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For the type of metalworking process, see Hot working.
Hot work is a process that can be a source of ignition when flammable material is present or can be a fire hazard regardless of the presence of flammable material in the workplace. Common hot work processes involve welding, soldering, cutting, brazing burning and the use of powder-actuated tools or similar fire producing operations outside of designated hot work areas. When flammable materials are not present, industrial processes such as grinding and drilling become cold work processes.[1]
In some countries, such as the UK and Canada,[2] a hot work permit is required for hot work.[1] The purpose of a hot work permit is to effect "the employer's written authorization to perform hot working operations".[3] The UK's Health and Safety Executive suggests that a hot work permit should specify:
what work will be done;
how and when it is to be done;
what safety and health precautions are needed;
who is responsible for checking it is safe for the work to start;
who will check that the work is done safely;
who is responsible for confirming that work is complete and there is no longer a risk from, or to, the people doing the work.[4]
^ abHughes, Phil; Ferrett, Ed (2005), Introduction to health and safety at work: the handbook for the NEBOSH national general certificate (2nd ed.), Butterworth-Heinemann, p. 84, ISBN 978-0-7506-6623-7.
^"Welding - Hot Work : OSH Answers". 14 February 2022.
^Occupational Safety and Health Administration, 1910.146 - Permit-required confined spaces, accessed 7 December 2019
^Health and Safety Executive, Safety in gas welding, cutting and similar processes, INDG297, published May 2012, accessed 7 December 2019
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