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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 ORONO WPIF <br /> May 2,2008 <br /> Dick Slakstvedt <br /> 350 North Shore Drive <br /> Orono,Hemmepin County <br /> This on-site Sewage Treatment System is designed for a Type I three-bedroom home is accordancewith <br /> the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> The seasonally saturated soils were located at 14"-20"(mottled soil).Due to the seasonally saturated soils,a <br /> pressurized mound system will need to be installed to treat the septic effluent-The bottom of the treatment <br /> area must be located at least 3'above the saturated soils, <br /> All neighboring wells are greater than 100 feet from proposed treatment areas. <br /> The soils at a depth of 12"have a percolation rate averaging I 1 MPI. <br /> The existing septic system does not conform to the state code chapter 7080. ORONO <br /> COpy <br /> The existing tanks must be abandoned_ <br /> All new tanks need to be insulated and filters installed.Clean outs must be installed on the end of the <br /> laterals for maintenance. <br /> The supply line must be insulated and sleeved under the driveway. <br /> A pumping chamber will need to be installed to lift the effluent to the treatment area_ The power supply and <br /> switches must be located outside the manhole and pumping chamber in a weatherproof enclosure. A <br /> warning device must be installed with light and sound devices;this is in case of a pump failure.The <br /> manifold and supply line must have back drainage to fire pump chamber.The rock and fill materials must <br /> u clean.'tote sod Layer below dee entire mounded area must be turned over.Just break up the sod and be <br /> sure not to over worts. <br /> NOth ing Other than 2 ray water,flaund showe etc. Herman water and toilet tissue should be <br /> disposed of into the se tic tanks Carta a di4 is are not recommended. Additives roust not be <br /> 'reed" th MAVcease barmfu[ eta our "c s stem. Itis recommended that ou um the <br /> tank every Year for 1 tank,every two Yeats for two tanks. <br /> Sincerely, <br /> �iYt _ ( O <br /> Joseph J.Olson ORONO COPY 09M PERti1i"i ON RELnL <br /> WF1l%IIT NO.iimrrrenRRVtiCCION9 AS NOTFO <br /> COP,O.C:T&RF.SCBMiT <br /> icec;olppr1 00 for <br /> your inf atiiwa All work shall be 4" <br /> in full compliance�ell cable septic and zoning cu& <br /> iirements including ilei not specifically noted in thin eel*% <br /> P NUS PLAN SFT SITE AT ALL TIMES <br /> t 'd <br /> 0Lb9 ZL-� 2S6 spooA aalignr e86 :80 80 Ta ReW <br />