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Tunnel boring starts for Evergreen Line

0 42 Infrastructure

A tunnel boring machine named Alice was christened by B.C. Premier Christy Clark before construction began on the Evergreen Line tunnel to expand light rapid transit in the Lower Mainland.

A tunnel boring machine named Alice was christened by B.C. Premier Christy Clark before construction began on the Evergreen Line tunnel to expand light rapid transit in the Lower Mainland.

The Evergreen Line two-kilometre tunnel will run east of Barnet Highway in Port Moody to south of Kemsley Avenue in Coquitlam.

The machine will drill a single tunnel in one direction to speed up construction schedules. The Evergreen Line will link Burnaby, Port Moody and Coquitlam.

EGRT Construction is building the elevated and at-grade guideways, the two-kilometre bored tunnel, seven stations, power substations, train-operating systems and parking facilities, as well as a vehicle-storage and light-maintenance facility. The machine is named Alice after Alice Wilson, Canada’s first female geologist. The entire tunnel boring machine is 85 metres long and 10 metres in diameter.

The first piece of the machine, called the cutter head, weighs 130 tonnes.

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by Journal Of Commerce

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