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1 , <br /> SITE EVALUATION REPORT <br /> for Bob Morlock <br /> Sewage Treatment System page- 2 <br /> GENERAL INFORMATION: <br /> This design is for a Type 1, 5 bedroom home and is in accordance with the Minnesota Pollution Control <br /> Agency Standards and Local Ordinances. <br /> A seasonally high water table was evidenced at 18 inches of depth in Soil Boring 4. The slope is about <br /> 5%. <br /> The soils at a depth of 12 inches in Test Hole 8 have an average percolation rate of 30 minutes per inch. <br /> All neighboring wells are located more than 100 feet away from the proposed treatment area. <br /> NOTES: <br /> Keep all heavy equipment off of the proposed treatment area before and after construction as much as <br /> possible. The treatment area should be marked off before construction. <br /> With proper installation and maintenance this system should have no problem in treating septic effluent <br /> effectively. It is recommended that the septic tanks be pumped every 2 years. <br /> MOUND SYSTEM: <br /> Flow: 5 bedroom= 150 gallon/day/bedroom 150 x 5=750 gallons per day(GPD). <br /> 750 GPD x 1.00=750 square feet. <br /> 10 foot wide rock bed 75 feet long=750 square feet. <br /> CONSTRUCTION EOUIPMENT: <br /> A rubber-tired tractor may be used for plowing or disking to prepare the soil surface,but in no case shall <br /> a rubber-tired tractor be used after the surface preparation is completed. A crawler or tract type tractor <br /> shall be used for mound construction. <br /> SOIL SURFACE PREPARATION: <br /> The discharge pipe from the pump to the mound area shall be installed prior to soil surface preparation. <br /> The trench excavated to install the discharge pipe shall be carefully backfilled and compacted to prevent <br /> seepage of effluent. <br /> The total area selected for the mound, including that under the dikes, shall be roughened in order to <br /> thoroughly break up any existing sod layers and to provide a suitable transition zone between the original <br /> soil and sand layer of the mound. The area shall be roughened only when the moisture content of the soil <br /> 8 inches below the surface is drier than the plastic limit. <br /> Surface preparation or roughening may be performed with a mold board plow, a disk plow, or a back hoe <br /> using only the teeth. Mold board plow furrows shall be at least 8 inches deep, shall.be thrown up slope <br /> and shall run perpendicular to the slope. There shall be no dead furrow under the mound. <br />