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c%1pava a4y- rp-eejo Y�W <br /> ee,?v(red( <br /> Joseph Olson D.B.A. <br /> Rusty Olson's--Soil and Percolation Testing <br /> g <br /> Joseph J.Olson--MPCA License#810 <br /> 11481 Riverview Rd.NE, Hanover,MN 55341 <br /> (763)498-8779 Fax (763)498-8290 <br /> July 8,2017 <br /> Hendel Homes <br /> 425 Old Crystal Bay Road S. <br /> Orono,Hennepin County <br /> This on-site Sewage Treatment System is designed for a Type 1 five-bedroom home in accordance with the <br /> Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> The periodically saturated soils were located at 18-20 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 /> All neighboring wells are greater than 100' from proposed treatment areas. <br /> The soils at a depth of 12"have a percolation rate averaging 13 MPI. <br /> A 2250 gallon combination septic tank needs to be installed. <br /> All new tanks need to be insulated if there is less than two feet of cover over the top of the tanks.Clean <br /> outs must be installed on the end of the laterals for maintenance. <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.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 /> Nothing other than gray water,(laundry,showers,etc.)Human water and toilet tissue should be <br /> disposed of into the septic tanks.Garbaee disposals are not recommended.Additives must not he <br /> used,they may cause harmful damaue to your septic system. It is recommended that you nu nil) the <br /> tank every year for 1 septic tank,every two years for two septic tanks, <br /> Sincerely. <br /> J <br /> Joseph J.Olson <br /> RECEIVE® <br /> AUG 2 8 2017 <br /> CITY OF ORONO <br />