Construction Update

Formwork in Lyon Station cavern - Travaux de coffrage dans l’espace souterrain de la station Lyon

Lyon Station

Crews complete concrete pours on southern L-walls, to be followed by formwork and concrete pouring for northern L-walls.

Excavation continues in the running tunnel between Parliament and Rideau stations - On continue l’excavation de la banquette du tunnel entre les stations Parlement et Rideau

Parliament Station

In the Parliament Station cavern, Jawbreaker mines the north bench, followed by initial support. Excavation of the south bench will also begin.

Excavation continues in the running tunnel between Parliament and Rideau stations, in proximity to Metcalfe Street. Support activities such as rockbolt installation and shotcrete are ongoing.

Tunnel support activities in Rideau Station - Renforcement du tunnel de la station Rideau

Rideau Station

Crocodile Rouge continues mining the south bench and support activities such as grouting are ongoing.

In the East running tunnel, crews complete waterproofing and continue pouring the final tunnel concrete lining.

Electrical work at Lyon Station east entrance - Travaux d’électricité à l’entrée est de la station Lyon

Downtown Integrated Stations – East and West Entrances – Lyon, Parliament and Rideau Stations

Lyon Station west entrance: line drilling continues in preparation for blasting in the coming weeks. HVAC shaft work occurs including watermain relocation and piling.

Lyon Station east entrance: mechanical and electrical relocations are ongoing and crews continue concrete pours for the elevator shaft.

Parliament Station west entrance: crews pour columns at the parking levels. Structural steel work and electrical and mechanical relocations are ongoing.

Parliament Station east entrance: concrete work is ongoing at the parking levels, and crews mobilize to install interior hoarding. Telecommunication relocations are ongoing.

Traffic restrictions on Queen and O’Connor streets are in effect.

Rideau Station east entrance: line drilling and excavation take place this week.

Rideau Station west entrance: excavation and micropiling operations are ongoing followed by support activities including shotcrete.

Traffic restrictions on Rideau Street remain in effect.

Concrete wall pours at Tremblay Station - Coulage des murs de la station Tremblay

Hurdman, Tremblay, St-Laurent, Cyrville and Blair Stations

At Hurdman Station, underground plumbing work continues and crews finalize duct bank installations. Preliminary construction work begins for the Hurdman Station permanent bus loop.

At Tremblay Station, crews continue concrete pours for footings and walls and work on underground plumbing. Rough-in installations take place.

At St-Laurent Station, demolition of the south platform is ongoing along with pouring of concrete walls and backfilling at the north side.

At Cyrville Station, crews form the stairwell and the roof of the operator’s building. Underground plumbing work also occurs.

At Blair Station, crews complete concrete wall pours. Backfilling and waterproofing occur, along with concrete ceiling wall pours.

Preliminary work to form the deck at the Booth Street Bridge - Travaux préliminaires à la construction du tablier du pont de la rue Booth

Guideway– CPR Overpass, Booth Street Bridge and Rideau River Transitway Bridge

Crews mobilize to begin demolition of the CPR overpass as part of guideway work.

At the Booth Street Bridge, preliminary work to form the deck is ongoing.

Excavation continues at the south abutment as part of the Rideau River Transitway Bridge rehabilitation work.

Upcoming Construction Activities

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

  • Pimisi Station caisson installation.
  • Lyon Station west entrance excavation including blasting.
  • Deck work at the Hurdman Station elevated guideway.
  • Deck work at the Tremblay Station guideway.
  • Assembly of Alstom Citadis light rail vehicles.
  • Watermain work near St-Laurent Station.
  • Structural steel erection at Cyrville Station.

In the coming months:

  • Tunney’s Pasture Station preliminary works.
  • Transitway service adjustment from Lees to Laurier stations.
  • uOttawa Station construction.
  • Lees Station construction.
  • Guideway and trackwork along the alignment.