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REVISED SITE EVALUATION REPORT for Lot 4,Block 1,Kokesh Fann <br /> Sewage Treatment System Page 4 <br /> Sandy loam soil shall be placed on the filter material to a depth of 12 inches in the center of the mound and <br /> to a depth of 6 inches at the sides. <br /> Six inches of topsoil shall be placed on the fill maxerial over the entire area of the mound. A grass cover <br /> shall be established over the eirtire area of the mound. No shrubs shall be planted on the top of the mound. <br /> Shrubs may be placed at the foot and side slopes of the mound. <br /> The side slopes of the mound will be 4 feet horizontal to 1 foot vertical(4:1). This gentle slope will allow <br /> easy mowing of the grass cover. The soil material at the toe of the dike should be slightly less permeable <br />. or somewhat tighter than the natural soil below the mound. This can be accomplished by selecting a finer <br /> soil or by compaction. <br /> Whenever mounds are located on slopes, a diversion shall be constructed immediately up slope from the <br /> mound to intercept and divert runoff. <br /> PiJMP AND COLLECTION TANK: <br /> A pump shall be used to deliver effluent to the mound. The pump sha11 be cast iron or bronze fitted with <br /> stainless steel screws or constructed of other sound, durable and corrosion resistant materials. <br /> The pump installed will need to deliver 66.6 gallons per minute with a hea.d of at least 35 feet. An alarm <br /> device shall be installed to warn of pump failwe. Install the pump control and a Meyers,Model D.L.V. <br /> Audio Visual, Lo-Voltage alarm system or approved equal in a conspicuous place at the direction of the <br /> owner. <br /> Dosing Volume=25%of 750 g.p.d. = 188 gallons. <br /> DRAINFIELD ROCK REOUIRED: <br /> Based on 12 inches of rock, 27.8 cubic yards of rock would be required. <br /> �AND REOUIRED: <br /> Approxima.tely 174 cubic yards of clean sand for under mound is needed. <br /> TE • <br /> A. Please see site plan layout. <br /> B. Typical sections for construction follow. <br /> C-7 E-3 E-4 E-6 E-12 F-7 <br /> PROPOSED ELEVATIONS: <br /> Top Foundation = 1021.0 <br /> Basement Floor = 1013.0 <br /> Top of 18` Septic Tank = 1010.0 <br /> Top of 2°� Septic Tank = 1009.5 <br /> Top of Pump Tank = 1009.0 <br />