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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.
11/01/2022 Renton ES 16 20180398E003 027
LOCATION CITY MUNICIPALITY CSWGP
1075 Duvall Ave NE Renton Renton WAR310781
PREVIOUS SITE VISIT CLIENT/OWNER WEATHER 24 HOUR RAINFALL PAST WEEK RAINFALL
10/25/2022 Renton School District 403 Cloudy, 50's 0.44" 0.44"
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
Actively using stockpiles 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 Turbid puddles
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 Silt fence
CORRECTIVE ACTIONS
Relocate silt fence approximately 1 ft north
PAST CORRECTIVE ACTIONS
N/A
Is this site in compliance with the terms and conditions
of the SWPP and CSWGP discharge Permit?
Yes
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TESC REPORT
DATE CSWGP PROJECT NO. TESC REPORT NO.
11/01/2022 WAR310781 20180398E003 027
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 206 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 notified AESI that they were expecting a Baker tank to arrive onsite tomorrow and
will apply for a sewer discharge permit with the county. AESI recommends relocating the silt fence along the northern
perimeter approximately 1 foot north to ensure all sediment and discharge is caught.