Construction Update

With the holiday season now behind us, station construction activities ramp up along the 12.5-kilometre LRT alignment, with concrete work at Tunney’s Pasture Station continuing and, by end of the week, masonry installation at uOttawa Station getting underway.

Pimisi Station suspended slab and station progress - Les travaux progressent à la station Pimisi, notamment la construction de la dalle suspendue

West Stations

Tunney’s Pasture Station: This week, crews drill rock anchors and continue station excavation.

Bayview Station: Construction advances at the station and includes installing grade beams and duct banks as well as concrete work for the ancillary building.

Pimisi Station: Suspended slab construction, formwork and mechanical and electrical work are ongoing at the station. 

Rideau Station cavern arch concrete work - Travaux de béton pour la construction de l'arche de l'espace souterrain de la station Rideau

Central Stations

Lyon Station cavern: Station architectural works progress and include formwork, work on station stairs and curbs, and installation of masonry. In the west transition, work on the arch and concourse wall is ongoing.

Lyon Station west entrance: Work continues at the entrance, including on the station walls and beams. Excavation and wire saw cutting for an anticipated breakthrough to the tunnel occur at the east vent shaft.

Lyon Station east entrance : Integrated entrance construction advances with the installation of masonry at the parking level and concrete work on the ground floor mechanical room and walls. At the HVAC shaft, crews begin wire saw cutting.

Parliament Station cavern: Crews install rebar on station columns, continue working on the deck and forming the arch in anticipation of concrete pours. Concrete pours for the mud slab continue in the running tunnel.

Parliament Station west entrance: This week’s activities at the integrated entrance include work on parapets. Crews also continue hand chipping rock and excavation at the east vent shaft.

Parliament Station east entrance
Crews begin rock support activities and install rock bolts as part of work on the integrated entrance.

Concrete pours of the mud slab at the East Portal ramp - Injection de coulis de béton à la bretelle d'accès du portail est

Rideau Station cavern: Work on the station arch continues and includes waterproofing and rebar installation in sections, followed by the beginning of the final concrete lining. Crews also pour concrete for station walls.

Rideau Station west entrance: Construction of the station entrance continues to ramp up with 24/7 activities. This week, work includes excavation, spraying shotcrete, and installing whaler beams and struts as part of station reinforcements. Crews begin line drilling and rock excavation at the HVAC shaft.

Rideau Station east entrance: The integrated entrance continues to progress with crews waterproofing walls, forming the elevator pits and stairs, in addition to installing rebar on the exterior station walls.

Rideau Street remains open to buses and taxis only. Regular traffic continues to be prohibited on this portion of Rideau Street until the Confederation Line begins operation in 2018.

uOttawa Station: Crews prepare to install masonry at the station at the end of the week and continue forming stairs as well as mechanical and electrical work.

East Portal: Construction of the ramp is ongoing. This week, crews continue pouring the mud slab, waterproofing and shotcrete activities, as well as installing whaler beams during the daytime and overnight.

Work on station roof at Tremblay Station - La construction du toit de la station Tremblay

East Stations

Lees Station: Crews continue micro-piling and working on the auxiliary building.

Hurdman Station: Station construction progresses with roofing, glazing, the installation of structural steel and masonry, as well as concrete work on stairs and suspended slabs in sections. At the bus operators’ building, crews install porcelain panels and work on the ceiling, in addition to beginning tiling activities.

Tremblay Station: Construction progresses at the station with mobilization to begin the next phase of roofing this week. In addition, work occurs on parapets, elevators and interior rooms.

Panel installation, Blair Station - Installation des panneaux

St-Laurent Station: Ceiling hanger work advances at the station and final steel installation occurs for the plenum.

Cyrville Station: Work advances at the station and includes porcelain panels installation on the auxiliary building, composite panel work, sub framing for the ceiling and glazing in sections.

Blair Station: Crews frame the ceiling and install composite and porcelain panels in the station. At the bus operators’ building, work includes final mechanical rough-ins and ceiling framing.

Tunnel reinforcements-running tunnel west of Rideau Station - Installation des renforts des parois du tunnel dans le dernier tronçon du tunnel ferroviaire à l'ouest de la station Rideau

Excavation and reinforcements are ongoing.

Preparing crossover tracks on guideway-east of Tunney's PastureStation - Préparation en vue de l'installation de jonctions de rails à l'est de la station Tunney's Pasture


Tunney’s Pasture Station to West Portal: Guideway activities in this section include saw cutting and removals of the parapets along Bayview Bridge, work on the retaining walls and drilling for the crossover tracks.

Mann Avenue Bridge: Crews continue constructing the bridge’s wing walls in anticipation of a concrete pour by the end of the month.

Mann Avenue Bridge to Blair Station: Work resumes this week, including drilling dowels for plinths, part of  trackwork along this section of guideway and construction of the traction power sub station foundation west of Lees Station. Vehicle testing, including dynamic testing, continues between Cyrville and Blair stations.

Upcoming Construction Activities

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

  • Pimisi Station structural steel installation.
  • Lyon Station west vent shaft work resumes.
  • Ongoing overnight work at the Rideau Station west and east entrances, and at the East Portal.
  • Structural steel installation at uOttawa and Lees.
  • Masonry installation at uOttawa Station.
  • Overnight bracket installation at the Mann Avenue bridge; lane restrictions will occur during this work.
  • Installation of the traction power sub station on the guideway west of Lees Station.
  • Fencing installation on guideway just west of Tremblay Station.

Overhead Catenary System energized in phases for ongoing vehicle testing from Belfast Yard and Blair Station.