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

15.52 (1) Subject to subsection (2), no materials handling equipment shall be operated in an area in which it may contact an electrical cable, a pipeline, part of a structure or other hazard known to the employer, unless the operator and signaller, if any, have been

• (a) warned of the presence of the hazard;

• (b) informed of the location of the hazard; and

• (c) informed of the safety clearance that must be maintained with respect to the hazard in order to avoid accidental contact with it.

(2) Where an employer is unable to determine with reasonable certainty the location of the hazard or the safety clearance referred to in subsection (1), every electrical cable shall be de-energized and every pipeline containing a hazardous substance shall be shut down and drained before any operation involving the use of materials handling equipment commences within the area.