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NFPA 51B-2019

NFPA 51B Standard for Fire Prevention During Welding, Cutting, and Other Hot Work, 2019 edition

This standard shall cover provisions to prevent injury, loss of life, and loss of property from fire or explosion as a result of hot work. Installation and operation of arc cutting and welding equipment and operation of gas cutting and welding equipment shall be in accordance with ANSI Z49.1, Safety in Welding, Cutting, and Allied Processes. This standard shall provide minimum requirements for all persons who manage, request, authorize, perform, or supervise hot work.

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National Fire Protection Association [NFPA]


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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