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Home My WebLink About820315_SSE Calculations_20201217 Sludge Survey Evaluation Form Today's Date12/17/2020Today's Date12/17/2020 Facility # 820315820315 Owner: Bobcat FarmsBobcat Farms Lagoon ID1-A2-B Sludge Survey Received:12/2/202012/2/2020 Sludge Survey Performed:10/18/201910/18/2019 Sludge Depth (Row O): (ft) 4.13.5 Existing Treatment Depth (Row P): (ft) 3.704.20 Start Date:01/01/9401/01/94 Facility age at time of survey:(yr)2626 Average Sludge Accumulation (ft/yr):0.160.14 11 Requested Extension: (yr) Requested Due Date20212021 Sludge Accumulation during extension period: (ft)0.160.14 3.544.06 Treatment Depth Available after Extension: (ft) Sludge level OK?NOYES Ratio Estimates Based on DepthEXISTINGEXEMPTIONEXISTINGEXEMPTION Ratio of Sludge layer to total trmt depth 0.530.550.450.47 Ratio of Sludge depth OK?NONO EXISTINGEXEMPTIONEXISTINGEXEMPTION Average Sludge layer thickness (T)4.14.263.53.64 Depth of the lagoon from top of bank to bottom soil surface (D) 10.110.110.110.1 Slope=Horizontal/vertical side slope (S) 3333 Length at the top of inside bank (L) 375375375375 Width at the top inside slope (W) 175175175175 Thickness of existing liquid treatment zone (Y) 3.703.544.204.06 Lm Length at midpoint of sludge layer ()=L-2S(D-(T/2)) 326.70327.18324.90325.31 Wm Width at midpoint of sludge layer ()=W-2S(D-(T/2)) 126.70127.18124.90125.31 Vs Volume of sludge ()=Lm*Wm*T 169710.85177207.15142030.04148198.58 Vsg Volume in gallons ()=Vs*7.481 1269606.861325509.461062526.691108525.40 Z Thickness of total treatment zone ()=T+Y 7.807.807.707.70 Lz Length at midpoint of total treatment zone ()=L-2(S)(D-(Z/2)) 337.80337.80337.50337.50 Wz Width at midpoint of total treatment zone ()=W-2(S)(D-(Z/2)) 137.80137.80137.50137.50 Vz Volume of total treatment zone ()=Lz*Wz*Z 363080.95363080.95357328.13357328.13 Ratio(R) of sludge layer volume to total trmt volume0.4670.4880.3970.415 Sludge Volume Ratio OK?NONO Maximum extension until end of permit cycle Next survey to be done: (calendar yr) 12/31/202412/31/2024 Notification letter mailed: 4/12/20194/12/2019