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NEWS AND UPDATES
OMSC adoption process
July 1 | The code adoption process for the next edition of the OMSC has started.Follow the code adoption process
OMSC - Refrigerant Standards Statewide Alternate Method 21-01
A new statewide alternate method to the Oregon Mechanical Specialty Code has been issued for the use of new and low global-warming-potential refrigerants.
The Oregon Mechanical Building Code (OMSC) establishes the minimum requirements for the design, installation, alteration, and inspection of mechanical systems that are permanently installed and utilized to provide control of environmental conditions and related processes within buildings.
2019 Oregon Mechanical Specialty Code (OMSC)Effective Oct. 1, 2019
The 2019 OMSC is based on the 2018 International Mechanical Code (IMC). The fuel gas provisions of Appendix C are based on the 2018 International Fuel Gas Code (IFGC).
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