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Hyatt Regency Walkway Collapse

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Lauren Ritter

on 27 October 2012

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Transcript of Hyatt Regency Walkway Collapse

Hyatt Regency Walkway Collapse Lauren Ritter Period 3 The walkway collapsed on Jul y17, 1981. On the day of the collapse, people were gathered to participate, watch, and enjoy a dance competition. Ronald Reagan was president at the time. During 1981, researchers had also found the wreck to the famous failure of a structure, the Titanic. WHEN? The Hyatt Regency Hotel construction began in 1978. The structure was finished and opened for business in July, 1980. General Information Citations Hyatt Regency Hotel Walkway Collapse, Missouri, 1981. (2011, August 12). Walkway Collapse Kansas City Missouri 1981. Retrieved October 23, 2012, from http://www.nist.gov/el/disasterstudies/construction/walkway_kansascity_1981.cfm

Kansas City Hyatt Regency Hotel. (n.d.). Kansas City Walkway Collapse. Retrieved October 27, 2012, from http://antoine.frostburg.edu/phys/invention/case_studies/disasters/kansas_city_walkway.html

Hyatt Regency Walkway Collapse. (2006, October 24). ENGINEERING.com. Retrieved October 27, 2012, from http://www.engineering.com/Library/ArticlesPage/tabid/85/ArticleID/175/Hyatt-Regency-Walkway-Collapse.aspx

Hotel Horror. (n.d.). Home. Retrieved October 27, 2012, from http://www.kclibrary.org/blog/week-kansas-city-history/hotel-horror The Hyatt Regency Hotel was helped built by G.C.E. International, Inc, an engineering company, and Eldridge Construction Company, the general contractor. The Havens Steel Company made the hanger rod connections. HSC had changed the original design, and used double rods for the second and fourth floor walkways. Architecture The connection rods for the second and fourth floor walkways weren't made to hold so much weight, and collapsed. The design of the walkways was very poor, and wasn't designed to hold so much weight. Also, G.C.E. had changed the design, resulting in a new design that was worse. Originally, there were supposed to be single rods to help support the walkways, but they changed it to double rods. The weight put on the fourth floor due to the different design was too much. The box beam that was supporting the rods became worn out, deformed, and too weak to hold up the walkways because of the supporting nuts and washers. Another main reason for failure was the miscommunication between the managing companies. Draft sketches were mistaken for finalized drawings, a change in the design, and general miscommunications happened. Failure 114 had died in the disaster, and more than 200 were injured. The collapse cost millions of dollars. Also, GCE International, Inc. lost their license to build and were blamed for the whole disaster. Results One proposed fix is better communication between the engineering company, and the steel company. If they had communicated better and worked together, less mistakes would have been made. Also, the design should have been better. The original design wouldn't have even met the building code requirements. Had the design been better and more thorough, the walkways wouldn't have failed. Proposed Fixes
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