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Property Address: <br />Infiltration Trench <br />Inspection and Maintenance Checklist <br />Property Owner: Thomas lames Homes <br />Treatment Measure No.: Date of Inspection: Type of Inspection: o Monthly o Pre -Wet Season <br />o After heavy runoff o End of Wet Season <br />Inspector(s) o Other <br />Defect <br />Condklons When Maintenance Is Needed <br />Maintenance <br />Comments (Describe maintenance <br />Results Expected When Maintenance Is <br />Neadl(Y/N) <br />crocheted andel needed maintenance was <br />Performed <br />not conducted, note when It will be done) <br />1. Standing Water <br />When water stands in the infiltration trench <br />There should be no areas ofstanding <br />between storms and does not drain within 5 <br />water once inflow has ceased. Any of the <br />days after rainfall <br />following may apply: sediment or trash <br />blockages removed, improved grade from <br />head to foot of infiltration trench, <br />removed clogging at check dams, or <br />added underdrains. <br />2. Trash and Debris <br />Trash and debris accumulated in the <br />Trash and debris removed from <br />Accumulation <br />infiltration trench. <br />infiltration trench and disposed of <br />properly. <br />3. Sediment <br />Evidence efsedimentation in trench. Less <br />Material removed and disposed of <br />than 50Y storage volume remaining In <br />properly so that there is no clogging or <br />sediment traps, forebays or pretreatment <br />blockage. <br />swales. <br />4.JMe(/Outlet <br />Inlet/outlet areas clogged with sediment or <br />Material removed and disposed of <br />debris, and/or eroded. <br />properly so that there is no clogging or <br />blockage In the inlet and outlet areas. <br />5. Overflow <br />Clogged with sediment or debris, and/or <br />Material removed and disposed of <br />Spillway <br />eroded. <br />properly so that there is no dogging or <br />blockage, and trench is restored to design <br />condition. <br />6. Filter Fabric <br />Annual inspection, by removing a small <br />Replace filter fabric, as needed, to restore <br />section ofthe top layer, shows sediment <br />Infiltration trench to design condition. <br />accumulation that may lead to trench failure. <br />]. Observation Well <br />Routine monitoring of observation well <br />Restore trench to design conditions. <br />Indicates that trench Is not draining within <br />observation well cap Is sealed, <br />specified time or observation well cap is <br />masing. <br />8. Miscellaneous <br />Any condition not covered abovethat needs <br />Meet the design specifications, <br />attention in order for the infiltration trench <br />to function as designed. <br />Infiltration Trench Maintenance Plan- Page 3 <br />ATT"1AGFr2021o21I5F20G, LLC (Page 13 of 13) <br />