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Super Grid Collapse Analysis

August 27, 2008 - 9:57am — Robin Smith
Super Grid Load-Testing and Collapse
Project Overview: 
McLaren was asked by NJSEA to provide a third party review of the design drawings, supporting calculations, and computer models of the first Super Grid designed for the Boardwalk Hall. Based on the findings of the review, McLaren recommended the Super Grid be load tested prior to being put into service for the Miss America Pageant.
McLaren's Role: 
McLaren developed a load-testing program that was performed, revealing inadequacies in the truss system that resulted in a collapse of the grid structure. Fortunately, the collapse occurred during the load test, as it would have been catastrophic had it occurred while in service. McLaren also participated in the follow-up investigations of the collapse.
Service: 
Design Review
Service: 
Load-Testing
Service: 
Forensic Investigation
Location: 
Atlantic City, NJ
Client: 
NJ Sports and Exposition Authority
Project Type: 
Structural Assessment/Forensic Analysis
Role: 
Prime
Contract Period: 
2000
Construction Cost: 
600,000
Image: 
78a - Supergrid Collapse.jpg
Image: 
78b - Supergrid Collapse.jpg

Location
Atlantic City, NJ

Client
NJ Sports and Exposition Authority

Our Role
Prime
Project Type
Structural Assessment/Forensic Analysis

Contract Period
2000

Construction Cost
600,000
Services
Design Review
Load-Testing
Forensic Investigation