Construction Update
Week of February 29
Progress on the L-wall in Lyon Station cavern
Lyon Station
Crews continue to install rebar and conduits, and complete formwork for the L-wall. Drainage and conduit installation is ongoing.
Crews prepare to pour the arch final lining in the running tunnel between Lyon and Parliament stations.
Mining the bench in Parliament Station cavern
Parliament Station
In Parliament Station cavern, Jawbreaker completes mining the central pillar.
In the running tunnel, excavation and support activities such as rockbolt installation and shotcrete are ongoing.
Excavation in Rideau Station cavern
Rideau Station
Crocodile Rouge continues to excavate the station cavern in drifts.
Shoring on Rideau Street as part of Rideau Station west entrance works
Downtown Integrated Stations and Entrances – Lyon, Parliament and Rideau Stations
Lyon Station west entrance: crews continue blasting operations, followed by removals. At the HVAC shaft, line drilling takes place.
Lyon Station east entrance: crews continue installing rebar and dowels, and pour concrete. Utility work including installation of the cable tray continues.
Parliament Station west entrance: crews complete formwork and install steel at the parking levels as part of escalator work.
Parliament Station east entrance: demolitions and removals continue at the ground level. Column reinforcement occurs on the concourse level.
Traffic restrictions on Queen and O’Connor streets switch to the west side of O’Connor Street.
Rideau Station east entrance: crews continue blasting and remove materials.
Rideau Station west entrance: excavation continues, along with soil reinforcements such as wire mesh and shotcrete. Crews complete micro-piling operations. Shoring occurs on the north side of Rideau Street as part of west vent shaft works.
Traffic restrictions on Rideau Street remain in effect.
Crews pour concrete at the operators’ building at Cyrville Station
Pimisi, Hurdman, Tremblay, St-Laurent, Cyrville and Blair Stations
Pimisi Station: crews begin initial mobilization to install caissons, part of station construction.
Hurdman Station: crews continue excavating and backfilling. Underground electrical and plumbing work occur for the station and permanent bus loop.
Tremblay Station: work on the platform, rough-ins, plumbing and concrete pours continue. Construction of the station walls are ongoing.
St-Laurent Station: crews begin pouring the mudslab for the future station and form the suspended ceilings. Rebar installation and excavation are ongoing,
Cyrville Station: crews form the stairs and begin installing structural steel. The next phase of work begins on the operators’ building.
Blair Station: crews complete formwork and finalize rebar for the slab. Installation of structural steel continues. Waterproofing, mechanical work and electrical rough-ins are ongoing.
Vehicle assembly
Upcoming Construction Activities
The following construction activities are scheduled to occur:
• In the coming weeks:
• Tunney’s Pasture bus loop works.
• Investigative boreholes on Rideau Street.
• Deck work at the Hurdman Station elevated guideway.
• Tremblay Station at-grade work west of VIA Rail Station.
• Watermain work near St-Laurent Station.
• Structural steel erection at Cyrville and Blair stations.
In the coming months:
• Tunney’s Pasture Station preliminary works.
• Bayview Station preliminary works.
• Booth Street Bridge deck pour.
• Excavation of the ramp at West Portal.
• Transitway service adjustment from Lees to Laurier stations.
• uOttawa Station construction.
• Lees Station construction.
• Guideway and trackwork along the alignment.
http://www.ligneconfederationline.ca/construction/construction-update-62/