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What is the purpose of NFPA 50 section 2.2.9?

Question asked by smonez on Nov 8, 2016

What is the intent and purpose of NFPA 50 section 2.2.9:


The minimum distance from any bulk oxygen system to confining walls [not including protective structures having a minimum fire resistance rating of 2 hours less than 12 ft high] shall be 75 ft in one direction and 35 ft in approximately 90 degrees direction where the container is enclosed on three sides or fewer to provide adequate ventilation in courtyards and similar confining areas.