Facilities that perform hot work operations conducted on or near a covered process shall issue a hot work permit, and it must be kept on file until hot work operations are completed. Welding, cutting and heating (hot work) [12] (see also § 1917.2, definition of hazardous cargo, materials, substance, or atmosphere).
Hot work is frequently a part of contractual work The use of cnc machines provide a comparable level of risk to hot work, especially if they operate daily However, some industries may require hot work as a routine activity
