1900 SW 4th Ave, Portland, OR 97201
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Items address frequently asked questions concerning structural design requirements within the jurisdiction of the City of Portland.
The current state building code governing commercial and engineered residential construction is the 2019 Oregon Structural Specialty Code (OSSC), which is based upon the 2018 International Building Code (IBC) as amended by the State of Oregon.
The structural requirements for residential projects may be either prescriptive or engineered. In prescriptive design, the ORSC (Oregon Residential Specialty Code) defines a conservative method of construction to resist vertical and lateral loads.
Transmission and Cell Towers, Signs and Fabric Covered Awnings and Floating Structures
Frequently Asked Questions
State of Oregon—Building Codes Division, Engineering Board (OSBEELS), Structural Engineers Association of Oregon (SEAO) and etc.