Construction Update
Week of January 18
Pouring the L-wall in Lyon Station Cavern
Lyon Station
Crews complete rebar installation and pour concrete for the L-walls.
Preparation for rock excavation at Lyon Station west entrance
Lyon Station West and East Entrance
West Entrance: line drilling continues in preparation for rock excavation. Work on the HVAC shaft is ongoing, including asphalt removal and initial work to relocate a watermain.
East Entrance: concrete pouring takes place, along with mechanical and electrical relocations.
Mining the bench in Parliament Station cavern
Parliament Station Cavern
Chewrocka mines the north drift bench and centre pillar. Initial support activities will follow
Final work on the winter enclosure at Parliament Station west entrance
Parliament Station West and East Entrance
West Entrance: final works on the winter enclosure are completed.
East Entrance: concrete work continues on the parking levels, including column reinforcement, formwork and pours.
Traffic restrictions on Queen and O’Connor streets are in effect.
Excavating Rideau Station cavern
Rideau Station
Crocodile rouge continues mining the bench and tunnel support activities are ongoing.
Excavating Rideau Station east entrance
Rideau Station West and East Entrance
West Entrance: micro-pile installation is completed, and soft ground excavation begins.
East Entrance: crews complete line drilling and continue reinforcements. Blasting is anticipated to begin by the end of the week.
Traffic restrictions on Rideau Street remain in effect.
Pouring walls at Tremblay Station
Hurdman, Tremblay, St-Laurent, Cyrville and Blair Stations
At Hurdman Station, backfilling continues and crews mobilize onsite to begin plumbing work.
At Tremblay Station, crews continue working on the station footings and foundation walls. Rebar and forming occur over the next few weeks.
At St-Laurent Station, crews continue pouring columns for the station, which will be followed by backfilling. Crews also begin excavating duct banks.
At Cyrville Station, backfilling occurs for the operator’s building and crews continue forming the stairwell walls.
At Blair Station, foundation walls are being finalized. Waterproofing and backfilling also occur.
Guideway– Booth Street Bridge, Lees, Hurdman and Tremblay Stations
Work resumes at the Booth Street Bridge with girder installations.
Work continues at the south abutment of the Rideau River Transitway Bridge, including excavation.
At the D-Ring road next to VIA Rail, crews will return in early February to continue deck work.
Installation of duct banks and OCS foundations are ongoing west of St-Laurent Station. Watermain relocation continues along the guideway, west of St-Laurent Station to Tremblay Station.
Trackwork, including ballast and tamping, is anticipated to continue west of St-Laurent Station as early as the end of winter.
Installing OCS poles at Belfast Yard
Belfast Yard Site and Connector Works
In the yard, crews begin installing OCS poles and cables. Preparations begin for delivery of Traction Power Sub Station. In the connector, drilling of the dowels is finalized and crews begin preliminary work to pour the track slab.
Upcoming Construction Activities
In the coming weeks, the following construction activities are scheduled to occur:
- Pimisi Station construction.
- Work on CPR overpass.
- Lyon Station west entrance excavation including blasting.
- Hurdman Station permanent bus loop construction.
- Deck work at the Hurdman Station elevated guideway.
- Deck work at the Tremblay Station guideway.
- Watermain work near St-Laurent Station.
In the coming months:
- Tunney’s Pasture Station preliminary works.
- Transitway service adjustment from Lees to Campus stations.
- uOttawa Station construction.
- Lees Station construction.
http://www.ligneconfederationline.ca/construction/construction-update-56/