1995-007235 - new septic - Laserfiche WebLink

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S�P _TESTING, INC. Steven B. Schirmers — MPCA Cert. No. 627 951 Katydid Lane NE � St. Michael, MN 55376 • (612) 497-3566 E� � � ,�� September 20 , 1994 Morris Levy 2425 North Shore Drive Orono, Henn. Co. , Mn This On-Site Sewage Treatment System is Designed for a Type 1, four bedroom home Designed in accordance with the Minnesota Pollution Control Agency Chapter 7080 and local ordinances . This site has an existing failing system with surface discharge. The existing tanks may be used upon approval by the local Inspector. The tanks must be water tight or will need to be abandoned, pumped & filled with soil . Approval will be needed for the existing tanks to be 50 ' from a wetland or if new tanks are installed, 35 ' from a wetland. The pumping chamber will need approval for 50 ' . The soils on this site are a loamy sand . A seasonally high water table was located at 86" , (mottled soil ) . The bottom of the system must be located at least 3 ' above the seasonally high water table . A 5tandard Trench System may be installed. The soils at a depth of 30" have a percolation rate averaging . 7 min/inch. Each trench will need to be over excavated a minimum of 12" and be replaced with uncompacted loamy sand. This liner is needed to slow the effluent down for treatment. If drop boxes are used with a minimum of four trenches, this liner is not needed. Recommend drop boxes . A pumping chamber wi11 need to be installed to lift the effluent to the treatment area. The power supply and switches must be located outside the mar►hole and pumping chamber in a we.ather 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 neighboring wells are located greater than 100 ' away from the proposed treatment area . CONT ' D