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RE: Design of Steel Joists

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Instead of a net uplift diagram, we provide a gross uplift diagram which is primarily used by the roofing manufacturer/contractor for determination of the required fastener.


Warren S. Foy
Structural Design Manager
The Mason & Hanger Group Inc.


300 West Vine Street, Suite 1300
Lexington, KY   40507-1814
voice: 859.252.9980
fax: 859.389.8870

-----Original Message-----
From: Matthew Stuart [mailto:m.stuart(--nospam--at)]
Sent: Wednesday, May 23, 2001 2:35 PM
To: seaint(--nospam--at)
Subject: RE: Design of Steel Joists

To assure yourself that the joist manufacturer is designing for the correct uplift loads you must provide a net roof uplift diagram on the drawings.  This is typically done in conjunction with the roof diaphragm connector diagram.