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INDIVIDUAL Sl:%VAGl:'I'RL•A'I'MENT SYSTEM WORKSIME`1' <br />LAYOUT (Use other side) <br />1. Select an appropriate scale; one square = feet. <br />2. Slow pertinent property boundaries, right-of-way, casements. <br />3. Slaw location of house, garage, driveway, and all other <br />improvements, existing or proposed <br />4. Show location and layout of sewage treatment system. <br />S. Shaw location of water supply well. <br />6. Dimension all set backs and separation distances. <br />D-25 <br />Gwrtd Se -age rkm 0 GA -0 ps Dq (sr." <br />FLOW <br />A. <br />Estitnatctl (,.00 glxl Cit-�,rc.:.,vc}K LtA1:t►1� <br />r�F•tter <br />measured ---- x 1-r- gpd �tv �- y s•..1)es <br />erg <br />SEITIC TANK VOLUME <br />It. <br />_ - Jno p gallons. <br />Type IV <br />SOILS (Site evaluation data) <br />C. <br />Depth to restricting layer = 51-(.4'(0 1. -(." feet <br />D. <br />Maximum depth of system C - 3 ft = 'A . S S feet <br />E. <br />Percolation rate P�- C. _ MPI <br />F. <br />SSF /,b7 sq f /gpd <br />ata <br />TREN =11 BOTTOM AREA <br />It. <br />For trenches with 6 inches of rock below the pipe: <br />212 <br />A x F = (&Q_ x 4th =/V_& sq ft of bottom area <br />1. <br />For trenches with 12 inches of rock below the pipe: <br />315 <br />AxFx0.8=,_x__x0.8=_.sghofbottom area <br />I. <br />For trenches ,with 1S inches of rock below the pipe: <br />150 <br />AxFx0.66= x x0.66=_sq It of bottom area <br />K. <br />For trenches with 24 incites of rock below the pipe: <br />6 <br />AxFx0.6= x_x0.6-._sgftofbottom area <br />523 <br />BED BOTTOM AREA <br />L <br />For seepage beds with 6 or 12 inches of rock below the pipe; <br />luso <br />15xAxF= 1.5x_x_-_sgftofbottom area <br />370 <br />ROCK VOLUME W CU FT <br />M. <br />Rock depth below distribution pipe plus 05 foot times bottom area: <br />675 <br />M =Rock depth + 6 inches x Arca (H,I,I,L,K) <br />(—+05fl) x_= cu ft <br />ROCK VOLUME W CU YDS <br />N. <br />Volume in cu ft divided by 27 <br />h1+27=cu yds _+27=_cuyds <br />ROCK WEIGHT <br />O. <br />Cubic yards times 1.4 = tons <br />NxIA=tons x1.4=_tons <br />DISTRIBUTION <br />(Check one based on slope) <br />_ <br />Bed (less than 6% slope) <br />Trenches <br />_ Drop boxes (any slope) <br />Distribution box (level to slightly sloping) <br />TRENCH LENGT1f <br />P. <br />Select trenchwidth = �3,0_ It ° 10u-64- <br />0o-A.Q. <br />Q. <br />I)ivide bottom arra by trench width: (11, 1, I, or K) + P= <br />lineal feet <br />Its + ,? =Mj lineal feet <br />LAWN AREA <br />R. <br />Select trench spacing, center to center - jo• feel <br />C <br />t h111irIv trench --i in^ by line feet R x 0 - s9 ft of I.n,•n arca <br />I <br />- -- %. -- — -- _' sq It <br />LAYOUT (Use other side) <br />1. Select an appropriate scale; one square = feet. <br />2. Slow pertinent property boundaries, right-of-way, casements. <br />3. Slaw location of house, garage, driveway, and all other <br />improvements, existing or proposed <br />4. Show location and layout of sewage treatment system. <br />S. Shaw location of water supply well. <br />6. Dimension all set backs and separation distances. <br />D-25 <br />Gwrtd Se -age rkm 0 GA -0 ps Dq (sr." <br />MMYc.ma. <br />�(r <br />C.�.�� <br />Iledrooms)) <br />r�F•tter <br />erg <br />Type 1 <br />T)pr 0 <br />Type 01 <br />Type IV <br />Ik&oM4 <br />5 or 6 <br />1.500 <br />2.250 <br />7 or 8 <br />2 <br />300 <br />223 <br />110 <br />ata <br />3 <br />450 <br />300 <br />212 <br />• <br />a <br />rao <br />315 <br />256 <br />•� <br />5 <br />150 <br />450 <br />294 <br />6 <br />900 <br />523 <br />332 <br />re <br />7 <br />luso <br />600 <br />370 <br />•�� <br />t <br />1200 <br />675 <br />409 <br />Natnba <br />Of <br />MMYc.ma. <br />�(r <br />C.�.�� <br />Iledrooms)) <br />r�F•tter <br />2 or less <br />750 <br />1.125 <br />3 or 4 <br />1.000 <br />1.500 <br />5 or 6 <br />1.500 <br />2.250 <br />7 or 8 <br />2.000 <br />3.000 <br />over 9 <br />See fir. C.6 <br />(x 1.5) <br />6 inches= 0% Reduction" <br />12 inches= 20% Reduction <br />18 inches= 34% Reduction <br />24 inches= 40% Reduction <br />• sizing for gravelless trench <br />6-24 inch <br />Below the <br />11 <br />3�t <br />o <br />tti %.o 1. <br />uvavw. Figu►c D-26 <br />Z)m" <br />n...t.... <br />Uv <br />r�F•tter <br />a" <br />nd <br />— <br />1%05 <br />0� <br />110 <br />.1bsW- <br />t;� <br />1p <br />O4O <br />ttoIS127 <br />010 <br />16to30 <br />167 <br />Oj0 <br />31to4S <br />200 <br />030 <br />Kto40a <br />210 <br />0.45 <br />S.a 1r'wa tat � ww � twr � wf V rl <br />6 inches= 0% Reduction" <br />12 inches= 20% Reduction <br />18 inches= 34% Reduction <br />24 inches= 40% Reduction <br />• sizing for gravelless trench <br />6-24 inch <br />Below the <br />11 <br />3�t <br />o <br />tti %.o 1. <br />uvavw. Figu►c D-26 <br />Z)m" <br />