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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 /> �..,.�.,: - �� <br /> June 8,2008 >.c�,��� ti / LL: <br /> ,,,� � Tom P e � ,��� • � '' S ' �7 <br /> �����^`" � 645 Ferndale Road ��'� G��1 � �?i�� i,��� <br /> Orono,Hennepin County � <br /> This on-site Sewage Treaiment System is designed for a Type 1 four-bedroom home in accordance with the <br /> Minnesota Pollurion Conh-ol Agency Chapter 7080 and local ordinances. <br /> T'he seasonally saturated soils were located at 22"-26"(mottled soil).Due to the seasonally saturated soils,a <br /> pressurized mound system will need to be installed to treat the sepric ef�luent.The bottom of the treatment <br /> azea must be located at least 3'above the saturated soils_ <br /> All neighboring wells are greater than 100 feet from proposed treatment areas. <br /> The soils at a depth of 12"have a percolation rate averaging 12 MPI. <br /> The existing septic system does not conform to the state code chapter 7080. <br /> "The eacisting tank must be abandoned. <br /> All new tanks need to be insulated if less than iwo feet deep and filters installed.Clean outs must be <br /> instatled on the end of the laterals for maintenance. <br /> A pumping chamber will need to be installed to lift the ef�luent to the treatment area. The power supply and <br /> switches must be located outside the manhole and pumping chamber in a weatherproof encloswe. A <br /> warning device must be installed with light and sound devices;this is in case of a pump failure.The <br /> manifold and supply line must have back drainage to the pump chamber.T6e rock and fil!materials must <br /> be clean.The sod layer below the entire mounded azea must be tumed over.Just brealc up the sod and be <br /> sure not to over work. <br /> NothinQ other than grav water,(Ianndrv,showers,etc.) I3uman water and toilet tissue should be <br /> disaosed of into the seutic tanks. Garbaee disaosals are not recommended. Additives must not be <br /> used;thev may cause harmfal damage to voar seatic svstem. It is recommended that vou pump the <br /> tank everv vear for 1 tank,everv two vears for two tanks. <br /> $incerely, <br /> � --�--_-----— <br /> / _---�. <br /> Joseph J.Olson ���� <br /> ��� ' <br /> �� ".r.� <br /> � "�� �Q .��RMiT� <br /> �A�StiDMiT'F'Eb <br /> ��1�.� ��1MLT1�CQRR�1�� <br /> '��iR�, �`�'�� '�w..a..m.r�..�rfa►y.N►�#�t�oN��1+M�t <br /> ��#���� ��.�+ap..�w�t.�a...aa►«w��w vda.. <br /> i�di�t q„m►au�cath t�MpI��wUM <br /> ���tT��r+A'�A��i�t'l$�'+�'� <br /> i � <br /> r � <br />