Construction Update

Station construction advances along the alignment. This week, steel beams are delivered at Tunney’s Pasture Station to begin the next phase of construction, walls are being formed and poured at Lees Station and crews mobilize to begin final platform finishes at Cyrville and Blair stations.

Tunney's Pasture Station rebar and station wall concrete work - Pose des barres d'armature et travaux de bétonnage sur les murs de la station Tunney's Pasture

West Stations

Tunney’s Pasture Station 
Station construction continues to progress with the construction of the retaining wall and installation of steel beams. Work on the foundation also occurs and includes construction of footings and ongoing rebar and formwork.

Bayview Station 
Backfilling and final grade beam installation occurs this week and crews continue working on columns and the upper concourse slab.

Pimisi Station 
Crews continue installing structural steel and conduits at the station, and pouring concrete for slabs.

Lyon Station cavern progress of architectural work - État d'avancement des travaux d'architecture dans l'espace souterrain de la station Lyon

Central Stations

Lyon Station cavern
Crews prepare to install hardware on doors this week, and continue guardrails, tiling on the south side of the platform, and painting stairs and sections of the ceilings.

Lyon Station west entrance
Crews continue installing structural steel for the head house and working on stairs; including forming and pouring concrete, followed by curing. Forming of the roof of the elevator shaft as part of work on elevators is also ongoing. At the east vent shaft, walls are poured and cured in phases.

Lyon Station east entrance 
Integrated entrance construction advances and includes the installation of structural steel and masonry on the concourse and ground levels, and concrete work and curing on the mezzanine level. Work on elevators, installation of escalators, rough-ins and the HVAC also occur. Concrete work is ongoing at the HVAC shaft.

Rock removal and shoring advances at the Parliament Station - west entrance =État d'avancement de l'enlèvement de la roche et de l'étayage à l’entrée ouest de la station Parlement

Parliament Station cavern 
Arch concrete lining work is ongoing and includes waterproofing and rebar installation on the cavern walls. In addition, architectural work takes place in the cavern, and formwork and concrete pours also occur for the pillars.

Parliament Station west entrance
Crews continue with shoring activities and rock removals this week. Sections of shotcrete are also removed to begin the next phase of station construction this week.

Parliament Station east entrance 
Entrance construction continues to advance with the installation of dowels, rebar and formwork for the lower pits, and mud slab work for the stairs. Rebar and concrete pours occur for the stair walls, and concourse walls are formed and poured.

Rideau Station cavern
This week, crews work on the invert, install rebar and formwork, begin concrete pours for the columns and continue waterproofing walls on the north side of the cavern.

Rideau Station west entrance
Mining of the entrance escalator occurs this week.

Rideau Station east entrance
Crews install falsework and rebar on the ground level slabs, stairs and escalator pits. They will also begin concrete pours by end of the week and install rebar on the south and west walls.

Structural steel installation at uOttawa Station - Installation de la structure en acier à la station uOttawa

East Portal
This week, crews install tiebacks, rock bolts and whaler beams, and continue forming and pouring concrete for the ramp’s east walls.

uOttawa Station
The next section of structural steel installation occurs, along with platform slab construction. Crews also begin roofing work and framing for the concourse panels, and complete duct banks and mechanical work at the station.

Ongoing structural steel installation and concrete work at Lees Station - Installation de la structure en acier et travaux de bétonnage à la station Lees

East Stations

Lees Station
Construction progresses at the station and includes ongoing installation of masonry at the ancillary building. Rough-ins, installation structural steel sections and concrete works for the upper concourse slab also occur.

Hurdman Station
This week, crews finalize work at the south escalator, continue concrete work for the suspended slabs and station signage, and begin the new phase of communications systems work in the secondary building

Tremblay Station
The next phase of station activities progresses with ongoing porcelain and composite panel installation, rough-ins, work on elevators and chipping of the parapet at the west ring road. At the entrance plaza, landscape work progresses.

Initial landscape work continues at the Tremblay Station entrance - Les premiers travaux d'aménagement paysager se poursuivent à l’entrée de la station Tremblay

St-Laurent Station
This week, crews begin the next phase of work on the stairs, including the installation of precast concrete. Work on the head house HVAC shaft and on station signage, wiring for the doors, escalator cladding, painting and final porcelain panel installation are also ongoing.

Cyrville Station
Crews mobilize to begin final finishes for the platform, including installation of precast concrete on the stairs and of the last section of porcelain panels. Glazing and work on the station signage is also ongoing for the next weeks.

Blair Station
Construction advances at the station. This week, crews mobilize to begin final finishes on the platform, continue installing precast concrete stairs, work on the windscreen in the pedestrian bridge area and glazing at the lower concourse area.

Installing dowels and pulling rail in tunnel moving west to Lyon Station cavern - Pose des goujons et des rails dans le tunnel à l’ouest de l'espace souterrain de la station Lyon

Guideway and Trackwork

Construction of plinths and trackwork is ongoing east of Tunney’s Pasture Station to Bayview Station. Trackwork is advancing in the tunnel, including dowel installation, moving west to Lyon Station. From Lees Station to Hurdman Station, crews pull rail, install concrete ties and continue ballast tamping in sections. Overhead Catenary System wires and final work also occur west of St-Laurent Station.

Installing Overhead Catenary System poles on guideway west of Bayview Station - Installation des poteaux du système de suspension caténaire sur la voie de guidage à l’ouest de la station Bayview

Upcoming Construction Activities

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

  • Hoe ramming as part of work on the western section of the guideway.
  • Delivery and installation of the Traction Power Sub Station east of Pimisi Station.
  • Ongoing overnight work at the Rideau Station west and east entrances, and at the East Portal.
  • Next stage of work at uOttawa Station requiring overnight lane restrictions.
  • Final work on the pedestrian tunnel at uOttawa Station.
  • Hydro connection work to Hurdman Station requiring lane restriction on Riverside Drive.
  • Manhole work as part of guideway activities at intersection of Riverside Drive and Tremblay Road, requiring lane restrictions.
  • Fencing installation on guideway just west of Tremblay Station.
  • Glazing at Tremblay Station.
  • Systems installation along the guideway, including Overhead Catenary System poles and wires