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• <br /> County Commissioners 40 <br /> ,, s Director <br /> Kevin Cameron,Chair `'" ®� Brian Nicholas,PE <br /> Danielle Bethel <br /> Cohn Willis Man on Deputy Director <br /> County <br /> Dennis Mansfield <br /> Chief Administrative Officer OREGON <br /> Jan Fritz <br /> MARION COUNTY PUBLIC WORKS <br /> 1/2/24 <br /> Amendment to original site evaluation done in 2007,visual inspection was done by Kim Aldrich on <br /> January 2,2024.The weather at this time was excessive rain there was no water in depressions on both <br /> side of approved area,soils were observed and textured in a cut below the approved area to the NW. <br /> there is no limiting layer and soils were loam over clay loam well drained to a depth of 65+inches. Based <br /> on visual observations,excessive drainage engineering requirements are not needed.A seepage trench <br /> drainfield will be allowed, it is not a lot of record before January 1st 1974, but this office is allowing for a <br /> compromise of the usage of seepage trenches,due to prior approval in 2007 without stake out and <br /> unneeded drainage requirements. <br /> Available space will be limited,so this amendment will allow for 171 linear ft of seepage trench installed <br /> at a trench depth of a maximum of 42 inches and a minimum of 38 inches deep,with a total of 30 inches <br /> of gravel with 24 inches under the pipe. <br /> Kim Aldrich <br /> EH-W10147892 <br /> Marion County Onsite Septic Inspector <br /> . <br /> 5155 Silverton Road NE Salem,OR 97305•www.co.marion.or.us•Phone:(503)588-5036■FAX:(503)588-7970 <br />