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AHERN TRUCK STOP 5/22/2019 <br /> SEPTIC SYSTEM CALCULATIONS <br /> SEPTIC TANK FLOW BASED ON OCCUPANCY <br /> TOTAL FLOW FROM 15000 GAL./DAY (Per Plumbing Calculations by Laws&Associates,Inc.) <br /> FACILITY <br /> SEPTIC TANK SIZING PER SAN JOAQUIN COUNTY REQUIREMENTS <br /> AVERAGE DAILY FLOW 15000 GAL./DAY <br /> (ADF) <br /> BASE TANK CAPACITY 12375 GAL. (Per San Joaquin County OWDS 6.1.14) <br /> (BTC)REQUIRED: <br /> SIZE STORAGE&TREATMENT TANKS <br /> TREATMENT TANK 3041 GAL. (Jet JCP 14000-18000 Gallon Series) <br /> CAPACITY <br /> STORAGE TANK 10000 GAL. (Jensen Precast Model 2XJP5000 10000 Gallon Battery Tank) <br /> CAPACITY <br /> SIZING LEACH LINES/SEEPAGE PITS <br /> ADF 15000 GALJDAY <br /> BTC 12375 GAL. <br /> Req'd.Disposal Field Area 27375 SQ.FT Per Sections 9.7&9.8 of OWTS 2017,Clay Soil <br /> Drain Rock Area 9 SQ.FT/LF 36"Gravel Under Pipe&36"Wide Trench <br /> Leach Line Required 3042 LF <br /> Leach Line Provied 948 LF <br /> #Seepage Pits 26 <br /> Equivalent Leach Line <br /> Length Covered Per 84 LF/PIT Per Section 9.9.8 of OWTS 2017,60"Pit) <br /> Seepage Pit <br /> Total Leach Field Coverage <br /> (Lines+Seepage Pits 3132 LF o.k. <br /> %Leach Line 30.27% O.K. Min.20%Per Section 9.9.7 of OWTS 2017 <br /> *Soil Condition per attached USGS map of Project Location <br /> GDR Engineering, Inc. Septic Design <br />