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Rusty Olson's--Soil and Percolation Testing Joseph J. Olson--MPCA License#810 11481 Riverview Rd.NE,Hanover,MN 55341 (763) 498-8779 Fax(763)498-8290 July 08,2010 ORONO appy Mike Chiodin (-920 Wayzata Blvd Orono,Hennepin County This on-site Sewage Treatment System is designed for a Type 1 three-bedroom home in accordance with the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. The periodically saturated soils were located at 16"(mottled soil).Due to the periodically saturated soils,a pressurized mound system will need to be installed to treat the septic effluent.The bottom of the treatment area must be located at least 3'above the saturated soils. All neighboring wells are greater than 100' from proposed treatment areas. ORONO COPY The existing well needs to be abandoned.A new well need to be drilled. The soils at a depth of 12"have a percolation rate averaging 19 MPI. The tanks must be abandoned.Two new 1000 gallon septic tanks need to be installed to meet local codes.A 1000 gallon lift station must be installed to meet this design. All new tanks need to be insulated if there is less than two feet of cover over the top of the tanks and a filter installed on the second tank.Clean outs must be installed on the end of the laterals for maintenance. Keep all heavy Equipment off the proposed treatment areas before during and after construction. A 1000 gallon pumping chamber will need to be installed to lift the effluent to the treatment area. The power supply and switches must be located outside the manhole and pumping chamber in a weatherproof enclosure. A warning device must be installed with Iight and sound devices;this is in case of a pump failure.The manifold and supply line must have back drainage to the pump chamber.The rock and fill materials must be clean.The sod layer below the entire mounded area must be turned over.Just break up the sod and be sure not to over work. Nothing other than gray water,(laundry,showers,etc.) Human water and toilet tissue should be disposed of into the septic tanks. Garbage disposals are not recommended. Additives must not be used; they may cause harmful damage to your septic system. It is recommended that you pump the tank every year for 1 tank,every two ears fo two tanks. ORON C,oPY err OF ORONO Sii� rely, SEPTIC PERMIT P RE E = INSPECTOR DATE PER T NO.,r, ,,,,,,�„,�„ Joseph J.OlsonnutsseD rut APPROVED AS SUBMITTED mix n APPROVED WITH CORRECTIONS AS NOTED ISEDRVVmyt. *N INCREASE IN LUMBER Q NOT APPROVED-CORRECT&RESUBMIT 0 BEDROOMS INIf DESIGN. These comments are for your information. AU work shall be dotty in full compliance with all applicable septic and zoning code. Requirements including items not specifically noted in tbisreale%, KLEP TUASII1.ANi SET ON SITE AT ALL TIMES r• -,