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_ a ,�� �UG� /G�v�" f�GCL <br /> 1 ������ ���� <br /> �-- l z�d s ���� <br /> �,v�� ., �� Joseph Olson D.B.A. <br /> usty Olson's--Soil and Percolation Testing <br /> l�� / � ` ` Joseph J. Olson--MPCA License#810 <br /> l� / ��G7 11481 Riverview Rd. NE,Hanover,MN 55341 <br /> (763) 498-8779 Fax (7b3) 498-8294 <br /> TNIS SYSTEM tS OESiGNED FDR <br /> ,,,�BEDRQOMS. ANY INCREASE 1!V NUMBER <br /> ,�pri18,2016 flF B�ROOMS IIVYAUDATE$1'HIS DESiGN. <br /> Divine Custom Homes <br /> Lot 3,Block 2 Mooney Lake Preserve <br /> Orono,Hennepin County <br /> This on-site Sewage Treatment System is designed for a Type 3,fve bedroom home in accordance with the <br /> Minnesota Pollurion Control Agency Chapter 7080 and local ordinances. <br /> The periodically saturated soils were located at 14-20 inches{mottled soil). Due to the periodically <br /> saturated soils,a pressurized mound system with 6 inches of rock will need to be installed to treat the septic <br /> effluent.The bottom of the treatment area must be Iocated at least 3'above the saturated soils.This system <br /> is designed with 6 inches of rock. <br /> The soils at a depth of t2"have a percolation rate averaging 10 MPT. <br /> All tanks rteed to be insulated if there is less than two feet of cover over the top of the tanks. Clean onts <br /> must be installed an the end of the laterals for maintenance. <br /> ,�� <br /> Use 7l32 inch perforations on the laterals. <br /> A 1250 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 chunber in a weatherproof <br /> enclosure.A warning device must be installed with light and sound devices;this is in case of a pump <br /> failwe.A flow measurement device must be installed. Including but not]imited to a water meter, event <br /> counter,running time clocks or electronical4y controlled dosing. <br /> Keep all heavv eauinmeni off of the proposed treatment areas before,durine and after construction. <br /> The area around both sites must be fenced off bv the contraetor before anv construetion beQins. <br /> With proper installation and maintenance,this system shouId have no problem in treating septic ef�luent <br /> effectively.Nothing other than gray water,(launclry, 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 used they <br /> may cause harmful damage to your septic system. It is recommended that yau pump the septic tanks every <br /> two years. <br /> Sincerely, <br /> CiTY OF ORONO <br /> `""~-- SFPTiC P � MIT PL E IEW <br /> L Joseph J.Olson TNSPFCTO <br /> �ATF. PER IT NO. 2191r�_(QQ�t.��' <br /> C� APPrt ��cn ns scr�tirrrr•.n <br /> � ni�r��io��rt����iTF�cc�riarcTtoxs ns nroTen <br /> rc��r nt�rRc�vr:n.cc�aKfcT&rtFSi:n�uT <br /> ;;,,,�, Th��.c r��nuucnts tvc li�r your inli>rmatiun. All work shall be daN <br /> in I11U GVq1pI1ti17CC tvltlt all:�pplic;ibic scptic und zoning vuJc. <br /> It�etttirt�ncnts iizcluding items nut specificEtlly noted in lltis revlCw. <br /> �:I:.I.i"'PIItS PLA�Sf:f Uh SfPE AT ALL TIMGS <br />