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DIRECTOR <br />Craig O. Luedeman <br /> <br />BUILDING INSPECTION <br />(503) 5~-5'147 <br /> <br />PLANNING & <br />ENFORCEMENT <br />(503) 5~-5038 <br /> <br />BOARD OF <br />COMMISSIONERS <br />Randall Franke <br /> <br />ADMINISTRATIVE <br />Ken Roudybush <br /> <br />Marion County <br /> <br /> OREGON <br />COMMUNITY DEVELOPMENT <br />DEPARTMENT <br /> <br />1/7/92 <br /> <br />DEAN MCPIKE <br />8342 BISHOP ROAD SE <br />AUMSVILLE, OREGON 97325 <br /> <br />MAR ON COUNTY <br />BUILDING INSPECTION <br /> <br />SUBJ: <br /> <br />SEPTIC SYSTEM REPAIR EVALUATION <br />SITE ~ 15279, APPLIC. ~ 9037657 <br />T. 8S., R. 1W., SECTION 31 <br /> <br />I examined the soil test pits for the proposed septic <br />system repair. Soil conditions are not acceptable to <br />consider the site for a standard system, but the soil is <br />marginally suitable to construct an alternative sand <br />filter plus a full capping fill system repair. As the <br />conditions are marginal, the drainfields must be con- <br />structed only within the immediate area of the soil test <br />pits. <br /> <br />The appropriate sand filter system for your three bedroom <br />residence will include a 1000 gallon dosing septic tank <br />and 150 lineal feet of drainfield. The drainfield trench- <br />es must be limited to 12 inches deep ( minimum/maximum) <br />into the natural undisturbed topsoil. Sixteen inches of <br />similar capping fill material will be necessary to cover <br />the shallow drainline trenches. Normally the installation <br />of the capping fill material is limited to the dry summer <br />season. Since the repair is necessary at thiM time to <br />correct and existing health hazard, the drainline trench- <br />es may need to be constructed to the point of installing <br />the fill and secured with a protective filter fabric <br />until the fill material can be installed at a later date. <br /> <br />The plans for the sand filter repair system should be <br />submitted for a plan review at this time. When the plans <br />are approved the permit can be issued to a licensed <br />septic system installer of your choice. <br /> <br />Refer to the enclosed setback list which outlines the <br />minimum separation distances between components of the <br />septic system and other features. Call, if you have any <br />questio~s~ ~ ~ <br /> <br />Senator Building 220 High Street NE Salem, Oregon 97301-3670 <br /> <br /> <br />