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Joseph Olson D.B.A. <br /> Rusty Olson's--Soil and Percolation Testing <br /> Joseph J. Olson—MPCA License#810 <br /> 11481 Riverview Rd.NE, Hanover,MN 55341 <br /> (763)498-8779 Fax(763)498-8290 <br /> ORONO COPY <br /> September 27,2013 <br /> Nihr Shah <br /> 2300 Willow Hill Drive <br /> Orono,Hennepin County <br /> This on-site Sewage Treatment System is designed for a Type 1,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 16"-26"(mottled soil).Due to the periodically saturated <br /> soils,a pressurized mound system will need to be installed to treat the septic effluent.The bottom of the <br /> treatment area must be located at least 3'above the saturated soils. <br /> All tanks need to be insulated if there is less than two feet of cover over the top of the tanks.Clean outs <br /> must be installed on the end of the laterals for maintenance. <br /> Use 7/32 inch perforations on the laterals. ORONO COPY <br /> All neighboring wells are greater than 100'from proposed treatment areas. <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 weatherproof <br /> enclosure.A warning device must be installed with light and sound devices;this is in case of a pump <br /> failure.The manifold and supply line must have back drainage to the pumping chamber. <br /> Keep all heavy equipment off of the proposed treatment areas before,during and after construction. <br /> The area around both sites must be fenced off by the contractor before any construction begins. <br /> With proper installation and maintenance,this system should have no problem in treating septic effluent <br /> effectively.Nothing other than gray water,(laundry,showers,etc.)Human water and toilet tissue should be <br /> disposed of into the septic tanks.Garbage disposals 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 /> Sincerely, <br /> ORONO COPY CITY OF ORONO <br /> SEPTIC PE MIT L N EV <br /> INSPECTOR <br /> Joseph J.Olson DATE 13-a PERMIT NO. <br /> APPROVI D AS SUBMITTED <br /> APPROVED WITH CORRECTIONS AS N'OTED <br /> ED NOT APPROVED-CORRECT&RESUBMIT • <br /> The,c comments arc for your information. All work shalt be dope <br /> ITEM IS DESIGNED FOR in fall compliance with all applicable septic and zoning code. <br /> BEDROOMS. ANY INCREASE IN NUMBERRequirer eni including items not specifically noted in this review. <br /> KLLP THIS PLAN SET ON SITE AT ALL TIMES <br /> OF BEDROOMS INVALIDATES THIS DESIGN. <br />