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Onsite Permit 555-19-002304-PRMT EXPIRE Pa 4 of 6 Schedule or track inspections at www.buildingpermits.oregon.gov Call or text the word "schedule" to 1-888-299-2821 use IVR Number:555006057598 Schedule using the Oregon ePermitting Inspection App, search"epermitting"in the app store Date issued:9/11/19 ^ .. .. Expiration date: 9/10/2C Work description: MAJ ALT. 3 BDRM SFD MOVING OF ONTO OWN PROPERTY Conditions of approval Approved Area&System Type Site and soil conditions were evaluated during two site visits on April 9,2019 and July 19,2019. Conditions observed around the test pits are approved for a STANDARD system for the alteration and for the REPAIR. Plans are approved as revised. Please refer to the signed approved site plan dated September 10, 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 approval 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 EXISTING TANK IF APPLICABLE+500 GALLON CONCRETE DOSING TANK AN EFFLUENT LIFT PUMPWILL BE REQUIRED to install the septic system disposal field in the approved area and at the required depth. Detailed instructions for dosing tank/effluent pump installations are available in our office. The electrical wiring to the pump and alarm must be installed in accordance with the appropriate Electrical Code. The electrical work must be done under a Marion County Electrical Permit and must be inspected and approved by a Marion County Electrical Inspector. The work must be left uncovered and accessible for inspection. The electrical inspection includes the connections to the pump and alarm in the dosing tank,the wiring in the trench and the connections in the structure. The effluent pipe must have 18-gauge minimum green tracer wire or green metallic tape placed along the line. A CURTAIN DRAIN(GROUNDWATER INTERCEPTOR) IS REQUIRED as part of this system to divert groundwater from the drainfield. The curtain drain trench must be constructed a minimuml2 inches wide by 42 inches deep with 30 inches of clean gravel placed over a 4 inch perforated pipe(ASTM Specification F 405, D 2729 or F 810). Gravel must be placed a minimum of 2 inches under the pipe. The gravel must be covered with filter fabric. Outlet pipe must be rigid,smooth-wall,solid PVC pipe meeting or exceeding ASTM Standard D-3034. The outlet must be fitted with a flap gate or rodent guard. The curtain drain must be located at least 10 feet up slope from the disposal field and must discharge through a watertight non-perforated pipe beside or below the disposal field. A minimum separation of 10 feet is required from the septic tank if the tank is located up slope of the curtain drain and 5 feet if the tank is located down slope of the curtain drain. HEADER PIPE between Distribution Box and drainfield trench must measure a minimum of 4 feet, must be installed level,and bedded on undisturbed earth. 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 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 9/11/19:8:57:09AM Page 4 of 6 ONS_OnsitePerrnit_pr