Lafarge-Bath Plant West Quarry Development
Bath, Ontario, Canada
Construction of an access tunnel to allow for continued quarry development.
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Completion Date October, 2008
Owner Lafarge North America
Geology
Limestone
City of Edmonton South LRT Extension
Edmonton, Alberta, Canada
City of Edmonton South LRT Extension
Twin Subway Tunnels
Portal to Existing University Station
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Completion Date May, 2004
Owner City of Edmonton
Geology
Glacially Deposited Material Consisting of Clay Layer, Dry Uniform Sand Layer, Silty/Sand with Hydrostatic Pressure Reaching 2 bar and a layer of Bedrock
Sheppard Subway Twin Tunnels
TORONTO, ONTARIO, Canada
TUNNEL MINING DIMENSIONS
7,824, x 5.91m Ø
EXCAVATION METHOD
2 No. Lovat Earth Pressure Balance
Tunnel Boring Machines (EPB)
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Completion Date January, 2000
Owner Toronto Transit Commission
Geology
Clay & Till, generally wet with some
boulders
Toronto Convention Center
Toronto, Ontario, Canada
Project consisted of 103m of 3.7m horseshoe tunnel finished with a cast-in-place concrete liner.
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Completion Date December, 1995
Owner Marathon Realty Co. Ltd.
Geology
Shale and limestone
Walker Brothers Quarry Access Tunnel
ST.CATHARINES, ONTARIO, Canada
TUNNEL MINING DIMENSIONS
64m x 9m x 6m
EXCAVATION METHOD
Drill and Blast
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Completion Date January, 1988
Owner Walker Brothers Quarry
Geology
Limestone