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Apr-06-98 07rO6A William Htndc-r^son 6.12 404 2299 P-05 <br /> INDIVIDUAL SEWAGE TREATMENT SYSTEM WORKSHEET <br /> D-25 <br /> FLOW Bolas"&wage rw.is o nes. Oey( QS <br /> A. Estimated, d Q gpd Nmb= <br /> measuredr x 1-5- -=—gpd Sedof Ty "1 Type a Type UI Type N <br /> SEPTIC TANX VOLUME <br /> 8. a 1 C�e) t7 gallons 3 :mw 211of <br /> 4 am 375 2s6 06 <br /> SOILS(Site evaluation data) s 9W $25 s s <br /> C. Depth to restricting layer s.o'. ~5 b 5'r� feet 050 6W <br /> i i a73 :O70e <br /> D. Maximum depth of system C-3 ft= • .O ' feet <br /> E. Percolation rate- 4. 9 MPI <br /> F. SSF !,kq sq ft/gpd Q fiber .i. <br /> TRENCH BOTTOM AREA <br /> H. For trenches with 6 inches of rock below the pipe: 2 or teas 730 I'M <br /> A x F o x .�� �Sc3 sq ft of bottom area °� <br /> �� 3 ar 4 1.000 1.5oo <br /> I. For trenches with 12 inches of rock below thei ✓atir.�#�u ' <br /> 13 pe; S a 6 1,500 2,250 <br /> A x F x 0.8: x-x 0,8! ft of bottom area 7 a 8 �Obtl 3ACC <br /> � at+es 9 see fig.Gf, (x 1.5) <br /> ). 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: %MOAN"11" <br /> A x F x 0.6>3..._—x x 0.6= sq ft of bottom area w Yi°� Sad seat <br /> BED B OT1 OM AREAFr a t 0.7' 5"dSwkd <br /> O e3 f 2v <br /> L. For seepage beds with 6 or 12 inches of rock below the pipe; O'eoss Film.�.�, °o O <br /> 79 <br /> 15 x A x F= 1S x x _ _.sq ft of bottom area �utoao , 1267 0.60 <br /> to+s rut L. 5.00 030 <br /> Clay Low 220 <br /> ROCK VOLUMM IN CU FI' 1Oth- <br /> m+io-- QAi� <br /> M. Rock depth below distribution pipe plus 03 foot times bottom area: <br /> M=Rock depth+6 inches x Area(H,I,I,LX) ""'", ►"'Y°" "««....� <br /> (=+03 ft)x ;__cu ft <br /> ROCK VOLUME IN CU YOS <br /> N. Volume in cu ft divided by 27 <br /> M+27=cuyds,+27= - cu yds <br /> ROCK WEIGHT <br /> o. Cubic yards times 1.4=cons 6. ncties*' 1%1!:Rsduction <br /> N x]A tons x IA= --tons ���st�hi tsR r�Q dT1Ct�Cn <br /> DISTRIB[TIION 3t` 40%'Rett=Coon <br /> (Check one based on slope) <br /> sa xtg for a -ess wench <br /> & <br /> Bed(less than 6%slope) <br /> Trenches <br /> Drop boxes(any slope) <br /> Distribution box(level to slightly sloping) <br /> TRENCH LENCTH �?{{r. �'�r?� ;{ � � 1 inoyCova <br /> P. Select trench width= Z-0 <br /> Q. Divide bottom area by trench width: (H,I,),or K)+ri <br /> lirseal feet <br /> f} aincnP9pe <br /> ,o +;s.Q _=lineal feet i+� <br /> LAWN AREA, <br /> R. Select trench spacing,center to center at r'_feet <br /> S. Multiply trench spacing by lineal fent R x Q a sq ft of lawn arm { 6.24 imh <br /> x �__, & sq ft ti . f R Below the P <br /> .{ <br /> LAYOUT(Use other side) <br /> 1.Select an appropriate scale;one square= feet. <br /> 2.Show pertinent property,boundaties,.dght-of-way,easements. <br /> 3.Shvwdopa o�;�llov�et#,gmEe,driveway,and all other <br /> (ittrbge;t> tts e?t3liiri.pro ,3ed _r <br /> 4:, iioci6tt.aS ' t cf a trrsatrttettt system. r .- <br /> 5.,Sliowrlocetiati ostsppty'"" 1: 1 <br /> 6.Dirnettsion all set#sacks and separation distances. iO,,,r,h;;;� Figure D-26 <br />