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11°/28/2004 01:23 FAX 7634973566 SP TESTING INC 02 <br /> S-P TESTING, INC. Steven B. Schirmers • MPCA Cert.No. 627 <br /> 951 Katydid Lane NE - St. Michael, MN 55376 - (763) 497-3566 <br /> FAX (763) 497-5011 <br /> State License #394 <br /> '50py1 <br /> CITY OF ORONO <br /> December 28, 2004 2( SITE PLAN GRADING PLAN <br /> jj�APPilGt :ED--'l'v c. '4P41T70/'0 <br /> Ei APi'�,t VE0 WITH REVISIONS <br /> ❑ I)I6A�'I'�i E <br /> Batina Residence BY y <br /> Aulik Associates DATE S-ro-y� <br /> 280 Wakefield Rd. <br /> Orono, Henn. Co., MN <br /> This site has an existing on-site sewage treat-nent system consisting of 2-1000 gallon <br /> septic tanks & 200 lin.ft. of trench system. An addition to the home will affect the south <br /> end of the system. 105 lin.ft. of the existing system will be used of the 315 sq.ft. The <br /> new system will consist of an additional 687sq.ft. (229 lin.ft.) will be added. <br /> This On-Site Sewage Treatment System is Designed for a Type 1, four bedroom home, <br /> in accordance with the Minnesota Pollution Control Agency Chapter 7080 and local <br /> ordinances. <br /> The soils on this site are a sandy loam. The seasonally saturated soils were located at <br /> 54" (mottled soil) . The bottom of the treatment area must be located at least 3' above <br /> the seasonally saturated soils_ A standard trench system may be installed. <br /> The soils at a depth of 30" have a percolation rate of 10,0 mpi. <br /> The existing tanks may be used if water tight & a 3rd 1000 gallon tank will be added, If <br /> they are not water tight, they will need to be abandoned, pumped &filled with soil & <br /> install 2-1250 gallon tanks. <br /> There is an existing lift pump in the lower level. <br /> 1 <br />