OHS Code

Published Date: July 01, 2009
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Part 10 Fire and Explosion Hazards

Section 162.1 Classifcation of worksites

(1) If the hazard assessment required by Part 2 determines that a work area is a hazardous location, an employer must ensure that

(a) a professional engineer, or a competent person authorized by a professional engineer, divides and classifies the work area in accordance with section 18 of the Canadian Electrical Code,

(b) for any work area falling under the Code for Electrical Installations at Oil and Gas Facilities, the area is divided and classified in accordance with rules 19-102 to 19-108 of that Code,

(c) for any work area consisting of facilities described in section 20 of the Canadian Electrical Code, the area is divided and classified in accordance with section 20 of the Canadian Electrical Code, and

(d) adequate documentation is prepared and maintained by a competent person, outlining the boundaries of the classified area and any specific measures to be taken to prevent the unintentional ignition of an explosive atmosphere.

(2) If the hazard assessment required by Part 2 indicates that the basis of an area classification under subsection (1) has changed, an employer must review and update that classification.