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RECEIVED <br /> Rusty Olson's--Soil and Percolation Testing AJv —5 2010 <br /> CITY OF ORONO <br /> Joseph J. Olson--MPCA License#810 <br /> 11481 Riverview Rd.NE,Hanover,MN 55341 <br /> (763)498-8779 Fax(763)498-8290 <br /> FUTURE SITE FOR EXISTING HOUSE <br /> July 08,2010 ORONO COPY <br /> Cathren Mehaffey <br /> 4720 Watertown Road <br /> Orono,Hennepin County <br /> This on-site Sewage Treatment System is designed for a future Type 1 Four-bedroom home in accordance <br /> with the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> The periodically saturated soils were located at 14"(mottled soil).Due to the periodically saturated soils,a <br /> pressurized mound system will need to be installed to treat the septic effluent.The bottom of the treatment <br /> area must be located at least 3'above the saturated soils. <br /> The soils at a depth of 12"have a percolation rate averaging 8 MPI. ORONO COPY <br /> The existing system conforms to chapter 7080. <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 /> All absorption areas do not overlap. <br /> Keep all heavy equipment off the proposed treatment area. <br /> The existing septic tanks and lift station may be used upon approval of the local inspector. <br /> The manifold and supply line must have back drainage to the pump chamber.The rock and fill materials <br /> must be clean.The sod layer below the entire mounded area must be turned over.Just break up the sod and <br /> be sure not to over work. <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 /> S" rely, <br /> ORONO COPY cm'OF ORONO <br /> Joseph J.Olson SEPTIC PERMIT PLAN REVIEW <br /> INSPECTOR <br /> DATE PERMIT MS SYSTEM S NO.44"6"." <br /> ._ .. <br /> Q APPROVED AS SUBMITTED <br /> M Damen* BAPPROVED WITH CORRECTIONS A8 NOTED <br /> NOT APPROVED-CORRECT£RESUBMIT <br /> ..,,.—,BEDROOMS. y IN nese comments en for your information. All work shall be dollr INCREASENUMBER <br /> OF BEDROOMS INVAUDATES la filU compliance with all applicable septic and zoning code. <br /> s kequirements including items not speciiici ly-noted iathianteel* <br /> MP ma PLAN SST Oki 1ITE a AU,TUGS <br />