Construction Update

Rebar installation in Lyon Station cavern - Installation des barres d’armature dans l’espace souterrain de la station Lyon

Lyon Station

Crews install rebar and pour concrete for the L-Wall foundation slab in Lyon Station cavern. Preparations begin to pour the pre-slab.

Crews spray shotcrete in Parliament Station cavern - Application de béton projeté dans l’espace souterrain de la station Parlement

Parliament Station

In Parliament Station cavern, Jawbreaker mines the central pillar and north bench support activities continue.

In the running tunnel, Chewrocka excavates east toward
Rideau Station. Tunnel support activities including shotcrete occur.

Progress of excavation in Rideau Station cavern - Avancement des travaux d’excavation dans l’espace souterrain de la station Rideau

Rideau Station

Crocodile Rouge excavates the station cavern in drifts. Crews complete pouring the tunnel arch final lining in the east running tunnel.

Rock removals at Rideau Station east entrance - Retrait du roc à l’entrée est de la station Rideau

Downtown Integrated Stations – East and West Entrances – Lyon, Parliament and Rideau Stations

Lyon Station west entrance: line drilling and blasting continue. At the HVAC shaft, line drilling and excavation are ongoing.

Lyon Station east entrance: crews pour concrete columns and beams at the parking and concourse levels. Utility relocations including plumbing and electrical are ongoing.

Parliament Station west entrance: at the parking levels, crews complete formwork and install rebar on the escalator pit in preparation for concrete pours in the coming weeks.

Parliament Station east entrance: at ground level, demolition and removals take place. On the concourse level, concrete work and column reinforcements are ongoing.

Traffic restrictions on Queen and O’Connor streets switch to the west side of O’Connor Street.  

Rideau Station east entrance: blasting and rock removals are ongoing.

Rideau Station west entrance: crews excavate and reinforce the entrance with wire mesh, whalers and shotcrete. Shoring begins on the north side of Rideau Street as part of west vent shaft works.

Traffic restrictions on Rideau Street remain in effect.

Installing rebar and beams at Blair Station - Installation des barres d’armature et des poutres à la station Blair

Hurdman, Tremblay, St-Laurent, Cyrville and Blair Stations

Hurdman Station: excavation for the future station structure and backfilling continue. Crews install underground plumbing. Construction of the station’s permanent bus loop is ongoing.

Tremblay Station: crews continue building station walls and footings, and pouring concrete. Excavation for the station platform, rough-ins and plumbing work occur.

St-Laurent Station: formwork for the ceiling slabs on the north side of the future station, backfilling and concrete pours continue. Work on the south side of the station is ongoing.

Cyrville Station: crews continue forming the station walls up to Cyrville Bridge as well as the stairs for the future station.

Blair Station: crews form ceiling slabs, and install rebar and beams. Mechanical and electrical rough-ins are being installed. Backfilling and waterproofing occur.



Rehabilitation of the south abutment of the Rideau River Transitway Bridge - Reconstruction de la culée sud du pont du Transitway qui traverse la rivière Rideau

Guideway Construction – CPR Overpass, Booth Street Bridge and Rideau River Transitway Bridge

CPR Overpass: crews demolish the overpass and remove materials from site.

Booth Street Bridge: crews continue forming the deck in preparation for concrete pouring. This next stage of bridge construction is expected to occur in
spring 2016.

Rideau River Transitway Bridge: work is ongoing for the next months to rehabilitate the abutments, and includes excavation of the south side.

Upcoming Construction Activities

In the coming weeks, the following construction activities are scheduled to occur:

  • Tunney’s Pasture bus loop works.
  • Pimisi Station caisson installation.
  • Investigative boreholes on Rideau Street.
  • Deck work at the Hurdman Station elevated guideway.
  • 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.