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What is Hot Work?

Hot work covers any equipment or processes that can create a source of ignition such as intense heat, sparks, or open flames and presents a risk of starting a fire. Some common sources of ignition are welding torches or leads, open flames, electrical equipment, sparks, and hot materials or surfaces.

A hot work permit must be issued before any hot work can commence. The hot work permit is the employer or operator's written authorization to perform work capable of producing a source of ignition.

The hot work permit must specify the types of hot work permitted and define the time for which the permit is valid. It must also be signed and authorized by appropriate personnel, and must be posted in the hot work area.


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