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RE: Concrete Fire protection

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Paul:

 

This link should help:

 

http://www.crsi.org/PDF/edr_52.pdf

 

It’s a post 9/11 version of the old CRSI “Fire ratings in concrete construction” paper.

 

 

 

David L. Fisher SE PE

Senior Principal

Fisher+Partners

 

372 West Ontario

Chicago 60610

 

312.573.1701

312.573.1726 fax

 

312.622.0409 mobile

 

www.fpse.com

 


From: Paul Feather [mailto:pfeather(--nospam--at)SE-Solutions.net]
Sent: Wednesday, January 11, 2006 7:05 PM
To: SEAOC List
Subject: Concrete Fire protection

 

Hello all,

 

Please assist me with my interpretation of fire rating requirements.  For a concrete slab to provide a four hour separation between a garage and the occupied spaces above, is the minimum coverage requirement for the bottom of the slab, or both top and bottom?

 

My interpretation was that since the separation is required for vehicle fire upward, the top reinforcement cover would be unaffected.

 

Does anyone have a good reference for this topic?