2017-00696 - septic new/replacement

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VS– `STING, INC. Steven B. Schirmers — MPCA Cert. No. 627 951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 August 16 , 1995 Tim Adams Lot 19 , Block 1 The Farm at Long Lake 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 . The soils on this site are a loam & clay loam. A seasonally high water table was located at 12" to 18" (mottled soil ) . Due to the seasonally high water table, a Pressurized Mound System will need to be installed to treat septic effluent. This site is very limited for space available for placement of an On-Site Sewage Treatment System. The primary site has soils in the northeast corner of the system which have been compacted approximately 8" deep. With the percolation rate, the absorption area will be on original soil . With the 4 : 1SS, the toe of the mound will over lap the compacted soils. Recommend this area to be turned over 12" deep to loosen up the compacted soil . The Future Expansion area will need a setback of 10 ' from the west property line which. is the upslope toe of the mound, this setback will need approval by the City Inspector. The soils at a depth of 12" have a percolation rate averaging 10. 8 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. CONT' D