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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 c <br /> (763)498-$779 Fax(763)498-8290�`Z� �qb�'1�( �J <br /> Reviscd Juae 19,2014 <br /> July 24,2012 <br /> Mark D.Williams Homes <br /> 1135 Pine View Drive <br /> Orono,Hennepin County <br /> T'his on-site Sewage Treatment System is designed for a Type l,Five-bedroom home in accordance with <br /> the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. <br /> The periodicaily saturated soils were located at l2"-20"(mottled soil).Due to the periodically saturated <br /> soils,a pressurized mound system will need to be installed to treat the septic effluent.The bottom of the <br /> treatment area must be located at least 3'above the saturated soils. <br /> The soils at a depth of 12"have a percolarion rate averaging 3 MPI. <br /> All tanks need to be insulated if there is less than iwo feet of cover over the top of tt►e tanks.Clean outs <br /> must be installed on the end of the laterals for maintenance. <br /> Use 7/32 inch perforations on the laterals. <br /> All neighboring wells are greater than 100'from proposed treatment areas. <br /> A 1300 gallon pumping chamber will need to be instailed to lift the effluent to the treatment azea.The <br /> power supply and Switches must be located outside the manhole and putnping 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 pumping chamber. <br /> Keeu all heaw eauiament off of the aroaosed treatment areas before durin¢and after construction <br /> The area around both sites must be fenced off by the contractor before anv construction begins <br /> With pmper installation and maintenance,this system shouid have no problem in treating septic effluent <br /> effectively.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.Addirives must not be used they <br /> may cause harmful damage to your septic system.It is recommended that you pump the septic tanks every <br /> two years. <br /> Sinc ly, <br /> � �'ITY 4F ORONQ <br /> SEATIC FER IT LAN REVIEW <br /> Joseph J.Olson INSP�CTOR, ��— <br /> DATE •RMtT NO.�,� <br /> nr�kovr: ns st:t�tiirrro <br /> � AI'PROVFD WITH CURRF;CTIONS AS T1'O'i'6p <br /> KOT APPROVF.[)-CORKECT&RESL'B�tIT <br /> Thc,c commcnts arc fi,r your inli�rm�rtion. All werk shafl be donC RECEIVED <br /> ��e�'S►hMfMtCw!y� in full cumrliancc�vith ull ap�,lics�blc scptic and r.oning coJc. <br /> I/GJ t7fiL{J�Nlti itryuircn,cn�,inciuding itcm,not�pccil'icEilly notcd in this revie�v. <br /> BEOROOMS. ANY INCREASE 11Y 1V�MBER h� � �' rfii5 r��:��sr-r�,;�sri t:nT n�t.ri�tr:s JUI. 0 8 2014 <br /> Of BEDROQMS iNYAUDATfS THIS DESIGN. <br /> CITY OF ORONO <br />