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RE: fire protection of steel beams

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It requires individual protection per UBC 704.2.6 if it supports loads from a floor and roof or more than one floor.  If it supports one floor it can be inside a rated floor-ceiling assembly [with the same rating] without individual protection.
 

Scott M Haan P.E.
Plan Review Engineer
Building Safety Division
Development Services Department
Municipality of Anchorage
http://www.muni.org/building
phone:907-343-8183 
fax:907-249-7399
mailto:haansm(--nospam--at)ci.anchorage.ak.us

-----Original Message-----
From: Pat Clark [mailto:bcinc(--nospam--at)nanosecond.com]
Sent: Wednesday, September 26, 2001 8:13 AM
To: seaint(--nospam--at)seaint.org
Subject: fire protection of steel beams

I am looking for a specification for the 1-hr fire protection of steel beams with a spray-on application.
 
Also, does anyone know if a steel beam completely concealed in a 1-hr floor/ceiling assembly of wood joists, rated drywall, and concrete flooring over p.w., require additional fire protection, or is it okay as it is completely covered by the other assembly?
 
Pat Clark, P.E.