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The CSA Standard Z1010-2018 Management of work in extreme conditions defines extreme condition as "existing in a very high degree; exceeding the ordinary, usual, acclimatized to, or expected condition".
Extreme conditions include work both indoors and outdoors that involves conditions such as:
This document covers general situations when working in extreme conditions. Some conditions are not specifically addressed here, such as high altitude, atmospheric pressure, or forest fire fighting.
When assessing hazards associated with extreme conditions, always consider both the reasonable and potential harm that may occur. There may be changes to how the equipment, tools, machines, or products operate when used in an extreme environment. Also include any psychological or cognitive demands that may affect the worker, or may contribute to the severity of situations.
Planning for extreme conditions will include:
A management program will help to manage and control the hazards and risks. This progarm is ideally part of the organization's overall occupational health and safety management system, if one exits. Elements of a program for extreme conditions include:
Determine what external groups may be available to help or if outside help depends on the situation(e.g., an extreme storm may mean that other services such as ambulance and police are not available).
Review programs, and conduct practice drills. Evaluate your program and the results of the drills. Elements of incident investigation may be helpful to structure this review.
This document covers planning for work in extreme conditions. Further information is available in OSH Answers, including: