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S�P TESTING� �lr�. Steven B. Schirmers — MPCA Cert. No. 627 <br /> 951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 <br /> �LO� � ��93 August l, 1993 <br /> Phil Buyers <br /> 3083 Farview Lane <br /> Orono , Henn. Co. , MN <br /> This On-Site Sewage Treatment System is Designed for a Type 1, four <br /> bedroom home in accordance with the Minnesota Pollution Control <br /> Agency Chapter 7080 and local ordinanc�s . <br /> This site has an existing Non-Conf�rming s�stem which �3oes not <br /> meet the 3 ' seperation fron� the bot�om of ti�e rock to the seasonall� <br /> high water table . The existing tanks may be used upon approval <br /> by the local Inspector . The tanks may be block type and will need <br /> to be aban�on�d , pum��d & filled �h�itr. soil . <br /> The soils on this site are SCS soils mapped - HbB - Hayden loam. - <br /> A seasonally hi�n water taal= wss locat�d at 54" to 76" , (mottle� <br /> soil ) . The bottom of �ac'.z trer�ch must he locat:�-1 at 1Aast 3 ' <br /> above the s�asonally r�iy:� �f�ater table. A Standard Trenc� Syst2r� <br /> may be installeC . <br /> The soil� at at a depth of l�" & 24" have w �ercolation rate <br /> averaging 10 . 5 mirliincn . <br /> A pumping chamber will n�ad �o be install�d to lift th� efflu�nt <br /> to the treatment area . <br /> The power supply and s�aitches must 1�e located outside the manhole and <br /> pumping chamber in a weather proof enclosure. A warning device must <br /> be installed with a light and sound device, this is in case of a pump <br /> failure . Mercury floats are a good method. The supply line pipe <br /> must have back drainage to the pumping chamber . <br /> All neighboring wells are located greater than 100 ' away from the <br /> proposed treatment ar�a . <br /> Cont ' d <br />