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Cherry Lane Park Septic Repair Page 2 of 3 <br /> Our Project Number: E0720SA <br /> December 13, 2007 <br /> Calculations <br /> Space No. 8 <br /> Current flow 1000 gallons per day (per EHD by pumping records) <br /> BTC is base tank capacity <br /> ADF is average daily flow <br /> SF is soil factor (use 0.25 for clay) <br /> LF is feet of leach field trench <br /> BTC is 1200 gallons <br /> (BTC + ADF) x SF = LF <br /> (1200 + 1000) x 0.25 = 550 feet leach line <br /> Divide by 2 for the 50% replacement repair. <br /> 550/2 = 275 feet <br /> A 5-foot diameter by 25-foot deep seepage pit is equivalent to 110 feet of leach line. <br /> 275 feet / 110 ft/ pit = 2.5 pits (Use 3 pits) <br /> Recommended Repair is three (3) 5-foot diameter by 25-foot deep seepage pits. <br /> See septic plans for more detail. <br /> Space No. 34 <br /> Current flow 300-400 gallons per day (per EHD by pumping records) <br /> Add 200 gallons per day for unoccupied trailer space. <br /> Total average daily flow is 600 gallons. <br /> BTC is base tank capacity <br /> ADF is average daily flow <br /> SF is soil factor (use 0.25 for clay) <br /> LF is feet of leach field trench <br /> BTC is 1200 gallons <br /> (BTC + ADF) x SF = LF <br /> (1200 + 600) x 0.25 = 450 feet leach line <br /> Divide by 2 for the 50% replacement repair. <br /> ,.,04 <br /> 902 Industrial Way-Lodi, CA 95240 209 367 3701•Fax 209.333.8303 ©2007 Neil 0.Anderson&Associates,Inc. <br />