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Re: EOR (Hyatt)

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Fellow Engineers,

	Another publication which has some information on this failure and a
good number of other failures is

"To Engineer is Human" by Henry Petroski.
Published by Vintage Books, a division of Random House Inc., New York.

It's light easy reading suitable for engineers and non engineers and it
does have some meaningful insights into failures.

	Good reading.


				H. Daryl Richardson

leyendecker(--nospam--at) wrote:
> The definitive report on this failure is "Investigation of the Kansas City
> Hyatt Regency Walkways Collapse," NBS Building Science Series 143,
> Marshall, Pfrang, Leyendecker, and Woodward.  The publication date is May
> 1982.  Try the  Supertindents of Documents, U.S. Government Printing
> Office, Washington, D.C. 20402 or the National Institute of Standards and
> Technology (formerly the National Bureau of Standards) in Washington, D.C.
> The Library of Congress Catalog Card Number is 81-600538.  The report is
> also be available at some libraries.   Although I am somewhat biased, I
> think you will find the report enlightening (about the collapse) and
> perhaps even shocking.
> Edgar V. Leyendecker
> Phone 303-273-8565
> FAX      303-273-8600
> Mailing Address               Physical Location/Overnight Mail
> USGS                             USGS
> Federal Center                 1711 Illinois St, Room 425
> MS 966, Box 25046          Golden, CO 80401
> Denver, CO 80225
> From: Dave Adams [mailto:davea(--nospam--at)]
> Sent: Monday, January 22, 2001 4:40 PM
> To: 'seaint(--nospam--at)'
> Subject: RE: EOR (Hyatt)
> I've got a brief blurb on this failure in a book entitled "Design &
> Construction Failures" by Dov Kaminetzky, who explains that neither the
> originally-designed connection detail of the hanger rods to the channels
> nor
> the as-built detail could safely support imposed loads. Both details placed
> these hanger rods at the edge of channel flanges without any stiffeners or
> reinforcing plates.
> I'd be interested in reading more about this failure. Does anyone have a
> reference to recommend?
> Regards,
> Dave K. Adams, S.E.
> Lane Engineers, Inc.
> PH: (559) 688-5263
> E-mail: davea(--nospam--at)
> -----Original Message-----
> From: Todd Hill [mailto:thill(--nospam--at)]
> Sent: Monday, January 22, 2001 12:43 PM
> To: 'seaint(--nospam--at)'
> Subject: RE: EOR
> <<
> The Kansas City Hyatt walkway failure, in the early 1980's, is one of most
> prolific of the many examples where the Engineers were responsible for
> failures that occurred from a design changes made without their knowledge.
> >>
> Actually the design change was with their knowledge, they choose not to
> check it (even after an architect brought it to their attention). I didn't
> read anything in the court case on omission of on-site inspections, but I
> only have a brief copy of the court case (final version is 442 pages long).