Commercial Mechanical Code Guides

Find all commercial mechanical code guides administered by Development Services. Code guides provide answers about the application of specific codes and outline optional alternates. Get code guides that explain how codes and rules are applied.

The question or alternate described in each code guide is listed below the code guide link.

  •  Does the City of Portland require a Type II hood over counter top type dishwashing machines in commercial installations?
  •  The Oregon Mechanical Specialty Code (OMSC) Section 504 states that screens shall not be allowed at the duct termination of clothes dryer exhaust vents. Is there an alternative to a fully clear opening at the duct termination?

More Code Guides 

You can also read more about these codes, rules and guides: state building codes and related administrative rules and interpretations, City codes, City administrative rules, Business Practice Policies, program guides, Building Official's determinations, PBOT Codes and Guides, MOUs/IGAs and request a change to City codes or recommend a regulatory improvement change.


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