Q: How thick does the partition wall have to been between cylinders?
A: 1910.253(b)(4) states that oxygen cylinders in storage shall be separated from fuel-gas cylinders or combustible materials by at least 20 feet or by a barrier that is at least 5 feet high that has a fire-resistance rating of at least on half hour. OSHA doesn’t reference the thickness of the barrier. Only that it has to have a ½ hour fire-resistance rating.
