Construction Update

Rideau Street has been repaved - L'asphalte est refait sur la rue Rideau

Central Stations


Update on Rideau Street infrastructure failure:

Repair works are proceeding well on Rideau Street.   A majority of sidewalks have re-opened, Rideau Street has been repaved, utility repair works are nearly complete, watermain replacements have been completed and the reinstatement of permanent watermain connections is well underway.

City engineers have confirmed that the intersection of Rideau Street and Sussex Drive is safe to re-open. Partial re-opening of the intersection has taken place, as some additional work is required near the roadway that will cause some traffic impacts.

Rideau Station west entrance: crews continue station excavation, material removals and install reinforcements.

Rideau Station cavern: station work continues and includes waterproofing, installing rebar and concrete pours. At the East Portal ramp, sheet piling is ongoing overnight for the next several weeks in preparation for future guideway work.

Rideau Station east entrance: the station entrance progresses as waterproofing and rebar installation continue, part of foundation work.

Traffic restrictions on Rideau Street remain in effect.

West Portal ramp excavation- Excavation de la rampe du portail ouest

Lyon Station cavern: work on the station concourse level is ongoing as crews pour concrete and continue work on the arch final lining.

Here you see the West Portal ramp, where excavation and reinforcements occur in preparation for future guideway work.

Lyon Station west entrance: crews complete final stages of excavation; activities include hoe ramming and material removals. Work begins on the mud slabs.

Lyon Station east entrance: work on the station concourse level continues as crews install formwork and rebar in preparation for concrete pours. Crews also install formwork for the elevator walls and begin preparations for structural steel and concourse slab work.

Removals at the uOttawa Station pedestrian tunnel - Enlèvement des matériaux du passage souterrain pour piétons à la station uOttawa.

Parliament Station cavern: station construction is ongoing as crews install rebar and pour concrete at the future site of the station elevators.

Parliament Station west entrance: crews install falsework, rebar and pour the concrete slab as work on the stairs and foundation is ongoing. At street level, crews excavate and install reinforcements. Work on the vents shafts continues across the downtown integrated stations.

Parliament Station east entrance: crews continue rebar installation, concrete pours and structural steel installation as part of work on the station concourse level and stairs.

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

uOttawa Station: crews continue excavating and pouring the mud slab, part of preliminary station construction. Utility work begins and includes plumbing and duct bank installation.

Tunnel Excavation

Mining of the running tunnel bench continues east of Parliament.

Excavation at Pimisi Station - Excavation à la station Pimisi

West Stations

Tunney’s Pasture Station: crews continue work at the Tunney’s Pasture temporary bus loop as the final portion of the guideway between Merton Street and Tunney’s Pasture is now closed; activities include light installations.

Bayview Station: crews drill and pour caissons as part of station foundation work. During lifting operations currently underway as part of Bayview Station work and for the safety of all Bayview pathway users, short-term closures will be required. Flaggers are onsite to assist.

Here you see Pimisi Station, where initial station foundation work continues as crews excavate the station footings.

Excavation at Pimisi Station - Installation des poutres sous mur porteur et des barres d'armature de la station Hurdman

East Stations

Lees Station: crews begin drilling caissons, part of initial station foundation work.

Closure of Transitway pedestrian access from Lees to uOttawa stations.

Here you see Hurdman Station, where station foundation work is ongoing; activities include installing grade beams and rebar, and pouring concrete.

Crews install duct banks and prepare to pour concrete platforms, part of permanent bus loop construction. At the bus operators’ building, backfilling and electrical installations are ongoing.

Tremblay Station: the station continues to take shape as crews install structural steel and begin formwork for the concourse. Crews also continue electrical installations and prepare to begin masonry work for the station.

Crews install structural steel and falsework at Cyrville Station - Installation des structures d'acier et des ouvrages provisoires à la station Cyrville.

St-Laurent Station: crews finalize station utilities including duct bank installation and plumbing. Crews backfill, pour concrete and begin masonry work.

Here you see Cyrville Station, where the station continues to progress as crews install station concourse falsework and rebar for the concrete slab. Electrical work for the TPSS and structural steel installations continue.

Blair Station: the station continues to take shape as crews pour concrete for the station walls and footings, install structural steel and work on the station’s elevators. Station utility work is ongoing including plumbing and pouring concrete for duct banks.

Guideway west of Tremblay Station ready for trackwork - La voie de guidage à l'ouest de la station Tremblay est prête pour l'installation des voies ferrées.

Guideway – Bayview CPR Bridge to Preston Street, Mann Avenue Bridge to west of Lees Station, Rideau River Transitway Bridge to east of Hurdman Station and west of Tremblay Station to Blair Station

Bayview CPR Bridge to Preston Street: excavation, asphalt removals and grading are ongoing as part of initial guideway work.

Mann Avenue Bridge to west of Lees Station: crews begin installing OCS pole foundations and continue sewer work.

Rideau River Transitway Bridge to east of Hurdman Station: backfilling and asphalt removals continue as part of initial guideway work. At the structure east of the Hurdman Station bus loop, crews backfill the approach slab and construct the embankment.

Hurdman Station Elevated Guideway: the elevated guideway continues to take shape as crews pour the deck.

Belfast Yard to west of Tremblay Station: grading is completed west of
Tremblay Station. Trackwork continues in preparation for vehicle testing as early as the fall; activities include ballast installation and pulling rail.

St-Laurent Station to Blair Station: final trackwork occurs in preparation for vehicle testing as early as the fall; activities include welding and final tamping.

Demolition and caisson installation at the CPR Bridge near Bayview Station - Démolition et installation de caissons au pont du CPR près de la station Bayview.

Other Activities

Here you see CPR Bridge near Bayview Station, where crews continue drilling caissons and begin mobilization for column work as part of bridge renewal. During lifting operations currently underway as part of Bayview Station work and for the safety of all Bayview pathway users, short-term closures will be required. Flaggers are onsite to assist.

Booth Street Bridge: the bridge continues to progress as crews finalize work on the approach slabs.

Upcoming Construction Activities

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

  • Tunney’s Pasture Station construction.
  • Bayview Station construction.
  • Blasting at Parliament Station east entrance.
  • Final concrete work in Parliament Station cavern.
  • Mann Avenue Bridge rehabilitation.
  • Watermain work near St-Laurent Station, along the guideway.
  • TPSS deliveries along the alignment.
  • Bus operators’ building construction and catch basin/landscaping work at Blair Station.