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Rusty Olson's--Soil and Percolation <br /> 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 /> December 29,2010 ORONO COPy <br /> Tom Micheletti <br /> 519 Ferndale Road N. <br /> Orono,Hennepin County <br /> This on-site Sewage Treatment System is designed for a'I'ype I,Pour-bedroom home in accordance with the <br /> Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> The periodically saturated soils were located at 12-17 inches(mottled soil). Due to the periodically <br /> saturated soils,a pressurized mound system will need to be installed to treat the septic effluent. The bottom <br /> of the treatment area must be located at least 3' above the saturated soils. <br /> Due to limited space.The mound rock bed must be split into two 25 foot rock beds. <br /> 7'he absorption area orthe proposed system does not overlap the existing system. <br /> This svstem is designed with duel rock beds using non-level pressure distribution See desian sheets Use 1/4 inch <br /> perforations on the laterals.See design sheets. <br /> There may be a possibility oran other svstem being desiened east of the driveway in the spring afier the snow melt. <br /> The soils at a depth of I 2"have a percolation rate averaging 18 MPI. <br /> AI►neighboring wells are located greater than 100'away from proposed treatment area. ORONO COPY <br /> The property line must be identitied prior to the installation of the sys[em. <br /> T'he existing shed has no foundation or floor and must be removed. <br /> A pumping chamber will need to be installed to lift the ei�luent to the treatment area.The power supply and switches <br /> must be located outside the manhole and pumping chamber in a weatherproof enclosure.A warning device must be <br /> installed with light and sound devices;this is in case of a pump failure. <br /> The manifold and supply line must have back drainage to the pumping chamber.The distribution pipes shall have their <br /> ends capped. Be sure the rock and sand fill materials are clean. The sod layer below the entire mounded area must be <br /> turned over.just break up the sod and be sure not to over work. <br /> Keep 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 effluent effectively. <br /> Nothing other than gray water,(laundry,showers,etc.) Human water and toilet tissue should be disposed of into the <br /> septic tanks. Garbage disposals are not recommended. Additives must not be used;they may cause harmful damage <br /> to your septic system. [t is recommended that you pump tanks every two years. �`I'�+Y �F OR�N� <br /> sincerel}. ^ INSPECTOR P � R I� <br /> � ��_. _ ORONO COPY .�.. <br /> � DATE — ^ ERMIT NO.�__ <br /> v� Joseph J.Olson C] APPROVED A5 SL'H�tiTTED <br /> APPROVED WITH CORRECTiONS AS NOTED <br /> ���� NUT APPROYED-CORRECT&RESU B WIT <br /> �� ������ T1+ese caanmetxc ue fot your inforntation. All work shall be dos� <br /> ia fult com pliance with a ll app(ica b le septic a n d zoning code. <br /> ������ Requirements including items not specifically noted in thir rcview. <br /> KEfiP THiS ALAN S8T ON S[TE AT ALL TIMES <br />