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Home My WebLink AboutR-419512In 0 Lu )ocuSign Env Wpe ID: 6EECF5B6.602A-4E4A-8436-A317AA638878 NOTIES: A PORTION OF THE NORTHEAST 1/4 OF SECTION 9, TOWNSHIP 23 NORTH, RANGE 5 EAST, W.M., KING COUNTY, WASHINGTON STATE DocuSign Envelope ID: 6EECF5B6-602A-4E4A-8436-A317AA638878 SEE NOTE 2.3 3'-s, SEE NOTE 2.2 Ix-w DMU JOINTS IN FILTER FABRIC SHALL BE SPLICED AT POSTS. USE STAPLES, WIRE RINGS, OR EQUIVALENT TO ATTACH FABRIC TO POSTS DocuSign Envelope ID: 6EECF566-602A4E4A-B436-A317AA638878 DocuSign Envelope ID: 6EECF5B6-602A-4E4A-6436-A317AA638878 IS: SEDIMENT, ORGANIC MATTER, CONSTRUCTION ENTRANCE NOTES- BELOW INLET GRATE DEVICE AND NATIVE SEEDS ARE ^� CAPTURED BEHIND THE ROLLS I'" 1 DRIVEWAYS SHALL BE PAVED TO H 2'Id^ 14 GAUGE WIRE, OR 15Jt" THE EDGE OF THE RIGHT-OF-WAY:= EQUIVALENT. IF STANDARD w PRIOR TO INSTALLATION OF THE SEDIMENT AND DEBRIS STRENGTH FABRIC USED CONSTRUCTION ENTRANCE TO Lj STRAW ROYILS MUST BE WOODEN STAKE Z MIN R = 25' MIN. AVOID OF THE PLACED ALONG SLOPE FILTER FABRIC CONTOURS 2. IT IS RECOMMENDED THAT THE FILTERED ENTRANCE BE CRO'AWW SO THAT WATER RUNOFF DRAINS OFF THE PAD IACENT ROLLS SHALL HTLY ABUT LIVE STAKE 1. CONDITIONS OF USE 1.1. INSTALL ON DISTURBED AREAS THAT REQURE RAMEDRTE EROSION PROTECTION. ,2. USE ON SLOPES REQUIRING STABR.12ATION UNTIL PERN"ENT VEGETATION CAN BE ESTABLISHED. 1.3 CAN BE USED ALONG THE PERIMETER OF A PROJECT. AS A CHECK DA161 IN UhLLNED DITCHES AND AROUND TEMPORARY STOCKPILES, 1.4' WATTLES CAN BE STAKED TO THE GROUND USINGY1ILLOW CUTTINGS FOR ADDED REVEGETATIOII. 1.6, RILLING CAN OCCUR BENEATH AND BETWEEN WATTLES IF NOT PROPERLY ENTRENCHED. ALLOIfY1NG WATER TO PASS BELOW AHD BETWEEN ► WATTLES. 2. DESIGN AND INSTALLATION SPECIFICATIONS 2.1, IT IS CRITICAL THAT WATTLES ARE INSTN-LED PERPENDICULAR TO THE FLOW DIRECTION AND PARALLEL TO THE SLOPE CONTOUR. 2.2. NARROW TRENCHES SHOULD BE DUG ACROSS THE SLOPE. ON CONTOUR. TO A CEPTH OF 3 TO 6 INCHES ON CLAY SOILS ANO SOILS WITH GRADUAL SLOPES. ON LOOSE SOILS, STEEP SLOPES, AND DURING HIGH RAINFALL EVENTS. THE TRENCHES SHOULD BE OUG TO A DEPTH OF 5 TO 7 INCHES, OR 1i2 TO 2A OF THE TH+NCKNESS OF THE WATTLE. 2.3, START CONSTRUCTION OF TRENCHES AND INSTALLING WATTLES FROM THE BASE OF THE SLOPE AND WORK UPHILL- EXCAVATED MATERIAL SHOULD BE SPREAD EVENLY ALONG THE UPHILL SLOPE AND COMPACTED USING NANO TAMPING OR OTHER METHOD. CONSTRUCT TRENCHES AT CONTOUR INTERVALS OF 3 TO 30 FEET APART DEPENDING ON THE STEEPNESS OF THE SLOPE, SOIL TYPE. AND RAINFALL. THE STEEPER THE SLOPE THE CLOSER TOGETHER THE TRENCHES SHOULD BE CONSTRUCTED. VERTICAL DISTANCE BETWEEN WATTLES 1S NOT TO EXCEED 10 FEET. 2.e. INSTALL THE WATTLES SNUGLY INTO THE TRENCHES AND ABUT TIGHTLY END TO END. DO NOT OVERLAP THE ENOS 2.6, INSTALL STAKES AT EACH E14D OF THE WATTLE. AND AT 4 FOOT CENTERS ALONG THE ENTIRE LENGTH OF THE WATTLE. 