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r� \.J ��ELL/0N <br /> Ile <br /> LAURENCE TEST � �� uD .r Ge O <br /> CIVIL ENGINEER MAR 18 2004 a <br /> SEPTIC SYSTEM DESIGNi J NO. 41 <br /> (Per San Joaquin CountyR ENVIRONMENT HEALTH '� <br /> Requirements) PERMIT/SERVICES ✓� EXP. 3-31-2007 <br /> JOB NAME: ROGERS TRUCKING \SL �P <br /> JOB NO.: 0301 tirF OF CALtF�P <br /> DATE: 5/20/03, Rev.: 8/15/02, 11/20/03, 2/13/04, 3/14/04, 3/17/04 <br /> SEPTIC TANK SIZING <br /> 1. MINIMUM SEPTIC TANK CAPACITY <br /> BASIC TANK CAPACITY (BTC)= 1,200 GAL TANK IS EXISTING <br /> 2. SEPTIC TANK CAPACITY FOR AVERAGE DAILY FLOW (ADF) < 1500 GALLONS <br /> CALCULATED TANK CAPACITY(CTC) = 0.75(ADF) + 1,125 gal <br /> ADF = WATER USE FACTOR FOR DEVELOPMENT TYPE TIMES NUMBER OF PERSONS <br /> OCCUPYING DEVELOPMENT <br /> DEVELOPMENT TYPE 1: TRUCK TERMINAL <br /> WATER USE FACTOR: 25 GPCD <br /> NUMBER OF OCCUPANTS: 6 <br /> ADF FOR DEVELOPMENT TYPE: 150 GPD <br /> Note. Workers will only be on site twice a day in the AM & PM. Other times they will be on <br /> the road in their trucks. 15-25 GPM is reasonable <br /> DEVELOPMENT TYPE 2: RESIDENTIAL MOBILE HOME (8'X 45') <br /> NUMBER OF OCCUPANTS: 2 <br /> WATER USE FACTOR: 80 GPCD <br /> ADF FOR DEVELOPMENT TYPE: 160 GPD <br /> TOTAL AVERAGE DAILY FLOW (ADF) 310 GPD <br /> CTC = 1358 GAL <br /> LEACH LINE SIZING <br /> 1. MINIMUM LENGTH OF LEACH LINE (LL) _ (BTC+ADF) x SOIL FACTOR <br /> SOIL TYPE: CLAY AND/OR PEAT <br /> SOIL FACTOR: 0.250 <br /> LL REQ'D 378 FT <br /> EXISTING SYSTEM <br /> EXISTING LEACH LINE 100 FT <br /> TRENCH WIDTH 1 FT <br /> EQUIVALENT LENGTH 100 FT per SJCo <br /> EXISTING PIT DIAMETER 33 IN <br /> EXISTING PIT DEPTH 25 FT <br /> EQUIVALENT LENGTH 60 FT per SJCo <br /> 3/17/2004 <br />