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l~Ul\llULJAL~L\tv/\l.,L 1H.l:.A1ML:.l"-i1 ::,\~I Livi \tVUH .. l,::,Hl:.l:.l <br />A. <br />B. <br />C. <br />D. <br />E. <br />F. <br />Estimat1•d __ <br />n11•asur<'d <br />FLOW <br />-------gpd <br />X ---gpd <br />SEPTIC TANK VOLUME <br />_____ gallons <br />SOILS (Site evaluation data) <br />Depth to restricting layer= __ 5=-f-,__ __ _ <br />Maximum depth of system C -3 ft = 2. <br />Texture 5erdr/41;11'\ Percolation rate 12,~lC> <br />SSF /...6:J_ sq ft/ gpd <br />TRENCH BOTTOM AREA <br />f<.'el <br />feet <br />MPI <br />H. For trenches with 6 inches of rock below the pipe: <br />A x F = __ x __ = __ sq ft of bottom area <br />I. For trenches with 12 inches of rock below the pipe: <br />A x F x 0.8 = __ x __ x 0.8 = __ sq ft of bottom area <br />J. For trenches with 18 inches of rock below the pipe: <br />A x F x 0.66 = __ x __ x 0.66 = __ sq ft of bottom area <br />K. For trenches with 24 inches of rock below the pipe: <br />Ax F x 0.6 = __ x __ x 0.6 = __ sq ft of bottom area <br />BED BOTTOM AREA <br />L. For Gravity beds with 6 or 12 inches of rock below the pipe; <br />1.5 x Ax F = 1.5 x __ x __ = __ sq ft of bottom area <br />For Pressure beds with 6 or 12 inches of rock below the pipe; <br />A x F = __ x __ = __ sq ft of bottom area <br />ROCK VOLUME IN CU Ff <br />M. Rock depth below distribution pipe plus 0.5 foot times bottom area: <br />M =Rock depth+-6 inches x Area (H,I,J,L,K) <br /><--:tQ:,§Jtt?S .. -.'-· -= --cu ft <br />ROCK VOLUME IN CU YDS <br />N. Volume in cu ft divided by 27 <br />M + 27 = cu yds _ + 27 = __ cu yds <br />ROCK WEIGHT <br />0. Cubic yards times 1.4 = tons <br />P. <br />Q. <br />R. <br />S. <br />N x 1.4 = tons __ x 1.4 = __ tons <br />DISTRIBUTION <br />(Chec_!s.one base<i_on_ slo,pe) __ Bed ( < 6% slope) <br />Trenches _..,.......--_n Dronp boxes (ariy slope) __ Distribution box ( < 3%) <br />SYSTEM LENGTH <br />Select width = ___ ft <br />Divide bottom area by width: (H, I, J, or K) + P = lineal feet <br />+ = lineal feet <br />Gravelless Pipe <br />( 10" :A x F + 3)= Lineal Feet ( 8" :A x F + 2)= Lineal Feet <br />Chamber (A x F + width of chamber) <br />?~x UJ_ + ~ = 't/8 lineal feet <br />LAWN AREA <br />Select trench spacing, center to center= __2 __ feet <br />Multiply trench spacing by lineal feet Rx Q = sq ft of lavvn area <br />~l.L_x_s_=~sqlt <br />LAYOUT (Use other '-'ide) <br />1. Select an appropriate scale; one square = ______ feel. <br />2. Show pertinent property boundaries, right-of-way, easements. <br />3. Show location of house, garage, driveway, and all other <br />improvements, existing or proposed <br />4. Shovv location and layout of sewage treatnwnt system. <br />5. Show location of water supply well. <br />6. Dimension all set backs and separation distances. <br />Est11na1ed_ Sewage· _H,~w _i_"_ Gallons per Day (gpd) <br />Nu111hr1 <br />of Typ.-I <br />Bcdrtmm!-. <br />Typ.-II l)•pr 111 Type I\' <br />2 JOO 22:'i 180 f>(I'.< ' 450 100 218 "' 4 6(X) )75 256 the <br />'i 7'i0 450 294 \'.a.lue:_.. <br />Ill (i '100 'i2'i )32 the <br />7 IO'iO 6(Xl 370 ''°"'' X 12(Xl 675 408 cnlunuu. <br />Numher Minimum Minimum <br />Septic Tank Capacily with of Liquid Gamage <br />Bedrooms Capacity Disposal (gallons) (gallons) <br />2 or less 750 1.125 <br />3 or 4 1,000 1,500 <br />5 or 6 1.500 2,250 <br />7 or 8 2,000 3,000 <br />over 9 See fig. C-6 (X J.5) <br />S.1il Ch.u.u-tt•ri~l1<s & Rcquir~:t An!a:. for St!\\·agc T~.ltmcnt <br />f't'fflliallt>n R.llt;' Squ.i,.-t ..... 1 c.u..- <br />Soil Texture f'C"'t"lka J""rd,.,· Mmul~pt"rmch rc-rd;i~• t""..qll.ir.-(mpi) ·- <br />Faster than 0.1• Coarse Sand --------- <br />0.1 to5 Sand 0.83 1.20 <br />0.1 to5 Fine Sand .. 1.67 0.60 <br />6 to 15 Sandy Loam L27 0.79 <br />16 to 30 Loam 1.67 0.60 <br />31 to 45 Silt Loam· 2.00 050 <br />46 to 60 Cla<'.:Loam 2.20 0.45 <br />Slower than 60 ... lay ---(0.24) <br />~ Soil kkl coarse for sewage treatment <br />u~ systems for rapidly ~able soils .. <br />0 Soil having 50o/. or more or (me or very (10~ sand. <br />-• Soil with too high a pem,ntageo!day for . <br />installation of an ingmund standard system. <br />T <br />2 ioohCowr t <br />4 in.ch.Pipe <br />t