2A IF REODUIRED. INSTALL PLOT HOLES FOR THE STAKES USING A STRAIGHT BAR TO DRIVE HOLES THE WUGH THE WATTLE AND INTO THE SO L. 2.7. AT A MINIMUM, WOODEN STAKES SHOULD BE APPROXIMATELY 31A X 34 X 24 INCHES VALLOW CUTTINGS OR 3+84NCH REBAR CAN ALSO BE USED FOR STAKES. 2.8. STAKES SHOULD BE DRIVEN THROUGH THE MIDDLE OF THE WATTLE, LEAV940 2 TO 3 INCHES OF THE STAKE PROTRUDING ABOVE TI IE WATTLE. 3, MAINTENANCE STANDARDS 3.1. INSPECT WATTLES PRIOR TO FORECASTED RAIN. DALY DURING EXTENDED RAIN EVENTS. AFTER RAIN EVENTS. WEEKLY DURING THE WET SEASON, AND AT TWO WEEK INTERVALS AT ALL OTHER TIMES OF THE YEAR, 3.2. REPAIR OR REPLACE SPLIT, TORN. RAVELING. OR SLUMPING WATTLES 3.3. REMOVE SEDIMENT ACCUMULATIONS WHEN EXCEEDING 112 THE HEIGHT BETWEEN THE TOP OF THE WATTLE AND THE GROUND SURFACE. IIMUESSOTHCFCMSL NOTEO, (rRAWIrIG IS NOT TO SCALE (NTS) STD. PLAN - 213.40 • PUBLIC WORKS AI•rf ` a DEPARTMENT STRAW WATTLES GAZ 9/28/2018 1 DATE AS REQUIRED )ocuSign Envelope U. 6EECF5B6.602A-4E4A-8436-A317AA638878 2 2 MAX. LEVEL BOTTOM I MAX. 1 I 12•MIN. f ,� 2' MIN. -� SWALE SPACING DEPENDS ON SLOPE GRACENT NOTES: 1. CONDITONS OF USE I.I. REQUIREDAT: 1.1.1. THE TOP OF ALL SLOPES IN EXCESS OF 3HA V AND PATH MORE THAN 20 FEET OF VERTICAL RELIEF. AT INTERVALS ON A14Y SLOPES THAT EXCEEDS THE DIMENSIONS SPECIFIED BELOII! AVERAGE SLOPE SLOPE PERCENT FLOW PATH LENGTH 20H:iV(ORLESS) 3-5% 300FEET (10 TO 20": IV 5.10% 200 FEET (*To 10)K IV 10-26% 100 FEET (2 70 4*L I V 26-50% 50 FEET 2. DESIGN AND INSTALLATION SPECIFICATIONS 2.1. FOR SLOPES STEEPER THAN 2H:1 V WITH MORE THAN 10 FEET OF VERTICAL RELIEF, BENCHES MAYBE CONSTRUCTED OR CLOSER SPACED INTERCEPTOR SWALES MAYBE USED. THE DESIRED MEASURE MAST BE DESIGNED BY AN ENGINEER TO EFFECTIVELY INTERCEPT THE HIGH VELOCITY RUNOFF TO A SEOVIINENT POND OR TRAP. 22. CONSTRUCTION TRAFFIC OVER TEMPORARY SWALES SHALL BE M1NIMiZED 3. MAINTENANCE STANDARDS 3.1, DAMAGE RESULTING FROM RUNOFF OR CONSTRUCTION ACTIVITY SHALL BE REPAIREDIMMEDIATELY. 3.2, IF THE FACILITIES DO NOT REGULARLY RETAIN STORM RUNOFF, THE CAPACITY ANDOR FREQUENCY OF THE SWALES SHALL BE INCREASED. u%L(%0THERMSL NOT 10. C►eAwInG IS NOT TO SCALE (NITS) STD. PLAN - 217.10 • PUBLIC WORKS INTERCEPTOR SWALE 9/28/2018 1 DEPARTMENT GAZ PW c n t� .yn. �•,: �• DATE AS REQUIRED _ I - - V MAX' I I I 1T' AStN. POST SPACING MAY BE J INCREASED 4•w1' MIN. TRENCH TO 8 IF MIRE BACKING IS USED I I I SACKFILL TRENCH WITH NATIVE SOIL OR 3<4' TO 1-U2' WASHED GRAVEL 2'x4' WOOO POSTS. STEEL FENCE POSTS. OR EQUIVALENT (TYP.) NOTES: 1. CONDITIONS OF USE I.I. SILT