2001-P04408 - new septic system - 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 • (763) 497-3566 FAX (763)-497-5011 State License#394 Revised September 17, 2001 July 21, 2001 CITY OF ORONO SEPTIC PERMIT REVIEW INSPECTOR DATE 9-Lk 6 I PERMIT NO. .I� APPROVED AS SUBMITTED Charles Phelps APPROVED WITH CORRECTIONS AS NOTED 385 Turnham Rd. NOT APPROVED-CORRECT&RESUBMIT These comments are for your information. All work shall be done Orono, Henn. Co., MN in fall compliance with all applicable optic and zoning code. Requirements including items not specifically noted in this review. UP TNU PLAN U?ON NTR AT ALL TihM This site has an existing on-site sewage treatment system which has been classified as failed by the City of Orono. The existing tanks will need to be abandoned, pumped and filled with soil. This on-site sewage treatment system is designed for a Type 1, four bedroom home, in accordance with the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. The soils on this site are a clay loam. The seasonally saturated soils were located at 24" & 28" (mottled soil). Due to the seasonally saturated soils, a Pressurized Mound System will need to be installed to treat septic effluent. The bottom of the rock must be located at least 3' above the saturated soils. The soils at a depth of 12" have a percolation rate of 13.3 mpi. An addition is proposed for the house. If there is a full basement, a lift pump will be needed in the lower level to flow gravity to the existing flow line. Approximate elevation at the new addition is 94.9. A pumping chamber will need to be installed to lift the effluent to the treatment area. 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. 1