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it <br /> Marion County <br /> OREGON <br /> PUBLIC WORKS <br /> August 30, 2021 <br /> (503) 8 5 8-5036 <br /> Mark Courtney <br /> BOARD OF 120 Sorbin Ave E <br /> COMMISSIONERS Gates OR 97346 <br /> Kevin Cameron <br /> Sam Brentano CC: Hopson Services <br /> Colm Willis <br /> RE: Proposed major repair permit no. 555-21-008417 at 120 Sorbin Ave E, <br /> DIRECTOR Gates <br /> Brian Nicholas,P.E. <br /> ADMINISTRATION Dear Mark, <br /> BUILDING I have evaluated test pits at the above referenced property for the purpose <br /> INSPECTION of your major repair application, my findings are below: <br /> EMERGENCY Approved Area & System Type <br /> MANAGEMENT Soil test pits and other site features were evaluated during the site visit on <br /> ENGINEERING August 23, 2021. Conditions observed during this site evaluation indicate <br /> that the area around the evaluated test holes is not capable of supporting <br /> ENVIRONMENTAL a Standard septic system due to the following limitations: <br /> SERVICES <br /> Depth to Soil with Rapid or Very Rapid Permeability <br /> OPERATIONS <br /> DEQ Rule requirement: Soil with rapid or very rapid permeability <br /> PARKS must be 36" below the ground surface. "Soil with rapid or very rapid <br /> PLANNING permeability" refers to sandy loam or coarser soil with 35% or more <br /> coarse fragments over 2mm; loamy sand or sand; or stones, cobbles, <br /> SURVEY gravel and rock fragments with too little soil material to fill the void <br /> spaces. OAR 340-071-0220(1)(c) <br /> Description: Treatment of sewage occurs in the soil around the <br /> drainfield area. If the sewage enters the groundwater before it has <br /> been adequately treated in the soil, it poses a potential public health <br /> hazard. A layer of rapid permeability was observed around 0 inches <br /> at this site. <br /> Specific Requirements <br /> This property will require a 400 square foot seepage bed absorption <br /> system. OAR 340-071-0275 normally requires 500 square feet <br /> minimum for a 3 bedroom dwelling, however per OAR 340-071-0215 <br /> and HB 2289 a reasonable repair will be granted. Space is extremely <br /> 5155 Silverton Road NE•Salem,OR 97305-3802• www.co.marion.or.us/PW <br /> Printed on recycled paper• Reduce—Reuse—Recycle-Recover <br />