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Article: Cable tray speeds cable installation: as CTA replaced signals on its Blue Line, a cable tray system helped get the job done in very narrow work windows.
- Article from:
- Railway Track and Structures
- Article date:
- May 1, 2007
CopyrightCOPYRIGHT 2007 Simmons-Boardman Publishing Corporation. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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The willingness of a manufacturer of cable management systems to respond quickly to a Chicago-area electrical contractor thinking "outside the box" enabled the contractor to install new AC lighting and rail signal cable inside the tunnels of an extremely busy city subway line at a very healthy clip.
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The innovative use of cable tray in place of reliance on messenger cable to support the installation of new cables along the walls of the subway tunnel (as the existing installation does) is helping the contractor, Aldridge Electric, move full steam ahead along approximately 22 miles of track encompassing elevated, ballast and subway ...