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J~;uilding Cod¢$ Division <br />1535 Edsewater NW <br />Salem, OR 973I(I <br />Telephone (503) 375,.4133 <br />Fa× (503) 378-2322 <br />TDD (503) 378-1358 <br /> <br />FEBRUARY 3, 1995 <br /> <br />DEPARTMENT OF <br /> <br />CONSUMER AND <br /> <br />BUSINESS SERVICES <br /> <br />SANDRA FREILINGER PLANS EXAMINER <br />MARION COUNTY BUILDING DEPARTMENT <br />285 CHURCH STREET NE ROOM 132 <br />SALEM OR 97301-3670 <br /> <br />RE: AWNINGS & CARPORTS <br /> <br />'As we discussed over the phone, OAR 918-510-030(3) does not prohibit the attachment of awnings or <br />carports to manufactured dwellings, but establishes conditions by which it can be done. The intent of this <br />rule, though not very clear, is to allow the attachment of awnings and carports to the sidewalls of <br />manufactured dwellings. <br /> <br />The proper attachment of an awning or carport should consist of the following: The awning or carport <br />rail should be attached with lag screws directly to each sidewall smd (studs are usually at 16" on center). <br />Attachment to the siding only is not acceptable and we do not recommend attaching rails to sidewall top <br />plates. The single 1" top plates will easily split out from the lag screws and neither 1" or 2" manufactured <br />dwelling top plates are designed to transfer the roof live loads of the manufactured dwelling or the <br />awning/carport to the studs. To transfer the loads from the sidewall studs to the ground, the current rules <br />suggest perimeter pier blocking at 8' ou center. However, :with tho increased weight of the newer <br />manufactured dwellings and the addit[0nal roof 10ad from the awning/carport, 4' on center would be more <br />appropriate. All other attachments should be made according to the awrdng/carport manufacturer's <br />engineered plans with special attention paid to the top and bottom post connections and ground anchors. <br /> <br />Regarding your question of which takes precedence for the attachment of accessory structures to <br />manufactured dwellings (manufactured dwelling manufacturer's installation instructions vs. Oregon <br />Specialty Codes), the Oregon Specialty Codes take precedence. <br /> <br />Thank you for bringing this issue to my attention. We are currently in the process of re-writing the <br />manufactured dwelling rules and will attempt to make this section more clear mad more "user friendly." <br /> <br />PATRICK D. LEWIS, Code Specialist <br />Code Development and Compliance <br /> <br />PDL:mgi <br /> <br />cc: Don Dickey, Alumax <br /> <br /> <br />