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ALRT GUIDEWAY
Location:Greater Vancouver, BC, Canada Description:This was the first transit system to use automated driverless trains propelled by linear induction motors. It comprises typical spans of 30 m (98 ft.) precast, pre-stressed concrete box girders. Owner:Greater Vancouver Transportation Authority (TransLink) Client:1984 - First Peter Kiewit Sons Ltd.
Scope of Work:In 1984, Buckland & Taylor Ltd. provided construction engineering for the placement of 1,100 precast, pre-stressed concrete box girders to an accuracy of 3 mm (.118 inches). Buckland & Taylor Ltd. carried out preliminary investigations into the effects of the use of heavier Mark II vehicles (18,750 kg) on the system as early as 1991. In 1999, Buckland & Taylor Ltd. developed evaluation and rehabilitation design criteria, led a consultant team carrying out a detailed structural review of the entire existing system, which at that time measured 29 km (18 miles). For this project, Buckland & Taylor Ltd. reviewed the SkyBridge and over 5 km (3.1 miles) of elevated guideway as well as providing overall project co-ordination. This review identified that several of the guideway components were deficient for the Mark II loading. Buckland & Taylor Ltd. designed structural upgrades for these components and monitored the installation of the upgrades.
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