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20921 Olmstead Rd. NE, Aurora <br />93-02241 (48077) -.: .: <br />July 19, 1993 <br /> <br />Marion <br /> OREGO.~' <br /> <br /> D£RART/W£NT <br /> <br />Building Inspection - Dwelling Plan Review <br /> <br />The attached plans have been reviewed for compliance with the State of oregon <br />1990 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 when required by the building official shall be <br />kept on the site of the building or work at the time of inspection. (R- <br />111.2) <br /> <br />Footings shall extend not less than 12 in. below the finish natural <br />grade. (R-303) <br /> <br />Foundation 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 />Foundation plates shall be bolted to the foundation with minimum <br />1/2 inch diameter by 10 inch anchor bolts embedded at least 7 inches <br />into concrete or reinforced masonry and spaced not more than 6 feet <br />apart with a minimum of 2 bolts per piece with one bolt within 12 inches <br />of the end of each piece. Figure (R-303) <br /> <br />Provide at least I square foot of underfloor ventilation for each 150 <br />square feet of crawl space area. The openings shall be covered with a <br />corrosion resistant wire mesh. At least one such opening shall be <br />provided within 3 feet of each corner of the building. (R-311.1) <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 heated area of the addition shall comply with the 1992 Residential <br />Energy Code requirements. No insulation is noted on the plans. There <br />are nine equal paths to choose from for compliance with this code. Each <br />path has its own individual construction requirements which you need to <br />comply with to use that particular path. Compliance with the Base Path <br />~1 requires R-25 insulation in the floor, R-21 insulation in the walls, <br />R-38 insulation in flat ceiling areas and R-30 insulstiTn in the vaulted <br />ceiling areas. There are also door and window requirements. See the <br />attached sheet Table No. 53-P for requirements. <br /> <br />"APPROVED" only when this sheet is attached to plans <br /> <br /> <br />