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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 /> Revised.lanuary 23.2d15 <br /> April 2O.2014 <br /> 7.eb Hancy <br /> ?660 Fox strcct <br /> Orono.Hcnnepin County <br /> This on-site Se�+age Trcattnent System is dcsigned tor a fype I.livc-bcdroom home in accordance�vith the Minnesota <br /> Pollution Control Agency Chapter 7080<►nd local ordinances. <br /> Thc periodically saturatcd soils�vere locate;d at 1 A 28 inches{mouled soil).f)uc to the periodically saturatcd soils,a <br /> pressurized mound system�mill need to be installed to ircat the septic eflluent."I'he bottom of the treatment area must be <br /> located at Icast 3'above the saturatcd soil,. <br /> l�he existing housc is going to bc removed.A new house will bc built. <br /> The site B primary mound rock hed must be split into nvo rock beds using thc cxisting 10'X 27'foo[rock bed and <br /> adciing a 10' X 36'loot rock bed do�vnhill.."Chis s��stcm is desi�ned as a non-Icvcl pressurized muund system using <br /> gare vah-es to equalize the pressure. <br /> Thc absorption areas of thc proposed systems do not overlap. <br /> Thc soils at a depth of 12"have a percolation rate averaging 16 MPI. <br /> All neighboring welis dre locatcd greater than 100'away f�om proposed treatment area. <br /> l he existing septic Wnks at the house must be abandc�ned.A ne�a�2250 gallon split septic tank nuist be installcd. <br /> All tanks need to be insulatcd if there is less than two tect of cover over thc top of the tanks.Clean outs must be <br /> installed on the end of the laterals for maintenance. <br /> A 1300 gallon Darwin precast pumping chamber mutit be installed to lift the eftluent to thc trcatment area.Thc po�ver <br /> supply and switches must be locatcd outside the munhole and pumping chamber in a�ticathcrproof enclosurc. A <br /> warning device must be installcd�vith liaht and sound devices;this is in case of a pump failure."I'he manitbld and <br /> supply linc must have back drainage to the pump chambcr. <br /> Kcep all heavy equipment off of the proposed treatment areas before,during and after construction <br /> With proper installation and maintenance.this system should have no problem in treating septic cftluent el�fectivch�. <br /> l�othing other than gray water,(laundry,sho�+crs.ctc.)lluman water and toilet tissue should bc disposed of into the <br /> sepuc tanks.Garbage disposals are not recommended.Additives must not be uscd;they may causc harmful damage to <br /> your septic system. It is recommended that you pump tanks every t«�o years. <br /> Sincerc,J�j�, <br /> .,''� <br /> /� �_...-------__-- <br /> � <br /> � Joseph J.Olson <br />