THE CONCRETE BRIDGE MAGAZINE

FALL 2007

ASPIRE is a quarterly magazine published by PCI in cooperation with the associations of the National Concrete Bridge Council. The editorial content focuses on the latest technology and key issues in the Concrete Bridge Industry.

Issue link: http://www.aspiremagazinebyengineers.com/i/306906

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42 | ASPIRE , Fall 2007 When engineers were tasked with the assignment of designing the last link in the new Seattle Sound Transit light rail system, they already had a model to work from. The same group had recently completed a similar project in Vancouver, British Columbia, Canada. "Conceptually, we looked at a lot of different possi- bilities for the project, but our experience from the Vancouver project pointed us toward building an elevated system employing segmental precast concrete bridges," says Christopher Hall, Senior Project Manager for International Bridge Technologies (IBT) in San Diego, designers of the bridges. profile Seattle Sound tranSit light r ail / SEAttlE, WASh Ington Prime Design Consultant: hatch Mott MacDonald, Bellevue, Wash. Pre C ast segmental guiDeway Design Consultant: International Bridge technologies, Inc. (IBt), San Diego, Calif. ConstruCtion management Consultant: Parsons Brinckerhoff CS, Seattle, Wash. Prime ContraCtor: PCl Construction Services, Inc., Bellevue, Wash. ConstruCtion engineer: t.Y. lin International, olympia, Wash. PreCaster: Bethlehem Construction, Inc., Cashmere, Wash., a PCI-Certified Producer Precast Segmental Guideway Forges Important Transit Link by Wayne A. Endicott 'Big, long viaduct' completes s eattle's new light-rail system with airport link Construction of the 350-ft span over the Duwamish River. Photo: IBT. 10802_Aspire_Fall07.indb 42 8/30/07 3:16:31 PM

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