What is the requirement for certifications regarding refrigeration brazing? For example, is a certification from ORACCA accepted?
Under the Oregon Mechanical Specialty Code (OAR 918-440-0015), all persons engaged in brazing or welding related to the installation, alteration, or repair of refrigeration piping systems must have a current valid certification issued upon completion of a class given by a division-approved organization. (There are five such organizations: Oregon Air-Conditioning Contractors Association (ORACCA), Linn Benton Community College, Local 16- Sheet-Metal Training Center, JC and Associates and Local 701- International Union of Operating Engineers.) Refrigeration systems installed in dwelling units regulated under the Oregon Residential Specialty Code are exempt from this requirement. Under the Oregon Boiler and Pressure Vessel Program, the requirements of OAR 918-225-0430(5) shall be enforced for all welded, brazed, or mechanically assembled refrigerant piping exceeding two inches NPS containing any refrigerant chemical other than A-1 or B-1 refrigerants, as listed in ASHRAE 34. Persons perfor
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