Chapter
Aug 3, 2017
Buried Pipeline Utility Relocation for Light Rail Transit in Phoenix What Is the Best Project Delivery Method?
Publication: Pipelines 2017
Abstract
Valley METRO used three delivery methods to build the first three light rail transit (LRT) segments in the Phoenix metropolitan area. Central Phoenix East Valley, completed in 2008, used a conventional Design-Bid-Build approach. However, Northwest Extension and Central Mesa Extension, which were finished in 2015 utilized a Construction Manager at Risk approach and a Design-Build approach, respectively. Utility relocation is an essential part of LRT system construction, where the alignment is located in an existing road right-of-way. The project delivery method impacts both the design and the construction for utility relocation in many ways. Three notable areas of differences are potholing, schedule and partnering. Using examples from each LRT segment, similarities and differences in impacts for each delivery method, are analyzed from a designer’s perspective.
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© 2017 American Society of Civil Engineers.
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Published online: Aug 3, 2017
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P.E.
Stantec Consulting Services Inc., 8211 S. 48th St., Phoenix, AZ 85044. E-mail: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.