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Joseph Olson D.B.A. <br />Rusty Olson's--Soil and Percolation Testing <br />Joseph J. Olson--MPCA License 4810 <br />11481 Riverview Rd. NE, Hanover, MN 55341 <br />(763) 498-8779 Fax (763) 498-8290 <br />Revised August 16, 2019 <br />Norton Homes <br />640 Lakeview Parkway <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 16-24 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 rock. <br />Two 1250 -gallon septic tanks or its equivalent is designed for this site. All tanks need to be insulated if <br />there is less than two feet of cover over the top of the tanks. Clean outs must be installed on the end of the <br />laterals for maintenance. <br />Use 7132 -inch perforations on the laterals. <br />A 1250 -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. A flow measurement device must be installed. Including but not limited to a water meter, event <br />counter, running time clocks or electronically controlled dosing. <br />Kee all heavy eguit3ment off of the proposed treatment areas before duriRIZ and after construction. <br />The area around both sites must be fenced off by the contractor before any construction bezins <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. Iron filters cannot go into the septic system. Garbage disposals are not <br />recommended. Additives must not be used they may cause harmful damage to your septic system. It is <br />recommended that you pump the septic tanks every two years. <br />Sin rely, <br />Joseph J. Olson <br />