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Home My WebLink AboutR-431507LO TMM (') I 0 I W EROSION / SEDIMENTATION CONTROL NOTES OccuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878 EROSION AND SEDIMENT CONTROL iESCI 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 CR OWNER, HERBY REFERRED TO AS APPLICANT, MAY STRIKE OUT IRRELEVANT NOTES IF NOT APPLICABLE TO THE PROJECT. HOWEVER, THE APPLICANT SHALL NOT RENUMBER NUR EDIT THE REMAINING NOTES. IF ADDITIONAL NOTES ARE NEEDED FOR SPECIFIC ASPECTS, THEY SHALL BE ADDED AFTER THE ESC STANDARD PLAN NOTES. 1. BEFORE A#Y CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE•CONSTRUCTION MEETING SHALL BE HELD AMONG THE CITY OF RENTON. HEREBY REFERRED TO AS THE CITY, T.HE APPLICANT, AND THE APPLICANT'S CONTRACTOR. 2- THE APPLICANT IS RESPONSIBLE FOR OBTAINING THE WASH INGTON STATE DEPARTMENT OF ECOLOGY (ECOLOGY) CONSTRUCTION STORMWATER GENERAL PERMIT, IF LT 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- 3. THE ESC FLAN SET SHALL INCLUDE AN ESC CON57RUC71ON SEQUENCE DETAiLI NG THE ORDERED STEPS THAT SHALL BE FOLLOWED FROM CONSTRUCTION COMMENCEMENT TC POST -PROJECT CLEANUP CN ORDER TO FULFILL PROUECT ESC REQUIREMENTS. 4. THE BOUNDARIES OF THE CLEARING LIMITS, SENSITIVE AREAS AND THEIR BUFFERS, AND AREAS DF VEGETATION PRESERVATION AND TREE RETENTION AS PRESCRIBED ON THE PLANLE S) SHALL BE CARLY 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 CON MuCTION. OWRimG THE CONSTRUCTION PERIOD_ NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL RE MAINTAINED BY THE APPLICANTIE9C SUPERVISOR FOR THE DURATION OF CON$TRWTIQN. 5. STAgILIZEP CQN$TRUCTIQN ENTRANCES SHALL BE INSTALLED AT THE 9EGINNING OF CONSTRUCTION ANp MAINTArNED FOR THE DURRTIQN 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 PROOECT. 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 SHALL BE PERFORMED OFFSITE OR IN DESIGNATED CONCRETE WASHOUT AREAS ONLY. DO NOT WASH OUT CONCRETE TRUCK$ ONTO THE i<iROUND, OR TO STORM DRAIN$ OR QP[=N DITCHES. QN-SITE DUMPING OF EXCE$$ CONCRETE SHALL ONLY QCQUR IN DE$I{:iNATED JCRETE WASHOL'T AREAS. 7. ALL REQUIRED ESC BMPS SHALL BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING ANDlOR CONSTRUCTION TO PREVENT TRANSPOR7ATIC" OF SEDIMENT 70 SURFACE WATER, ORAINAGE SYSTEMS AND ADJACENT PROPERTIES. ALL ESC BMPS SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING ANDlOR 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 Ot+FSITE EROSION DOES NOT EXIST- THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT, ENHANCEMENT, AND REMOVAL OF ESC BMPS SHALL BE THE RESPONSIBILITY OF THE APPLICANT. S. ANY HAZARDOUS MATERIALS OR LIQUID PRODUCTS THAT HAVE THE POTENTIAL 70 POLLUTE RUNOFF SHALL BE DISPOSED OF PROPERLY. 9. THE ESC BMPS DEPICTED ON THES 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 ISE 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 CONINTFONS THAT MAY 9E CREATED BY 7HE ACTIVITIES AND TO PROV105 ADDITIONAL ESC BMPS, OVER AND ARCVE MINIMUM REQUIREMENTS, AS MAYBE 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 $TQRMWA7F.R FAQILITIE$. 