Scope of Profession - Gasfitter - Class B

In this section,

  • “B gas system” means any kind of residential, commercial or industrial gas system, including any gas appliance that does not exceed a rating of 400 000 BTUs, and the associated piping, fittings, air supply and venting, and includes the following:
    • low and high pressure natural gas supply systems;
    • low and high pressure propane gas supply systems;
    • gas fired appliances and equipment;
    • natural draft ventilation systems;
    • power assisted ventilation systems;
    • propane and natural gas dispensing systems;
    • propane bulk storage systems;
  • “undertakings of the branch of the designated trade” means the fabrication, installation, alteration, adjustment, maintenance, repair and replacement of B gas systems.

Undertakings and Activities

When practicing or otherwise carrying out work in the undertakings of the branch of the designated trade, the following are activities within the gasfitter (class B) branch of the designated trade of gasfitter: 

  • fabricating and installing B gas systems; 
  • altering, adjusting and maintaining B gas systems; 
  • repairing and replacing B gas systems; 
  • determining, from prints and specifications, matters concerning location, size and material required in respect of B gas systems; 
  • coupling material breakdown and takeoff; 
  • identifying and using tools and special equipment that are used to carry out activities in the designated trade; 
  • applying codes to installation and maintenance requirements; 
  • rigging equipment and piping components; 
  • installing and maintaining appliances, controls, equipment, piping and hangers; 
  • examining and testing gas systems.

Restricted Activities

The following activities, when performed within undertakings of the branch of the designated trade and by the specified classes of individuals, are restricted activities within the gasfitter (class B) branch of the designated trade of gasfitter:

  • fabricating and installing B gas systems;
  • altering, adjusting and maintaining B gas systems;
  • repairing and replacing B gas systems;
  • determining, from prints and specifications, matters concerning location, size and material required in respect of B gas systems;
  • coupling material breakdown and takeoff;
  • identifying and using tools and special equipment that are used to carry out restricted activities in the designated trade;
  • applying codes to installation and maintenance requirements;
  • rigging equipment and piping components;
  • installing and maintaining appliances, controls, equipment, piping and hangers;
  • examining and testing gas systems.