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S-P �TESTING, INC. Steven B. Schirmers — MPCA Cert. No. 627 <br /> 951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 <br /> June 12 , 1992 <br /> Dave Peterson <br /> 2625 Fox Street <br /> Orono, Henn. Co. , MN <br /> This On-Site Sewage Treatment System is Designed for a Type 1, three <br /> bedroom home in accordance with the tilinnesota Pollution Control <br /> Agency Chapter 7080 and local ordinances . <br /> This site has an existing failing system with suface discharge. A <br /> site evaluation was completed with soil borings indicating a <br /> seasonally high water table from 12" to 46" deep. To adequately <br /> treat septic effluent, a Pressurized �4ound System would need to <br /> be installed. This site has slopes greater than 6$ up to 20� . <br /> City Codes require a mound to be located on slopes of 6$ or less . <br /> State code will allow greater slope but this will require area <br /> greater than what is available on this site . The on]y system that <br /> will meet codes would be holding tanks with the effluent hauled <br /> off site. At todays prices this will cost approx. $3600 . 00 to <br /> $4000 . 00/year with low water use facilities installed throughout <br /> the house. <br /> A request for an alternative system is needed. A Class 1 Aerobics <br /> Treatment system, Multi-Flo Wastewater Treatment System is <br /> available with shallow trenches 18" deep. The system requires <br /> to be serviced 2 times a year. A 2 year service contract comes <br /> with the purchase of the unit. After the 2 year period, the <br /> Home Owner will be required to carry a service contract at a <br /> cost of $100 . 00/yr. (1992 ' s price) with a report to the City, <br /> MPCA, Multi-Flo & the Home Owner. The Multi-Flo unit will be <br /> Model FTBO .b . These systems treat the BOD & TSS with a removal <br /> of 96$ to 98� & Virus removal is greater than 99$ . To install <br /> the Multi-Flo unit a lift pump will be needed in th� lower level <br /> to keep the tanks shallow. A 500 to 750 gallon septic tank will <br /> need to be installed as a trash trap ahead of the unit. <br /> An area east of the house is to be protected for future use. This <br /> would be a mound system for approx. 200 gal/day which is approx. <br /> 50� reduction in water use. If this site is used, the well will <br /> need to be relocated. <br /> All neighboring wells are located greater than 100 ' away from the <br /> proposed treatment area & 50 ' away on this site. <br /> CONT ' D <br />