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•�' INDIVIDUAL SEWAGE TREATMENT SYSTEM WORKSHEET ' <br /> FLOW Estimated Sewage Flows in Gallons per day <br /> A. Estimated '-i-!9,0 gpd (gpd) <br /> n measured x 1.5= gpd Number <br /> SEPTIC TANK VOLUME of Type I Type 11 Type M Type <br /> B. 1 - So gallons-TVr�sVa -c"v il P Bedrooms l� <br /> 2 300 225 190 <br /> SOILS(Site evaluation data) 219 0% <br /> 4 4650 370% <br /> 256 611'sC. Depth to restricting layer= 34 --b -10 feet- 5 750 450 294 in <br /> D. Maximum depth of system C-3 ft= I • 55 feet 6 900 525 332 'r t. <br /> E. Percolation rate 9 . 01 MPI LSU ,Lc —Y" g 12000 6670 37 a.io <br /> �. t.ta <br /> F. Soil Sizing Factor .a sq ft/gpd(See table 3) <br /> TRENCH BOT'T'OM AREA <br /> H. For trenches with 6 inches of rock below the pipe: sepete Tank Crlaeltie�,it ealleaa <br /> A x F= x = eq ft of bottom area Number Min�tt.sa0id saa�sle capacity � <br /> I. For trenches with 12 inches of rock below the pipe: <br /> A x F-x 0.8=14--�o x_2.L x 0.8==sq ft of bottom area(.a �'�'K 2 or t«: 750 .1125 <br /> J. For trenches with 18 inches of rock below the pipe: 4 or 6 1500 12'250 <br /> A x F x 0.66= x x 0.66=,sq ft of bottom area 7.8 or 9 2000. 30°° <br /> K. For trenches with 24 inches of rock below the pipe: <br /> AxFx0.6= x x0.6= sgftofbottomarea <br /> BED BOTTOM AREA <br /> L. For seepage beds with 6 or 12 inches of rock below the.pipe; <br /> 1.5 x A x F=1 S x x = sq ft of bottom area Sall Charaetartstles and Ralalred Amus <br /> rar Sewage Treatment <br /> ROCK VOLUME IN CU IT PamWm Rata in squaw oma. <br /> M. Rock depth below distribution pipe plus 05 foot times bottom area: Miinm= tnah SWTexme raw par per my ` <br /> -� M=Rock depth(ft)+6 inches x Area (H,1,J,L or K) a•da per agww <br /> (ltd ft+0.5ft)x6qL= °►3D cu ft <br /> Fonar thin OJ• Carsa Sand <br /> ROCK VOLUME IN CU YDS 0.1 w5 Sand 0.9 _ <br /> 3 1.20 <br /> N. Volume in cu ft divided by 27 <br /> 0.1 o lS lad,isnida.m 1'277:67 0." <br /> M+27=cuyds�+27= cu yds 31ttoo45 sikt�.a.tn "(2.00 0 o <br /> ROCK WEIGHT 46 to 60 Cls t.oam � 0.45 <br /> O. Cubic yards times 1 A=tons away than 60•« �1.r -- •--- <br /> Nx1.4=tons�xl.4=tons <br /> DISTRIBUTION <br /> (Check one based on slope) T <br /> ) r•r•r•r•r. . . . . . . .. <br /> Trenches r <br /> Bed(less than 696 slope •� •..ti.ti•ti•ti•ti•ti•ti•ti•ti•ti•+• <br /> r r•r r•r•r r r r r r r2incht over <br /> .;ti ti {ti. <br /> Trenches r r•r.r•rrrrrrrrr <br /> .ti.ti ti ti ti. <br /> r•r•r•�• r;r•r•r•r <br /> Drop boxes(any slope) ,tirti;tirti �rtirtirtir <br /> Distribution box(level to slightly sloping) r•r•f• f•f•f•r 4 inch Pipe <br /> ,. t. <br /> r•r.r. r•r•r+r <br /> TRENCH LENGTH •tirtirtirtirti• rtir•r.r•r <br /> L•ti•.`• <br /> r•r•r•r•r•r•�•r•r•r•r•r•r <br /> P. Select trench widthto _ft .''.`+`.`•'`.�.� `.'•`•'•~•�• �� <br /> r•r•r•r•r•r•r•r•r•r•r•r•r <br /> ti•ti•ti•'L•ti•L•ti•ti•ti•M1•5�•t•4• <br /> Q. Divide bottom area by trench width: (H,1,1 J or K) P f•r•r.r•r•r•r•r•r•r•r.r.r•r <br /> r•r•r•r•r•r•r•r•r•r•r•l•r 6-24 Inch <br /> •ti•ti ti ti•4.1•S•L•�.•1•ti•ti•4• <br /> lineal feet r•r•r•r•r•r•r•r•r•r•r•r•r Rock Below the Pi <br /> r•r•r+r•r.r•r•r.r•r•r•r•r i <br /> (�+.�'.�,=lineal feet •:•~ -~ ~•~.~•~.~•~.~•:'~• <br /> r•r•r•f•r•r•r•r•r•r•r r•r <br /> LAWN AREA •�•�•�•+.ti.ti.ti.ti.ti.ti.•..ti•ti. <br /> r•r•r•r•r•t•r•r•r•r•r r•r <br /> ••�.ti,.yt 1.•1•�•'1.•ti•1.1•ti•'ti• <br /> R. Select trench spacing,center to center as feet •r•r•r•r•r•r•r•r•r•r.r•r•r <br /> S. Multiply trench spacing by lineal feet R x Q=sq ft of lawn area <br /> x =-._,_sq f t <br /> LAYOUT(Use other side) <br /> 1.Select an appropriate scale;one square= feet. <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.Show locnHon and layout of sewage treatment system. <br /> 5.Show location of water supply well. <br /> 6.Dimension all se!backs and separallon disiances. <br />