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� M , � iJ�� TESTING� 11� C. Steven 8. Schirmers — MPCA Cert. No. 627 951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 November 15 , 1995 Dennis Platteter 809 No. Brown Rd . Lot l, �31ock 1 Orono, Henn . Co. , MN This On-Site Sewage Treatment System is Designed for a Type 1, five bedroom home Designed in accordance with the Minnesota Pollution Control Agency Chapter 7080 and local ordinances . The soils ,on thi.s site are a clay loam. The seasonally saturated soils were located at 12" to 24" below the ground surface. Due to the seasonally saturated soil , a Pressurized Mound System will need to be installed to treat septic effluent. This site has an existing Non-Conforming System with the bottom less than 3 ' from mottled soil . The existing tank may be used if water tight, if new construction the existing tank will need to be abandoned, pumped & filled with soil . The soils at a depth of 12" have a percolation rate averaging 15 . 5 min/inch. A pumping 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 pumping 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 over, just break up the sod , be sure not to over work. The power supply and switches 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 . All neighboring wells are located greater than 75 ' away from the proposed treatment area . Keep all heavy equipment off of the proposed treatment area before and after construction. The treatment area should be marked off before construction. This Design is not valid & the system will need to be relocated if failure to protect the areas proposed for On-Site Sewage Treatment occurs . CONT' D