11. ANY DEWATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OF 570RMWA7ER FACILITIES SHALL BE SUBMITTED TO THE CITY FOR REVIEW AND APPROVAL, 12. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS. THAT WILL NOT SE DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCTOBER 1ST THROUGH APRIL 30THI OR SEVEN DAYS DURING THE DRY SEASON (MAY 1ST THROUGH SFPTFMI3FR 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 18T AND APRIL 34ITH, UNLESS OTHERWISE APPROVED BY THE CITY_ 14. ANY AREA NEEDING ADDITIONAL ESQ MEASURE$, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRE$$EO WITHIN SEVEN (7) DAYS. 15. THE ESC SAP$ ON INACTIVE SITE$ SHALL BE INSPECTED AHV MAINTAINE0 AT A MINIMUM OF 044CE A MONTH OR WITHIN Zd HOUR$ 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 STANOAiRD PLAN 216.30 SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS DOWNSLOPE AND WITHIN 500FEET OF A DISTURBED OR CON8TRUCTION AREA, UNLESS THE RUNOFF THAT ENTERS THE INLET WILL BE CONVEYED TO A SEDIMENT POND OR TRAP- ALL CATCH BASIN INSERTS SHALL BE PERIODFCALLY INSPECTED AHD REPLACED AS NECESSARY TO ENSURE FULLY FUNCTIONING CONDITION. 17. AT NO TIME SHALL SEDIMENT ACCUMULATION EXCEED 2i3 OF THE CAPACITY OF THE CATCH RA51N SUMP. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING, THE GLEANING OPERATION SHALL NOT FLUSH SEDIMENT -LADEN WATER I1470 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 TMAT THE BOTTOM AND SIDES ARE AT LEAST THREE FEET ABOVE THE FINAL GRADE OF THE PERMANENT FACILITY. 19. AREAS DESIGNATED ON THE PLANS) CONTAIN INS, EXISTING STORMWATER FACI LITIES OR ONSRTE BMPS (AMENDED SOILS, BICRETENTION, PERMEABLE PAVEMENT, ETC.) SHALL BE CLEARLY FENCED AND PROTECTED USING ESC BMPS TC AVOID SEDIMENTATION AND COMPACTION DURING CONSTRUCTION, 20. PRIOR TO THE BEGINNING OF THE WET SEASON (QCTOBER 1ST), ALL DISTURBED AREAS SHALL BE INSPECTED 70 IDENTIFY WHICH ONES SHALL BE SODDED OR SEEDED IN PREPARATION FOR THE WINTER RAINS. 0137URSED 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 RE SUBMITTED TO THE CITY FOR REVIEW. 21. PRIOR TO FINAL CONSTRUCTION ACC4=PTANCE, THE PROJECT SITE SHALL BE STABILIZED TO PREVENT SE0IMEN1r-LA0EN wATEd3 FROM LEAVING THP_ PROJECT SITE, ALL ESC BMPS SHALL BE REMOVED, AND STORMWATER CONVEYANCE SYSTEMS, FACILITIES, AND ON -SITE BMPS SHALL BE RESTORED TO THEIR FULLY FUNCTIONING CONDITION. ALL DISTURBEV AREAS OF THE PROJECT $ITE $HALL 9{ VEGETATE Q OR OTHERWISe PERMANEENTL_Y $TA$iLIZED, ATA MINIMUM, DISTURBED AREAS $H,aLL BE 5001DEV 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 N07 BE CONSTRUCTED TO SERVE AS RETAINING WALLS. ALL ROCKERIES IN CITY ROAD RI GHTS-OF•wAY SHALL BE CONSTRUCTED IN ACCORDANCE %KITH CITY STANDARDS. ROCKERIES OUTSIDE OF ROAD FLIGHTS -OF -WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE INTERNATIONAL BU1LDrNG CODE. UNLESS OTHF FLW13F NC TP. DRAWINR IS Nor 70 $[AR (NTrl $7D, PLAN - 268.00 Aolftk PUBLIC WORKS EROSION AND SEDIMENT CONTROL RPR ° URI DEPARTMENT GAZ 9/28J2118 J STANDARD PLAN NOTES rmwales naR.,,�a ELATE STRUCTURAL NOTES 1. THESE PLANS ARE APPROVED FOR STANDARD ROAD AND DRAINAGE IMPROVEMENTS ONLY. PLANS FOR STRUCTURES SUCH AS BRIDGES, VAULTS, AND RETAINING WALLS REQUIRE A SEPARATE REVIEW AND APPROVAL BY THE CITY PRIOR TO CONSTRUCTION. 