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40.8.1*
In addition to the requirements of NFPA 51B, all hot work activities shall comply with the requirements in 40.8.2 through 40.8.5. [652:8.5]
40.8.2*
The area affected by hot work shall be thoroughly cleaned of combustible dust prior to commencing any hot work. [652:8.5.2]
40.8.3
Equipment that contains combustible dust and is located within the hot work area shall be shut down, shielded, or both. [652:8.5.3]
40.8.4
When the hot work poses an ignition risk to the combustible dust within equipment, the equipment shall be shut down and cleaned prior to commencing such hot work. [652:8.5.4]
40.8.5
Floor and wall openings within the hot work area shall be covered or sealed. [652:8.5.5]
40.8.6
Use of portable electrical equipment that does not comply with the electrical classification of the area where it is to be used shall be authorized and controlled in accordance with the hot work procedure as outlined in Section 40.8. [652:8.5.6]

Related Code Sections

40.8 Dust Explosion and Fire Prevention, Hot Work
In addition to the requirements of NFPA 51B, all hot work activities shall comply with the requirements in 40.8.2 through 40.8.5. [652:8.5 ...