1989-09-13 Septic System Soil Test Report

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S_P TESTING, INC. 951 KATYDID LANE ST. MICHAEL, MN 55376 497.3566 Steven 3. Sphirmers September 13, i?*W, Duerr Construction 4565 Bayside Rd. Orono, Henn. Co., ,MN This system is Designed for a Type 1, three bedroom home and in accordance with the yinnesota Pollution Control Agency Chapter 7080 and local ordinances. The soils on this site arm typical of SCS soils mapper' - KkB - Kilkenny loam. A seasonally high water table was located at 16", 22", 240, 280, & 36", (mottled soil). due to the seasonally high water table, a pressurized mound system will need to be installed. The bottom of the rock bed must be located at least 3' above the seasonally high water =able. The soils at a depth of 18" have a peri dation rate averaging 11.2 Tin/inch and are adequate For treating .';►tic effluent. The existing_ tanks are old & will need to be abandoned, pump s fill with soil. A Dumping chamber will need to be installed to lift the effluent to the treatment area. The manifold and supply line pipe must have back drainage to the pimping chamber. The distribution pipes shall have their ends capped. Be sure the rock and sand fill material are clean. The sod layer below the entire mounded area must be turned ver, just break up the sod, be sure not to over work. The power supply and swit^!yes must be located outside the manhole and pumping chamber in a weather proof enclosure. A warning device must be installed with a light and sound device, this is in case of a pump failure. (Mercury floats are a good method). All reich5orinq well are located more than 100' away from the proposed treatment area. Keep all heavy equipment off of the proposed treatment area before and after construction as match as possible. The treatment area should be marked off before construction. 'D Soil and Percolation Tests Cont Septic System Design