Regulations Made Under Part II of the Canada Labour Code Respecting Occupational Safety and Health of Employees Employed on or in Connection with Exploration or Drilling for, or the Production, Conservation, Processing or Transportation of, Oil or Gas in Canada Lands, as Defined in the Canada Oil and Gas Act

12.5 (1) Hot work shall not be performed in a confined space where an explosive or flammable hazardous substance may be present unless a qualified person has determined that the work can be safely performed therein.

(2) Where hot work is to be performed in a confined space,

• (a) a qualified person shall patrol the area surrounding the confined space and maintain therein a fire protection watch until all hazard of fire is passed; and

• (b) fire extinguishers shall be provided in the area referred to in paragraph (a).