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Rusty Olson's--Soil and Percolation Testing <br /> Joseph J. Olson--MPCA License#810 <br /> � 11481 Riverview Rd. NE, Hanover,MN 55341 i <br /> (763) 498-8779 Fax (763)498-8290 <br /> � <br /> Revised October 17,2006 <br /> November 04,2004 <br /> John Whitman <br /> 1570 6th Ave.N <br /> Orono, Henttepin County. <br /> This on-site Sewage Treatment System is designed for a future Type 1 Four-bedroom home and future other <br /> five bedroom system in accordance with the Minnesota Pollution Control Agency Chapter 7080. <br /> The septic sites need a variance to meet city code.City code requires a 75 foot setback from any wetland. <br /> The future site is an other system because it is over the top of the existing system. <br /> The seasonal saturated soils were located at 24"-46"(mottled soil). Due to the seasonally 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 future site is a duel rock bed mound with non-level pressure distribution. <br /> All neighboring we(ls are greater than 100' from proposed treatment areas. <br /> The soils at a depth of l2"have a percolation rate averaging 3 - 10 MPI. <br /> The existing septic tanks may be used upon approval of the local inspector.A new 1250 gallon lift station <br /> will be needed if this system is installed. If a five bedroom system is ever installed a new 1000 gallon septic <br /> tank will need to be installed.To meet five bedroom code. <br /> The manifold and supply line must have back drainage to the pump chamber.The rock and till 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 /> Keep all heaw equipment off proposed septic sites. <br /> NothinQ other than gray water,(laundry,showers, etc.) Human water and toilet tissue should be disposed of <br /> into tlie septic tanks. Garbage disposals are not recommended. Additives must not be used;the�v cause <br /> harmful dama�e to vour septic svstem. tt is recommended thatyou pump the tank ever�vear for 1 tank <br /> every two vears for two tanks. <br /> Sin rely, <br /> � _____..___. CITY f�F ORONO <br /> Joseph J.Olson SF.PTIC P RMI �►N�Y� � <br /> 11�ISPECTOR ���a t�,.w—'—_�� <br /> i)ATE 1�ERMIT NQ,� <br /> Ct�-�'�raom�a ns suR��rrE� <br /> �rrRoven�vrrt�coRR�crtorrs�as xo°ts� <br /> NOT elPPROVEl7-��RRECT&.R�SL'9'r14T <br /> 'i'heae cammertt9 aec for your infarmation. Al61 wotk shafl bo� <br /> in fuil coreplianso with ett sppticebto septic a�zonin�suds. <br /> Requiremen4s inc6udang ttems not spccit"isalty aoteci ief 0ltie rev� <br /> K66P'P13iS 3'LLAAI S6T ON SiT��T AI�.'SBt��f <br />