Tunnel Business Magazine

JUN 2018

TBM: Tunnel Business Magazine is the market leader for North America. TBM is written for leading professionals in all aspects of tunneling and covers project stories, design elements, contracting strategies, legal issues, new technology and more.

Issue link: http://digital.tunnelingonline.com/i/986315

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Page 15 of 51

TUNNELINGONLINE.COM TBM: TUNNEL BUSINESS MAGAZINE // JUNE 2018 C O V E R S T O RY 1 6 M uch has been made worldwide of the dif- ference in performance between new and r - ists that seems to favor new machines, but is the bias warranted? The reuse of machines can, if done to exacting standards, reduce costs and time to deliver. Guaranteeing the q ebuilds, howev- er, is another issue. International guidelines have been developed to standardize the process of r for another project. But is standardization possible? And can a use erform to the same standards as a new one? The Worldwide Marketplace "There is no reason why a used machine shouldn't perform as well as a new machine if you know the operational history of the machine and if it's used Is Industry Bias Toward New Machines Limiting? Weighing the Options Rebuilt TBMs offer a number of advantages, including faster delivery times, lower costs, and proven equipment success. Many TBMs, like the one pictured in St. Louis, Missouri, have excavated dozens of km of tunnels and have been in use for decades.

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