Construction Update

The West Portal is in its final stages of backfill and the work for East Portal has progressed to final arch pours. At uOttawa Station, look out for platform toppings to commence in November and a new pedestrian ramp to be completed. At Lees, crews will begin landscaping the main entrance to the station. In the west, at Pimisi Station, crews work on the roof over the east upper concourse and prepare the escalators for service.

Work on completing the roof over the east upper concourse at Pimisi Station

West Stations

Tunney’s Pasture Station  Current activities include masonry work at the platform level as well as mechanical and electrical work. Crews are also busy waterproofing the roof deck and completing installation of windscreen posts. Sections of inter-track barriers and plinths for the track within the station are also being installed. Bayview Station  Porcelain framing is taking place in the auxillary building. The sprinkler lines and water lines are being completed. Crews are also working on the elevator installations. Permanent power is coming in late November. Pimisi Station The framing and brackets for the porcelain panels has been ongoing. Installation of the porcelain panels will proceed starting in the lower concourse. Crews are also working on completing the roof over the east upper concourse. Escalators are fully installed and the station is expected to have permanent power by early November.

Architectural work at Lyon Station cavern

Central Stations

Lyon Station cavern Delivery and installation of escalator divider glazing is expected this week. The floor topping is poured for the HVAC room and west entrance concrete patching continues. Architectural work such as tiling, lighting and glazing post installation progresses as well. Lyon Station west TVS and Queen streetscaping Queen and Bay Street north side civil and road work continues this week. Work continues to complete the tunnel vent shaft (TVS) including stripping forms. Waterproofing will take place at the surface and backfilling is anticipated to occur at the end of the week. Lyon Station east TVS and Queen streetscaping Resources are allocated to complete the TVS. Crews recently completed the rebar for the south and east walls of the shaft. They will now be completing the rebar for the north, centre and west walls before proceeding to final concrete pours. Parliament Station cavern  Construction advances with stair installations and escalator support wall waterproofing. In addition, forms are stripped and removed for the north platform topping slab and shotcrete begins at the west transition. Parliament Station west entrance Concrete works such as rebar, forming and pouring occur for the north and south walls of the west entrance. At the integrated entrance, roofing, intumescent painting and fire proofing occur. Parliament Station east entrance  The first two concrete pours have been stripped for the adit and crews prepare formwork for the third pour, which will occur at the end of the week. Backfilling and remaining adit waterproofing will take place next week.

Progress of construction at Parliament Station cavern

Rideau Station cavern The next phase of formwork, concrete and stripping occurs for the headwall this week. In the running tunnel, arch pours progress and shotcrete continues for the transition. Elsewhere, concrete stripping takes place for the concourse slab and the arch form is disassembled. Rideau Station west entrance Construction is ongoing at the station with shoring being installed for the west TVS. Rideau Station east entrance Plumbing, HVAC and electrical work are all ongoing at the east entrance. Wall insulation in the lower HVAC room continues and the TVS walls progress with waterproofing, forming and rebar. East Portal Inside the tunnel, rebar and concrete pours continue for the arch. The starter walls for the cut and cover tunnel are completed this week with rebar installation and concrete pours for both the north and south walls. uOttawa Station The platform topping is to commence in early November. A new ramp for pedestrians is also expected to open in November. Porcelain panels are being installed in the concourse area. Beginning mid-November, three weeks of overnight bus lane closures along Nicholas are required for wall panel installations.

Ongoing elevator installation at Hurdman Station

East Stations

Lees Station Crews will be forming the precast sets of stairs at the station. Mechanical and electrical work is ongoing, as is intumescent painting. HVAC and plumping work takes place in the ancillary building. Crews will also be at work landscaping the main entrance and over the next few weeks, crews are scheduled to begin work on porcelain panels at the platform level. Hurdman Station Crews are working to install the mullions, or vertical partitions, for glass walls in the station. There is sandblasting taking place on the topping slab. Elevator and escalator installation is ongoing. Tremblay Station The platform topping slabs are tentatively scheduled to be completed shortly. Other current work at Tremblay focuses on installation of windscreen posts, glass hardware, and elevator glazing; and the completion of electrical and communication systems. The placement of interlock pavers and other landscaping in the canopy area is also ongoing.

Installation of interlock pavers for the canopy at Tremblay Station

St-Laurent Station Sandblasting of the topping slab is ongoing and electrical works are in progress. There is also upcoming work at the head house, including duct installation and fire hydrant installation. Installation of the fans for the tunnel ventilation system is scheduled to take place through the month of November. Following that, the work needed to complete the tunnel ventilation system will continue into December. Cyrville Station Final grading is concluding. Other scheduled works includes completion of the topping platform. Outside the station, demobilization and landscaping work will take place soon. Blair Station Landscaping is taking place north of the station. Completion of the bus loop and the bus operator building progresses. Other work focuses on the installation of the wood ceiling panels.

Installation of plinths at Tunney’s Pasture Station

Guideway and Trackwork

Current trackwork focuses on the diamond crossover between Lyon to Parliament Station; the plinths at Tunney’s Pasture; tamping at Pimisi Station; and the track installation tie-in to the West Portal. In the eastern portion of the alignment, testing continues to progress.

Installing track tie-ins at West Portal

Upcoming Construction Activities

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

  • Construction of the Rideau Station west TVS.
  • Installation of lighting inside jersey barrier by uOttawa Station.
  • Sewer repairs along the guideway near uOttawa.
  • Construction to complete the West Portal and East Portal
  • Systems installation along the guideway, including OCS poles and wires.
  • Station elevators and escalators being readied for service at multiple stations.
  • Completion of Lyon Station west and east TVS
  • Rebar installation and forming the stair walls at Parliament Station east entrance
  • Hurdman bus loop night work will resume again soon to allow for completion around the middle of November.
  • Blair bus loop and bus operator building completion.