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The soils at a depth of 12" into the original soil have a percolation rate averaging 5.1 <br /> mpi. The soils were frozen approximately 24" deep. The frost was removed by applying <br /> heat approximately 30" below grade for approximately 96 hours. <br /> The existing tanks consist of 2-1000 gallon holding tanks & 1-1000 gallon pumping <br /> chamber. State and local code requires a minimum of 2250 gallons holding tank <br /> capacity with a garbage disposal. This will require the existing pump tank to be used for <br /> an additional holding tank and a new pump tank installed, 1250 gallon minimum. The <br /> existing tanks will need to be water tight and approved by the local Inspector. The <br /> existing pump may be used but must meet a minimum of 51 gal/minute and 28' of head <br /> pressure. <br /> The manifold and supply line pipe must have back drainage to the pumping chamber. <br /> The distribution pipes shall have their ends capped. Be sure the rock and sand fill <br /> material are clean. The sod layer below the entire mounded area must be turned over, <br /> just break up the sod, be sure not to over work. <br /> All neighboring wells are located greater than 100' away from the proposed treatment <br /> area. <br /> Keep all heavy equipment off of the proposed treatment area before and after <br /> construction. The treatment area should be marked off before construction. This <br /> Design is not valid & the system will need to be relocated if failure to protect the areas <br /> proposed for On-Site Sewage Treatment occurs. <br /> With proper installation and maintenance, this system should have no problem in <br /> treating septic effluent effectively. <br /> Nothing other than human waste, toilet tissue, laundry, showers, water softener etc. <br /> should be disposed of into the septic tanks. Iron filters must be diverted out of the <br /> system. Garbage disposals are not recommended, due to adding more solids & fine <br /> solids passing through to the system. Excessive amounts of soaps, anti-bacterial <br /> soaps, cleaning agents & chlorine agents may kill the bacteria needed to treat septic <br /> effluent. Additives are not recommended. Recommend to pump & clean your tanks <br /> through the manhole by a certified pumper every 2 years. Check with your pumper to <br /> set up a schedule. <br /> Steven B. Schirmers <br /> 2 <br />