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coo <br /> Joseph Olson D.B.A. <br /> Rusty Olson's--Soil and Percolation Testing <br /> Joseph J. Olson--MPCA License #810 <br /> 11481 Riverview Rd. NE, Hanover, MN 55341 <br /> (763) 498-8779 fax (763) 498-8290 <br /> NEW FUTURE SITE FOR THE EXISTING HOUSE. <br /> February 13,2018 <br /> Scott Knutson <br /> 795 Ferndale Road N <br /> Orono, Hennepin County <br /> This on-site Sewage Treatment System is designed for a future Type I five-bedroom home in accordance <br /> with the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> Keep all heavy equipment off the existing and new future septic sites. <br /> The periodically saturated soils were located at 18-22 inches(mottled soil). Due to the periodically <br /> saturated soils,a pressurized mound system with 6 inches of rock will need to be installed to treat the septic <br /> effluent. The bottom of the treatment area must be located at least 3' above the saturated soils.This system <br /> is designed with 6 inches of rock <br /> All neighboring wells are greater than 100' from proposed treatment areas. <br /> The soils at a depth of 12"have a percolation rate averaging 12 MP1. <br /> If the future site is ever used the septic tanks will need to be certified before they could be used. <br /> The existing lift station is less than 10 feet from the proposed addition.A variance may be needed. <br /> Nothing other than gray water,(laundry,showers,etc.)Human water and toilet tissue should be <br /> disposed of into the septic tanks. Garbage disposals are not recommended. Iron filters cannot go into <br /> the system Additives must not be used; they may cause harmful damage to your septic system. It is <br /> recommended that you pump the tank every year for 1 tank,every two years for two tanks. <br /> Sincerely, <br /> Joseph J. Olson <br />