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�'5TEM CALCULATIONS PARCEL. <br /> INPIL RE- U T- <br /> ESt. pert. rate (min/in)of Shallow coil: 125 Total calculated flow(gals/day): 375 <br /> Persons, maximum: 5 Total Flow Q with 1 factor of Safety(gals/day): 375 <br /> Gallons per person per day: 75 Flow Qlf(gals)to leach line (100%of Total Flow): 375.0 <br /> Desired Leach Lines: 3 Flow(gals)to seepage pits (O%of Total Flow): 0.0 <br /> Desired Pits: 3 Length of leach line (ft)for 100%of total flow: 279.5 <br /> 5yetem Flow y in Leach Line: 100.0% Sewage app. rate,leach line (gpd/Sf): 0.447 <br /> Trench bottom (ft) absorption width: 2 Calc. length of each leach line (ft),total of 3: 93.2 <br /> 5idewall absorption height(ft): 0.5 Required flow(gal/day) per pit,total of 3: 0.0 <br /> Factor of Safety: 1 Recommended minimum Seepage pit diameter. 42-in <br /> Minimum RecommendaVort.• <br /> 3 Leach Lines, 95-ft Each With 3 Seepage Pito of 42-in Diameter. <br /> YARIA131-F5 AND T RM5 <br /> Oat =gallons. <br /> gpd/Sf=gallons per day per square foot. <br /> ft=feet. <br /> in = inch. <br /> PR= Percolation Rate (min/in) of shallow soil. <br /> 5LR= 5ewage Loading Rate (gpd/5f) of shallow Soil. <br /> TL =Total Length (ft) of trench required. <br /> Off= Leach Field Flow(GPD). <br /> A5=Absorption surface per lineal foot of trench (ft). <br /> TB =Trench bottom absorption width (ft). <br /> 5WH = Side wall absorption height(ft). <br /> FQLIATION5- <br /> (Sec Note No. 1) 51-R=5/(1`R)^0.5 <br /> A5 =TB+ (2 x 5WH) <br /> TL =Qff/5LR/A5 <br /> CALCULATIONS: <br /> (see Note No. 1) 5LR: 0.447-gpd/of=5/(125-min/in)^0.5 <br /> A5: 3-ft= 2-ft+ (2 x 0.5-ft) <br /> TL: 279.5-ft= 375-gpd/0.447-gpd/sf/3-ft <br /> Note No.l--U5 Dept of Health,Education,and Welfare,revieed 1967. <br /> Manual of 5el Uc Tank Practice: Publication No.526,ace,Figure 19,Page 47. <br /> :O[RJG I <br /> NEIL O.ANDERSON&ASSOC.,INC. ~ <br /> s <br /> t£OlEO1NCK 9BlNC3-EKINB �Mfflft <br /> N-WAU.L .CA9M,V <br /> (201 TVffl <br /> Z <br /> O <br /> 5HEET1 <br />