FENCE MAY BE USED DOWNSLOPE OF ALL DISTURBED AREAS, 1.2. SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOW& 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. THE GEOTEXTR.E USED MUST MEET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURERS FABRIC SPECIFICATIONS MUST BE AVAILABLE ON SITE. AOS (ASTM 04761) 30.100 SIEVE SIZE (0.60-0.15mm) FOR SILT FILM 50.100 SIEVE SIZE (0.30-0,15mm) FOR OTHER FABRICS WATER PERMITTIVITY (ASTM 04491) 0.02 SEC' M KUAUM GRAB TENSILE STRENGTH (ASTM 04632) 100 LBS. MIN. FOR EXTRA STRENGTH FABRIC 100 LBS. MIN. FOR STANDARD STRENGTH FABRIC GRAB TENSILE ELONGATION (ASTM D4632) 30% MAX. (WOVEN) ULTRAVIOLET RESISTANCE (ASTM D4355) 709E MIN, Ell] 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 STRONGER FENCE. 2.3. WHERE THE FENCE IS INSTALLED, THE SLOPE SHALL NOT BE STEEPER THAN 2H:IV 2.4. IF A TYPICAL SILT FENCE IS USED, THE STANDARD 4'X4' TRENCH MAY BE REDUCED AS LONG AS THE BOTTOM 8 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 SEDINEN Y TRAP OR POND. 3.3. IT 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 CHAINNELIZATKMI OF FLOWS PARALLEL TO THE FENCE. IF THIS OCCURS. REPLACE THE FENCE OR REMOVE THE TRAPPED SEDIMENT. 3.4. SEDIMENT MUST BE REMOVED WHEN SEDIMENT IS 6 INCHES HIGH 3.5. IF THE FILTER FABRIC (GEOTEXTILE) HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN, IT SHALL BE REPLACED. UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NIS) STD. PLAN - 214.00 • PUBLIC WORKS DEPARTMENT SILT FENCE GAZ 9/28/2018 I r �A+c �ru.: ws. n.rrac DATE AS REQUIRED DocuSign Envelope ID: 6EEC F5B6-602A-4E4A-B436-A317AA638878 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 THE 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 SPECIFIC 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 CITY, 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 STORNiWATER GENERAL PERMIT. 3. 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) PR10R 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 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. S. WASHOUT FROM CONCRETE TRUCKS SHALL BE PERFORMED OFF -SITE 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 AND/OR 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 PASSED. 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. B. ANY HAZARDOUS MATERIALS OR LIQUID 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 BMPS 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 QUALITY 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 APPROVED ESC COVER METHODS (E.G.. SEEDING, MULCHING, PLASTIC COVERING, ETC.) IN CONFORMANCE WITH APPENDIX D OF THE RENTON SWDM. 