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Septic Permit 555-18-008977-PRMT Page 3 of 4 DateCertificate Issued 06/05/2019 , WorkDescription AUTH MAJ ALT:-REPL 3 BDRM SFD°WITH 3 BDRM SFD NEW`SYSTEM Approved Area&System Type Test pits and other site features were evaluated on December 13, 2018. The conditions observed during this site evaluation indicate that the area around the test pits is capable of supporting a STANDARD system for the ALTERATION. Plans are approved as REVISED. Please refer to the signed approved site plan dated January 18, 2019. Any deviation from the approved plans must be authorized by this office prior to installation or the permit may be voided. It is the responsibility of applicant/installer to coordinate these requirements with all others in OAR 340-071-0220. This Permit is for a system designed to serve a single family dwelling with a maximum of 4 bedrooms. Peak sewage flow into the system is limited to a maximum of 450 gallons per day,with an average sewage flow of not more than 225 gallons per day. Premature failure of the treatment system may occur if either of these flow quantities is exceeded. If,for some reason, you expect your domestic household water use may exceed these flows, it is advisable to increase the size of the treatment system. Specific Requirements TANK RISER: A watertight riser must be installed to extend to the ground surface or above. The riser lid must be gasketed and securely fastened. EFFLUENT SEWER:The effluent sewer is the pipe from the septic tank to the distribution box. The material required is 3034 or Schedule 40 pipe with 18-gauge minimum green tracer wire or green metallic tape placed along the pipe. The effluent sewer shall extend at least five(5)feet from the tank. There must be a minimum difference of eight(8)inches between the invert(flow line)of the septic tank outlet and the invert of the distribution or drop box outlet. In Equal Distribution, there must be six(6) inches of fall between the septic tank outlet and the distribution box inlet. In Serial Distribution, there must be two (2) inches of fall between the septic tank outlet and the drop box inlet. HEADER PIPE between Distribution Box and drainfield trench must measure a minimum of 4 feet, must be installed level, and bedded on undisturbed earth. DO NOT INSTALL SYSTEM DURING WINTER MONTHS (Nov. 1 —March 1) The geographical area in which the property lies is considered a risk to installation during winter months. Therefore,for this installation a-Marion County Onsite Wastewater Specialist must specifically approve soil moisture conditions at this site for installation to occur during the period from November 1st to March 1st. This may include a field visit directly prior to installation. OBSERVE ALL SETBACKS AND SEPARATION DISTANCES as required by the Department of Environmental Quality rules. A copy of the DEQ setback requirements is available in our office and online at http://www.oregon.gov/deq/Residential/Pages/Onsite.aspx under Rules: Division 71:Table 1. THE ATTACHED SEPTIC TANK ABANDONMENT FORM MUST BE COMPLETED AND RETURNED TO OUR OFFICE. The septic system installer must complete and sign the form and attach a copy of the receipt from the septic tank pumping service for pumping the tank. THE APPROVED SEPTIC SYSTEM AREA MUST BE PROTECTED from any vehicular traffic, livestock and farming activities. Other activities such as excavating or filling, driveway placement, paving or other similar activities that alter the natural soil conditions will adversely affect the soil and the septic system function and lead to premature system failure. The area must not be subjected to excessive saturation due to artificial drainage of ground surfaces, driveways, building downspouts or other sources. The areas of the initial septic system and the 6/5/19:3:56:29PM Page 3 of 4 ONS_OnsiteCSCjr