2. 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 RIGHT-OF-WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH CITY STANDARDS. ROCKERIES OUTSIDE OF ROAD RIGHT-OF-WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE INTERNATIONAL BUILDING CODE. Call 2 Working Days Before You Dig 811 Utilities Underground Location Center (ID,MT,ND,OR,WA) ®CONSULTING 33400 81hAvenue South ENGINEERS LLC Suite 205 Federal Way, WA 98003 FEDERAL WAY (253) 838-6113 www.esmcivil.com EVERE7 (425) 297-9900 Civil Engineering Land Surveying Land Planning Public Works I Project Management I Landscape Architecture ESM JOB #41 1-004-023 WET SEASON PROVISIONS NOTE: THE PROJECT EARTHWORK IS LIMITED TO SEASONALLY DRIER PERIODS (TYPICALLY APRIL 1 TO OCTOBER 31) IN ACCORDANCE WITH THE GEOTECHNICAL RECOMMENDATION MADE BY ASSOCIATED EARTH SCIENCES, INC, (DATED JANUARY 18, 2017). NOTE: THE FOLLOWING MEASURES ARE REQUIRED FOR CONSTRUCTION DURING THE WET SEASON (OCTOBER 1 - APRIL 30) IN ADDITION TO THE STANDARD TESC MEASURES. 1. THE ALLOWED TIME THAT A DISTURBED AREA MAY REMAIN UNWORKED WITHOUT COVER MEASURES IS REDUCED TO TWO CONSECUTIVE WORKING DAYS, RATHER THAN SEVEN (SECTION D.3.2). 2. STOCKPILES AND STEEP CUT AND FILL SLOPES ARE TO BE PROTECTED IF UNWORKED FOR MORE THAN 12 HOURS (SECTION D.3.2). 3. COVER MATERIALS SUFFICIENT TO COVER ALL DISTURBED AREAS SHALL BE STOCKPILED ON SITE (SECTION D.3.2). 4. ALL AREAS THAT ARE TO BE UNWORKED DURING THE WET SEASON SHALL BE SEEDED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON (SECTION D.3.2.5). 5. MULCH IS REQUIRED TO PROTECT ALL SEEDED AREAS (SECTION D.3.2.1). 6. FIFTY LINEAR FEET OF SILT FENCE (AND THE NECESSARY STAKES) PER ACRE OF DISTURBANCE MUST BE STOCKPILED ON SITE (SECTION D.3.3.1). 7. CONSTRUCTION ROAD AND PARKING LOT STABILIZATION ARE REQUIRED FOR ALL SITES UNLESS THE SITE IS UNDERLAIN BY COARSE -GRAINED SOIL (SECTION D.3.4.2). 8. SEDIMENT RETENTION IS REQUIRED UNLESS NO OFFSITE DISCHARGE IS ANTICIPATED FOR THE SPECIFIED DESIGN FLOW (SECTION D.3.5). 9. SURFACE WATER CONTROLS ARE REQUIRED UNLESS NO OFFSITE DISCHARGE IS ANTICIPATED FOR THE SPECIFIED DESIGN FLOW (SECTION D.3.6). 10. PHASING AND MORE CONSERVATIVE BMPS MUST BE EVALUATED FOR CONSTRUCTION ACTIVITY NEAR THE SURFACE WATERS (SECTION D.5.3). 11. ANY RUNOFF GENERATED BY DEWATERING MAY BE REQUIRED TO DISCHARGE TO THE SANITARY SEWER (WITH APPROPRIATE DISCHARGE AUTHORIZATION), PORTABLE SAND FILTER SYSTEMS, OR HOLDING TANKS. 12. THE FREQUENCY OF MAINTENANCE REVIEW INCREASES FROM MONTHLY TO WEEKLY (SECTION D.5.4). CONDITIONS FOR WET SEASON CONSTRUCTION ANY CONSTRUCTION THAT WILL RESULT IN DISTURBED AREAS ON OR WITHIN A CRITICAL AREA OR ASSOCIATED BUFFER, SHALL BE SUBJECT TO THE "CRITICAL AREA RESTRICTIONS" CONTAINED IN THE ESC STANDARDS. THESE PROVISIONS INCLUDE PHASING THE PROJECT WHENEVER POSSIBLE SO THAT CONSTRUCTION IN THESE AREAS IS LIMITED TO THE DRY SEASON. 