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HomeMy WebLinkAboutR-412803a GO ,il I I II9 IE 12'CON95,13 rs N D- G: APPROX. LOCATION OF r IE 1YCgJC.:94.66 / / _ I I z -_ CATEGORYIVOPERAND A I IE 12"CONG:94.85 PARCEL(/ 3023059031 I I / PER CRITICAL AREAS REPORT O -il I THE NORTH UNE OF THE SOUTH 1/2 OF THE \� SEWALL WETLAND CONSULTING 0 A 1E 12'ADS: 94,45 souON 1/2 OF THE NE 1/4 OF NE SE 1/4 / JOB# 1fi-190 O I SEE. 30-2Y05 PARCELS 3023059022 \ EX. BONN RIM:18).38 D Igl `3 SSMH 668-1 RIM: 99.83 /\ \ IE 12SDS S:1JL33 0 10 20 40 IE 18"AD5:94.48 0 Y1 IE 8"PVC N: 92.23 12"CONC 30' SEWER EASEMENT 15' UTILITY EASEMENT / 50' PARCEL# 30230590J1 \ IE tYADS W: D1 3 II '" IE 8"PVC E: 92,23 IE=121 6] W SEWER EASEMENT RED. NO. 9612191465 REC, N0. 9612200370 I /I WETLAND \ O I IE 8"PVC 5 92.03 REC. N0. 9612191465 30' ROADWAY EASEMENT I BUFFER I Ex. SSMH 668 2 RIM 12 .13 Ex CB RIM 143.19 ` _ \ ' SCALE 1 = 40' I 1 " IE 18"ADS E 139]9 REC. 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A Ir,/ 1 u+aFr rxo>Ec I 8'• D (� / I REFERc7goA T I NATOE dYiOW/N nt�¢s,� (`4�j'y I / I I REg11RE0 FORS -r -WATER O a l / oo,f9T 2F I / / 4. ( 11 \ F°'Quub Lwx�rgs l RE1ErnTutl AREA# sw¢L N 6.. I {'� Y 20' 124" rc� dx-DE-SA O / 0'AL R ibF / dry' 14 MAPLE / / /�]i I 24" 1 I A \ RSA \ TESC LEGEND \) 1.. I / / 2a I \ \ a 1 1 I_,-]\�,` \\ \ 2a B \ It� ( OWE __���LL���� cLFaRINC1 1 •' \ \ 07 LIMITS '- I I 1 I 24 \ \ s BUFF _� �\\ \ \ FENCE x sILT FENCE 10"PINE\ 30- \ \ \ V A\ \� \) {+� �� �8 \�FFERV /I / " �J TREE PROTECTION FENCING w FOUND SEEM AND(CAP 2d(' I \I \ 12953? �lY 10 �'- ro EE \ / / \ _ ® INLET PROTECTION z I LS#z�s3] I I I \\ I \(TIP) I 1 \ I •�-- \, Q 0.3j N I 1 �AAV ( I A\ 1 \V A14 \ V PARCEL# 3023059021 SEE TREE RE DIMMED ( ) _ - - - ® CONSTRUCTION ENTRANCE -I I o.5�'E i 'i \ \ \ \ \ PRDTEc ON ` APPROX. LOCATION OF w \ \ \\ OETAa BELOW OFFSITE WETLAND B, I rvGRA BOUNDARY CATEGORY III - \ LLl ' \ = EROSION CONTROL GENERAL NOTES U SEDIMENT TANK CALCULATIONS: DEVELOPED 2-YEAR FLOW=01033 CBS SA-2080 x 0 = 2080 x 0.1033 = 215 SF V=SA x 3.5 FT OPEN =215 x 3.5=752 Cr V=752 OF = 5625 GAL EROSION PROTECTION NOTE: 1, BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRECONSTRUCTION MEETING SHALL 15 ME ESC BMPS ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED AT A MINIMUM OF ONCE BE HELD AMONG THE CITY OF RENTON. HEREBY REFERRED TO AS THE CITY, THE APPLICANT AND ME A MONTH OR 1NIHIN 24 HOURS FOLLOWING A STORM EWAT INSPECTION AND MAINTENANCE SHALL O ALL EXPOSED SOIL AND/R DISTURBED SURFACES TO BE COVERED N1M MULCH, STRAW, AND/R PLASTIC SHEETING PER APPLICANT'S CONTRACTOR. OCCUR MORE FREQUENTLY AS REWIRED BY THE CITY. BIG. C3.4.A AND/OR TABLE C32A KCSWDM. UNDER NO CIRCUMSTANCES SHALL SGL STOCKPILES BE LEFT UNCOVERED. 