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The Fire & Life-Safety Group

When Hot Work Is Prohibited

Hot work on campus is to be prohibited in areas where it cannot be conducted safely under any conditions or where extensive preparation      and planning are required to make the area/equipment fire-safe.

    Examples:

    Hot work is not to be conducted in the following areas:

       •  Areas that contain flammable liquids, flammable gases,                              combustible dusts, or combustible metals.

       •  Areas with an oxygen-enriched atmosphere.

       •  Areas used for the storage and handling of oxidizer materials.

       •  Areas used for the storage and handling of explosives.

       •  On partitions, walls, ceilings, or roofs with combustible plastic                    coverings or cores (e.g., expanded plastic insulation).

    Hot work is not to be conducted with the following equipment:

       •  Equipment that contains flammable liquids or flammable gases.

When hot work must be done in hazardous areas or with hazardous equipment as described above, the precautions below should be followed.

    When possible, relocate hot work to a suitably arranged and                     isolated fixed hot work station

       • Locate fixed hot work in noncombustible buildings or combustible               building areas with secured and sealed one-hour fire rated                 noncombustible floors, walls, and ceilings.

       • Maintain the fixed hot work station free of combustible materials                 and isolate it from surrounding combustible occupancies with                 physical non-combustible enclosures or open space of at least                35 feet.

       • Provide manual fire extinguishers throughout the fixed hot                   work station.

    If the materials or equipment cannot be relocated to a fixed hot               work station, and hot work is unavoidable

       •  Use the least hazardous form of hot work that will get the job                 done (e.g., electric iron or heat gun vs. propane torch) and cover              any area combustibles with hot work blankets and pads.

Under all conditions, a hot work permit or certificate must be obtained before any hot work can be conducted.  For a hot work form please click the link below.

Hotwork Forms

Sources for information listed on this page

"Hot Work Management" Facility Safety Management Aug. 2008: p.28.


     
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