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HomeMy WebLinkAboutR-3869021. THESE NOTES SHALL APPEAR FOR ALL PROJECTS - SITE IMPROVEMENTS, SURFACE WATER UTILITY, WASTEWATER UTILITY, WATER UTILITY, AND TRANSPORTATION PLANS: 2. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MIEETIINGYUST BE HELD NTH THE CITY OF R ENTON, PUBLIC WORKS DESIGN ENGINEER. 3. THE BOUNDARIIEES OF THE CLEARING LINTS AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY FLAGGED BY SURVEY TAPE OR FENCING IN THE FIELD PRIOR TO CONSTRUCTION IN ACCORDANCE WITH APPENDIX D OF THE SURFACE (MATER DESIGN MANUAL AND OBSERVED DURING CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED BY THE APPLICANT/ESC SUPERVISOR FOR THE DURATION OF CONSTRUCTION. 4. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTIONA>ND MAINTAINED FOR THE DURATION OF THE PROJECT. ADDITIONAL MEASURES, SUCH AS CONSTRUCTED *(EEL WASH SYSTEMS OR WASH PADS, MAY BE REQUIRED TO ENSURE THAT ALL PAVED ACAS ARE KEPT CLEAN AND TRACK OUT TO ROAD RIGHT OF WAY DOES NOT OCCUR FOR THE DURATION OF THE PROJECT. 5. ALL RE% D SEDIMENTATION/EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AID/OR CONSTRUCTION TO PREVENT TRANSPORTATION OFSiEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS AND ADJACENT PROPERTIES. ALL EROSION AND SEDMIIENT FACILITIES SHALL BE MA NTAMIED IN A SATISFACTORY CONIDITION UNTIL SUCH TIME THAT CLEARING AND/OR CONSTRUCTION IS COMPIETE AND POTENTIAL FOR ON-SITE EROSION HAS PASSED. THE IMF'L ]"TATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION/SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PER MITEE. 6. THE EROSION AND SEDA"TATION CONTROL SYSTEMS DEPICTED ON THIS DRANNG ARE INTENDED TO BE MINMIIUM REQUIREMENT'S TO MEET ANTKIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNELECTED OR SEASONAL CONDITIONS DICTATE, THE PERMMTEE SHALL ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL FACILITIES WILL BE NECESSARY TO DIRK COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE PERMNTEE TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE MINIUM REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM. 7. APPROVAL OF THS PLAN IS FOR EROSION/SEDIMIENTATION CONTROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL. OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES. 8. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURING THE WILT SEASON (OCTOBER 1sT TROUGH MARCH 30m) OR SEVEN DAYS DURING THE DRY SEASON (APRIL 1sT TOUGH SEPTEMBER 30) SHALL BE IMMEDIATELY STABILIZED NTH THE APPROVED ESC COVER METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.). 9. MET SEASON SEASONAL EROSION AND SEDIMENT CONTROL REQUIREMENTS APPLY TO ALL CONSTRUCTION SITES CLEARK BETWEN OCTOBER 1 AND MARCH 30 INCLUSIVE, UNLESS OTHERUSE APPROVED BY THE CITY THIOM AN ADJUSTMENT PROCESS. 10. COVER MEASURES WILL BE APPLIED IN CONFORMANCE WITH APPENDIX D OF THE SURFACE WATER DESIGN MANUAL. 11. ANY AREA NEEDING ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRESSED WITHIN SEVEN (7) DAYS. 12. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR WITHIN 24 HOURS FOLL004G A STORM EVENT. 13. AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLONED TO ACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE LINES NES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT -LADEN WATER INTO THE DOWSTREAM SYSTEM. 14. DURING THE TIME PERM OF OCTOBER 1sT THROUGH MARCH 30% ALL PROJECT DISTRIBUTED SOI. AREAS NEATER, THAT ARE TO BE LEFT UN -WOWED FOR MORE THAN 12 HOURS, SHALL BE COVERED BY MULCH, SODDING OR PLASTIC COVERING. 15. ANY PERMANENT RETENTION/DETENTION FACILITY USED AS A TEMPORARY SETTLING BASIN SHALLBE M ODIFIE.D WITH THE NECESSARY EROSION CONTROL MEASURES AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE PERMANENT FACILITY IS TO FUNCTION ULTIMATELY AS AN INFILTRATION SYSTEM, THE TEMPORARY FACILITY MUST BE ROUGH GRADED SO THAT THE BOTTOM AND SIDES ARE AT LEAST THREE FEET ABOVE THE FINAL GRADE OF THE PERMANENT FACILITY. 16. PRIOR TO THE BEGINNING OF THE WET SEASON (OCT. 1), ALL DISTURBED AREAS SHALL BE REVIEMED TO IDENTIFY 0404 ONES CAN BE SEEDED IN PREPARATION FOR THE VOTER RAINS. DISTURBED AREAS SHALL BE SEEDED NTHIN ONE WEEK OF THE BEGINNING OF THE VIET SEASON. A SKETCH MAP OF THOSE AREAS TO BE SEEDED AND THOSE AREAS TO REMAIN UNCOVERED SHALL BE SUBMITTED TO THE CITY OF RENTON FOR REVIEW. SILT CLEARING LIMITS MARKED M BRIGHT ORANGE CONSTRUCTION FENCE. PROPERTY LMIL ESTATES AT HIDDEJ -CRF_E\ VOL. 188, PG. 63 I' I I I� HOUSE I' I TAX PARCEL #238520-0060 _ J W Rki _ w--_ _ S— _—S EXISTING FIRE HYDRANT --_ EXISTING SIG(! TO re; , ' IJ r A rO11T10N OF !E V4 W 1/4 lECTIOM 10 TO�NM! 23 M. RAMS 5 E., wLL�TTE�IAN� KMIQ COINITY, WAli�TON T.E.=.C.'LAM� �fNJT1011'LAM A FLAN LIiA • 04 067 PELT • YIiMi1T4 EXISTING FIRE HYDRANT � II II II i /v) V' II I ® I I OONSTRUCTiON SEDM�OT TRAP PER CITY STANDARD ENTRANCE \ II i DETAIL ON SHEET C3. 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