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Building Codes Division <br /> <br />O on <br /> <br />1535' Edgew~ter NW <br />S~lem, OR 97310 <br />Telephone (503) 378-4133 <br />Fax (503) 375-2322 <br />TDO (503) 378-1358 <br /> <br />FEBRUARY 3, 1995 <br /> <br />SANDRA FREILINGER PLANS EXAI~IINER'" <br />MARION COUNTY BUILDING DEPARTMENT <br />285 CHURCH STREET NE ROOM 132 <br />SALEM OR 97301-3670 <br /> <br />DEPARTMENT OF <br /> <br />CONSUMER AND <br /> <br />BUSINESS SERVICES <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 />role, though not very clear, is to altow the attachment of awnings and carports m the sidewalls of <br />manufactured dwellings. <br /> <br />The proper attachment of an awning or carport should consist of the following. Th~?a~nmg or carport <br />rail should be attachecl:~tith.,lag screw$:directlv.,~ 'are usuali~,'7~ l'6'!"on e~t~r) <br />.Attachment to the s~dlng only is not aeeeptable..~d~:we-do not recommend"att~¢htng r~ds-to s~dewall top <br />plates. The single 1" top plates will easily split out from the lag screws and neither 1" or 2" manufactured <br />dweliing 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 m the ground, the current rules <br />suggest perimeter pier blocking at g' on center. However, with the increased weight of the newer <br />manufactured dwellings and the additional roof load from the awnlng/carp'.~,-'.4?~/~cen~t::W0~id b~:more <br />appropriate. All other attachments should be made according to the d~ih~?~;~tmanUfactUier'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 Oregou 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 and more "user friendly." <br /> <br />PATRICK D. LEWIS, Code Specialist <br />Code Development and Compliance <br /> <br />PDL:mgi <br /> <br />CC; <br /> <br />Don Dickey, Alumax <br /> <br /> <br />