSTALLATION SPECIFICATIONS. 2.1. THE GEOTEX TILE USED MUST MEE T THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURER'S FABRIC SPECIFICATfONS MUST BE AVAILABLE ON STE- ADS (ASTM 047511 ID-1110 SIEVE SIZE {t}.6G-4.15mr11} FOR SILT FILM 50-100 SEVE SIZE (D.3". 15mm1 FOR OTHER FABRICS WATER PERMTTTNFTY iASTM D4491) O.G2 SEC' MINIMUM GRAB TENSILE STRENGTH (ASTM D45321 1S3LSS. MIN. FOR EXTRA STRENGTH FABRIC 100 LAS. MIN. FOR STANDARD STRENGTH FABRIC GRAB TENSILE ELONGATION (ASTM 04932) 3046 MA}L (WOVEN) ULTRAVIOLET RESISTANCE IASTM N3551 70%MIN. 2.2. STANDARD STRENGTH FABRIC REQUIRES WIRE BACKING TO INCREASE THE STRENGTH OF THE FENCE: WIRE BACKING OR CLOSER POST SPACING MAY BE REQUIRED FOR EXTRA STRENGTH FABRIC IF FIELD PERFORMANCE WARRANTS A STRONGE R FENCE. 2.3- WHERE THE FENCE IS INSTALLED, THE SLOPE SHALL NOT HE STEEPER THAN 2H:1 V 2.4. IF ATYPICAL 81LT FENCE IS USED, THE STANDARD 4-X4' TRENCH MAY BE REDUCED AS LONG AS THE BOTTOM S 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 3.1 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: R IS IMPORTANT TO CHECK THE UPHILL SIDE OF THE FENCE FOR SIGNS OF THE FENCE CLOGGING AND ACTING AS A BARRIER TO FLOW AND THEN CAUSING CHANNELIZATt014 OF FLOWS PARALLEL TO THE FENCE. IF THIS OCCURS, REPLACE THE FENCE OR REMOVE THE TRAPPED SEDIMENT, 14. SEDIMENT MUST BE REMOVED WHEN SEDIMENT IS 6 INCHES HIGH. 3.5. IF T HIE FILTER FABRIC (GEOTEXTILE) HAS OF TERIORATEO DUE TO ULTRAVIOLET BREAKDOWN, IT SHALL BE REPLACED_ UNLESS OTHOWISE NOTED, DRAW LNG IS NDT TO SCALE [NTS; AdmlbL STD. PLAN - 214.00 PUBLIC WORKS Ps DEPARTMENT SILT FENCE GAZ 912812018 I - (9ronxwwwwmnimaa RATE .45 M CASTLE DEVELOPMENT TOWNHOMES RECORD DRAWINGS SW 114 OF SE 114 OF SECTION 18, T. 23 N., R. 05 E., W.M. CITY OF RENTON, STATE OF WASHINGTON DocuSign Envelope ID:6EECFSB6.602A-4E4A-B436-A317AA638878 V MAX DRAINAGE GRATE TRIM GRATE FRAME _ COVERFLOW BYPASS i BELOW INLET GRATE DEVICE SEDIMENTAND DEBRIS s '` FILTERED WATER SECTION VIEW DRAINAGE GRATE (RECTANGULAR GRATE SHOWN) RETRIEVAL SYSTEM CTYP.) OVERFLOW BYPASS(TYP.) BELOW INI-ET GRATE DEVICE ISOMETRIC VIEW NOTES: 1. PROTECTION SHALL BE PROVIDEO FOR ALL STORM DRAIN INLETS DOWNSLOPE AND WITHIN Sq6 FEET OF A DISTURBED OR CONSTRUCTION AREA. UNLESS THE RUNOFF THAT ENTERS THE CATCR BASIN WILL BE CONVEYED TO A SEOIMENT 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 (BIGOT FOR THE STORMWATER STRUCTURE 17 MOLL SERVICE. 5. THE BIGD SHALL HAVE A BUILT-IN! HIGH -FLOW RELIEF SYSTEM (OVERFLOW BYPASS). B. THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE BIGD WITHOUT SPILLING THE COLLECTED MATERIAL_ 7. PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION M1.8i15j. B. ANY SEDIMENT IN THE CATCH BASIN INSERT SHALL BE REMOVED WHEN THE SEDIMENT HAS FILLED ONE-THIRD OF THE AVAILABLE STORAGE. THE FILTER ME01A FOR THE INSERT SHALL BE CLEANED OR REPLACED AT LEAST MONTHLY. UNLESS OTHE ANISE NOT0. DRAWING IS NOF TO SCALE (NTS} STD, PLAN - II6.30 URPUBLIC WORKS APPIt