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Licensing Requirements

Each employee who works for a licensed Boiler Business, and who is engaged in working on a boiler, pressure vessel, or regulated piping system, must have an individual license or certification for the type of work being performed. There are 8 types or classes of licenses issued to individuals working for a licensed Boiler Business:

    Class 1
    This is an apprentice or trainee license. A person holding this license may install, alter or repair boilers, pressure vessels and pressure piping providing the work is of a mechanical nature only. Work performed shall be under the direct supervision of a qualified licensed person. No ASME code welding is permitted. There are no minimum qualifications required for applicants to obtain this license.

    Class 2

    This is a Pressure Vessel installers license. A person holding this license may install or repair unfired pressure vessels by any non-welded method of attachment. There are no minimum qualifications required for applicants to obtain this license. Examination required.

    Class 3

    This is a Building Service Mechanic license. A person holding this license may may install or repair boilers (including boiler and non-boiler external piping) and unfired pressure vessels by a-welded method of attachment. Minimum qualifications and examination required.

    Class 4

    This is a Boilermakers license. A person holding this license may install, alter or repair boilers and pressure vessels (excluding non-boiler external piping) by welding or other methods of attachment. Minimum qualifications and examination required.

    Class 5

    This is a Pressure Piping Mechanic license. A person holding this license may fabricate, install, alter and repair pressure piping; install boilers and pressure vessels by attachment pf piping connections; and install, assemble and repair cast iron sectional boilers.

    Class 5-A
    This is a Pressure Piping Mechanic license. A person holding this license may fabricate, install, alter, or repair B31.3 process piping. Minumum qualifications and examination required.

    Class 5-B
    This is a Refrigeration Piping Mechanic license. A person holding this license may fabricate, install, alter or repair B31.5 refrigeration piping. Minimum qualifications and examination required.

    Class 6
    This is the Welder license. A person holding this license may weld on boilers, pressure vessels or pressure piping while employed by an approved welding employer. Work may only be performed under the supervision of a person holding a Class 4, 5, 5-A, or 5-B depending on the work being performed.

All requirements and qualifications for the various license types can be found in the Oregon Boiler and Pressure Vessel Law, ORS 480.630 and OAR 918-225-0690.

 

How to Obtain a Boiler Certification

1. Secure an application for Class 1 through 6 Boiler License Examination.

2. Complete the application, indicating any required experience.
Make sure to sign the application.
Indicate on the application the location you wish to take the test from the list of authorized testing locations.

3. Complete the Experience Verification form (if required).

4. Submit the application with the appropriate fee to:

DCBS Fiscal Services
PO Box 14610
Salem, OR 97309-0445

 

5. Once the application is received and approved, a letter will be sent indicating approval, exam site location, and contact name & phone number to arrange a time to take the test. The applicant will have 60 days from the date of the acceptance letter to schedule and take the test.

 

For more information on technical requirements, contact:

Kevin Perdue
Chief Boiler Inspector
Phone: 503-373-7499
Fax: 503-378-4101
Mark.K.Perdue@oregon.gov

 
For more information on study materials, certification experience, and applications contact:

Marilyn.A.Mohler@oregon.gov
503-378-3980

 
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