Laserfiche WebLink
� <br /> ' .T <br /> 1 <br /> 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 <br /> (763)498-8779 Fax (763) 498-8290 <br /> Apri18,2016 <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 1,five bedroom home in accordance with the <br /> Minnesota Pollution 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 /> ef�luent.The bottom of the treahnent 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 10 MPI. <br /> All 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 /> Use 7/32 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 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 /> Keen all heavv eauinment off of the nrouosed treatment areas before during and after construction <br /> The area around both sites must be fenced off by the contractor before anv construction begins <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 nor 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 /> Sincerely, � <br /> Joseph J.Olson <br /> RECEIVED <br /> APR 112016 <br /> CIIY OF ORONO <br />