F°' DEPARTMENT CATCH BASIN INSERT IGAZ 9/29/2018 1 wr�wwaa.."idmo. DATE pHILI,a waste ncom 0 ED ass ENGINEERING & SURVEYING Western Washington Division 38375 w� 165 NE Juniper Street, Suite 201 • Issaouah, WA 98027 • Phone: (425) 392-0250 � IscE �l ' Eastern Washington Division SIONAL 407 Swiftwater Blvd. ■ Cle Elum, WA 98922 ■ Phone: (509) 674-7433 0912012023 N 0 . REVISION :45 At DocuSign Envelope ID:6EECFSB6.602A-4E4A-B436-A317AA638878 R=2S'MIN.� INSTALL DRIVEWAY CULVERT IF THERE IS A ROADSIDE DITCH PRESENT, AS PER C17V ROAD STANDARDS 4'•6" QUARRY SPALLS --A GEOTEXTILE IV MIN. THICKNESS 1DD' MIN 1 DRIVEWAYS SHALL BE PAVED TO THE EDGE OF THE RIGHT -of -WAY PRIOR TO INSTALLATION OF THE CONSTRUCTION ENTRANCF TO AVOID ❑AMAGING OF THE ROADWAY. 2. IT IS RECOMMENDED THAT THE ENTRANCE BE CROWNED SO T I IA - RUNOFF DRAINS OFF THE PAD 1 S' MIN. PROVIDE FULL WIDTH OF INGRESSJEGRESS AREA NOTES: 1. CONDTTON QF USE 1.1. CONSTRUCTION ENTRANCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUC7N]N SITE AND TRAVELING ON PAVED ROADS OR OTHER PAVED AREAS WITHIN 1p61) FEET OF THE SITE I-L FOR RESIDENTIAL CONSTRUCTION PROVIDE STABILIZED CONSTRUCTION ENTRANCES FOR EACH RESIDENCE IN ADDITION TO THE MAIN SUBDIVISION ENTRANCE STABILIZED SURFACES SHALL BE OF SUFFICIENT LENGTI- MIDTH TO PROVIDE VEHICLE ACCES&PARKING, BASED ON LOT SIZPICONFIGURATION. 2. DESIGN AND INSYALLAYION SPECIFICATIONS 2.1. A SEPARATION GEOTEXTILE SHALL BE PLACED UNDER THE SPALLS TO PREVENT FINE SEDIMENT FROM PUMPING UP INTO THE ROCK PAD. THE GEOTEXULE SHALL MEET THE FOLLOWING STANDARDS - GRAB TENSILE STRENGTH (ASTM D4932) 2D0 LBS. MIN. GRAB TENSILE ELONGATION "TM D46M) W% MAX. (WOVEN) CBR PUNCTURE STRENGTH "TPA D6241) 495 LBS. MIN. ADS (ASTM 04T51) 20-45 (U.5_ STANDARD SIEVE SIZE) 2.2. DO NOT USE CRUSHED CONCRETE, CEMENT, OR CALCIUM CHLORIDE FOR CONSTRUCTION ENTRANCE STABILIZATION BECAUSE THESE PRODUCTS RAISE W LEVELS IN STORMWATER AND CONCRETE DISCHARGE TO SURFACE WATERS OF THE STATE IS PROHIBITED. 2.3. HOG FUEL (WOOD BASED MULCH) MAY BE SUBSTITUTED FOR OR COMBIN ED WITH QUARRY SPALLS IN AREAS THAT WILL NOT BE USED FOR PERMANENT ROADS. 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 5HA1 L BE INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE. 2.5. WHENEVER POSSIBLE. THE ENTRANCE SHALL BE CONSTRUCTED ON A FIRM, COMPACTED SUBGRAOE. THIS CAN SUBSTANTIALLY INCREASE THE EFFECTIVENESS OF THE PAD AND REDUCE THE NEED FOR MAINTENANCE 3. MAINTENANCE STANDARDS 11. QUARRY SPALLS SHALL BE ADDED IF THE PAO IS T40 LONGER IN ACCORDANCE WITH THE SPECIPECATMNS. 3.2. IF THE ENTRANCE IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO PAVEMENT, THEN ALTERNATIVE MEASURES TO KEEP THE STREETS FREE OF SEDIMENT SHALL BE USED. THIS MAY INCLUDE STREET SWEEPING, AN INCREASE IN THE DIMENSIONS OF THE ENTRANCE. DR THE IN5TALLATION OF A WHEEL WASH. IF WASHING i8 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 IT IS NECESSARY TO WASH THE STREETS, A SMALL SUMP MUST BE CONSTRUCTED. THE SEDIMENT WOULD THEN BE WASHED INTO THE SUMP WHERE 11 GAIN BE CONTROLLED AND DISCHARG>=D APPROPRIATELY. WASH WATER MUST BE PUMPED BACK ONTO THE S!T£ANO CANNOT DISCHARGE TO SYSTEMS TRIBUTARY TO SURFACE WATERS. 