Classification: Compulsory

A Refrigeration and Air Conditioning Systems Mechanic works on refrigeration, cooling and combined heating cooling combination systems including geo-exchange systems in residential, industrial, commercial, and institutional settings. Specifically, a Refrigeration and Air Conditioning Systems Mechanic:

• plans, lays out, installs, starts-up, connects, maintains, services, repairs, tests, verifies, commissions and decommissions refrigeration and air conditioning systems, electronic components and their accessories
• installs and connects piping for the purpose of conveying all types of refrigerants used for both primary and secondary heating and cooling
• checks efficiency outputs and parameters; inspects and checks operation and integrity of components; determines set points; replaces defective, leaking, discolored and worn components; performs shut-downs and lock outs; makes adjustments to pressures and controls; cleans and lubricates components; checks calibrations; reassembles and repairs components and systems; starts-up, tests and charges the systems
• measures, cuts, bends, threads and connects pipe to functional components and utilities and services, tests, adjusts, commissions and decommissions the system

 Red Seal trade

A Residential (Low Rise) Sheet Metal Installer installs residential air-handling and ventilation systems in low-rise (four storeys or fewer) residential buildings that do not have common conditioned areas. The work is done in self/contained, singlefamily dwellings such as detached, semi-detached and town and linked homes that have a wood frame construction. Specifically, a Residential (Low Rise) Sheet Metal Installer:

• follows safe working practices and procedures and environmental protection practices
• organizes work for residential (low rise) sheet metal installations
• prepares the worksite
• installs ventilation and main ducts

A Residential Air Conditioning Systems Mechanic works on residential air conditioning systems including geo-exchange systems. Specifically, a Residential Air Conditioning Systems Mechanic:

• plans, lays out, installs, starts-up, connects, maintains, services, repairs, tests, verifies, commissions, and decommissions residential air conditioning systems, components and their accessories
• installs and connects piping for the purpose of conveying all types of refrigerants used for both primary and secondary heating and cooling
• maintains, services, repairs and replaces system components and accessories, including electrical and electronic components
• checks efficiency outputs and parameters; inspects and checks operation and integrity of components; determines set points; replaces defective, leaking, discoloured and worn components; performs shut-downs and lock outs; makes adjustments to pressures and controls; cleans and lubricates components; checks calibrations; reassembles and repair components and systems; starts-up, tests and charges the systems
• measures, cuts, bends, threads and connects pipe to functional components and utilities
• services, tests, adjusts, commissions and decommissions the system

A Sheet Metal Worker designs, creates, assembles installs, and repairs sheet metal products. Specifically, a Sheet Metal Worker:

• manufactures, creates, assembles, handles, erects, installs, dismantles, reconditions, adjusts, alters, repairs and/or services all ferrous and nonferrous sheet metal work of No. 10 U.S. Gauge or of any equivalent or lighter gauge and all other materials used in lieu thereof
• reads and understands shop and field sketches used in fabrication and erection, including those taken from original architectural and engineering drawings or sketches
• fabricates or installs metal cladding over insulation

 Red Seal trade

A Sprinkler and Fire Protection Installer lays out, installs, maintains, modifies, inspects and tests fire protection systems, including water-based and speciality fire suppression systems in a variety of environments. Specifically, a Sprinkler and Fire Protection Installer:

• installs water supplies above and below grade for fire protection systems
• installs fire pumps, drivers and controllers, commissions, detection, protection and control systems
•  installs, maintains, and tests water-based fire protection systems

 Red Seal trade

A Steamfitter lays out, assembles, maintains and repairs piping to carry water, steam, fluids, gases, chemicals and fuel for heating, cooling, lubricating and process piping systems. Specifically, a Steamfitter:

• reads and understands design drawings, manufacturers literature and installation diagrams
• lays out, assembles, installs, maintains, and repairs heating, cooling, process or industrial systems
• installs piping for any process, including a process that conveys gas or pneumatic or air-handling system
• installs high-pressure piping for any process
• installs and maintains instrumentation control systems

 Red Seal trade