Current highlights on the Confederation Line include expansion of the train testing zone to encompass the area between Tremblay and the University of Ottawa. In the west, structural steel arrives for installation at Tunney’s Pasture Station to allow construction of the canopy. At the Parliament east adit crews continue to install the rebar for the walls and at Lyon Station, crews are completing the pours needed for the east and west ventilation shafts.
Tunney’s Pasture Station
Structural steel will be installed over approximately four weeks. Stripping of the main concourse progresses and completion of the sprinkler system, waterline, and heat tracing is also ongoing. Current activities also include final topping of the escalator pit.
Escalator installation is in progress and work on the roofing continues. Intumescent paint and regular paint is being applied throughout the station and platform roofing will occur over the next few weeks
Crews are to complete curbs on the concourse in the coming weeks. Parapet installation is ongoing. Other work focuses on the precast concrete on stairways; the lower-concourse porcelain panels; and the intumescent paint for the structural columns.
Lyon Station cavern
Masonry activities start-up again this week. In addition, floor topping pours in certain areas of the concourse and both vent shafts take place, and work on plumbing and installing permanent light fixtures continues.
Lyon Station west entrance
Crews continue streetscaping, paving and landscaping along Lyon Street. In the interior of the station, the installation of elevator rails and mechanical, electrical and plumbing work occurs.
Lyon Station east entrance
Installation of the escalators progresses and waterproofing, formwork and concrete pours take place at the TVS.
Parliament Station cavern
This week at the west entrance of the cavern, the first stage of rough-ins begins, and crews are setting up the formwork deck for the mezzanine concrete slab. At the platform level, the infill of the base slab is complete.
Parliament Station west entrance
Construction activities this week include work on the north wall, which entails extending waterproofing, rebar and concrete pours, along with rebar installation and forming the stair slabs. Crews are also waterproofing and beginning installation of rebar for the station’s south wall.
Parliament Station east entrance
Forming and pouring has finished for the suspended slabs. The adit continues to take shape with the first set of wall rebar installation, forming and pouring, the next set begins next week.
Rideau Station cavern
Formwork installation and stripping continues for the concourse slabs along with ongoing arch rebar and concrete pours. In the running tunnel, rebar installation continues in preparation for the invert slab and shotcrete activities take place.
Rideau Station west entrance
Crews continue to assemble the tunnel arch formwork and work over the course of the week to finish installing it. Rebar installation for the headwall occurs and arch pours take place at the end of the week.
Rideau Station east entrance
At the head house, installation of structural steel progresses alongside rebar installation and concrete pours for the head house slab. Waterproofing continues for the adit arch and TVS, and crews are working on the curbs, ducts and wall insulation in the HVAC room.
Concrete works ramp up at the east portal with the completion of the fan niche pours and continued work on the starter walls with waterproofing and upcoming rebar installation. Progress on the tunnel arch with rebar and concrete pours occurs as well.
Permanent power has been established for the uninterruptible power supply (UPS) system. Installation of the panels along the Nicholas Street wall has begun. Pouring of the concrete for the pedestrian plaza is ongoing. At the concourse level, work is proceeding on the duct, plumbing, and fire protection systems. Handover of this station to the Testing & Commissioning team is expected to take place soon.
Current activities include the installation of porcelain panels and completion of electrical, HVAC, and plumbing work in the ancillary building. On the concourse and platform, steel and concrete crews will be finalizing the retaining wall. Final grading of the multi-use pathways is also taking place.
Intumescent painting and regular painting continues to progress. Preparation for the roof framing is ongoing. A mockup of the entrance lantern is also coming together. Elevator and escalator installation will begin in the coming weeks.
Skylight framing and installation is in progress, glazing has started as well. Pulling wires, equipment installs and lighting are continuing through September. Elevators will also be readied for service, as early as October.
Platform pours are ongoing and crews are powering up the connection to TPSS 7 as well. Other scheduled work includes the mechanical and electrical work in the plenum area of the station.
Final grading begins this week and is expect to take place through September. Other scheduled works includes completion of the topping platform. Outside the station, landscaping work will take place soon.
Landscaping will take place soon in the area just north of the station. Completion of the bus loop progresses with the work transitioning to the north-side shortly. The work inside the station includes sandblasting and glazing activities.
Guideway and Trackwork
The track slab at Parliament Station is in progress as is the diamond crossover from Lyon to Parliament. In the Western segment, plinths will be installed at Tunney’s Pasture soon. The Confederation Line’s Testing and Commissioning zone is expanding to include the area between uOttawa Station and Tremblay Station. A test train was driven to uOttawa Station for the first time, on September 18.
Upcoming Construction Activities
In the coming weeks, the following construction activities are scheduled to occur:
- Cranes, concrete trucks, and steel erection along western section of the guideway.
- Systems installation along the guideway, including OCS poles and wires.
- Station elevators and escalators being readied for service.