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� �'F'' TESTING� INC. Steven B. Schirmers = MPCA Cert. No. 627 ; <br /> , <br /> 951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566 � <br /> �, � I <br /> � i <br /> �l ; i ; <br /> October 9, 1992 I <br /> , . <br /> Robin 0'Rourke ; ; , ; , <br /> S1/2 - NWl/4 - NW1I4 - SW1/4 ; ; ; + � �+ <br /> Sec.27, T118, R23 I � , ; � <br /> Co.Rd. 6 ' � ' � ' <br /> i i , •, i <br /> i <br /> Orono, Henn. Co. , MN , � ; � ' �, <br /> ; , � . . <br /> • p � <br /> � <br /> This On-Site Sewaqe Treatment Sy�stem is Defi igned for a Type 1, �hre� t �. <br /> bedroom home in accordance with the Minnesota Pollution Control� , f <br /> Agency Chapter 7080 and local ordinances. , i <br /> � <br /> � The soils on this site are SCS aoi.ls ma��pd - T.,+B - i . I <br /> A seasonally high water table was located at 18" to 34" , (mottled ! <br /> soil) . Due to the seasonally high water tabls, a Pressurized� ` � i <br /> Mound System will need to he install�rl. The b�ttom of the roc�c� : � { <br /> bed must be located at least 3 ' above the seas�nally high ' � ' <br /> water table. � I <br /> � <br /> The soils at a de th of 12" have a ( <br /> p percolation rate averaging : , . <br /> 11.4 min/inch and are adequate for treating septic effluent. ; � <br /> • A pumping chamber will need to be installed to lift the effluent to . I : <br /> the treatment area. <br /> � � <br /> The manifold and supply line pipe must have back drainage to the pumping � <br /> chamber. The distribution pipes shall have their ends capped. , Be sure � <br /> the rock and sand fill material are clean. The sod layer below the <br /> entire mounded area must be turned over, just break up the sod, be sure ; <br /> not to over work. • i <br /> I <br /> The power supply and switches must be located outside the manhole and � <br /> pumping chamber in a weather� proof enclosure. A warning device must i <br /> be installed with a light and sound device, this is in case of a pump <br /> failure. Mercury floats are a good method. . � <br /> All neighboring wells are located greater than 100' away from the ! <br /> proposed treatment area. <br /> ; <br /> . � <br /> � � <br /> i <br /> , i <br /> � � <br /> � , , <br /> ; ; <br /> � , . <br /> . CONT'D, . t� � '�' <br /> � i :. ;: <br /> � ; ` ; � . <br /> � �� <br /> � � ; {: <br /> . . � ; ,; <br /> ,� , <br /> .E , � <br /> � <br /> :) � . j , <br /> �� . . , <br />