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LAURENCE TEST " 4 <br /> CIVIL ENGINEER L y� <br /> SEPTIC SYSTEM DESIGN-FILTER BED <br /> 1s EXF: 3-3i-200 <br />' site Wastewater Design Standards.Ordinance Code 91110.5} ��' <br /> I� (Per San Joaquin County On ST CIV�1.. �� <br /> CLIENT: HOANHI FOSTERqrE or <br /> JOB NO. 0702 <br /> PROJECT NAME: 17200 BYRON ROAD,TRACY <br /> DESCRIPTION: AGRICULTURAL PRODUCE STORE <br /> 3 <br /> DATE: 716107, 11115/07 REV, 1118(07 <br /> A.SEPTIC TANK SIZING IED)U U E �� V <br /> 1, MINIMUM SEPTIC TANK CAPACITY 1,200 AL(per 6.1.14) U <br /> BASIC TANK CAPACITY(BTC)_ <br /> JAS! 2.4 2008 <br /> 2. SEPTIC TANK CAPACITY FOR AVERAGE DAILY FLOW(ADF)< 1500 GALLONS <br />�i <br /> BASIC TANK CAPACITY(STCc) = 1,200+ADF ENVIRONMENT <br /> HEALTH <br /> ADF.=WA TER USE FACTOR FOR DEVELOPMENT TYPE TIMES NUMBER OF PERSONS OCCUPYING DEVELOPMENT <br /> WASTE LOADING, (SEE CALCULATION) U15 <br /> GPD <br /> TOTAL AVERAGE DAILY FLOW ADF 15, PD <br /> BTCc= 1,351 GAL, MIN. USE 1,500 GAL. <br /> B. LEACH LINE SIZING <br /> 1. MINIMUM LENGTH OF LEACH LINE(LL)_(BTC+ADF)x SOIL FACTOR (per 8.6) <br /> DY CLAY LOAM i <br /> SOIL TYPE: SILT_AND/OR SAN _ _ <br /> SOIL FACTO -. 0.225 - <br /> LL REQ'D= / 304 IFT <br /> C. FILTER BED DISPOSAL.AREA(per 8.7) <br /> TOTAL LEACH LINE REQUIRED 304 (per 8.7.4) <br /> FILTER BED SOIL <br /> FILTER BED SOIL FACTOR O" (per 8.7.4) <br /> ' FILTER BED AREA / 1,216 S FT <br /> PROPOSED LEACH LINE <br /> NUMBER OF LEACH LINES 3 <br /> LEACH LINE LENGTH 70 LF Max 100'per 6.3.1 <br /> DISTANCE BETWEEN LEACH LINES 8 FT <br /> DISTANCE OUTSIDE LEACH LINES 2 FT <br /> DEPTH OF GRAVEL BELOW LEACH LINES 1 FT <br /> PROPOSED FILTER BED AREA 1,400 SQFT <br /> CHECK: <br /> FLOW OF WASTE TO BE DISPOSED 1.351 GAUDAY <br /> AREA OF FILTER BED 1,400 SQFT <br /> APPLICATION RATE D.97 GAUSQFTIDAY <br /> 1/21/2DD8 <br /> PAGE 1 OF 2 <br />