Pressure equipment licences
You must have a high risk work licence with the relevant class or classes to operate certain types of reciprocating steam engines, turbines and boilers in NSW.
There are 4 classes of work involving pressure equipment:
Reciprocating steam engine (ES)
This licence class allows you to operate and use a reciprocating steam engine containing a piston of 250 mm or more in diameter, including expanding (steam) reciprocating engines.
Turbine operation (TO)
This licence class allows you to operate and use a steam turbine that has an output of 500 kW or more, and:
- is multi-wheeled, or
- is capable of a speed greater than 3600 rpm, or
- has attached condensers, or
- has a multi-stage heat extraction process.
Standard boiler (BS)
This licence class allows you to operate a standard boiler with a single fuel source that does not have a pre-heater, superheater or economiser attached.
Advanced boiler (BA)
This licence class allows you to operate a boiler, including a standard boiler, which may have one or more of the following:
- multiple fuel sources
- pre-heater
- superheater
- economiser.