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RE: Plywood diaphragms

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Section 505.2

	-----Original Message-----
	From:	Michael Bryson [SMTP:michael.bryson(--nospam--at)]
	Sent:	Friday, February 23, 2001 3:01 PM
	To:	seaint(--nospam--at)
	Subject:	Re: Plywood diaphragms

	Where in the code are you allowed unlimited area for Type V?

	----- Original Message -----
	From: "Yousefi, Ben" <Ben.Yousefi(--nospam--at)>
	To: <seaint(--nospam--at)>
	Sent: Friday, February 23, 2001 1:56 PM
	Subject: RE: Plywood diaphragms

	> The only limitation on this type of construction is fire resistive
	> provisions of the code, not structural. UBC allows Type-V
	> construction) buildings for certain types of occupancies, up to
	> to be of unlimited area. Often the owners chose to use metal deck
	> concrete on the second floor and plywood on the roof.
	> Ben Yousefi, SE
	> San Jose, CA
	> -----Original Message-----
	> From: CDaniels [SMTP:ced(--nospam--at)]
	> Sent: Friday, February 23, 2001 1:36 PM
	> To: 'seaint(--nospam--at)'
	> Subject: Plywood diaphragms
	> Does anyone out there know if there is any code limitations to
	> a
	> plywood roof diaphragm with wood or light gauge metal trusses and
	> structural steel frame?  I've never seen this done before or at
	> least on a
	> building this size.  I have a two story 110' by 120' steel frame
	> building
	> with a concrete slab on the second floor and light gauge metal or
	> wood
	> trusses sheathed with plywood at the roof.  The roof is a 3:12
	> Any information would be appreciated.
	> Christopher E. Daniels
	> Larson Design Group
	> ced(--nospam--at) <mailto:ced(--nospam--at)>