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RE: l/600 or l/720 brick veneer light gage back-up

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BIA is the Brick Industry Association (www.bia.org).  FWIW, they have a
lot of good TEK notes on brick construction.

Regards,

Scott
Adrian, MI


On Tue, 7 Dec 2004, Haan, Scott M. wrote:

>
> Is the BIA, the bureau of indian affairs?
>
> Respectfully,
> Scott Haan
>
>
> -----Original Message-----
> From: Ken Peoples [mailto:kspeoples(--nospam--at)lvta.net]
> Sent: Tuesday, December 07, 2004 4:26 AM
> To: Seaint
> Subject: l/600 or l/720 brick veneer light gage back-up
>
>
>
> 	I know that BIA recommends l/600 to l/720 for a brick veneer
> back-up deflection limitation.  They say "for service loads".  What I am
> not sure about is what the design wind pressure for this condition
> should be.  Should this just be based on the same component and cladding
> design load used for the strength design of the studs or can it be a
> reduced wind load.  Table 1604.3 of IBC 2003 indicates that the
> deflection limit for exterior walls with brittle finishes should be
> l/240 and footnote f indicates that the load may be 0.7 times the design
> component and cladding loads.  This seems to be quite different form
> BIA's recommendation of l/600.  Perhaps a brick veneer is not considered
> a brittle finish?
>
> 	Is the l/600 or l/720 specifically required somewhere else in
> the IBC?
>
> 	Thanks for your help.
>
> 	Best regards,
>
>
> 	Ken
>
> 	Kenneth S. Peoples, P. E.
> 	LVTA
> 	Lehigh Valley Technical Associates, Inc.
> 	1584 Weaversville Road
> 	Northampton, PA 18067
>
> 	Phone: 610-262-6345
> 	Fax:610-262-8188
> 	Email: kpeoples(--nospam--at)lvta.net
>
>
>

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