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Y51-EM CALCULATIONS PARCEL <br /> 1 . INPUT: KE5ULT: <br /> Est. pert. rate (min/in) of Shallow Soil: 250 Total calculated flow(gals/day): 375 <br /> PerSonc, maximum: 5 Total Flow Q with 1 factor of Safety (gals/day): 375 <br /> Gallons per person per day: 75 Flow Off(gals)to leach line (100%of Total Flow): 375.0 <br /> Desired Leach Lines: 4 Flow(gals)to seepage pits (0%of Total Flow): 0.0 <br /> Desired Pits: 4 Length of leach line (ft)for 100%of total flow: 395.3 <br /> 5y5tem Flow% in Leach Line: 100.0% Sewage app. rate,leach line (gpd/sf): 0.316 <br /> Trench bottom (ft) absorption width: 2 Calc. length of each leach line (ft),total of 4: 98.8 <br /> 5idewall absorption height(ft): 0.5 Required flow(gall lay) per pit,total of 4: 0.0 <br /> Factor of Safety: 1 Recommended minimum seepage pit diameter. 42 in <br /> Minimum Recommendation: <br /> 4 Leach Lines, 100-ft Each With 4 Seepage Pito of 42-in Diameter. <br /> VARIABI Fri AND TFKMrc- <br /> gal =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 /> SLR = Sewage Loading Rate (gpd/sf) of Shallow Soil. <br /> TL =Total Length (ft) of trench required. <br /> Qjf= 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 /> FQ ATION <br /> (5ee Note No.1) 5LR=5/(PR)^0.5 <br /> A5=T13 + (2x5WH) <br /> TL =Qff/5LR/A5 <br /> GALCUI ATION / <br /> (5ee Note No.1) 5LR: 0.316-6p6l/sf=5/(250-min/in)^0.5 'd� " 16"J/ <br /> TL: 395.3-ft=375-g0/0.316-13p61/4/3-ft GIV <br /> Note No.1--U5 Dept of Hea".Education,and Welfare,ne ioed 1%7, �/ �]` JA,l <br /> Manual of Soptic Tank Practice: Publication No.526,eee Figur,19,Page 47. �J •�� IQ !7 <br /> 3 <br /> o,� <br /> OE■i 1 <br /> NEIL O.ANDERSON&ASSOC.,INC. <br /> CEOIEpNCAL SEANCES-BIGINEFOMTOW i r <br /> Ebu,Wn Ln.LRJ®I.C)NT-VM O ti <br /> SHEET <br />