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 (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 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 V3 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 SNIPS 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 1 ST). 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 SITE SHALL BE STABILIZED TO PREVENT SEDIMENT -LADEN WATER FROM LEAVING THE PROJECT SITE, ALL ESC EMPS SHALL BE REMOVED, AND STORMWATER CONVEYANCE SYSTEMS, FACILITIES, AND ON -SITE BMPS SHALL BE RESTORED TO THEIR FULLY FUNCTIONING CONDITION- ALL DISTURBED AREAS OF THE PROJECT SIT E 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. EROSION AND SEDIMENT CONTROL STANDARD PLAN NOTES UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS) STD. PLAN - 268.00 PPR D: GAZ 9/28/2018 1 :45 AA v,.��:e +corks ndm:mevawr DATE INSTALL DRIVEWAY CULVERT tF THERE IS A ROADSIDE DITCH PRESENT. AS PER CITY ROAD STANDARDS r4r QUARRY SPALLS GEOTEXTILE 12' MN. THICKNESS 100 MIN, 15' AIIN. PROVIDE FULL WIDTH OF INGRESSrEGRESS AREA NOTES: 1. CONDITION OF USE IA. CONSTRUCTION ENTRANCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUCTION SITE AND TRAVELING ON PAVED ROADS OR OTHER PAVED AREAS WITHIN 1.ODD FEET OF THE SITE 1.2. FOR RESIDENTIAL CONSTRUCTION PROVIDE STABILIZED CONSTRUCTION ENTRANCES FOR EACH RESIDENCE IN ADDITION TO THE MAIN SUBDIVISION ENTRANCE STABILIZED SURFACES SHALL BE OF SUFFICIENT LENGTHNADTH TO PROVIDE VEHICLE ACCESWARKING. BASED ON LOT SIZEsr4WIGURATKNI 2. DESIGN AND INSTALLATION SPECIFICATIONS 21. A SEPARATION GEOTEXTILE SHALL BE PLACED UNDER THE SPALLS TO PREVENT FINE SEDIMENT FROM PUMPING UP INTO THE ROCK PAID. THE GEOTEXTILE SHALL MEET THE FOLLOWING STANDARDS: GRAB TENSILE STRENGTH (ASTM 04632) 200 LBS. MIN. GRAS TENSILE ELONGATION (ASTM D4632) 30% MAX. (WOVEN) CBR PUNCTURE STRENGTH (ASTM D6241) 496 LBS. MIN AOS (ASTM 04751) 2045 (U.S. STANDARD SIEVE SIZE) 22 DO NOT USE CRUSHED CONCRETE. CEMENT. OR CALCIUM CHLORIDE FOR CONSTRUCTION ENTRANCE STABILIZATION BECAUSE THESE PRODUCTS RAISE pH LEVELS IN STORMWATER AND CONCRETE DISCHARGE TO SURFACE WATERS OF THE STATE IS PROHIBITED 23. HOG FUEL (WOOD BASED MULCH) MAY BE SUBSTITUTED FOR OR COMBINED 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. 24 FENCING SHALL BE INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE 25. 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. UAINTENANCE 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 PAVEMENT. THEN ALTERNATIVE MEASURES TO KEEP THE STREETS FREE OF SEDIMENT SHALL BE USED. THIS MAY INCLUDE STREET SWEEPING. AN INCREASE N THE DIMENSIONS OF THE ENTRANCE. OR THE INSTALLATION OF A WHEEL WASH E 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 PUSUC SAFETY. IF IT IS NECESSARY TO MASH THE STREETS, A SMALL SUMP MUST BE CONSTRUCTED. THE SEDIMENT WOULD THEN BE WASHED 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 ENO UP ON THE ROADWAY SHALL BE REMOVED IMMEDIATELY. 