2. ME APPLICANT IS RESPONSIBLE FOR OBTAINING THE WASHINGTON STATE DEPARTMENT OF ECOLOGY ( 16. BEFORE COMMENCEMENT OF ANY CONSTRUCTION ACTIVITY, CATCH BASIN INSERTS PER THE CITY Q CONSTRUCTION SEQUENCE ECOLOGY) CONSTRUCTION STORMWATER GENERAL PERMIT, IF IT 15 REWIRED FOR ME PROJECT. THE STANDARD PLAN 216.30 SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS DOWNSLOPE AND APPLICANT SHALL PROVIDE ME CITY COPIES OF ALL MONITORING REPORTS PROVIDED TO ECOLOGY INNIN 500 FEET BE A DISTURBED OR CONSTRUCTION AREA, UNLESS ME RUNOFF MAT ENTERS 1. PRE -CONSTRUCTION MEETING. ASSOCIATED WIN ME CONSTRUCTION SMRMWATER GENERAL PERMIT. ME INLET (MIT BE CONVENE) TO A SEDIMENT POND OR TRAP. ALL CATCH BASIN INSERTS SHALL BE PERIODICALLY INSPECTED AND REPLACED AS NECESSARY TO ENSURE FULLY FUNCRONING 2. POST NOTICE OF CONSTRUCTION ACTIVITY SIGN WITH NAME AND PHONE NUMBER OF ESC SRERNSOR. 3. ME ESC PLAN SET SHALL INCLUDE AN ESC CONSTRUCTION SEQUENCE DETAILING ME ORDERED STEPS CONDITION. MAT SHALL BE FOLLOREO FROM CONSTRUCTION COMMENCEMENT TO POSTPROJECT CLEANUP IN ORDER J. FLAG OR FENCE CLEARING OMITS. TO FULFILL PROJECT ESC REQUIREMENTS. 1J AT NO TIME SHALL SEDIMENT ACCUMULATION EXCEED T 3 NE CAPACITY OF NE CATCH BASIN OF ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. ME CL 4. INSTALL CATCH BASIN PROTECTION IF REWIRED. 4, ME BOUNDARIES OF ME CLEARING OMITS, SENSITIVE AREAS AND THEIR BUFFERS, AND AREAS OF CLEANING LIBERATION SHALL NOT FLUSH SEDIMENRADEN WATER INTO THE DOWNSTREAM SYSTEM. VEGETATION PRESERVATION AND TREE RETENTION AS PRESCRIBED ON ME PLAN( 5) SHALL BE 5, GRADE AND INSTALL CONSTRUCTION ENTRANCE(S.. CLEARLY DELINEATED BY FENCING AND PROTECTED IN THE FIELD IN ACCORDANCE WITH APPENDIX D OF 18 ANY PERMANENT STORMWAIER FACILITY LOCATION USED AS A TEMPORARY SETTLING BASIN SHALL PERMANENT NT AS ATE TEMPORARY ME GUY R RENTON SURFACE WATER RESIGN MANUAL ( RENTON SWDM) PRIOR i0 ME START OF THE NECESSARY ESC BMPS AND SED BE E STORAGE CAPACITY PA RAN 6. INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER. ETC). CONSTRUCTION, DURING ME CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND ME CLEARING LIMITS INFILTRATION ATE SYSTEM