YDSS Interceptor – 19th Ave. and Leslie Street
RICHMOND HILL, ONTARIO, Canada
4200m Segmented Precast
Concrete Tunnel complete with 5
Shafts, 2 of which were constructed
using the slurry wall method.
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Completion Date July, 2010
Owner Regional Municipality of York
Geology
Silty Clay/ Silty Sand / High Water
Table
Herridge Feedermain
Mississauga, Ontario, Canada
The construction of 1755m of a 3m dia. tunnel, tunnel entry and exit shafts, two in-line valve chambers. A 2100mm dia. concrete pressure pipe will be installed and backfilled in the tunnel.
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Completion Date April, 2010
Owner Region of Peel
St. Clair Avenue Combined Sewer Replacement
Toronto, Ontario, Canada
The work includes approximately 600m of 1800mm diameter concrete sewer in tunnel by Lovat Tunnel Boring Machine.
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Completion Date October, 2009
Owner City of Toronto
OAW Sanitary Sewer Phase 1
WELLAND, ONTARIO, Canada
TUNNEL MINING DIMENSIONS
2800m of 2.4m Ø Tunnel
EXCAVATION METHOD
Lovat Tunnel Boring Machine – 2.4m Ø
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Completion Date April, 2009
Owner Regional Municipality of Niagara
Geology
Silty Clay / Clay Till
Bathurst Collector and Langstaff Trunk Sewer Project
Vaughan, Ontario, Canada
A design build project being completed by McNally / Aecon Joint Venture and MacViro Consultants Inc. The project includes 8625 m 2.74 m inner diameter tunnel and 6 access shafts.
Three tunnel drives are being completed on the project, two for the Bathurst Sewer and one for the Langstaff Sewer. A main mining shaft is located at the mid-point of the Bathurst Sewer, from which the first of three TBMs was launched south for a 2550 m drive in January 2007. The TBM will be removed at the south limit and launched north from the main shaft for the remaining 2550 m. For the Langstaff tunnel, the TBM will be launched from the western limit for a 3525 m drive east to intersect the Bathurst tunnel.
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Completion Date November, 2008
Owner York Region
Geology
The tunnels range from 9 m to 30 m in depth, and will be constructed through till, sand and silty clay deposits with water heads up to 1.5 bar