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21 01 01 : 49p non Chesney 668-2598 p•2 <br /> LEACHLINE/ FILTER BED REQUIREMENTS <br /> "ae calculated lineal feet of leacltfield and subsequent filter bed area are based upon San Joaquin <br /> -ounty F,nvironmental Health Sewage Standards § 8.7: <br /> i <br /> 9ase Tank Capacity (BTQ iAverage Daily Flow(ADF)x Soil Factor(SF) <br /> '.200 gal BTC + 1,180 gal ANx 0.200 (sandy loam) SF=476 lineal feet of leac111ine <br /> 4+ Filler Bed Arca_476 lineal feet of leachline x 3 (sandy soils) = 1,428 sq ft of filter bed required. <br /> _r Sed Arca– 38 ft x 38 ft= 1,444 sq It <br /> As can be noted on the attached Filter Bed and 100% Replacement Arca Schematic, there are <br /> 1 2,720 sq tt available for primary filter bed area, north of the sidewalk. Combined primary and <br /> -enlacement area should equal 2,888 sq ft. Therelore,a portion of the landscape area south of the <br /> :'.rg sidewalk must be designated as replacement area. <br /> i� <br /> Respectfully submitted, <br /> Don Chesney, R.E.A. }} <br /> t <br /> Al <br /> Page 2 of 2 <br /> —j <br /> Nalfey Ag Research <br />