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t ,• � <br /> t�it�t t �!�' t;,:.� EI!4LC�ATION c� DF.S/GN 830 VIS"CA CIRCLE. <br /> D�LnNo, MN 55328 <br /> (612)972-2110 <br /> August l I, 1998 <br /> John Winton <br /> 1314 Marquette Ave. So. <br /> Minneapolis, MN 55403 <br /> RE: Septic System Site Plan <br /> Dear John: <br /> This proposed primary on-site septic system was designed for a 5 bedroom home, with an estimated <br /> flow of 750 gallons per day. The s_ystem best suitable for this site is a conventional rock trench with 12" <br /> of rock under the pipe. Mottled soils indicated a seasonal �vater table present at a deptl� of 4.5' in soil <br /> boring#5. "I7ie seasonal �vater table in the other soil borings was encountered at dcpths bet�veen S.0' <br /> and 5.5' feet below the existing ground surface. Tl�e site in which this system is proposed has an <br /> average existin� ground slope of 8%, and percolation rates ranging from 4-5 MPI. The system will <br /> require 260 lineal feet of trench with excavations not to exceed a depth of 18" for this site. This system <br /> will require a 1250 and 1000 gallon pre cast septic tanks and a 1250 gallon tank to be used for a pump <br /> tank. <br /> An a(ternate septic site has been show and does not need to be constructed until the primary system <br /> fails. Conditions for this site are similar to primary site but should be reevaluated at the time of <br /> construction. <br /> Certain precautions will need to be made to protect the area in which the above referenced septic system <br /> is proposed. The septic area has been or will be staked of£ It is critical that the soil in these areas is not <br /> disturbed before, during, and after construction of the system. <br /> This system should treat the septic effluent effectively if the system is installed properly and is <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 clllorine, soaps, and chlorine products which can kill bacteria in the septic tanks. This <br /> bacteria is needed to treat the septic effluent. <br /> If you have any questions in regards to this design, I will be happy to answer them. I can be reached at <br /> (612)972-21 10 <br /> Sincerely, <br /> Greenhagen Evaluation <br /> ��) �,-��"`�,.'��--�--Z <br /> Pau► Gr��cnl�agcn <br /> Septic Site Uesi�ner <br />