3.5. IF VEHICLES ARE ENTERING OR EXITING THE SITES AT POINTS OTHER THAN THE CONSTRUCTION ENTRANCE(SA FENCING SHALL BE INSTALLED TO CONTROL TRAFFIC. UNLESS OTPfRWISF 1<)TFP, DRAWI%K, IS NOT TO SCALE INT. STD. PLAN - 215.10 • PUBLIC WORKS PP80aft 1 DEPARTMENT STABILIZED CONSTRUCTION ENTRANCE GAZ 9/28/2018 I DATE 2"D x STEEL AT 4' EXISTIN GRADE PSI IAI\I I I\II/ r-AI lor-ll % VVIVVI\LIE BASE (WP) MAINTENANCE STANDARDS NOTES: 1. IF THE FENCE HAS BEEN DAMAGED OR VISIBILITY REDUCED, IT SHALL BE REPAIRED OR REPLACED IMMEDIATELY AND VISIBILITY RESTORED. 2. DISTURBANCE OF A SENSITIVE AREA, SENSITIVE AREA BUFFER, NATIVE GROWTH RETENTION AREA, OR OTHER AREA REQUIRED TO BE LEFT UNDISTURBED SHALL BE REPORTED TO THE COUNTY FOR RESOLUTION. TEMPORARY CONSTRUCTION (" 1� TREE PROTECTION FENCE 1 /2" = 1'-0" ON FULL SIZE (30"x42") 0 6" 12' 24" DRAINAGE GRATE (RECTAN( 81 NOTES: SECTION VIEW ISOMETRIC VIEW 1. PROTECTION SHALL BE PROVIDED FOR ALL. STORM DRAIN INLETS DOWNSLOPE AND WITHIN 500 FEET OF A DISTURBED OR CONSTRUCT ION AREA, UNLESS THE RUNOFF THAT ENTERS THE CATCH BASIN WILL BE CONVEYED 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 (SIGD) FOR THE STORMWATER STRUCTURE IT WILL SERVICE.: 5. THE BIGD SHALT. HAVE A BUILT-IN HIGH -FLOW RELIEF SYSTEM (OVERFLOW BYPASS). 6. THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE SIGD WITHOUT SPILLING THE COLLECTED MATERIAL. 7. PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION 9-01.3(15). 8. ANY SEDIMENT IN THE CATCH BASIN INSERT SHALL BE REMOVED WHEN THE SEDIMENT HAS FILLED ONE-THIRD OF THE AVAILABLE STORAGE. THE FILTER MEDIA FOR THE INSERT SHALL BE CLEANED OR REPLACED AT LEAST MONTHLY. UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS) STD. PLAN - 216.30 PUBLIC WORKS APPR ED: DEPARTMENT CATCH BASIN INSERT GAZ 9/28/2018 I :4 P oobc worA, A9minuva m r DATE ram\ C C ^E `/ f mrn wo W W (D a) w C] � N 1 r C N 1^ p o ILLL m o ¢`c 2 W U�� 3 b 2 V N C Z O.'C r T T V JF F�--1 r i1 U @ m N'N a c us a J n w N N 3 L() \ o U O (a O LLI Q Z Y 2 a LLI Q 0 0 C) Q 0 �11111 nsoi3 SLn�E: NOTED CADD filename: R:\DRAKINGS\17501 - RENTON KIWANIS PARK IMPROVEMENTS\13 - CONST. SET\17501-D2.1.DWG # Plotted. 4.14.22-09:57 By.(rvissia) CONSTRUCTION SET Copyright©2022 - Bruce Dees & Associates (AIL Rights Reserved) BID #: D2ml R-419512 Sheet 12 of 40 nsoi3 SLn�E: NOTED CADD filename: R:\DRAKINGS\17501 - RENTON KIWANIS PARK IMPROVEMENTS\13 - CONST. SET\17501-D2.1.DWG # Plotted. 4.14.22-09:57 By.(rvissia) CONSTRUCTION SET Copyright©2022 - Bruce Dees & Associates (AIL Rights Reserved) BID #: D2ml R-419512 Sheet 12 of 40