Cobo Hall

Project: Cobo Hall

Project Description: This 1.3 million-square-foot expansion project was seven weeks behind schedule when NSC was brought in on the job. The addition would span an existing interstate highway and would require long, continuous trusses. Box columns, weighing 25 tons each, supported the field-assembled trusses that were 20 feet deep, 180 feet long and weighed 140 tons each. The addition also featured an elevated guideway to accommodateDetroit’s downtown People Mover.

Owner: City of Detroit, Michigan

Tons: 23,600

Location: Detroit, Michigan