Top Arguments for Immediately Deleting Exception 4 from R501.3

Originally published by: SBCAJanuary 27, 2016

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Recent ASTM E119 testing (using 100% design load conditions as required by that standard), conducted independently by Underwriters Laboratory (UL) and NGC Testing Services (NGC), provide compelling evidence that Exception 4 in the IRC-12 R501.3 and IRC-15 R302.13 should be amended out of the code for any jurisdiction that has already adopted it, or is considering doing so.

SBCA has compiled and summarized this evidence in the article, 7 Reasons to Immediately Delete Exception 4 from R501.3which it is now sharing with decision makers and risk managers interested in this topic.  The life safety risk aspects of this issue have generated a lot of interest.