Project Highlights

A35-26 Highway 407 Station and the Northern Tunnels

• Toronto-York Spadina Subway Extension (TYSSE)
• Contractor: OHL/FCC LP
• Client: Toronto Transit Commission
• Location: Toronto, Ontario, Canada
• Budget: 357.53 million dollars CAD
• Notice of Contract Award: January 19, 2011
• Project Completion Date: October 2015
• Permanent works concrete box structure (20x150x20m) and bus terminal
• Site services: water, storm, sanitary

Highway 407 Station

Northern Tunnels

• 7.2km (3.6km each) TBM mined tunnel (6m diameter)
• 200m SEM Tunnel
• Permanent works: 2 crossover box structures, 3 emergency exit shafts, 3 cross passages SEM Tunnel

North Twin Tunnels

Tunnel Mining (100% Completado); Track Invert (70%)

TBM twin tunnel mining is 100%.

Tunnel track invert concrete work is 70%

Drive 1 (EEB4 to North Wye –100% Complete)

Drive 2 (407 to ES2 – 90% Complete)

Drive 3 3 (407 to ES3 – 20% Complete)

Highway 407 Station and Bus Terminal

33% complete

SEM Tunnel

88% complete

Running Tunnels 100%

Pocket track is 65% (Overall)

Pocket track excavation is 100%

North and South Wye Crossover Structures

North Wye (78% Completado); South Wye (84% Complete)

North Wye

Reinforced concrete box units 1500 to 1505 are complete

Unit 1506 drop shaft is 85% complete

Units 1497 to 1499 will be constructed once SEM Tunnel work is finalized

South Wye

Units 1469 to 1472 are complete

Remaining units 1473 and 1474 will start shortly

Emergency Exit Buildings

EEB4 (74%); EEB5 (94%); EEB6 (75%); EEB7 (42%)

EEB4 is 74% complete

Invert slab and first lift of walls finished

EEB5 is 94% complete

Unit 1674 drop shaft final lift currently being completed

EEB6 is 75% complete

Completed up to second lifts of walls

EEB7 is 42% complete

Hand mining to each tunnel underway.

Permanent works to commence shortly.

Cross Passage

CP5 (93%); CP6 (1%); CP7 (64%)

Cross Passage 5 is 93% complete

Cross Passage 6 is 1% complete

Dewatering has been initiated

Cross Passage 7 is 64% complete

Temporary tunnel propping installed

Hand mining to begin shortly

York University Station Siteworks

100% complete

York University Station Siteworks is 100% complete

Site has been handed over to station contractor