IN I S TO ULTIMATELYIN IF NE TEMPORARY FACILITY IS TO ULTIMATELY FUNCTION IO SHALL BE PERMITTED ME CLEARING LIMITS SHALL BE MAINTAINED BY THE APPLICANT/ ESC In HA ROUGH GRADER SO NAT THE TOM PERMANENT STATE, ME TEMPORARY SHALL STATE J CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE SLOPE DRAINS, ETC.) 4MULTANEWSLY WITH SUPERVISOR FOR THE DURATION OF CONSTRUCTION. AND SIDES ARE LEAST THREE FEET ABOVE FINAL RAGE OF THE PERMANENT FACILITY CLEARING AND GRADING FOR PROJECT DEVELOPMENT 19. AREAS DESIGNATED ON ME PLAN( S) CONTAINING EXISTING STRMWATER FACILITIES ORONSIIE 5. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION BMPS AMENDED SUES, BIORETENTIR, PERMEABLE PAVEMENT, ETC SHALL BE CLEARLY FENCED 8 MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH CITY OF RENTON EROSION AND SEDIMENT CONTROL AND MAINTAINED FAR ME DURATION OF THE PROJECT ADDITIONAL MEASURES, SUCH AS CONSTRUCTED AND PROTECTED USING ESC BMPS TO AVOID SEDIMENTATION AND COMPACTION DURING STANDARDS WHEEL WASH SYSTEMS OR WASH PADS, MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE CLEAN AND TRAGIOUT TO ROAD RIGHT OF WAY DOES NOT OCCUR FOR THE DURATION OF ME CONSTRUCTION, 9. RELOCATE SURFACE WATER CONTROLS AND EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO MAT AS PROJECT IF SEDIMENT IS TRACKED OFF51E PUBLIC ROADS SHALL BE CLEANED THOROUGHLY AT ME 20 PRIOR TO ME BEGINNING R ME N£i SEASON OCTOBER IS i ALL DISTURBED AREAS SHALL BE SHE CONDITIONS CHANGE 50 NAT ME EROSION AND SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE WITH ME CITY ENO OF EACH DAY, OR MORE FREQUENTLY DURING WET WEARIER, AS NECESSARY TO PREVENT ( )l Figure 1. TREE PROTECTION FENCE DETAIL. DRIPLINE METHOD OF RENTON EROSION AND SEDIMENT CONTROL STANDARDS SEDIMENT FROM ENTERING WATERS OF ME STATE INSPECTED TO IDENTIFY WHICH ONES SHALL BE SODDED R SEEDED IN PREPARATION FOR ME MI RAINS. DISTURBED AREAS SHALL BE DROVE OR SEEDED WITHIN RE WEEK OF ME 10 COVER ALL AREAS THAT WILL BE UNWRKED FOR MAKE NAN SEVEN DAYS DURING ME DRY SEASON R TWO DAY 6. WASHOUT FROM CONCRETE TRUCKS SHALL BE PERFORMED OFFSTE R IN DESIGNATED CONCRETE BEGINNING OF ME WET SEASON AN EXHIBIT OF NOSE AREAS TO BE SODDED OR SEEDED AND A. CONSTRUCTION STORAGE PRWIBIRLD ME APPLICANT MAY NOT FILL, EXCAVATE, STACK R DURING NET SEASON MN STRAW, WOOD FIBER MULCH, COMPOST PLASTIC SHEETING R EQUIVALENT WASHOUT AREAS ONLY DO NOT WASH OUT CONCRETE (RUCKS ONTO ME GROUND, OR TO STORM NOSE AREAS TO REMAIN UNCOVERED SHALL BE SUBMITTED TO THE CITY FOR RENEW. STORE ANY EQUIPMENT, INSTALL IMPERVIOUS SURFACES R COMPACT ME EARN IN ANY DRAINS OR OPEN DITCHES ONSITE DUMPING OF EXCESS CONCRETE SHALL ONLY OCCUR IN DESIGNATED WAY WITHIN NE AREA DEFIER BY ME DRIP LINE R ANY TREE TO BE RETAINED. 