North American tunneling '96

North American tunneling '96

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Many of the affected buildings maintained electrical and mechanical equipment for building operations in their lower ... FEMA directed the U.S. Army Corps of Engineers (USACE) to plug the breach and dewater the tunnel system. ... Each river crossing, therefore, had to be dewatered, inspected and assessed individually to determine the type and extent ... The schedule, as mandated by the City, was to per- form the preliminary investigations, complete the design activities, issue the 605.

Title:North American tunneling '96
Author:International Tunnelling Association. Meeting
Publisher: - 1996


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