198. This Part does not apply in respect of

• (a) a heating boiler that has a wetted heating surface of 3 m² or less;

• (b) a pressure vessel that has a capacity of 40 l or less;

• (c) a pressure vessel that is installed for use at a pressure of one atmosphere of pressure or less;

• (d) a pressure vessel that has an internal diameter of 152 mm or less;

• (e) a pressure vessel that has an internal diameter of 610 mm or less and that is used to store hot water;

• (f) a pressure vessel that has an internal diameter of 610 mm or less connected to a water pumping system and that contains compressed air which serves as a cushion;

• (g) a hydropneumatic tank that has an internal diameter of 610 mm or less; or

• (h) a refrigeration plant that has a capacity of 18 kW or less.

199. An employer must ensure that every boiler, pressure vessel and pressure piping system used in a work place must, to the extent reasonably practicable, meets the requirements set out in the Marine Machinery Regulations.

200. An employer must ensure that a qualified person, charged with the operation of a boiler, is in attendance and readily available at all times while the boiler is in operation.

201. The following definitions apply in this Part.

“explosive-actuated fastening tool”

“explosive-actuated fastening tool” means a tool that, by means of an explosive force, propels or discharges a fastener for the purpose of impinging it on, affixing it to or causing it to penetrate another object or material. (pistolet de scellement à cartouches explosives)

“fire hazard area”

“fire hazard area” means an area that contains or is likely to contain an explosive or flammable concentration of a hazardous substance. (endroit présentant un risque d’incendie)

202. This Part applies to machines, tools and guards.

• 203. (1) The exterior surface of any tool used by an employee in a fire hazard area must be made of non-sparking material.

• (2) All portable electric tools used by employees must meet the CSA Standard CAN/CSA-C22.2 NO. 71.1-M89 (R2004), Portable Electric Tools.

• (3) All portable electric tools used by employees must be grounded except when the tools

  • (a) are powered by a self-contained battery;

  • (b) have a protective system of double insulation; or

  • (c) are used in a location where reliable grounding cannot be obtained if the tools are supplied from a double insulated portable ground fault circuit interrupter of the class A type that meets the standards set out in CSA Standard CAN/CSA-C22.2 NO. 144-M91 (R2006), Ground Fault Circuit Interrupters.

• (4) All portable electric tools used by employees in a fire hazard area must be marked as appropriate for use or designed for use in a fire hazard area.

• (5) If an air hose is connected to a portable air-powered tool used by an employee, a restraining device must be attached

  • (a) to all hose connections; and

  • (b) if an employee may be injured by the tool falling, to the tool.

• (6) All explosive-actuated fastening tools used by employees must meet and be operated in accordance with the standards set out in CSA Standard Z166-1975, Explosive Actuated Fastening Tools.

• (7) An employee must not operate an explosive-actuated fastening tool unless authorized to do so by their employer.

• (8) All chain saws used by employees must meet the standards set out in CSA Standard CAN/CSA-Z62.1-03 (R2008), Chain Saws.