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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 ORONO <br /> Cory <br /> October 12,2011 <br /> Glen&Michaela Chelberg <br /> 4490 Watertown Road <br /> Orono,Hennepin County <br /> This on-site Sewage Treatment System is designed for a Type 1 three-bedroom home in accordance with <br /> the 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 will need to be installed to treat the septic effluent.The bottom <br /> of the treatment area must be located at least 3'above the saturated soils. <br /> The soils at a depth of 12"have a percolation rate averaging 5 MPI. ORONO COpy <br /> The existing septic system does not conform to the state code chapter 7080. <br /> The existing tanks maybe used upon approval of the local ins ct f the tanks are not useable.Two new <br /> 1000 gallon septic tank must be installed. cti,-t', a , 1-,e+-- k ('Kstp9-i. — <br /> All tanks need to be insulated if there is less than two feet of cover over the top of the tanks.A filter needs <br /> to be installed on the second tank.Clean outs must be installed on the end of the laterals for maintenance. <br /> A 1000 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 pump chamber. <br /> 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 <br /> used;they may cause harmful damage to your septic system.It is recommended that you pump the <br /> tank every year for 1 tank,every two years for two tanks. <br /> Sincerely, <br /> ORONO COPY <br /> CITY OF ORONO <br /> Joseph J.Olson SEPTIC PERMIT PLAN REVIEW <br /> INSPECTOR <br /> ThIS SYSTEM IS DESIGNED FONDATE PERMIT NO. <br /> [] APPROVED AS SUBMITTED <br /> ......BEDROOMS. ANY INCREASE IN NUMBER El APPROVED WITH CORRECTIONS AS NOTED <br /> Of BEDROOMS INVALIDATES THIS DESIGN, n NOT APPROVED-CORRECT&RESUBMIT <br /> Thc,c comments arc tier your inlbrmution. All work shall <br /> in comrl':ince with all eppiicable septic and/ow: .• <br /> Rr: •%.; items no!specifically n•I :' �,�, �. <br /> !'._;A\SL1-ON 51 f(.Al :1L <br /> 4 ...J <br />