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J:MC, 0 HOMS <br />Svstem 14sign <br />le percolation Rate, Type of System <br />10.4 minutes p-tr inch. Shallow trench system. <br />2. Prono -.ad ' 1 ow Rato ajt <br />3 be -:r.ls U 150 G.P.D. : 450 G.P.D. 41 ISJe = 600 5 JJ <br />3. moil Treatment Area Required <br />Use factor of 1.61 times- 750 or-q50 sq, ft, of area. <br />r <br />� � 00 /000 <br />-size and Pumbe of Trenches. <br />Use trenches 100 feet long and 2.5 feet wide for the required <br />aroa. Tronoheo should be spaced at least 7 feet center to center. <br />14 <br />. Rook 3e uui re d <br />For 6 inches of rook below the pipe and 2 inches over the 4 inch <br />pipe '38cubic yards of rook would be required. <br />6. :optic Tanks Required <br />Two tanks should be used and be of at least 1000 gallon capacity. <br />"In addition, the second tank should have a pumping compartment to <br />allow for installation of a liquids pump to distribute the efflu- <br />ant to the higher drainfield area. <br />