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� <br /> f � . <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 /> December 12,2012 <br /> Pamela Gregory ORONO COYY <br /> 385 Stubbs Bay Road N <br /> Orono,Hennepin County <br /> This on-site Sewage Treatment System is designed for a Type lthree-bedroom home in <br /> accordance with the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> The periodically saturated soils were located at 18-22 inches(mottled soil). Due to the <br /> periodically saturated soils,a pressurized mound system will need to be installed to treat the <br /> septic effluent. The bottom of the treatment area must be located at least 3' above the saturated <br /> soils. <br /> All neighboring wells are greater than 100' from proposed treatment areas. ORONO COPY <br /> The soils at a depth of 12"have a percolation rate averaging 4 MPI. <br /> The existing septic tanks must be abandoned. Two new 1000 gallon septic ta.nks need to be <br /> installed. <br /> A variance may be needed for the septic tanks to be closer than 50 feet from the wetland. N//� <br /> All new tanks need to be insulated if there is less than two feet of cover over the top of the tanks. <br /> Clean outs must be installed on the end of the laterals for maintenance. <br /> The sunalv line must be laid as a directional bored force main below frost and be aressure <br /> tested. <br /> A 1000 gallon pumping chamber will need to be installed to lift the effluent to the treatment area. <br /> The power supply and switches must be located outside the manhole and pumping chamber in a <br /> weatherproof enclosure.A warning device must be installed with light and sound devices;this is <br /> in case of a pump failure. <br /> Nothin�other than grav water,(laundrv,showers.etc.)Human water and toilet tissue <br /> should be disaosed of into the seatic tanks.Garba�e disposals are not recommended <br /> Additives must not be used; thev mav cause harmful damaEe to vour septic svstem.It is <br /> recommended that vou uump the tanks everv two vears. <br /> Sincerel , _ � �--� _,r• CITY OF ORONO <br /> y __ _ ��_.�:;;,,o C<� � SEPTIC RM <br /> �% INSPECTO <br /> Joseph J. Olson DATE �� PERMIT NO,,,,,_,,,,,,,,,,,,,,,,,,�„„� <br /> ��ruovr:p ns s�aw�Ttra <br /> '�(q�'��*�� APPRt)V&D�V(TH COR&,FCTtONB AS A'OTfs� <br /> f NOT APPROV�U.EtNtRFCT 8 RBSL�i��tiT <br /> . uyr <br /> �„BEDROOMS. ANt'�N(�tEAS�1�#f(�+cse eanmente uc t'oc your inPormativa. All work sbull be� <br /> fuil piapliar�with YA xppiiouWa s�eptic and�iay waie, <br /> �� RaqWremenit ieelyd4�ha��sot s/Niti�Ny xMei fr tYi��M�iwtr <br /> Ker:r� rFns r�.nx srr o;�s�rr:nr nL�Tt�rs <br />