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,.� � _— <br /> C/.-�� /� �v /✓ <br /> / � ✓ <br /> ✓ <br /> l�� (�3 Joseph Olson D.B.A. <br /> 3� ��,� �q, � 7��usty 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-$290 <br /> November4,201� (J�,J `� � 5•� , ,�v��Vt,W S S�� . <br /> Swanson Homes � <br /> Lot 14,Block 3 I:akeview of Orono <br /> Orono,Hennepin Counry <br /> This on-site Sewage 1'reatment System is designed for a Type 1, five bedroom home in accordance with the <br /> Minnesota Poilution Control Agency Chapter 7080 and]ocal ordinances. <br /> The periodically saturated soils were located at 12-28 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 /> ef'fluent. The bottom of the treatment area must be located at least 3' above the saturated soils. This system <br /> is designed with 6 inches of rock. <br /> The soils at a depth of 12"have a percolation rate averaging 4.6 MPI. <br /> All tanxs 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 /> lise 7i32 inch perforations on the laterals. <br /> A 1300 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 pumping chamber. <br /> fCeep all heavv equipment off of the proposed treatment areas before during and af'ter construction. <br /> The area around both sites must be fenced off bv the contractor before anv construction beeins. <br /> `Nith proper installation and maintenance,this system should 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.Additives must not be used they <br /> t��ay causz harmfu; damage to your septic system. lt is recommended that you pump the septic tanks every <br /> two year�. <br /> Sincerely, � <br /> w/ <br /> �. .;osepn�. Olson CI'I'Y�F �R�ND <br /> SEPTIC PERMIT PLAN REVIEW <br /> INSPECTOR <br /> i"—'\ PERMIT NO. <br /> APPROVED AS SL'AMITTED <br /> � APPROVGD WITH CORRFCTIONS AS T�'OTEn <br /> THiS SYSTEM IS DESIGNED FQR NOT AAPROVBD-CORRECT&RESI;841IT <br /> These comments aro for your information. Ali work shxll bc done <br /> in full complianee with sU upplicable septic unel zoning code. <br /> BEDROOMS. pNY INCRfASE IN NUMBER Requimments inciuding items not specificuliy notcd in thu revicw. <br /> OF BEDROOMS INVALtDATES THIS DESlGN. KfiEP THIS PLAN S6T UN StTE AT ALL Ti�i�s <br />