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System Desif^n <br />tot ?., Plock 1 <br />tiTRCWIIOr.D <br />» <br />)|-11-R]| <br />1. Percolation R>.tc, Type or Syst-eiu, <br />2S'»0 nlnutes per Inch. St indunl System. <br />2. ££2L££5^.^i£SlL-2;i^£i % <br />4 bedrcoms (• 150 O.P.D. Is 600 O.P.D. <br />3. Soil Treatment ».rea Reguii ‘e*»ir <br />2.0 percolntion fHctrr x 600 fJ.r.D. is l.’OO So. Pt. of <br />trench bottom arc L, <br />4. Size •.n«i Number of Trerxcl-es. <br />4 trenches 3 feet wide -.nff lOO feot Torij ’; is 1200 Sq. Pt. <br />•niese trenches would be sof.ced i mintimim of 7*5 feet apurt <br />center to center, or possibly P <rther ip in; in order to <br />nilas aome trees. <br />t <br />5. Dralnfleld Rock Needed. <br />66.7 cubic yurda of rock la needed to have 12 Inches under <br />and 2 Inches over a 4 inch distribution pifc. <br />6. Septic Tanks. <br />2 tanks each of ut least 1000 gallons are needed along with* <br />a third pumping tank .uid a pump in order to deliver the ef­ <br />fluent to tije higher drainfield ..rca, An ..lurm device should <br />also be used to warn of any pump failure. <br />7*. Additional Information. <br />Since the druinfield area is on a higher area, probably no <br />extra measures are necessary in order to •divert runoff wat­ <br />er from the site. Another area equal in size to the prop­ <br />osed drainfield area must be left undisturbed in order to <br />alternate site should it ever be heeded for additional trenches. * <br />Sincerely, <br />FERCOR, INC. <br />Mark S. Gronberg, f^E.