17. STABILIZE ALL AREAS NAT REACH FINAL GRADE WITHIN Z DAYS CONCRETEWASHOUT AREAS 21. PRIOR TO FINAL CONSTRUCTION ACCEPTANCE, ME PROJECT SITE SHALL BE STABILIZED TO B FENCED PROTECTION AREA REWIRED: PRIOR TO DEVELOPMENT ACTIVITIES, ME APPLICANT PREVENT SEDIMENRADEN WATER FROM LEAVING ME PROJECT SMALL ESC BMPS SHALL BE SHALL ERECT AND MAINTAIN SIX-FOOT 6' HIGH CHAIN LINK TEMPORARY CONSTRUCTION 12 SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE NAN 30 DAYS. UPON COMPLETION OF ME PROJECT, Z ALL REWIRED ESC BMPS SHALL BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING REMOVED, AND STRMWATER CONVEYANCE SYSTEMS, FACILITIES, AND ONSTE BMPS SHALL BE ALL DISTURBED AREAS MUST BE STABILIZED AND BEST MANAGEMENT PRACTICES REMOVED IF APPROPRIATE AND R CONSTRUCTION TO PREVENT TRANSPO ION OFSEDIMENT TO SURFACE WATER, DRAINAGE RESTORED TO THEIR FULLYFUNCRONING CONDITION. ALL DISTURBED AREAS R ME PROJECT SITE FENCING AROUND O DRIP LINES OF ALL RETAINED OGEES R AT A DISTANCE SURROUNDING SYSTEMS AND ADJACENT PROPERTIES. ALL ESC BMPS SHALL BE MAINTAINED IN A SATISFACTORY SHALL BE VEGETATED R OMERMSE PERMANENTLY STABILIZED. AT A MINIMUM, DISTURBED AREAS NE TREE EQUAL HI ONE AND ONE DER, OR FEET Q-I/4') FOR EVERY RE INCH (I") OF SHALL BE SODDED R SEEDED AND MULCHED TO ENSURE MAT SU710ENT COVER WILL DEVELOP TRUNK CALIPER, WHICHEVER IS REAMER, FE ALONG THE PERIMETER OR A INDI PROTECTION 13 UPON COMPLETION OF ME PROJECT ALL DISTURBED AREAS MUST BE STABILIZED AND BMPS REMOVED, IF CONDITION UNTIL ION RUE NAT CLEARING AND/ SH SHALL BERE CONSTRUCTION IS COMPLETE AND POTENTIAL SHORTLY AFTER FINAL APPROVAL MULCH WITHOUT SEEDING IS ADEQUATE FOR AREAS TO BE TRACT PLACARDS SHALL BE PLACED ON FENCING EVERY FIFTY FEET (50') INDICATING ME APPROPRIATE. FOR ORUCTI EROSION HAS PASSED. ALL ESC BMPS SHALL BE REMOVED AFTERENSURE LANDSCAPED BEFORE OCTOBER IST MAN 'NO FEET LED), SHEPROTECTED ACCESS TREES', R LL EACH SIDE R ME OR FENCING IF LESS CONSTRUCTION IS T EXIST AND EE SIZE HAS BEEN STABILIZED TO ENSURE NHAND M FAIR ONSII£ EROSION DOES NOT EXIST. ME IMPLEMENTATION, MAINTENANCE, REPLACEMENT, ENHANCEMENT, AND NAN FIFTY FEET FUND SHE ACCESS TO INDIVIDUALLY S SHALL TREES R GROUPS (4 AROBORIST NOTE: REMOVAL R ESC BMPS SHALL BE ME RESPONSIBILITY R ME APPLICANT. 