5.4. ANY QUARRY SPALLS THAT ARE LOOSENED FROM THE PAD AND END UP ON THE ROADWAY SHALL BE REMOVED IMMEDIATELY. 3.6. IF VEHICLES ARE ENTERING OR EXITING THE SITE$ AT POINTS OTHER THAN THE CONSTRUCTION ENTRANCE($), FENCING SHALL BE INSTALLED TO CONTROL TRAFFIC. STD. PLAN - 215,10 1�� ] DEPARTMENT PUBLIC WORKS STABILIZED CONSTRUCTION ENTRANCE PG EAZ 9/28/2018 - ro�wwwwmnieiam RATE SURVEYED: BUI DESIGNED: IWD DRAWN: TNF CHECKED: IWD BY DATE APPR APPROVED: CP SCALE: ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY VERTICAL: NAVD 1988 HORIZONTAL: NAD 1983/1991 DATUM :45 Al DocuSign Envelope ID:6EECFSB6.602A-4E4A-B436-A317AA638878 EROSION AND SEDIMENT CONTROL (ESC) STANDARD PLAN NOTES: THE FOLLOWING IS A LISTING OF GENERAL NOTES THAT SHALL BE 1NCORPORATEO IN THE EROSION AND SEDIMENT CONTROL (ESC) PLAN SET. ALL THE NOTES ON THE LIST MAY NOT PERTAIN TO EVERY PROJECT. THE APPLICANT OR CWNER, 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 SPECIFIC ASPECTS, THEY SHALL HE 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 PENTON. HEREBY REFERRED TD AS THE CITY, THE APPLIGANT, AND THE APPLICANTS CONTRACTOR, 2_ THE APPLJCANT IS RESPONSIBLE FOR OBTAINING THE WASH INGTON 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 1=COLOGY ASSOCIATED WITH THE CONSTRUCTION STORMWATER GENERAL PERMIT. 3. THE ESC PLAN SET SHALL INCLUDE AN ESC CQNSTRUCTJON SEQUENCE DETAILI NG THE ORDERED STEPS THAT SHALL BE FOLLOWED FROM CONSTRUCTION COMMENCEMENTTO POST -PROJECT CLEANUP iN ORDER TO FULFILL PROJECT ESC REQUIREMENTS. 4_ THE BOUNDARIES OF THE CLEARI NG 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 F IELD 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 54ALL HE MAINTAINED BY THE APPLJCANDESC SUPERVISOR FOR THE DURATION OF CONSTRUCTION 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 DURING WET WEATHER, AS NECESSARY TO PREVENT SEDIMENT FROM ENTERING WATERS OF THE STATE. 6_ WASHOUT FROM CONCRETE TRUCKS ShVLLL BE PERFORMED DFF-GTFE OR IN DESIGNATES] CONCRETE WASHOUT AREAS ONLY. DO NOT WASH OUT CONCRETE TRUCKS ONTO THE GROUND, OR TO STORM DRAINS OR OPEN PITCHES. ON DUMPI NG OF EXCESS CONCRETE SHALL ONLY OCCUR IN DESIGNATED CONCRETE WASHOUT AREAS. 7. ALL REQUIRED ESG BMPS SHALL BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AHDYOR CONSTRUCTION TO PREVENT TRANSPORTATION OF SEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS AND ADJACENT PROPERTIES, ALL ESC BMPS SHALL BE MAINTAINED IN A SATI SFACTDRY CONDITION UNTIL SUCH TIME THAT CLEARING A.NWOR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON -SITE EROSION HAS PASSED. ALL ESC BMPS SHALL BE REMOVED AFTER CONSTRUCTION IS COMPLETED AND THE SITE HAS BEEN STABILIZED TO ENSURE POTENTIAL FOR 0"ME EROSION DOES NOT EXIST_ THE IMPLEMENTATJON, MAINTENANCE- REPLACEMENT, ENHANCEMENT, AND REMOVAL OF E5C BMPS SHALL BE THE RESPONSIBILITY OF THE APPLICANT. 