A Reader Questions Brad’s Comment…

I had a reader question one of my postings on this blog, that I thought you might be interested in reading…

Oxygen Cylinder Storage

The reader wanted to know if the yellow fire cabinets could be used to store oxygen cylinders in lieu of storing them in a designated room, when the accumulative quantity per smoke compartment reaches the 300 cubic feet mark. I said no, according to NFPA 99-2012, section 11.3.2.1 requires an enclosed interior space of non-combustible or limited-combustible construction.

The reader said “I contacted my accreditation organization’s standards interpretation group and asked them the question, and they said it was all-right to store the O2 cylinders in the yellow fire cabinets because they meet the definition of 1/2 hour fire rating.”

A check with one of the manufacturers of the yellow fire cabinets says their cabinets are NOT UL rated for 1/2 hour fire rating. They stated there is not any approved test parameters for the cabinet’s fire rating to be verified with the gypsum material installed in the cabinet’s wall cavity.

To be safe, it is best to not use the yellow fire cabinets for storage of O2 cylinders unless you know for sure the cabinet carries a UL (or similar) test laboratory fire rating of at least 1/2 hour.

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