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, <br /> �� ��Westwood Professional Services, Inc. <br /> . <br /> 104 Marty Drive,Suiie 3 <br /> Bu(falo,MN 55313 <br /> Phane:612-682-2587 <br /> Fax 6t2-682-2639 <br /> ToIlFree:1-888-682-2587 <br /> � <br /> A�ri �, �99y Email:wpsCJwestwoodps.com <br /> �lf'VC f3l)�l� <br /> B��hland Ocvclopment <br /> 4?0 Upland Lane <br /> Pivm��uth, MN �5447 <br /> RE: Septic System Site Plan for Lot 5, Carriage Hill, Orono, Minnesota. <br /> Dear Ste�e: <br /> T�his proposed on-site septic systein �vas designed for a 5 bedroom h��me. �vith an estimated flow of 750 <br /> �,alluns per day. l�ue to motticd soils at a dcpth of 2�3" in the primar_y� �ite, thc primary will need to be a <br /> mound svstem �vith 12" of sand under thc rockbed at the upslope side. �I�he site in which this system is <br /> proposed has a existing ground slope of 6%, and percolation rates ranging 1�rrnn 1 I-20 MPI. The rock <br /> bed size will be 10 feet wide and 63 feet long with the overall dimensions of the primary mound being <br /> I O l.0 feet long and 38.6 feet wide. <br /> An alternate septic system has been shown on the plan to show that there is enough undisturbed area on <br /> the lot to support another septic system. This system will also need to be a mound system. Mottled <br /> soils were found at a depth of 24 inches and the average slope of the area is 4%. This system will not <br /> need to be constructed unless the primary mound fails. <br /> Certain precautions will need to be made to protect the areas in which the above referenced septic <br /> s}�stems are proposed. Both primary and alternate septic areas have becn or will be staked of£ It is <br /> recommended that safety fence be placed around both of the sites for protection during construction of <br /> this project. It is critical that the soil is not disturbed before, during, and after construction of the <br /> system. <br /> These system should treat the septic effluent effectively if the systems are installed properly and are <br /> maintained properly. It is recommenced that the septic tanks be pumped once every two years. This <br /> will reduce the chance of solids reaching the system. It is also recommended not to use excessive <br /> amounts of chlorine, soaps, and chlorine products which can kill bacteria in the septic tanks. This <br /> bacteria is needed to treat the septic effluent <br /> �esigning the Future Today._since 1972 <br />