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13470 Lakewood Dr. NE, Aurora <br />94-01868 (S49S4) <br />June 1, 1994 <br />Page 1 <br /> <br />Marion County <br /> OREGON <br />COMMUNITY D[VELOPMI~NT <br />DEPARTMENT <br /> <br />Building Inspection - Dwelling Plan Review <br /> <br />The attached plans have been reviewed for compliance with the state of Oregon <br />1993 Edition One and Two Family Dwelling Specialty Code. <br /> <br />This plan review covers the addition to and/or alteration of an existing <br />structure. This review is not intended to prohibit the building <br />inspector from requesting an evaluation of the acceptability of existing <br />structural members that may appear to be unsafe. Existing construction <br />not specifically detailed in the submitted plans and structural <br />calculations is beyond the scope of this review. <br /> <br />A copy of approved plans shall be kept on the site of the building or <br />work at the time of inspection. (R-iI1.2) <br /> <br />Footings shall extend not less than 12 in. below the finish natural <br />grade. (R-303) <br /> <br />Pou~dation walls shall extend at least 8 in. above the finished grade to <br />the foundation at all points. (R-304.2) (6 in. where pressure treated <br />sill plates are used.) <br /> <br />The foundation and its structural elements shall be capable of <br />accommodating all superimposed live, dead and other loads according to <br />Section R-201 and all lateral loads in accordance with the provisions of <br />the Code and accepted engineering design practice. (R-301.2) <br /> <br />A keyway in the footing is an acceptable method and will transfer the <br />lateral loads, provide a 18 inch long No. 3 dowels extending 12 inches <br />from the footing into the wall, 4 feet on center or the footing and <br />stemwall in one pour (monolithically). <br /> <br />Provide an access crawl hole to the underfloor space. The minimum size <br />opening required is 18 inches by 24 inches. (R-311.2) <br /> <br />The garage shall be completely separated from the residence and its <br />attic area by means of 1/2-inch gypsum board or equivalent applied to <br />the garage side. (R-209.2) <br /> <br />Bathrooms shall be provided with artificial light and an approved <br />mechanical ventilation system capable of producing a change of air every <br />12 minutes or a window of not less than 3 sq. ft., one-half of which <br />must be openable. (R-203.3) <br /> <br />The maximum span for 2×6 rafters at 16" D.C. is 13'-0". These rafters <br />are spanning 12'-6". The spacing of the 2x6 rafters may be increased to <br />24" D.c. with purlin bracing to a bearing wall to reduce the span of the <br />rafters. <br /> <br />"APPROVED" only when this sheet is attached to plans <br /> <br /> <br />