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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 /> May 19,2013 ORONO COPY <br /> Verne Hubbell <br /> 3340 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 22-30 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 /> A small retaining wall will need to be built on the north east end of the system to stop the toe from <br /> overlapping the driveway.This is not part of the absorption area. <br /> All neighboring wells are greater than 100 feet from proposed treatment areas. ORONO COPY <br /> The soils at a depth of 12"have a percolation rate averaging 3 MPI. <br /> The existing septic system does not conform to the state code chapter 7080. <br /> The existing tanks must be abandoned.Two new 1000 gallon septic tanks need to be installed. <br /> The supply line must be insulated and sleeved under the driveway. <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 /> 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 /> tanks every two years. <br /> Sincerely, <br /> ORONO COPY CITY OF ORONO <br /> Joseph J.Olson SEPTICPE MI P REV W <br /> INSPECTOR `.( <br /> DAT -Q PERMIT NO.,,,,,,,,,,,,,,,,.,,, <br /> APPROVED AS SUBMITTED <br /> ® APPROVED WITH CORRECTIONS AS NOTED <br /> �► NOT APPROVED-CORRECT A RESUB�NiT <br /> These comment-as for your information. All work:hall Im dwn <br /> BEDROOM& ANY MCKW O in Ul compliance with all applicable aptio and toning e«la. <br /> Of SUIWAI WU Requirement-including items not specifically noted lr*k*vim <br /> KW Tulle PLAN UT ON SITS AT ALL TVAU <br />