"A. Bulkheads constructed of approved non-combustible materials that can withstand the standard fire test for 30 minutes." "B. Bulkheads constructed of approved non-combustible materials that can withstand the standard fire test for 45 minutes." "C. Bulkheads constructed of approved non-combustible materials that can withstand the standard fire test for 15 minutes." "D. Bulkheads constructed of approved non-combustible materials but do not meet any of the requirements relative to smoke and flame nor limitations relative to temperature rise." « Previous Next »
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