22 ROCKERIES ARE CONSIDERED A METHOD OF BANK STABILIZATION AND EROSION IES IN CI BEES SHALL BE FENCED AND SIGNED. INDIVIDUAL BEES SHALL BE FENCED EQ FOUR T O ROCKERIES SHALL NOT L CONSTRUCTED ECONSTRUCTED SERVE OR RETAINING WALLS ALL RNKERIES IN CITY SIDES. IN ADDITION NE APPLICANT SHALL PRONOE SUPERVISION WHENEKR EQUIPMENT R CONST U TO BE ON -SE TO SUPERVISE ALL B. ANY HAZARDOUS MATERIALS ER LIQUID PRODUCTS NAT HAK ME POl£NTIAL TO PIXLUIE RUNOFF ROAD E OF ROD SHALL BEYSHALLBIN ACCORDANCE WIN CITY STANDARDS. ROOKERIES )RUCKS ARE MOVING NEAR BEES CONSTRUCTION OF ACIDITIES BENEATH ME SHALL BE DISPOSED OF PROPERLY OUTSIDE ROAD BUILDING CODE. SHALL BE CONSTRUCTED IN ACCORDANCE N1M ME G RETAINED I FROM RAISE CHANGES: LI NE RAGE LEVEL ADJOINING TO A TREE TO BE RIPLINES OF RETAINED )REFS IN1£RNATIONAL BUILDING OWE. RETAINED IS TO BE RAISED, DI APPLICANT STALL WALL OR A DRY ROC(( WALL R ROCK 9. ME ESC BMPS DEPICTED ON THIS DRONING ARE INTENDED TO BE MINIMUM REQUIREMENTS BE SE ro MEET WELL AROUND NE TREE NE DIAMETER R THIS WALL R WELL MUST BE EQUAL TO NE ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED R SEASONAL REE'S DRIP LINE TOENSRE DICTATE, MIL APPLICANT SHALL ANTE PRO NAT MORE ESC BMPS WILL BE NECESSARY D. IMPERWOUS SURFACES PROHIBITED WNIN NE GRIP LINE: NE APPLICANT MAY NOT INSTALL TO ENSURE COMPLETE SHALL RATION CONTROL R NE PROPOSED SITE DURING NE COURSE D IMPERVIOUS SURFACE MATERIAL WHIN NE AREA DEFINED BY NE RIP LINE R ANY TREE ANY NEW DON IT SHALL BE MAY OBLIGATION AND RESPONSIBILITY R TO APPLICANT TO ADDRESS TO E BE RETAINED UNLESS MMIN SE APPROVED BY NE CNN. ANY NEW CONDITIONS NAT MAY BE REAMED BY NE ACTIVITIES AND TO PROVIDE ADDITIONAL ESC E. AROUND TR TRADING WHIN NE DRIP LINES R RETAINED N ME NE RARE LEVEL BMPS, OVER AND ABOVE MINIMUM REQUIREMENTS.MEREAAS MAY BE NEEDED TO PROTECT ADJACENT AROUND ANY TREE TO BE RETAINED MAY NOT BE LOWERED WHIN NE REALER R NE PROPERTIES AND WATER QUALITY OF ME RECEIVING DRAINAGE SYSTEM. FOLLOWING AREAS: I) NE AREA DEFINED BY NE DRIP LINE OF ME TREE, OR2) AN AREA AROUND AROUND ME TREE EQUAL LI RE AND ONE HALF FEET PROTECTION ") IN BASE O M EACH 10. APPROVAL E THIS PLAN IS FOR ESC ONLY IT DOES NOT ORS, CHANNELS, EL APPROVAL OF STORM RE INCH (1") R TREE CALIPER. A LARGER TREE PROTECTION ZONE BASED ON TREE SIZE, DRAINAGE DESIGN, SIZE NOR COCATIR R PIPES RESNICTRS CHANNELS, R STRMWA)ER p / p z SPECIES, SOIL R OTHER CONDITIONS MAY BE REWIRED FACILITIES. 