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11VLJ1 V I1./UAL )L YVI JC 11U .11Y1C1N I X ikM VYUKI' t1L tl
<br /> FLOW Estimated Sewage Flows in Gallons per day
<br /> A. Estimated I `-e0 gpd I='"
<br /> measured x 1.5= - gpd N ouoffbc
<br /> Type I ;T,vpe >I lYPe III TNe
<br /> SEPTIC TANK VOLUME "
<br /> B. I - /000 gallons 2 ! 300 225 180 60%
<br /> 3 4501 300 218 of the
<br /> 4 600 375 256 values
<br /> SOILS (Site evaluation data) 5 750 450 294 N
<br /> .i
<br /> C. Depth to restricting layer= (0-`-'I 'fd 6'-o° feet I 7 ' I600 370 ' Type 1
<br /> D. Maximum depth of system C-3 ft= I),"'10 30' feet 1 8 1200 j 675 408 i m
<br /> E. Texture L-t-A'- Percolation rate 3%-t MPI IColumns '
<br /> F. SSF ,.-'),o sq ft/gpd
<br /> G. Slope ____% Septic Tank Capacities tin ra lot ss
<br /> Liquid cap:u dy
<br /> Number of Minimum Liquid Liquid capacity with with dssposa1C&
<br /> TRENCH BOTTOM AREA L\1 W`N.`> -- Bedrooms Capacity garbage disposal lift inside
<br /> or less 750 1125 1300
<br /> H. For trenches with fpipe:Sinches of rock below thez
<br /> 1 tK, lox 1500 .txx,
<br /> A x F= J. x •D, =3°/t, s ft of bottom area st>r6 isoo :iso xxxt
<br /> q 7.X or y _°00 1W0 400U
<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 Soil Characteristics and Required Areas
<br /> J. For trenches with 18 inches of rock below the pipe: for Sewage Treatment
<br /> A x F x 0.66= x x 0.66= sq ft of bottom area Percolation Rate in Square
<br /> K. For trenches with 24 inches of rock below the pipe: Minutes per Inch Soil Texture feet per gallon
<br /> A x F x 0.6= x x 0.6= sq ft of bottom area (MPI) per day
<br /> BED BOTTOM AREA Faster than 0.1 • coarse Sand --
<br /> 0.1 to 5 Sand 0.83
<br /> L. For seepage beds with 6 or 12 inches of rock below the pipe; 0.1 to 5 Fine Sand•• 1.67
<br /> 1.5 x A x F= 1.5 x x = s ft of bottom 6 to 15 Sandy Loam 1.27
<br /> q om area 16 to 30 Loam 1.67
<br /> 31 to 45 Silt Loam 2.00
<br /> ROCK VOLUME IN CU FF16thanQ Clay Loan' C
<br /> Slower than 60••• Clay ----
<br /> M. Rock depth below distribution pipe plus 0.5 foot times bottom area: Soil too coarse for sewage treatment
<br /> M=Rock depth+6 inches x Area(H,I,J,L,K) Use systems for rapidly permeable soils.
<br /> ( +0.5 ft)x = cu ft •• Soil having 50%or more of fine sand
<br /> plus very fine sand.
<br /> ROCK VOLUME IN CU YDS ***Soil with too high a percentage of clay for
<br /> N. Volume in cu ft divided by 27 . • installation of an inground standard system.
<br /> M+27=cu yds_+27= cu yds
<br /> ROCK WEIGHT 6 inches 0% teduction*
<br /> O. Cubic yards times 1.4=tons 12 inches=20% Reduction
<br /> N x 1.4=tons x 1.4= tons .18.1nches=34%=R'eduction
<br /> 24 inches :40%:Reduction
<br /> SYSTEM LENGTH *sizing for.gravelless.trench
<br /> P. Select trench width= 3.0 ft
<br /> Q. Divide bottom area by trench width: (I-I,I,J,or K)-P=
<br /> lineal feet /14110,113Waststierig Geotextile Fabric
<br /> . ..2 + 3_D =13a lineal feet N :;Vo.,;.;b0'e.P.4v: }'ox�4! 12"Rock Cover
<br /> �dypQ�p4�}o�.oQ `Qhr.r:r...C4n�•
<br /> Q1. Gravelless Design a�o o`?a, id80. •
<br /> A x F+(3 for 10" pipe,2 for 8"pipe,width of the Chamber) .:-., •241,,o'" :+,°a.;°a
<br /> x + = feet ;64.111:;P.
<br /> .o. �
<br /> 'dot
<br /> •'. a,oi
<br /> D 0 '';,D D�
<br /> IIS rr.%O).... `lA
<br /> ao OQ.yQrr.♦. ♦.•t.•.r.fi•r.r...vp a
<br /> LAWN AREA �f�.•�4w;rww4O'a�r�;a'�idO�'PRaOl
<br /> R. Select trench spacing,center to center= •5 feet b•oawil atod!'11-xoo7o o,
<br /> S. Multiply trench spacing by lineal feet R x Q=sq ft of lawn area a,d oc„,,d ; , ^a.: oy aame
<br /> j?z2 x C, = (vlot) sq ft yd):b';r o•.."'.••xa•.rpc'dYa, 6-24u-Ruck
<br /> giPv oY)o .POparP-•..a03/4-21/2s
<br /> LAYOUT(Use other side) q5:•6' *q1.?',711
<br /> 1.Select an appropriate scale;one square= feet. o•t.i•'P o,iq;�,Q;;c?ob:::-•+Q, �-wao-v\,`•s,•
<br /> 2.Show pertinent property boundaries,right-of-way,easements. d tq �'`'"'rM1too•"."411t;r
<br /> 0'�!,1.q: �P;�O�ODyyAc yp N 'F'1'Yf-
<br /> 3.Show location of house,garage,driveway,and all other 0°� ='"� ••.P.t. •"'°''".`r'
<br /> improvements, existing or proposed 18-36"Width
<br /> 4.Show location and layout of sewage treatment system.
<br /> 5.Show location of water supply well.
<br /> 6. Dimension all set backs and separation distances.
<br />
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