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' M � . <br />' • ' ; <br /> ; S-P TESTING, INC. 4. i � <br /> 951 KATYDiD LANE ��`�'�� �]� <br /> ST. MICHAEL, MN 55376 ��� ,}'�� �j <br /> ; , 497-3566 . ���� Il/�� �� . <br /> STEVE SHIRMERS O�� �.,� <br /> �� <br /> May 7 , 1988 <br /> �:,, <br /> Albee ' s Long Lake Addition <br /> Lot 1 � <br /> Orono, Henn. Co. , MN <br /> This system is designed for a Type 1, four bedroom home for future ex- <br /> pansion on the existing house. Designed in accordance with the Minnesota <br /> Pollution Control Agency ;Standards WPC 40 and local ordinances . <br /> The soils on this site ar�e typical of SCS soils mapped - HbC - Hayden loam. <br /> A seasonally high wa�er table was located at 18" , 24" , & 26" , (mottlinq) . <br /> Due to the seasonally hig,� water table, a pressurized mound system will <br /> need to be installed. The bottom of the rock bed must be located at <br /> least 3 ' above the seasonally high water table. <br /> The soils at a depth of 18" have a percolation rate averaging 22 . 2 min/inch <br /> and are adequate for treating septic effluent. <br /> A pumping chamber will ne�ed to be installed to lift the effluent to the <br /> treatment area. � <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.. <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 be <br /> installed with a light and sound device, this is in case of a pump failure. <br /> (Mercury floats are a good method) . <br /> Tke existing tanks may be used upon approval by the local inspector. <br /> Recommend to pump the tanks as soon as possible. <br /> All neighboring wells are located more than 100 ' away from the proposed <br /> treatment area & 50 ' away on this site. <br /> , Keep all heavy equipment off of the proposed treatment area before and <br /> after construction as much as possible. The treatment area should be <br /> marked off before cons�ruction. <br /> With proper installation �and maintenance, this system should have no <br /> problem in treating septic effluent effectively. <br /> It is recommended �that the septic tanks be pumped every 2 years . <br /> ' Soil and Percolation Teata `����-, 1=�• ���-�-�� <br /> � Septic Syatem Design Steven B. Schirmers �S <br /> SBS/ds ' <br />