2. DURING CONSTRUCTION, ESC PLANS SHALL BE REVISED AS NECESSARY BY THE ESC SUPERVISOR OR AS DIRECTED BY THE CITY TO ADDRESS CHANGING SITE CONDITIONS, UNEXPECTED STORM EVENTS, OR NON-COMPLIANCE WITH THE ESC PERFORMANCE CRITERIA IN SECTION D.4.1 (P. D-69). IF NON-COMPLIANCE WITH THE ESC PERFORMANCE CRITERIA OCCURS, THE PLAN MUST BE UPDATED WITHIN 48 HOURS (FAILURE TO DO SO COULD RESULT IN A "STOP WORK" ORDER AS DETERMINED BY THE CITY INSPECTOR) OF INSPECTIONS OR INVESTIGATIONS. IMPLEMENTATION OF THE ONSITE CHANGES MUST OCCUR WITHIN 5 DAYS. A , G�7��1lSiLl� IN THE MAINTENANCE REQUIREMENTS FOR EACH BMP AND IN THIS SECTION. THE ESC SUPERVISOR SHALL REVIEW THE SITE AT LEAST WEEKLY DURING THE WET SEASON, AND WITHIN :45 AI 24 HOURS OF SIGNIFICANT STORMS. IN GENERAL, A SIGNIFICANT STORM IS ONE WITH MORE THAN 0.5 INCHES OF RAIN IN 24 HOURS OR LESS. THE CITY MAY REQUIRE THAT A WRITTEN RECORD OF THESE REVIEWS BE KEPT ON SITE WITH COPIES SUBMITTED TO THE CITY WITHIN 48 HOURS. SURVEYED: DESIGNED: BML DRAWN: CJR QFC� 0 ERGO \� CHECKED: ' NAL 2/14/2 2�10. REVISION BY DATE APPR APPROVED: SCALE: ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY MULCH STANDARDS AND GUIDELINES MULCH QUALITY APPLICATION MATERIAL STANDARDS RATES REMARKS STRAW AIR-DRIED; FREE FROM 2"-3" THICK; 2-3 COST-EFFECTIVE PROTECTION WHEN APPLIED UNDESIRABLE SEED BALES PER 1000 SF OR WITH ADEQUATE THICKNESS. HAND -APPLICATION AND COARSE MATERIAL 2-3 TONS PER ACRE GENERALLY REQUIRES GREATER THICKNESS THAN BLOWN STRAW. STRAW SHOULD BE CRIMPED TO AVOID WIND BLOW. THE THICKNESS OF STRAW MAY BE REDUCED BY HALF WHEN USED IN CONJUNCTION WITH SEEDING. WOOD FIBER NO GROWTH INHIBITING APPROX. 25-30 LBS SHALL BE APPLIED WITH HYDROMULCHER. SHALL CELLULOSE FACTORS PER 1000 SF OR NOT BE USED WITHOUT SEED AND TACKIFIER 1000-1500 LBS PER UNLESS THE APPLICATION RATE IS AT LEAST ACRE DOUBLED. SOME WOOD FIBER WITH VERY LONG FIBERS CAN BE EFFECTIVE AT LOWER APPLICATION RATES AND WITHOUT SEED OR TACKIFIER. COMPOST NO VISIBLE WATER OR 2" THICK MIN.; MORE EFFECTIVE CONTROL CAN BE OBTAINED BY DUST DURING APPROX. 100 TONS INCREASING THICKNESS TO 3". EXCELLENT HANDLING. MUST BE PER ACRE (APPROX. MULCH FOR PROTECTING FINAL GRADES UNTIL PURCHASED FROM 800 LBS PER YARD) LANDSCAPING BECAUSE IT CAN BE DIRECTLY SUPPLIER WITH SOLID SEEDED OR TILLED INTO SOIL AS AN WASTE HANDLING AMENDMENT. SOURCES FOR COMPOST ARE PERMIT. AVAILABLE FROM THE KING COUNTY COMMISSION FOR MARKETING RECYCLABLE MATERIALS AT (206) 296-4439. CHIPPED SITE AVERAGE SIZE SHALL 2" MINIMUM THIS IS A COST-EFFECTIVE WAY TO DISPOSE OF VEGETATION BE SEVERAL INCHES. THICKNESS DEBRIS FROM CLEARING AND GRUBBING, AND IT ELIMINATES THE PROBLEMS ASSOCIATED WITH BURNING. GENERALLY, IT SHOULD NOT BE USED ON SLOPES ABOVE APPROX. 10% BECAUSE OF ITS TENDENCY TO BE TRANSPORTED BY RUNOFF. IT IS NOT RECOMMENDED WITHIN 200 FEET OF SURFACE WATERS. IF SEEDING IS EXPECTED SHORTLY AFTER MULCH, THE DECOMPOSITION OF THE CHIPPED VEGETATION MAY TIE UP NUTRIENTS IMPORTANT TO GRASS ESTABLISHMENT. VERTICAL: NAVD 1988 HORIZONTAL: NAD 1983/1991 DATU M CTY OF RENTON Planning/Building/Public Works Dept. R-431507 IN COMPLIANCE WITH CITY OF RENTON STANDARDS DEVELOPMENT ENGINEERING HHuynh 04/17/2025 SOPHIE JO SHORT PLAT GRADING & T.E.S.C. DETAILS & NOTES UTILITY PERMIT # DATE: 11/19/24 PAGE: GR-02 SHEET: OF:23