1 \ - [Y 12UOJ F. MULCH LAYER REWIRED: ALL AREAS WITHINREWIRED FENCING SHALL BE COVERED COMPLETELY AND EVENLY WHIN A MINIMUMUM OF R THREE INCHES (3") OF BARK MULCH PRIOR N. ANY SUBMITTED TO SYSTEM NECESSARY AND NE CONSTRUCTION OF STORMWA)ER FAGLITIES SHALL BE LLJ z TO MULCH WILL R ME AFFECTPROUECDW PROTECTEDFENCING. EXCEPTIONS MAY BE APPROVED IF NE SIIBMITI£D TO NE CITY FOR RENEW AND APPROVAL N COMPLIANCE WITH CITY OF RENTON STANDARDS z MULCH WLL ADVERSELY AFFECT CONSTRUCTION ROUND COVER PLANTS. 12. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, MAT WILL NOT BE DISTURBED G MONITORING REWIRED DURING CONSTRUCTION: NE APPLICANT SHALL RETAIN A CERTIFIED Q ARBRIST R LICENSED LANDSCAPE ARCHITECT TO ENSURE REFS ARE PROTECTED FROM FOR TWO DAYS DURING NE WE SEASON (NTRR 1ST NRWR APRIL E IMMEDIATELY DI SEVEN DAYS , O J APPROPRIATE FOR ANY AND AN TO PRUNE DOBRANCHESMOOR ROUTS FERTILIZE AND WATER AS DURING A DRY SEASON (MAY LOT THROUGH SEPTEMBER JOIN)MULCHING, STALL BE IC WASHING, STABILIZED O DEVELOPMENT ENGINEERING APPROPRIATE FOR ANY REFS AND ROUND COVER MAT ARE TO BE RETAINED. WIN NE APPROVED ESC COVER METHODS ( E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.) IN jjl$I O O�14IZOZO LEI H ALIERNAFW PROVIDE EQUALR REAER` MEEATIVE SAFEGUARDS MAY BE USED IF PROTEC ON WIN APPROVAL FROM MENCURRENTRMINED TO CONFORMANCE W9N APPENDIX D R NE RENTON SWDM, PP PLANNING PROJECT MANAGER. 13. WET SEASON ESC REQUIREMENTS APPLY TO ALL CONSTRUCTION SIRES BETWEEN OCTOBER 1ST AND L, w �A\ APRIL 30M. UNLESS OTHERWISE APPROVED BY ME CITY. KROW What's below. Encompass, I �D A� 14. ANY AREA NEEDING EVEN AI ESC MEASURES, NOT REQUIRING IMMEDIATE A N➢R, SHALL BE D /V ADDRESSED WITHIN SEVEN ) DAYS CBI( before you dig. Qy aF WA3scuo ENGINEERING & SURVEYING `z'rw SUM -• aa�CYL RODI�naOI �0910212020 T_40 CITY OF Western Washington Division 5 "@ BB -A\ T CHERIE LANE °°®4"'NIA 165 NE Juniper Street, Suite 201 •Issaquah, WA 98027 •Phone: (425) 392-0250 •Fax. RENTON NIA (425) 3ington C '� DRAINING NO s9sr4 T� pATUM Eastern Washington Division �@6TyF6Sv 'v 1. REVISED PER CITY COMMENTS EDM 09102120 HEM xm EON IAT Panning/Building/Public Works Dept. TESL, DEMOLITION AND TREE PROTECTION PLAN 20521 407 Swiftwater Blvd. • She Elum, WA 98922 • Phone: (509) 674-7433 • Fax: tONAL CIF' �.cIF NET ONE IN (509) 674-7419 09/02/2020 NO. REVISION BY DATE APPR THEM v WEER3 Of, 13