NFPA 13 (2002) section 3.3.14 describes "Limited Combustible Material". Do the stacks and piping insulation meet that definition? I'm also assuming there is no access to the space that would allow for occupancy or storage..

At 04:47 PM 8/20/2010, you wrote:
I have a single story residential-style structure used for housing semi-dependent residents for the State Department of Mental Health. The unit is an Intermediate Care Facility for the Mentally Retarded, but is viewed as a nursing home by the state agencies.

The building is non-combustible construction; CMU bearing walls with light gauge metal trusses and standing seam metal roof. The single floor is fully sprinklered & that is where my problem begins. My boss had me direct the Consultants to eliminate the sprinkler in the attic, to save money, as the building was of non-combustible construction. Now the Fire Marshal & reviewer for the State Health Department are telling me that all the PVC vent stacks and piping insulation is non-compliant.

My Consultant is telling me that, as these are concealed spaces, the IBC allows non-combustible & limited combustible materials to be present without sprinklers.

Any thoughts?

Thanks,

Dennis M. Schwarzauer

Eley Guild Hardy Architects PA
418 East Capitol Street
Jackson, Mississippi  39201
T 601.354.2572
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www.eleyguildhardy.com
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