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RE: Hyatt Regency Collapse (was:E: Plan Check (was Re: Rigid Wood Diaphragm?)

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Title: RE: Hyatt Regency Collapse (was:E: Plan Check (was Re: Rigid Wood Diaphragm?)

Plan checks do not typically include an on going review of the shop drawings after the contract drawings have been submitted for review and permitting.

D. Matthew Stuart, P.E., S.E., P.Eng.
Senior Project Manager
Schoor DePalma Engineers and Consultants
Structural Department
200 State Highway Nine
Manalapan, NJ 07726
732-577-9000 (Ext. 1275)
908-309-8657 (Cell)
732 -431-9428 (Fax)
mstuart(--nospam--at)schoordepalma.com

-----Original Message-----
From: Mike Jones [mailto:mike(--nospam--at)jlaeng.com]
Sent: Thursday, October 16, 2003 9:15 AM
To: seaint(--nospam--at)seaint.org
Subject: Hyatt Regency Collapse (was:E: Plan Check (was Re: Rigid Wood Diaphragm?)

Thursday, October 16, 2003, 7:51:38 AM, you wrote:

HBJ> Re Hyatt Regency collapse:

HBJ> My understanding on this failure was that the rods supporting the
HBJ> balcony were changed from continuous to a spliced connection.  So that
HBJ> the nut on the upper end of the lower rod was overloaded.  I thought
HBJ> this was a construction change in the field and not the design intent.
HBJ> If this was the case, then the plan check would not have caught it.

http://www.uoguelph.ca/~ajenney/webpage.htm for some pictures and
further description.

--------------------------------------------------------
Best regards,
 Mike Jones, P.E.             mailto:mike(--nospam--at)jlaeng.com
--------------------------------------------------------
--------------------------------------------------------


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