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Re: Factory Mutual Span

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A FM building I was involved with in Indiana recently had a requirement of
5'-0 maximum spacing for 1-1/2" 22 ga B deck.  I was told this was a FM
requirement, but don't know for sure if it might have just been a local office


Richard Lewis wrote:

> I am looking for information on the maximum Factory Mutual span for 22 ga.
> 1-1/2" wide rib roof deck.  My United Steel Deck catalog gives a 6'-0" max
> span for the FMS span.  The footnote tells me this is for  class 1
> construction.  It refers to FMRC Approval Guide.
> Can anybody elaborate of what this means?
> __________________________________________________
> Richard Lewis, P.E.
> Missionary TECH Team
> rlewis(--nospam--at)