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� . �2� �� <br /> r �<<o��``�� <br /> Joseph Olson D.B.A. �,�.�,,,''���.�o��� <br /> Rusty Olson's--Soil and Percolation Test i�,_a:��T'o,��ti <br /> Joseph J. Olson--MPCA License # 810 �'`��� `s <br /> 11481 Riverview Rd. NE, Hanover, MN 55341 ``�,,,�' <br /> : � (763) 498-8779 Fax (763) 498-8290 <br /> � � � � <br /> � ,S x <br /> �>' "�,a,�,�.'",' � ti .i; ��`' ..� Y s;,.� f� -, <br /> April 29, 2015 � �,. �� '�'�� � <br /> L.A. Kretchman& S.D. Grande � � �"� �� `Q, ; <br /> 2450 Countryside Drive ��; 1� <br /> Orono, Hennepin County ��` �.. �"�' <br /> This on-site Sewage Treatment System is designed for a Type 1 four-bedroom home in accordance with � <br /> the <br /> Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> The periodically saturated soils were located at 22-26 inches(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 area must be located at least 3' above the saturated soils. <br /> The existing septic system does not conform to the state code chapter 7080 <br /> All neighboring wells are greater than 100' from proposed treatment areas. <br /> The soils at a depth of 12"have a percolation rate averaging 8 MPI. <br /> The existing septic tanks must be abandoned and two new 1300 gallon and 1300 septic tanks need to be <br /> installed. The new tanks wili be approximately 7 feet deep. <br /> All new 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 /> A 1300 gallon pumping chamber will need to be installed to lift the effluent to the treatment area.The power <br /> supply and switches must be located outside the manhole and pumping chamber in a weatherproof enclosure. <br /> A warning device must be installed with light and sound devices;this is in case of a pump failure. A flow <br /> measurement device must be installed. Including but not limited to a water meter,event counter,running time <br /> clocks or electronically controlled dosing. <br /> Nothing other than grav water (laundrv showers etc)Human water and toilet tissue should be <br /> disaosed of�nto the sentic tanks Garba�e disaosals are not recommended Additives must not be <br /> '� used: thev mav cause harmful damaQe to vour septic svstem It is recommended that you pump the <br /> tank everv two vears for two septic tanks <br /> Si rely, w---� <br /> :d"vd � � <br /> , ' ----_- `;�^'��' ��--��!!��/U� <br /> ,� <br /> � [)c�t�__..,.��do �M��M_� <br /> i"+ 4�t r�� � ��^j�'� � ���.. �'�.. <br /> a�x. � �._.. K � ,�.,,�� <br /> � � E <br /> --____._.... ___.__ _._.�_ � <br /> s ; �Fcar �;�:���� �����} �<� �� <br /> T a�2r���'���� <br /> -------______ <br />