Colorado Operating Engineers License
Colorado Dept of Labor & Employment
Division of Oil & Public Safety, Pressure Vessel Section
2890 Kiowa Court
Grand Junction, CO 81506
No State Jurisdictional Boiler & Refrigeration Operator's License Law at this time.
Denver
Denver Community Planning and Development Services
Building Inspections Division
201 W. Colfax Ave, Dept. 205
Denver, CO 80202
Contractor Licensing 720-865-2770
The City of Denver has taken the operating engineers and made the licensing of empolyed operator to be treated as contractors for licensing. It is a bit strange and a few other Cities does this on the USA. What is even strangers is all Exams are Open Book!
Local residency is not required to apply for a contractor license. Also, licenses from other jurisdictions recognized.
The City of Denver has the following contractor licenses:
- Stationary Engineer
- Boiler Operator - Class A
- Boiler Operator - Class B
- Refrigeration Operator
Here is a breakdown of these contractor operator licenses:
Stationary Engineer
A stationary engineer can take charge of and operate all steam boilers and appurtenances hereto, steam pumps, steam turbines, steam engines and mechanical refrigeration systems.
To be a stationary engineer in the City of Denver you must have four-years in stationary engineering work consisting of a minimum of three-years operating high-pressure steam boilers producing over 10 hp and steam pressure over 15 p.s.i. or water heating boilers when the water temperature exceeds 250 degrees F in the system, and minimum of one-year operating refrigeration Equipment requiring an operator per Chapter 1, Denver Building Code.
Boiler Operator -Class A
A Boiler Operator -Class A can take charge of and operate all steam boilers and appurtenances, steam pumps, steam turbines and steam engines.
To be a Boiler Operator -Class A in the City of Denver you must have three-years in boiler operating work as a trainee or apprentice on equipment producing over 100 hp and steam pressure over 100 p.s.i. and water heating systems when the water temperature exceeds 250 degrees F in the system.
Boiler Operator Class B
A Boiler Operator -Class B can take charge of and operate all steam boilers and appurtenances, steam umps, steam turbines and steam engines containing a steam pressure between 15 and 100 p.s.i. and where the equipment produces a total of between 10 and 100 horsepower at Denver altitude.
To be a Boiler Operator -Class B in the City of Denver you must have three-years in boiler operating work as a trainee or apprentice on equipment producing a total of between 10 and 100 hp and steam pressure between 15 and 100 p.s.i. and water heating systems when the water temperature exceeds 250 degrees F in the system.
Refrigeration Operator
A Refrigeration Operator can take charge of and operate mechanical refrigeration systems
To be a Refrigeration Operator in the City of Denver you must have three-years in refrigeration operation work as a trainee or apprentice on refrigeration systems of all types.
Pueblo
Pueblo Regional Building Department
316 West 15th Street
Pueblo, CO 81003
Local residency is not required to apply for a license.
Licenses from other jurisdictions not recognized must take exam.
The City of Pueblo has 3 licensing levels:
- Pueblo Boiler Operator Class C
- Pueblo Operating Engineer Class B
- Pueblo Chief Engineer Class A
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