Explosion Venting/Suppression Q&A
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Where does one draw the line in a plant where NFPA 654 begins and ends, and where NFPA 61 also applies?Answered October 6th, 2009 by Expert:NFPA 654 1.4.1 states that 654 does not apply to materials covered under other NFPA documents including NFPA 61. Therefore, in any application in which NFPA 61 applies, its provisions will supersede those in NFPA 654.



