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Re: retail center lateral system (3 sided masonry)

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I would be concerned if you were cantilevering the 300ft dimension instead of the 90 ft.  I wouldn't think cantilevering 90ft with a 300ft depth would be a big deal. Is there going to be an expansion joint?





> ----- Original Message -----
> From: Brian <mailto:bsh117(--nospam--at)
> To: seaint(--nospam--at)
> Sent: Tuesday, May 09, 2006 9:21 AM
> Subject: retail center lateral system (3 sided
> masonry)
> I need some help to settle an office dispute.
> Currently we have a 1-story retail center project
> in
> our office.  The building is rectangular and
> approx
> 300 ft running in the NS direction and 90 ft in
> the EW
> direction.  The entire East face of the building
> is
> storefront glass (300 ft) and wraps about 20 ft on
> the
> North and South faces.  The rest of the building,
> which consists of the entire West face and the
> remaining portions of the North and South face, is
> contructed out of 8" masonry.  The roof is
> constructed
> of joists, joist girders and metal deck and there
> are
> interior steel columns and steel columns at the
> storefront to support.
> Our differences come about for the lateral system
> in
> the long direction of the building.  My co-worker
> would like to design this building without a
> lateral
> frame on the East face and rely entirely on the
> masonry shear wall on the West face.  However, I
> believe that a lateral frame is required because I
> do
> not believe the metal roof deck can transfer the
> entire lateral force in that direction to the West
> face of the building.
> We are mainly dealing with lateral forces due to a
> basic wind speed of 90 mph.
> I would appreciate any other opinions out there.
> Thanks!
> Brian

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