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HomeMy WebLinkAbout20180398E003_Renton_ES_16_2022-10-25_TESC_026www.aesgeo.com This document is considered DRAFT until reviewed and initialed by an AESI Project Manager Temporary Erosion and Sediment Control Monitoring DATE PROJECT NAME AESI PROJECT NO. TESC REPORT NO. 10/25/2022 Renton ES 16 20180398E003 026 LOCATION CITY MUNICIPALITY CSWGP 1075 Duvall Ave NE Renton Renton WAR310781 PREVIOUS SITE VISIT CLIENT/OWNER WEATHER 24 HOUR RAINFALL PAST WEEK RAINFALL 10/19/2022 Renton School District 403 Rain, 50's 0.51" 1.43" AESI FIELD REP Catherine Ikeda AESI PROJECT MANAGER Bruce Guenzler Catherine Ikeda QUALITY/CONDITION (SEE SWPPP FOR BMP LOCATIONS) CONSTRUCTION ENTRANCE SITE RESTRICTED ACCESS Gravel, quarry spalls Locked chain link fences WHEEL WASH SEDIMENT TRACK OUT N/A City construction in right of way, not under this permit ROADWAY SURFACE CATCH BASIN Crushed rock, quarry spalls Silt socks installed in catch basins LIMITS BUFFER AREA STABILIZATION Marked by chain link fences N/A SILT FENCING CONCRETE WORK (Sidewalks, curbing, foundation) Installed along site perimeter None observed COVER MEARSURES OVERALL STRAW Good, no slopes exposed Covering exposed soils and slopes PLASTIC SHEETING HYDROSEED N/A Hydroseed covering exposed soils on N and W end of site CONVEYENCE CHANNEL CHECK DAMS Temporary channels on north and south end of site directing water to catch basin Temporary check dams and swale on NE end of site STOCKPILE COVER PIPE SLOPE DRAINS N/A N/A LEVEL SPREADER LANDSCAPE/MULCH N/A N/A SEDIMENT POND TRAP SEDIMENT POND INLET/OUTLET Temporary sediment ponds on NE and W end of site N/A SEDIMENT POND SIDE SLOPES SURFACE WATER OBSERVATION (Creek, Wetland, or Lake) (Clear, Turbid, Sheen) Covered with hydroseed On site temp storage is turbid. WATER QUALITY SAMPLE TURBIDITY (NTU) pH OVERALL No discharge N/A N/A BMP's adequate SAMPLE LOCATION AREAS OF CONCERN Temporary swale in NE corner of site None CORRECTIVE ACTIONS None PAST CORRECTIVE ACTIONS N/A Is this site in compliance with the terms and conditions of the SWPP and CSWGP discharge Permit? Yes www.aesgeo.com TESC REPORT DATE CSWGP PROJECT NO. TESC REPORT NO. 10/19/2022 WAR310781 20180398E003 025 Sample Location Approximate Flow Turbidity NTU/Transparency pH Compliance ADDITIONAL COMMENTS: The contractor is using temporary check dams and swales onsite to impound the water. AESI took a water sample from the NE temporary swale to test for turbidity and pH. The turbidity of the onsite swale was 277 NTU and the pH was 6.5. No water was observed leaving the site. The swale has adequate water storage for now and will work as a temporary short term solution. The contractor is working on improving BMP's and TESC measures to reduce turbidity prior to discharge.