توضیحات :
NFPA 51B – Standard for Fire Prevention During Welding, Cutting, and Other Hot Work
۲۰۱۹ Edition
Chapter 1 Administration
۱-۱ Scope.
۱-۱-۱* 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.
۱-۱-۲ 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.
۱.۲* Purpose. This standard shall provide minimum requirements for all persons who manage, request, authorize, perform, or supervise hot work.
۱-۳ Application.
Δ ۱-۳-۱ This standard shall apply to the following hot work processes:
(۱) Welding and allied processes
(۲) Heat treating
(۳) Grinding
(۴) Thawing pipe
(۵) Powder-driven fasteners
(۶) Hot riveting
(۷)* Torch-applied roofing in conjunction with the requirements of NFPA 241
(۸) Similar applications producing or using a spark, flame, or heat
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