Construction Update

Guideway work begins to ramp up between the Rideau River Transitway Bridge and Tremblay Station with crews mobilizing to begin welding and pulling rail in sections, part of trackwork activities in the area. At Tremblay Station, construction advances as crews pour the concourse level.

West Stations

Tunney’s Pasture Station: Station demolition is ongoing and crews remove existing structures.

Bayview Station: Ground improvement activities, foundation work and duct bank installations are ongoing. Work begins on the ancillary building.

Pimisi Station: Crews install rebar , formwork and pour concrete for station footings.

Central Stations

West Portal: Excavation of the West Portal ramp continues and crews install reinforcements.

Lyon Station cavern: Crews continue work on the station concourse; activities include rebar installation and concrete pours for pillars. Shotcrete final lining is installed at the west transition.

Lyon Station west entrance: Crews backfill, waterproof, install rebar and pour the concrete raft slab. Mechanical and electrical installations also occur.

Lyon Station east entrance: Work on the walls continues and includes rebar installation and concrete pours. At the east vent shaft, crews begin rock removals.

Parliament Station cavern: Crews continue working on the station L-walls and slab; activities include waterproofing, rebar, mechanical and electrical installations, as well as concrete pours.
Parliament Station west entrance: Crews install rebar and pour concrete on the parking level and begin work on masonry walls. Removal of the foundation wall is ongoing. At the station entrance, crews excavate and install reinforcements. At the east vent shaft, rock removals occur.

Parliament Station east entrance: The station continues to take shape with structural steel installation. At the station entrance, crews continue reinforcements and removals.

Rideau Station cavern: Crews continue work on the station invert and walls; activities include waterproofing, rebar installation and concrete pours.

Rideau Station west entrance: Crews waterproof, install rebar and pour concrete for the station walls and raft slab. Jet grouting activities are ongoing. [post link to notice]

Rideau Station east entrance: Work continues on the station walls; crews complete waterproofing and install rebar and formwork.

Traffic restrictions on Rideau Street remain in effect.

East Portal: Piling is ongoing in preparation for future guideway construction.

uOttawa Station: Crews install rebar for the station walls and suspended slab in preparation for concrete pours. Crews work on the columns and raft slab, and install mechanical and electrical works.

East Stations

Lees Station: Utility installations and excavation is ongoing. Crews pour concrete duct banks.

Hurdman Station: At the station, crews construct the approach slab and install formwork in preparation for pouring of the concourse floor slab. Crews mobilize to begin installing steel for the slab. At the bus operators’ building, crews continue electrical installations and begin work on the roof. At the bus loop, crews begin pouring the platform.

Tremblay Station: Station construction continues to advance with structural steel and metal roof deck installations. Crews pour the concourse and work on the parapets and canopy footings. Elevator work is ongoing.

Formwork and rebar installation at Hurdman Station

St-Laurent Station: Crews install rebar and pour concrete for the station elevator. Masonry installation continues in the station and electrical room. Work on the hydro room begins. Crews begin coring in preparation for OCS installation.

Cyrville Station: Construction of the station platform level continues; crews install formwork in preparation for concrete pours. Work occurs on the station roof, parapets, and auxiliary building.

Blair Station: The station continues taking shape as crews work on the roof and install exterior wall panels. Crews mobilize to begin hardscaping work including utility, parking, curb and sidewalk construction.

Excavation of the running tunnel west of Rideau Station - 2016-08-17

Tunnel Excavation and Support

Excavation and installation of reinforcements are ongoing in the running tunnel west of Rideau Station.

Guideway

Tunney’s Pasture Station to West Portal: On the guideway near Tunney’s Pasture Station, crews excavate and install formwork in preparation for traction power sub station installation in the fall. Grading, removals and granular installation are ongoing in preparation for future trackwork. Crews install OCS foundations and electrical work along this section of the guideway.

Mann Avenue Bridge to west of Lees Station: Crews continue welding as part of preliminary trackwork. Sewer work is ongoing on this section of the guideway.

Rideau River Transitway Bridge to Blair Station: Between the Rideau River Transitway Bridge and Tremblay Station, crews mobilize to begin trackwork activities including ballast installation, pulling rail and welding. Final trackwork activities occur from just east of Tremblay Station to Blair Station, including distressing rail. Systems and cabling installations continue in anticipation of vehicle testing as early as September.

Other Activities

CPR Bridge near Bayview Station: Crews work on the pier caps, abutments and continue ground improvement activities.

Booth Street: Final works, including paving and line painting, are completed in anticipation of reopening Booth Street as early as September 4.

Mann Avenue Bridge: Reconstruction of the Mann Avenue Bridge begins with caisson installations.

Upcoming Construction Activities

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

  • Blasting at Parliament Station east entrance.
  • Demolition of the Mann Avenue Bridge.
  • Structural steel installation at Hurdman Station.
  • Watermain work near St-Laurent Station, along the guideway.
  • Vehicle testing along the guideway between Belfast Yard and Tremblay Station.
  • Traction power sub station installations along the alignment.