8- ANY HAZARDOUS MATERIALS OR LIQUID PRODUCTS THAT HAVE THE POTENTIAL TO POULITE 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 BMPS WILL BE NECESSARY TO ENSURE COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE T11E 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 AN➢ WATER DUALITY OF THE RECEIVING DRAINAGE SYSTEM. 1D, APPROVAL OF THIS PLAN IS FOR ESC ONLY. FF DOES NOT CON&T FUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICT❑RS, CHANNELS, OR STORMWATER FACILITIES. 11 ANY DE WATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OFSTORMWATER 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 APRRIL 30TH) OR SEVEN DAYS DURING THE DRY SEASON (MAY TST THROUGH SEPTEMBER 30TH) SHALL 9E IMMEDIATELY STABILIZED WITH THE APPROVED ESC COVER METHODS E.G. SEEDING MULCHING PLASTIC COVERING ETC, IN CONFORMANCE WITH APPENDIX D OF THE RENTON SWDM. f 1 N 13. WET SEASON ESC REO1-1€REMEN75 APPLY TO ALL CONSTRUCTION SITES BETWEEN OCTOBER I ST AND APRIL 30THC UNLESS OTHF_IYWISE APPROVED BY THE CITY_ 14 ANY AREA NEEDING A➢PIf ZONAL ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTIQN, SHALL 6E ADDRESSFP VATHIN SEVEN (7) 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 16 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 50D 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 HJSF_RTS SHALL BE PERIODICALLY INSPECTED AND REPLACED AS NECESSARY TO ENSURE FULLY FUNCTIONING CONDITION. 17. AT NO TIME SHALL SEDIMENT ACCUMULATION EXCEED W3 OF THE CAPACITY OF THE CATCH BASIN SUMP. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAYING. 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 TEMPORARe FACtLJTV 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 ONSLTE BMPS (AMEKBFD SOILS, 61ORET€NTION. PERMEABLE PAVEMENT, ETC.) SHALL SE 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 SHALL 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 BATE SHALL BE STABILIZED TO PREVENT SEOIMENT-LADEN WATF�R FROM LEAVING THE PROJECT SITE, ALL ESC BMPS SHALL BE REMOVED, AND STORMWATER CONVEYANCE SYSTEMS, FACILITIES, AND DN-SFTE 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 IST. 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 tN CITY ROAD RIGHTS -OF -WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH CITY STANDARDS_ ROCKERIES OUTSIDE OF ROAD RIGHTS -OF -WAY SHALL 9E CONSTRUCTED IN ACCORDANCE WITH THE INTERNATIONAL BUILDING CODE STD. PLAN - I68.00 PUBLIC WORKS EROSION AND SEDIMENT CONTROL PPa °" UR DEPARTMENT �7161Z 9/28/2018 I STANDARD PLAN NOTES NUIPr"wwwaa.�i�.ia DATE Know what's below. Call before you dig. e C TY 0E RENTON Planning/Building/Public Works Dept. It O O O I INr' U i O O N N W, Lm 45 fij DWG R-421503 � IN COMPLIANCE WITH CITY OF RENTON STANDARDS CASTLE DEVELOPMENT TOWNHOMES AS -BUILT TESC DETAILS Z W 5 n O J W DATE: W 09/29/2023 FIELDBOOK: u„1 PAGE: DRAWING NO: 1- U) SHEET: 3 OF: / \