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<br /> �` Q�-���;�Y��,�� �i oseph Olson D.B.A. 5 ��'
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<br /> �C`Z`���` �rs Olson's--Soil and Percolation Testing
<br /> �� Jose�h J. Olson--MPCA License#810
<br /> P�' 11481 Riverview Rd. NE, Hanover, MN 55341
<br /> (763)498-8779 Fax (763) 498-8290
<br /> Revised February 26,201�
<br /> Denali Custom Homes
<br /> 4565 Bayside Road
<br /> Orono,Hennepin County
<br /> This on-site Sewage Treatment System is designed to change a Type ],three bedroom house into a Type l,
<br /> five bedroom house in accordance with the Minnesota Pollution Control Agency Chapter 7080 and local
<br /> ordinances.
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<br /> The periodically saturated soils were locatedr�i inches(mottled soi��Due to the periodically saturated
<br /> soils,a pressurized mound system will need to'tie installe o e e septic effiluent. The bottom of the
<br /> trcatment area must be located at least 3' above the saturated soii�. .
<br /> All neighboring wells are located greater than I00' away from proposed treatment area.
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<br /> The existing mound rock bed is 41 foot long as per city records.The rock bed must be extended 22 fcet for
<br /> a total of 63 feet of rock bed.This will confottn to a type 1 five bedroom house.The existing rock bed dces
<br /> conform to the three foot separation to the saturated so�.
<br /> The soils at a depth of 12"have a percolation rate averaging 13 MPi.
<br /> The existing septic tanks must be abandoned and two new 1300 gallon septic tanks need to be installed.
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<br /> A11 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/in�s�lled o�he end of the laterals for maintenance..t h�/` �V� � 1,2v�f S-G� �,,�, /, ���'�ti'`��r
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<br /> A I�00 gallon pumpmg chamber will nced 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 /> enclosure.A warning device must be installed with li;ht and sound devices;this is�g..��ese-e€�-�mp
<br /> failure.A flow measurement device must be installed. Including but not limited to �wat �r me event /
<br /> counter,running time clocks or electronically controlled dosine. /Q f�,a...• c.. A�.+► 6 t �,!-�vsr.� I�ewteP
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<br /> Keep all heavv equipment off of the proposed treatment areas before and after construction.The
<br /> area around both sites must be fenced off by the contractor before any construction be�ins.This
<br /> Desi�n is not valid and the Svstem will need to be relocated if failure to protect the areas aroposed
<br /> for On-Site Sewa�e Treatment occurs.
<br /> VVith 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 H�ater and toilet tissue should be
<br /> disposed of into the septic tauks.Garbage disposals are not recommended. Additives must not be used;they
<br /> may cause harmful damage to your septic system. It is r�s�ded-t�aLy� �n�mp.tl�..t�xLk everv two___
<br /> years for two tanks. i�����s �,�� O �� � �
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<br /> Sincerely,
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<br /> e� Joseph J.Olson ; _.
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