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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 Faz(763)498-8290 <br /> Revised June 19,2014 <br /> July 24,2012 <br /> Mark D.Williams Homes <br /> 1135 Pine View Drive <br /> Orono,Hennepin County <br /> This on-site Sewage Treatment System is designed for a Type l,Five-bedroom home in accordance with <br /> the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> The periodically sahirated soils were located at 12"-20"(mottled soil).Due to the periodically saturated <br /> soils,a pressurized mound system will need to be installed to treat the septic effluent.The bottom of the <br /> treatment azea must be located at least 3'above the saturated soils. <br /> The soils at a depth of 12"have a percolation rate averaging 3 MPI. <br /> All tanks need to be insulated if there is less than two feet of cover over the top of the tanks.Clean outs <br /> must be installed on the end of the laterals for maintenance. <br /> Use 7/32 inch perforations on the laterals. <br /> All neighboring wells are greater than 100' from proposed treatment areas. <br /> A 1300 gallon pumping chamber will need to be installed to lift the effluent to the treatment area.The <br /> power supply and Switches must be located outside the manhole and pumping chamber in a weatherproof <br /> encloswe.A warning device must be installed with light and sound devices;this is in case of a pump <br /> failure.The manifold and supply line must have back drainage to the pumping chamber. <br /> Keea all heavv eqniament off of the aroaosed treatment areas before,during and after construction. <br /> The area around both sftes must be fenced off bv the contractor before anv construction beains. <br /> With proper installation and maintenance,this system should have no problem in treating septic effluent <br /> effectively.Nothing other than gray water,(laundry,showers,etc.)Human water and toilet tissue should be <br /> disposed of into the septic tanks.Garbage disposals are not recommended.Additives must not be used they <br /> may cause harmful damage to your septic system.It is recommended that you pump the septic tanks every <br /> two years. <br /> Since ly, <br /> s����l��v�.v���s:v�i�s xv�a s�H.�aa�lx <br /> •�!��t(yt n[pa�ou�C��ao��r+ads�ou swau 8u�pn�ou�s�uawai�nba� <br /> Joseph J.Olson �ROtpO�P��dos siqsal�dds tl�4u�►s�+ei�du��I��� <br /> �►�q��!Ib '�mauo���Aat s�wmwas a�sy� <br /> JJiK811838 l,i,'�lll110,'Q3/IOYd1Y�LO11 <br /> �LO�I W�N,�y�IWM(1�AO�Iddr' <br /> �.L1Ni��'1�QBAp�ldd� <br /> ������� �`"�t�'z'�Ort.ti �d 31.dQ <br /> ��NI�IlY '��g---- M�in �t a�.tin���a�a xo.�as asr�� <br /> �03NJIS3�Sl W31SAS S`fNt p�1{��„, _,� ; <br />