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� <br /> , r---� <br /> � S-P TESTING, tNC. �� B. ���• MPCA Cert.No. �7 <br /> 951 Katydid Lane NE � S't. Michael, MN 55376 • (763) 497-3566 <br /> FAX(763�497-5011 <br /> S'tate Lioense#394 <br /> May 7, 2005 <br /> Aulik�Associates <br /> 2265 North Shone Dr. <br /> Orono, Henn. Co., MN <br /> This site has an exisfing on-site sewage treahnerrt system oor�sisting of 1 septic tank& <br /> 1 pumping cti�mber�200tin.ft or 600sq.ft. of trerx� sysbetn. Soil borings#5 �6 found <br /> mottled soil (redox features) at 48" below the ground surFace. The system does nat <br /> meet the requir+ed 3'separa�on from the mo�tfed soil �also the sizing tactor for the <br /> soils w�ould be 1.5sq.ft./gaVday x 1050 gaVday� 1575sq.ft. would be needed. The <br /> existing system is sev�ereiy under sized for'a 7 bedroom home. <br /> This on-sifie sewage treatrnent system is designed for a Type 'I, 5 bedroom home &2 <br /> �droorn guest home, in a000rdanoe with the Minnesota PoNuiion Control Agency <br /> Chapter 7080 and local ondinarroes. <br /> The sais on this site are a sandy loam. The seasonally saturated soils were located at <br /> 54"to 72"(mottled soil). A standard trenc� syst�em rt�y be ir�sfiatled keep a 3' <br /> separ^a�ion from the b+otbom of the s!rstem 8�mo�tled soil. <br /> The soits at a depth of 18" have a peroolation rate of 4.1 mpi. <br /> The existing�anks are oW �too small �will need to be abandoned, purr�eci &filled <br /> with sal. The e�tisting supply line must be adequabe for the City I�or to be used. <br /> The e�dsting supply line will need to be relocat�l. This witl need to be determined by <br /> the installer once the suppty line is fiound. <br /> 1 <br />