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Onsite Permit 555-21-011989-PRMT Page 3 of 4 Schedule or track inspections at www.buildingpermits.oregon.gov Call or text the word "schedule"to 1-888-299-2821 use IVR Number:555097964273 Schedule using the Oregon ePermitting Inspection App, search"epermitting"in the app store d.. e .y µ;., 4T-'sA''PF .e.3,f'�'�"'7�'F"' mA 3 '' ^" I atelSSiied� l� e a as piratinn Clad? 1 ze 4% + .ate,' ti z a-` a.s, - `� -�, .�"xi-'s.� , �,: = .� y, '�j.a i'�* Wurk0:00tioit REF' �t s b �� 3.--,:.. Nf = mi1.�., ., ,..�, ' 3. q;;,v. .'� .� -- ,,..E r, ........A ,,•.�y'. 4<.,t .i. s r..' -+�--> Conditions of approval -This permit is for the installation of an Alternative Treatment Technology(ATT)system and is to be installed by a person certified by the system manufacturer in accordance with OAR 340-071-0600 and 0650.See Alternative Treatment Technology rules at OAR 340-071-0345. •The ATT system must be designed to prevent untreated waste from passing into the absorption field if the treatment system malfunctions. •The septic tank must be approved for use with the ATT system to be installed. •In addition to the As-Built and Materials List,a Start-Up checklist from the ATT maintenance provider is required to Final this permit. •The owner of an ATT system must maintain a contract with a maintenance provider certified by the manufacturer to inspect,adjust and maintain the onsite system.The maintenance provider must submit an annual report and annual evaluation fee. •The system using a hydrosplitter is to be pressurized only to the hydrosplitter,and is to utilize gravity flow from the hydrosplitter to the disposal trenches.Drop boxes(or other inspection ports)must be installed as monitoring ports between the hydrosplitter and the drainlines •The hydrosplitter must be enclosed in a secure enclosure with a solid,watertight bottom to eliminate the effect of rodents filling the enclosure with soil. •An electrical permit and inspection from the Department of Consumer and Business Services, Building Codes Division,or the municipality with jurisdiction,is required for pump wiring installation. •ATT treatment standard 1 required. •Dry soil installation only(June 1 —October 1 unless otherwise authorized by the agent). •Vehicular traffic and livestock must be restricted from the system area. •All tanks must be tested for watertightness and have a water-tight riser to the ground surface.Twenty-inch minimum diameter if less than 36-in deep.Thirty-inch minimum diameter if greater than 36-in deep. Maintain access to septic tank for pumping and service. •Meet all required setbacks •The pump and alarm must be wired on separate circuits in the control panel. Pump wiring must comply with applicable building, electrical,or other codes. •An anti-buoyancy device is required for the septic tank(s)and must be installed as per the manufacturer installation guidelines. •A minimum 18-gauge,green-jacketed tracer wire or green color-coded metallic tape must be placed on top of the effluent sewer or pressure transport pipe from tank to drainfield. •Header pipe from Distribution or Drop Box must be minimum 4-ft length, level,and bedded. •Each drainfield trench must be level within a tolerance of plus or minus 1-inch. •Groundwater Interceptor,Curtain Drain required:Minimum trench width 12-inches.Minimum perf pipe diameter 4-inches;must meet the requirements in OAR 340-073-0060(4);and must be installed at least 2 inches above the bottom and along the full length of the trench with a minimum of 10 inches of drain media cover The curtain drain must be filled with drain media to within 12 inches of the ground surface with filter fabric placed over the media. The outlet pipe(s)must be rigid smooth-wall,solid PVC pipe meeting or exceeding ASTM Standard D-3034 with a minimum diameter of 4 inches.A flap gate or rodent guard must be installed.The curtain drain must extend at least 6 inches into the layer that limits effective soil depth or to a depth adequate to effectively dewater the site. •The hydrosplitter must be located at least 6 inches higher than the piping in the highest disposal trench to ensure that effluent in the top line does not spill back into the hydrosplitter. 1/6/22:10:22:35AM ONS_OnsitePermitpr