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Septic Permit 555-24-006706-PRMT Page 2 of 3
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<br /> •Dry soil installation only(June 1—October 1 unless otherwise authorized by the agent).
<br /> -The system must be installed by the property owner or a licensed sewage disposal business(installer).
<br /> -Vehicular traffic and livestock must be restricted from the system area.
<br /> •All roof drains must be directed away from the system
<br /> -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.
<br /> Thirty-inch minimum diameter if greater than 36-in deep.Maintain access to septic tank for pumping and service.
<br /> •Meet all required setbacks
<br /> •The system must be installed in the area approved during the site evaluation and in accordance with the construction plan approved by the agent,
<br /> including any changes made by the agent.
<br /> •All work is to conform to OAR 340,Division 71 and 73.Make no changes in system location or specifications without approval by the agent.
<br /> -For product approval information and manufacturer Installation requirements see DEQ website at:
<br /> http://www.oregon.gov/deq/Residential/Pages/Onsite.aspx
<br /> -An anti-buoyancy device is required for the septic tank(s)and must be Installed as per the manufacturer installation guidelines.
<br /> •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
<br /> pipe from tank to drainfield.
<br /> -Effluent sewer.The effluent sewer must extend at least 5 feet beyond the septic tank before connecting to the distribution unit.It must be installed with a
<br /> minimum fall of 4 inches per 100 feet and at least 2 inches of fall from one end of the pipe to the other.In addition,there must be a minimum difference of 8
<br /> inches between the invert of the septic tank outlet and either the invert of the header to the distribution pipe of the highest lateral in a serial distribution field
<br /> or the invert of the header pipe to the distribution pipes of an equal distribution absorption field.
<br /> -Header pipe from Distribution or Drop Box must be minimum 4-ft length,level,and bedded.
<br /> -Each drainfield trench must be level within a tolerance of plus or minus 1-inch.
<br /> •Maximum length of an individual trench is 150-feet.
<br /> -Serial distribution,each trench bottom to be level and on contour.Use Drop box(es).
<br /> -Groundwater Interceptor,Curtain Drain required:Minimum trench width 12-inches.Minimum perf pipe diameter 4-inches;must meet the requirements in
<br /> 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
<br /> 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
<br /> 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
<br /> 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
<br /> dewater the site.
<br /> Installation of this onsite wastewater treatment system has been determined to comply with the applicable requirements in
<br /> Oregon Administrative Rules Chapter 340, Divisions 071 and 073 and the Conditions of Approval above.
<br /> 1. In accordance with Oregon Revised Statute 454,665,this Certificate of Satisfactory Completion is issued as evidence of
<br /> satisfactory completion of an onsite wastewater treatment system at the location identified above.
<br /> 2.Issuance of this Certificate does not constitute a warranty or guarantee that this onsite wastewater treatment system will
<br /> function indefinitely without failure.Conditions imposed as permit requirements continue for the life of the system.
<br /> 3.The area of the initial and the identified replacement area must not be subjected to activity that is likely to adversely affect
<br /> the soil or the functioning of the system.Such activities may include,but are not limited to,vehicular traffic, livestock,
<br /> covering the area with asphalt or concrete,filling,cutting,or other soil modification activities.
<br /> 4.This onsite wastewater treatment system that be connected to the facility referenced herein within 5 years of the issuance
<br /> of this Certificate of Satisfactory Completion(CSC)or rules for authorization notices,alteration permits,or
<br /> construction-installation permits as outlined in OAR 340-071-0160,340-071-0205,or 340-071-0210 apply, including payment
<br /> of an additional fee.
<br /> 5.This system must operate in compliance with OAR Chapter 340, Division 071 and must not create a public health hazard
<br /> or pollute public waters.
<br /> 6.Unless otherwise required by the agent,the system installer must backfill(cover)this system within 10 days after the
<br /> issuance of this Certificate of Satisfactory Completion.
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<br /> System Inspection: Yes Operation of Law-7 Days Notice: No Pre-Cover Inspection Waived Per 340-071: No
<br /> Comments: N/A
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<br /> 9/27/24:1:38:28PM ONS_OnsiteCSC pr
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