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NFPA 58 overhead clearance requirements

Question asked by nweiss on Apr 20, 2018
Latest reply on Apr 26, 2018 by milt.werner




What is the minimum require vertical distance between the pressure relief valve and a overhead wooden structure (such as a deck) on a 100lbs tank at a single family residence. (Section           Illustration 6.2 shows an 8' high deck from grade but this appears to be for reference only. Can the tanks be placed under a deck that is only 6' or 5' above grade but still maintains a 50% perimeter opening? Thanks in advance for anyone who can help.


Nicholas Weiss

Building Inspector

Ocean Beach, NY