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1 ti <br /> SEPTIC SYSTEM DESIGN <br /> DESIGN CRITERIA; <br /> Existing 3 bedroom type 1 single family home with a garbage disposal currently <br /> used as a guest house without a garbage disposal. <br /> WATER USAGE; <br /> 450 gallons per day m�imum• <br /> PERCOLATION RATE; <br /> 13 minutes per inch. <br /> SEPTTC TANK; _ <br /> _ <br /> Pump collapse and fill existing. Install a 1,500 gallon double compartment sept�c <br /> tank. Please see detail. <br /> Notes: Tanks require pumping once every three years. <br /> pUMP CHAMBER; <br /> Install a 1,000 gallon precast tank. Set as specified. <br /> Notes: An event counter required. <br /> DRAINFIELD; <br /> Treatment Mound,Pressure distribution required. Located on 5% slope. Total <br /> mound area is 45 feet wide by 62 feet long. Rock bed measures 10 feet by 3 8 <br /> feet. Downslope dike width is 23 feet,upslope dike width is 12 feet and the end <br /> dikes are 12 feet. 220 Tons of sand required. Please see detail. . <br /> GENER.AL CONSTRUCTION PRACTICES; <br /> Divert all surface water away from the dra.infield azea. Do not disturb the <br /> drainfield area during construction. Fence off the drainfield area before permit <br /> � application. If there are any questions regarding this design please conta.ct Tom <br /> Klanchnik at(952) 758-6278. <br />