Scope of Profession - Sheet Metal Worker

In this section,

• “heating system” means a system for heating and circulating air inside a building using a gas fired appliance;
• “sheet metal items” means the following:
  • square or round duct lines and fittings;
  • sheet metal containers;
  • sheet metal roofs, roof flashings and accessories;
  • sheet metal lagging;
  • all other custom fabricated objects constructed from sheet metal;
• “undertakings of the designated trade” means the following:
  • the lay out, preparation, fabrication, assembly and installation of sheet metal items;
  • the fabrication, installation, service, maintenance and upgrade of
    • fume and dust exhaust systems for residential, commercial and industrial sites,
    • heating systems, ventilation systems and venting systems for residential, commercial and industrial sites,
    • air conditioning systems of up to 5 tons total capacity per system for residential sites, and
    • equipment associated with the undertakings referred to in paragraphs (A) to (C);
• “ventilation system” means a system for exchanging air inside a building with fresh outside air and circulating air within a building;
• “venting system” means a system for exhausting combustion gases to the outside of a building and supplying air for combustion by heating systems.

Undertakings and Activities

When practicing or otherwise carrying out work in the undertakings of the designated trade, the following are activities within the designated trade of sheet metal worker: 

• laying out, preparing, fabricating, assembling and installing sheet metal items; 
• fabricating, installing, servicing, maintaining and upgrading the following: 
  • fume and dust exhaust systems for residential, commercial and industrial sites; 
  • heating systems, ventilation systems and venting systems for residential, commercial and industrial sites; 
  • air conditioning systems of up to 5 tons total capacity per system for residential sites; 
  • equipment associated with fabricating, installing, servicing, maintaining and upgrading any of the systems listed in subclauses (i) to (iii); 
• using sheet metal pattern development methods and standards; 
• using various types of sheet metal materials; 
• assembling and installing equipment, materials and system components on the job site; 
• laying out, preparing, assembling and installing venting systems and pre-fabricated components of venting systems; 
• installing, maintaining and repairing the following: 
  • furnaces; 
  • heat pumps; 
  • unit heaters;
  • combination rooftop units; 
  • make-up air units; 
  • heat recovery and indoor air quality systems; 
  • heating systems; 
  • ventilation systems; 
  • air conditioning systems of up to 5 tons total capacity per system; 
  • appliances; 
  • accessories to any item listed in subclauses (i) to (x) and equipment similar to any item listed in subclauses (i) to (x) or used for sheet metal work; 
• carrying out the following servicing on electrical components of heating systems, ventilation systems and air conditioning systems, along with the associated connection and disconnection of de-energized electrical supply circuits of the systems: 
  • servicing or changing controls, contactors and motors; 
  • repairing burnt or broken wires; 
  • making minor upgrades of controls to existing heating systems, ventilation systems and air conditioning systems; 
• using sheet metal welding equipment in heat straightening, cutting and joining metals; 
• using sheet metal shop equipment, including rotary, bench and floor machines; 
• assembling, erecting, installing and removing material and personnel handling devices, scaffolds, ropes and slings; 
• using hand tools, power tools, transits, levels and explosive actuated tools; 
• using detailed drawings, blueprints and other specifications; 
• estimating, job planning, preparing and scheduling; 
• applying new innovative technological changes in the designated trade, including materials and methods of construction.

Restricted Activities

The following activities, when performed within undertakings of the designated trade and by the specified classes of individuals, are restricted activities within the designated trade of sheet metal worker:

• laying out, preparing, fabricating, assembling and installing sheet metal items;
• fabricating, installing, servicing, maintaining and upgrading the following:
  • fume and dust exhaust systems for residential, commercial and industrial sites;
  • heating systems, ventilation systems and venting systems for residential, commercial and industrial sites;
  • air conditioning systems of up to 5 tons total capacity per system for residential sites;
  • equipment associated with fabricating, installing, servicing, maintaining and upgrading any of the systems listed in subclauses (i) to (iii);
    • using sheet metal pattern development methods and standards;
    • using various types of sheet metal materials;
    • assembling and installing equipment, materials and system components on the job site;
• laying out, preparing, assembling and installing venting systems and pre‑fabricated components of venting systems;
• installing, maintaining and repairing the following:
  • furnaces;
  • heat pumps;
  • unit heaters;
  • combination rooftop units;
  • make‑up air units;
  • heat recovery and indoor air quality systems;
  • heating systems;
  • ventilation systems;
  • air conditioning systems of up to 5 tons total capacity per system;
  • appliances;
  • accessories to any item listed in subclauses (i) to (x) and equipment similar to any item listed in subclauses (i) to (x) or used for sheet metal work;
• carrying out the following servicing on electrical components of heating systems, ventilation systems and air conditioning systems, along with the associated connection and disconnection of de‑energized electrical supply circuits of the systems:
  • servicing or changing controls, contactors and motors;
  • repairing burnt or broken wires;
  • making minor upgrades of controls to existing heating systems, ventilation systems and air conditioning systems;
• using sheet metal welding equipment in heat straightening, cutting and joining metals;
• using sheet metal shop equipment, including rotary, bench and floor machines;
• assembling, erecting, installing and removing material and personnel handling devices, scaffolds, ropes and slings;
• using hand tools, power tools, transits, levels and explosive actuated tools;
• using detailed drawings, blueprints and other specifications;
• estimating, job planning, preparing and scheduling;
• applying new innovative technological changes in the designated trade, including materials and methods of construction.