Adopted structural codes and standards
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.
Oregon Mechanical Specialty Code
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).