(Amended by Ordinances 181437, 191154, and 192002, effective January 10, 2025.)

All mechanical work, including but not limited to heating, air conditioning, ventilating, gas piping and woodstoves, must be designed and installed in accordance with the Oregon Mechanical Specialty Code, any other relevant Specialty Codes, Title 27 and this Chapter. Permits and inspections will be required for all work except as specifically exempted by this Title.

Existing mechanical work that was lawfully in place in Portland on January 1, 2008, or that was constructed or relocated under a valid permit after that date, will be considered an existing nonconforming condition as provided in this Title.