Construction Update

Scott Street widening past Holland Ave

Scott Street Widening

Road widening is almost complete. Installation of overhead wires, traffic poles, signalization and curb works will be ongoing for the next weeks. Watermain relocation and the connection of a section of the multi-use pathway at Bayview Road is being finalized. O-Train platform relocation work continues.

Lyon Station mining

Lyon Station

Jawbreaker continues mining the central pillar and installation of the final section of umbrella occurs in the station cavern. Crews complete the dismantling of the arch formwork that was used for the west running tunnel lining.

Slab removals at Lyon Station east entrance

Lyon Station East and West Entrance

East Entrance: crews install cabling and continue cutting slabs at the lower level parking elevators.

West Entrance: line drilling is completed in preparation for future blasting operations. Steel reinforcements occur for station entrance construction and crews drill piles in the parking area.

Parliament Station mining and reinforcements

Parliament Station Cavern

Chewrocka excavates another section of the central pillar and crews reinforce the station cavern. Crews prepare to install rebar in the tunnel transition moving west toward Lyon Station.

East running tunnel arch waterproofing

Rideau Station

Crocodile Rouge mines the bench and mining of the cavern occurs in drifts. Cavern reinforcements are ongoing and include shotcrete installation. Crews waterproof the arch in the running tunnel. Construction of the starter walls is ongoing.

Installation of piles-Rideau Station west entrance

Rideau Station East and West Entrance

East Entrance: Line drilling occurs for rock excavation. Blasting operations begin this week and will be ongoing through winter.

West Entrance: crews continue working on the watermain and installing piles at the future station entrance.

Traffic restrictions on Rideau Street remain in effect.

Removal of staircase at uOttawa building

uOttawa Station

The installation of the utility corridor is ongoing in sections, moving south to north in front of the University of Ottawa buildings along Nicholas Street.

Blair Station excavation begins

Tremblay, St-Laurent, Cyrville and Blair Stations

Crews continue demolition of the existing Transitway station and mobilize for shoring at Tremblay Station. At St-Laurent Station, final demolition occurs and work begins to excavate the foundation. Preparatory concrete work begins at Cyrville Station. Crews excavate foundation walls and begin preparatory works to construct concrete walls at Blair Station.

Booth Street Bridge south abutment construction

Guideway – Booth Street Bridge

Crews complete installing rebar this week and prepare to pour the north abutment.

Formwork-Hurdman Station elevated guideway

Guideway – Hurdman Station

Crews continue pouring pier caps and complete formwork on the deck this week. Installation of girders is complete on the structure east of the station and works begin to form the deck.

Tremblay Station Ring Road footings

Guideway – Tremblay Station

Crews complete the installation of rebar and begin pouring the footings

Ongoing fencing on guideway east of Cyrville Station

Guideway St-Laurent, Cyrville and Blair Stations

Trackwork is ongoing with welding operations and crews are pulling strings from Blair Station to just east of Cyrville Station. Work continues on the TPSS just west of Cyrville Station. Construction of barrier wall occurs at Cyrville Bridge. Overhead catenary pole foundations and ductbank installations are ongoing from Cyrville to St-Laurent stations.

Belfast Yard-backfilling retaining pond

Belfast Yard Administration and Maintenance Building and Yard

Exterior metal panel installations are ongoing for the next weeks. Crews continue final electrical work and construction of the work stations inside the building. Yard works are ongoing, including backfilling at the retaining pond, curb, sidewalks, light bases and overhead catenary foundations. Tracks installation occurs in the yard.

Formwork-Belfast Yard connector

Belfast Yard Vehicle Storage Shed and Connector Works

Work continues at the connector and on Tremblay Road; crews install the roof, complete preparatory drilling for track work, construct vents and retaining walls, backfill and relocate the watermain. Final ballast installation takes place in the shed.

Upcoming Construction Activities

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

  • Parliament Station entrance utilities relocations.
  • Demolition of the former Hurdman Station bus structure.
  • Installation of the overhead catenary poles from Blair Station to just east of St-Laurent Station
  • Assembly of Alstom Citadis light rail vehicles.

In the coming months:

  • Lyon Station west entrance blasting operations.
  • Lyon Station east entrance and west shaft construction.