13 requires the stair SHAFT to be noncombustible construction. It's not just a surface material requirement. This has been flagged for discussion at the technical meeting regarding rated construction but no public input was submitted.
Roland Roland Huggins, PE - VP Engineering American Fire Sprinkler Assn. --- Fire Sprinklers Saves Lives Dallas, TX http://www.firesprinkler.org On Aug 2, 2013, at 7:27 AM, Greg McGahan <[email protected]> wrote: > But 13 defines it....hence my confusion _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
