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a <br /> � <br /> : ������ ���� <br /> TtIIS SYSTEM IS DESIGNED FOR <br /> lm�� � S BEDROOMS. ANY INCREASE IIV NUMBER <br /> OF BEDROOMS INVALIDATES THIS DESIGN. <br /> � ✓ � �a� s <br /> 3(�- � �� Joseph Olson D.B.A. <br /> � �� �"'�� Rusty Olson's--Soil and Percolation Testing <br /> Jaseph J. Olson--MPCA License#810 <br /> 11481 Riverview Rd.NE,Hanover, MN 55341 <br /> (763}498-8179 Fax(763)498-8290 <br /> Revised April 19,2017 <br /> Swanson Homes <br /> 4765 Augusta Street <br /> Orano,Hennepin County <br /> This on-site Sewage Treatment Systetn is designed for a T}�pe l,five-bedroom home in accordance with <br /> the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> The periodically saTurated soils were located at 12-18 inches(mottled soil). Due to the periodically <br /> saturated soils,a pressurized mound system with 6 inches of rock will need to be installed to treat the septic <br /> effluent. The bottom of the treatment area must be located at least 3' above the saturated soils.This system <br /> is designed with 6 inches of rotk. <br /> The soils at a depth of 12"have a percolation rate averaging 13.5 MPI. <br /> All tanks need to be insulated if there is less than two feet of cover over the top of the tanks.Ciean outs <br /> must be installed on the end of the laterals for maintenance. <br /> Use 7/32 inch perforations on the laterals. <br /> Create drainage around the septic systerr►. See drawing <br /> A 1300 gallon pumping chamber will need to be installed to lift the effluent to the treatment area. The <br /> power supply and Switches must be located outside the manhole and pumping chamber in a weatherpraof <br /> enclosure.A warning device must be installed with light and sound devices;this is in case of a pump <br /> failure.The manifotd and supply line must have back drainage to the pumping chamber. <br /> Keep all heavv equipment off of the pro�ased treatment areas before durin�and after construction <br /> The area around both sites must be fenced off bv the contractor before anv constructio� be�ins <br /> With propsr installation and maintenance?this system shauld have no problem in treatin�septic effluent <br /> effectively.Nothing other than gray water,(laundry, showers,etc.)Human water and toitet tissue should be <br /> disposed of into the septic tanks.Garbage disposaIs are not recommended.Additives must not be used they <br /> may cause harmful damage to your septic system. It is recommended that you pump the septic tanks every <br /> two years. <br /> S' ere�y. CITY OF ORONO <br /> — SEPTIC PE IT P_ L�t .VI�W <br /> Joseph J.Olson INSPECT R �,�: <br /> DATE � 7 PERMIT NO.?C��7;4����j <br /> � nrrKovr:n ns s[;t���rrr:u <br /> C] APPROVGA WITH CORRGCTiOh3 A5 T'OTED <br /> Q hOT APPROVEU-CORRECT 8t RESliB�tIT <br /> Thcsc commcnts are for your inFonnation. Ail work shall be don! <br /> in fuil cumpiiance with uil upplicuhle septie and zoning cude. <br /> Requirements including items not specil'icutty notcci iq this reriew, <br /> K[iGP THIS PLAN SET Oh StTG AT ALL TtMGS <br />