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f a <br /> nc <br /> Marion County <br /> -�-� OREGON <br /> PUBLIC WORKS <br /> December 22, 2021 <br /> (503)588-5036 <br /> Dama Curtright <br /> BOARD OF 4135 Paradise Hill Drive SE <br /> COMMISSIONERS Turner; OR 97392 <br /> Kevin Cameron,Chair <br /> Danielle Bethel) <br /> Colm Willis <br /> RE: Proposed major repair permit no. 555-21-011989 located at 4087 <br /> DIRECTOR Wintercreek Road in Jefferson, OR <br /> Brian Nicholas, P.E. <br /> ADMINISTRATION <br /> BUILDING To Whom it May Concern <br /> INSPECTION <br /> We have completed our site evaluation for the proposed major repair at <br /> EMERGENCY the above referenced property, please see the findings below: <br /> MANAGEMENT <br /> ENGINEERING Approved Area & System Type <br /> ENVIRONMENTAL Approved Area & System Type <br /> SERVICES Soils test bits and other site features were evaluated on December 8th and <br /> December 16th 2021. Details of the evaluation can be found on the <br /> OPERATIONS attached field sheet and site map; however, conditions observed during <br /> this site evaluation indicate that the area around the evaluated test holes <br /> PARKS cannot be approved for a STANDARD system due to the following <br /> PLANNING reason(s): <br /> SURVEY Limited Soil Depth to Saprolite <br /> At this site, the soil depth in the evaluated area is limited; this signifies that - <br /> the treatment of the effluent within the soil will also be limited. Providing <br /> pre-treatment__to__this_system._under_OAR 340-0-7-_1-290(2)(d)__is_intended_to-_______ <br /> attenuate the effluent properly before dispersal to the limited soil. <br /> This repair will need to be 150 linear feet of drainline installed at a depth of <br /> 18-24 inches, with a hydro splitter to achieve equal distribution on a slope, <br /> a hydro splitter requires a pump and an alarm. <br /> Alternative systems include SAND FILTERS, RECIRCULATING GRAVEL <br /> FILTERS, and ALTERNATIVE TREATMENT TECHNOLOGIES. <br /> Alternative systems are installed where soil, drainage, water table levels, <br /> or space limitations do not allow for a standard system installation. The <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 />