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, <br /> ,� � _ <br /> • ����'�� ����� THIS SYSTEM lS DESIGNED FOR <br /> �BEDROOMS. ANY INCREASE IN NUMBER <br /> OF BEDROQMS 1NVALIDATES TNIS DESIGN. <br /> Joseph Olson D.B.A. <br /> �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) 498-8290 /' " ' <br /> Revised February 26,2015 <br /> Denali Custom Homes � <br /> 4565 Bayside Road <br /> Orono, Hennepin County <br /> This on-site Sewage Treatment System is designed to change a Type 1,three bedroom house into a Type 1, <br /> five bedroom house in accordance with the Minnesota Pollution Control Agency Chapter 7080 and local <br /> ordinances. <br /> The periodically saturated soils were located at 24 inches(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 /> All neighboring wells are located greater than 100' away from proposed treatment area. <br /> The existing mound rock bed is 41 foot long as per city records. The rock bed must be extended 22 feet for <br /> a total of 63 feet of rock bed.This will conform to a type 1 five bedroom house.The existing rock bed does <br /> conform to the three foot separation to the saturated soils. <br /> The soils at a depth of 12"have a percolation rate averaging 13 MPI. <br /> The existing septic tanks must be abandoned and two new 1300 gallon septic tanks need to be installed. <br /> Al(tanks 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 /> 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.A flow measurement device must be installed. Including but not limited to a water meter,event <br /> counter,running time clocks or electronically controlled dosing. <br /> Keep all heavv equinment off of the pronosed treatment areas before and after construction The <br /> area around both sites must be fenced off bv the contractor before any construction begins This <br /> DesiEn is not valid and the Svstem will need to be relocated if failure to protect the areas arouosed <br /> for On-Site Sewage Treatment occurs. <br /> With 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 /> may cause harmful damage to your septic system. It is recommended that you pump the tanlc eve�r two <br /> years for two tanks. CITY OF ORUNO <br /> Sincerely, SEPTIC PEC.M[T PLAN REVIEW <br /> 1NSPECTOR �n�����336 <br /> DATE �� � ERMIT NO. <br /> Joseph J. Olson � Arruo�r ns st;t��tTTrD <br /> i L� APPROVGD�V1T}1 Ct)RRF•.CTlOI�S AS�OTF.D <br /> � I�OT APPROVF.D-C(1RRECT&RFSl:R�11T <br /> L_1 ao�a <br /> Thcsc cmnments urc f�or your infonnation. Ali work shu(1 bc <br /> in full compli:mcc�vith all applicubtc septic and r.oning cudc. <br /> Rrquiretncnts including itetns not speciiicnily notcd in lltiis review. <br /> KL•GP THIS PLAK SEf U�SlTB AT ALL TIMGS <br />