Construction Update

Occurring as part of construction on the Confederation Line this week is the continued installation of the ancillary building roof at Bayview Station and excavation for the adit at the Rideau Station east entrance. In the east, concrete pours are complete for the upper concourse at Lees Station and crews begin landscaping at Tremblay Station and pouring the platform topping at Blair Station.

Structural steel installation at Tunney's Pasture Station

West Stations

Tunney’s Pasture Station 
Concourse slab shoring and excavation along the south side of the station begin as part of concourse work. Shoring also takes place for the Holland Bridge extension, in addition to ongoing foundation and structural steel installation.

Bayview Station 
The station continues to take shape with progress on the west side, with platform slabs, concrete works including rebar and formwork, and structural steel installation continuing. Crews also continue to install the ancillary building roof and work on mechanical and electrical installations.

Pimisi Station 
Construction advances with ongoing structural steel installation, mechanical and electrical rough-ins and finishes at the lower concourse. The west concourse suspended slab has been poured and work on the east concourse suspended slab begins. Fabrication of the west porcelain panels have started for the lower concourse as well.

Architectural work at Lyon Station cavern

Central Stations

Lyon Station cavern
Architectural work continues this week and includes wall and floor tiling installation, in addition to the ongoing work of escalator and elevator installation. Mechanical and electrical rough-ins for the HVAC room will be installed at the end of the week.

Lyon Station west entrance
Progressing at the west entrance is the finishing, patching and formwork removal as part of concrete works and ongoing excavation and rock removal for the west TVS shaft. Roofing occurs as part of architectural work and the station’s elevator shafts are installed

Lyon Station east entrance 
At the mezzanine level, crews form and pour mechanical walls and the delivery of escalators is ongoing. The installation of the escalators and elevators takes place as well. Floor and wall tiling continues to progress and the installation of curbs and cast-in plates at the elevator openings are complete.

Concrete and rebar work at Rideau Station cavern

Parliament Station cavern 
In the cavern, formwork removal at the concourse level occurs along with concrete works and shotcrete.

Parliament Station west entrance
This week’s construction entails the continuation of waterproofing the HVAC trench and rebar installation for the HVAC walls to prepare for the upcoming forming and pouring of concrete. Excavation continues to take place at the integrated entrance.

Parliament Station east entrance 
Advancements can be seen with the chipping and waterproofing of the stair walls and the beginning works of escalator wall installation. Occurring as well this week is the forming and pouring of the station’s east and west walls.

Rideau Station cavern
Platform slab work begins this week on the north side of the cavern. Concrete pours continue and rebar installation and arch waterproofing are all ongoing.

Rideau Station west entrance
Work on the invert advances with continued waterproofing and rebar installation. Crews begin preparatory work in the tunnel for upcoming waterproofing as well.

Rideau Station east entrance
Progress is visible at the east entrance with the forming and pouring of the east and west walls, stairs and escalator pit on the west side of the station. Roof falsework, adit excavation and escalator installation also take place this week.

Concrete and rebar work at Rideau Station cavern

East Portal
Crews mobilize to construct a ramp for trackwork, in addition to the ongoing work of rebar installation and concrete pours on the west and east walls of the ramp.

uOttawa Station
The next phase of structural steel installation continues along with roofing, framing for upcoming porcelain panel installations at the concourse level and service trench work. Work on the approach slab will follow.

Structural steel installation at Hurdman Station

East Stations

Lees Station
Concrete pours for the upper concourse area are finished this week. Mechanical and electrical rough-ins at the concourse level are still ongoing, along with shoring removal. The next phase of structural steel work has commenced.

Hurdman Station
Progress continues to be visible at the station with ongoing framing, structural steel installation and escalator electrical work. In addition, concrete pours for the suspended slabs on the north side of the station are upcoming and the bus operator building is nearing completion for turnover to OC Transpo.

Tremblay Station
This week, landscaping has commenced and crews continue installing composite panel framing, porcelain panels and elevators. Signband conduit installation is progressing at the station, along with cast-in-place concrete including curbs.

Progress of construction at Lees Station

St-Laurent Station
Precast concrete work for stair installation takes place this week, along with ongoing electrical and sprinkler installation at the concourse.

Cyrville Station
Construction at the station includes installing the platform topping, porcelain panels and signband conduit in addition to precast concrete work.

Blair Station
Progressing this week is the installation of light fixtures, glazing and final platform finishes. While painting, doors and hardware installation are all ongoing, electrical conduit for the signband is completely installed and platform topping concrete pours begins.

Progress of trackwork east of Tremblay Station

Guideway and Trackwork

The guideway continues to take shape along the alignment: Overhead Catenary System poles are being installed just west of Bayview station moving east to Pimisi Station, rails are being pulled and dowels installed in the tunnel moving east. In addition, trackwork activities occur just east of uOttawa Station to Hurdman Station, including pulling rail and ballast tamping. The energization of the OCS and train testing has advanced west from Cyrville to St. Laurent Station.

Guideway work advances in the tunnel near Lyon Station cavern

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.
  • 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.
  • Systems installation along the guideway, including Overhead Catenary System poles and wires.
  • Electrical and communications room installations at Lees Station.
  • Next stage of work at Tunney’s Pasture Station requiring right hand turn lane restrictions.
  • Switch over of Hurdman bus loop to permanent bus loop
  • Watermain work on guideway at St. Laurent requiring overnight short-term closure of on-ramp.
  • Porcelain panel installation at the south side of St. Laurent Station.
  • Skylight framing and glazing at Tremblay Station.