Construction Update

Installing formwork for the L-walls in Lyon Station cavern - Installation du coffrage des murs en L dans l’espace souterrain de la station Lyon

Lyon Station

Crews install formwork for the L-walls and continue pouring concrete.

Concrete work at Lyon Station east entrance - Travaux de béton à l’entrée est de la station Lyon

Lyon Station West and East Entrance

West Entrance: crews continue line drilling in anticipation of blasting next month. HVAC shaft preparations are ongoing.

East Entrance: mechanical and electrical installations are ongoing and crews begin pouring concrete for the elevators at the parking levels.

Mining the bench in Parliament Station cavern - Creusement de la banquette du grand espace de la station Parlement.

Parliament Station Cavern

Jawbreaker continues to mine the bench and support activities are ongoing.

Excavation of the running tunnel - Forrage du tunnel

Running Tunnel

Chewrocka continues excavating the running tunnel between Parliament and Rideau stations and is in proximity to Metcalfe Street. This is followed by support activities along the tunnel including shotcrete.

Work continues inside the Parliament Station west entrance - Les travaux continus à l’intérieur de l’entrée ouest de la station Parlement

Parliament Station West and East Entrance

West entrance: crews prepare to begin structural removals and mobilize onsite for initial concrete work.

East entrance: crews continue rebar and formwork on the columns at the parking levels. Telecommunications relocations also occur.

Traffic restrictions on Queen and O’Connor streets are in effect.

Mining the bench ramp in Rideau Station cavern - Mining the bench ramp in Rideau Station cavern - Excavation de la rampe de la banquette dans l’espace souterrain de la station Rideau

Rideau Station

In the station cavern, Crocodile Rouge mines the bench ramp and tunnel support activities occur. In the east running tunnel, work on starter walls is ongoing and crews pour the final concrete lining.

Hoarding installed at the Rideau Station entrances - Installation de la palissade aux entrées de la station Rideau

Rideau Station West and East Entrance

West Entrance: crews mobilize to begin excavation, followed by installation of whaler beams and support activities such as wire mesh and shotcrete. Winter protection will also be installed.

East Entrance: work begins to install whaler beams. Reinforcement and line drilling activities are ongoing.

Traffic restrictions on Rideau Street remain in effect.

Concrete wall pours at Tremblay Station - Coulage des murs de la station Tremblay

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

At Hurdman Station, underground plumbing works take place over the next few weeks. Equipment mobilization also occurs.

At Tremblay Station, wall pours continue and crews begin pouring the elevator shaft.

At St-Laurent Station, crews begin demolition of the south platform and excavation for the south columns. At the north side of the station, work begins on the mud slab for the footings.

At Cyrville Station, crews continue working on and forming the stairwell. Backfilling is being completed at the operator’s building.

At Blair Station, crews are finalizing wall pours. Backfilling also occurs this week.

Girder installation at the Booth Street Bridge - Installation des poutres du pont de la rue Booth

Guideway Construction – Booth Street Bridge and Rideau River Transitway Bridge

At the Booth Street Bridge, final work on the girders occurs. Crews begin preliminary work to form the deck.

Excavation is ongoing at the south abutment as part of the Rideau River Transitway Bridge rehabilitation work.

Guideway works continue west of St-Laurent to Tremblay stations, with the installation of ductbanks and OCS foundations. Crews are expected to return by the end of winter to continue concrete and OCS work.

Crews install OCS poles at Belfast Yard - Installation des poteaux du système de suspension caténaire sur le chemin Belfast

Belfast Yard Site and Connector Works

In the yard, crews install OCS poles, cables, switch machines and heaters.

In the connector, crews continue drilling dowels and pour track slab in sections. Work begins to install direct fixation tracks.

Upcoming Construction Activities

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

  • Pimisi Station caisson installation.
  • Work on CPR overpass including demolition.
  • 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.
  • Guideway and trackwork along the alignment.