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NFPA 86 Exlosion Relief Requirement Exceptions

Question asked by on Jun 16, 2020
Latest reply on Jun 29, 2020 by milt.werner

Hello,  I am looking for information on how, or if iti  possible to take exception to NFPA 86 explosion relief requirements for Class A & B Natural Gas fired Ovens. My situation: I have an oven design that cannot physically meet the 15 to 1 relief area ratio requirement because of external structure and internal components? Is there a form or process to use to take exception to the requirement?