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Marion County <br /> dli q�ih1pll` <br /> OREGON <br /> m1PUBLIC WORKS <br /> July 19, 2021 <br /> (503)588-5036 <br /> Marino Vasquez <br /> BOARD OF 856 Blaine St <br /> COMMISSIONERS Woodburn, OR 97071 <br /> Kevin Cameron,Chair <br /> Danielle Bethell RE: Major Alteration permit application no. 555-21-004633, at 9929 <br /> corm Willis Crosby Rd NE Woodburn, OR 97071 <br /> DIRECTOR <br /> Brian Nicholas, P.E. Dear Mr. Vasquez, <br /> ADMINISTRATION The area surrounding pit #4 is approved for a STANDARD EQUAL <br /> DISTRIBUITION SYSTEM. The area surrounding pit #1 is approved for <br /> BUILDING Alternative Treatment Technology (ATT) system with a capping fill or <br /> INSPECTION gravelless absorption drainfield. <br /> EMERGENCY The applicant may choose either approval as an initial or a repair. <br /> MANAGEMENT <br /> • ENGINEERING Pits #2 and #3 are denied, due to high water table and soil modifications <br /> concerns prohibited by OAR 340-071-0220(1). <br /> ENVIRONMENTAL <br /> SERVICES Approved Area & System Type <br /> Soil test pits and other site features were evaluated during the site visits <br /> OPERATIONS on May 17, 2021 & July 15, 2021. During these evaluations, it was found <br /> PARKS that a temporary water table is present on this property. This led to pits #2 <br /> and #3 to be denied, due to soil modification prohibited under OAR 340- <br /> PLANNING 071-022O(1)(f) and high temporary water table under OAR 340-071- <br /> 0220(1)(b), for each respectively. <br /> SURVEY <br /> The area around pit #1 has a high water table, with temporary water <br /> coming up to within 12" of the surface. This system approval is for an ATT <br /> with a capping fills or gravelless absorption drainfield. <br /> The area around pit #4 exhibits a temporary water table 33" below the <br /> surface, allowing for a standard equal distribution approval. <br /> Specific Requirements <br /> Specific sizing and site placement details can be found on the attached <br /> Soil Notes Form and Site Map. <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 />