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MOUND SPECII.ICATIONS <br /> • Rock to be 3/4"-2 1/2"(clean). <br /> • A minimum of 12 inches of clean washed ,and fill for separation needed. <br /> • Rock bed size 75'X 10'. • <br /> • 34 tons or 24 cubic yards of rock needed. <br /> • 30'of downslope dike width at a 4:1 :dope. <br /> • 8'of upslope dike width at a 4:1 slope. <br /> • Mound over-all size at basil(grade) is 97'long X 48'wide. <br /> • Total mound height at downslope side of rock bed is 4.5'. <br /> • 12"of loamy cover plus 6"of topsoil over 12"of rock- 18"total cover over top of rock bed. <br /> • 255 yards of clean washed sand for fill soil under rock bed. <br /> • Seed or sod mound immediately to prevent erosion. Small shrubs or flowers are also <br /> acceptable around perimeter or base of mound. <br /> PRESSURE DISTRIBUTION SYSTEM <br /> • 3 laterals with 25-7/32"perforations per lateral at 3'on center. <br /> • Total of 75-7/32" perforations <br /> • Use 2"pipe for laterals. <br /> • Use 2"pipe for manifold. <br /> PUMP SYSTEM <br /> • 4 doses per day at 233 gallons per dose(including drainback). <br /> • Pump must be selected to deliver at least 42 GPM with at least 20 feet of total head. <br /> • Minimum of 1/2 horse pump recommended. <br /> • Reuse 2- 1000 gallon septic tanks. **(add 1-new 1000 gallon septic tank) <br /> • 1500 gallon pumping tank. <br />