Construction Update

This week, crews mobilize to begin concrete final lining pours in Parliament Station cavern, drill micro-piles at Lees Station, and begin installing the composite panels at Cyrville Station. The Overhead Catenary System continues to be energized in phases for ongoing vehicle testing along the guideway between Belfast Yard and Blair Station.

Drilling caissons at Tunney's Pasture Station-2016-11-30

West Stations

Tunney’s Pasture Station: Crews continue drilling caissons in preparation for the next phase of station construction.

Bayview Station: Station foundation construction activities are progressing with crews forming columns, continuing underground mechanical and electrical work, and building the retaining wall.

Pimisi Station: Crews continue forming and pouring the lower concourse slab, installing grade beams, backfilling and constructing footings.

Forming walls at Lyon Station west entrance-2016-11-30

Lyon Station cavern: The station continues to take shape with crews forming outside walls, installing steel posts and beginning to layout the masonry block walls in the mechanical room, part of architectural work. In the transition, rebar is installed for the concourse wall.

Lyon Station west entrance: Crews continue constructing station and elevator walls by installing formwork and rebar, followed by concrete pours. Work at the east vent shaft is ongoing and includes rock removals, rock bolt installation and concrete work.

Lyon Station east entrance: Construction of the station entrance progresses with concrete work for the ground floor slab and beams for the escalators. Work at the HVAC shaft includes insulation and installation of the winter protection.

Parliament Station cavern: Work includes installing rebar for footing and walls, and ongoing formwork on the columns, which are followed by concrete pours this week. Concrete final lining mobilization also occurs. In the running tunnel, crews continue final work on the invert and construction of the starter wall.

Parliament Station west entrance: Crews continue to mobilize for future masonry and glazing for the station’s head house. Rock support and installation of rock bolts occur at the east vent shaft.

Installing rebar+formwork-station walls+slabs at uOttawa Station

Rideau Station cavern: Station construction progresses and includes rebar installation and concrete work for station walls in addition to waterproofing activities. Clean-ups also take place to begin the next phase of concrete work in the station.

Rideau Station west entrance: Crews build insulated walls inside the Rideau Centre, part of integrated entrance construction and begin shoring. Excavation and installation of reinforcements occur outside at the HVAC shaft. Shoring also begins for the west vent shaft.

Rideau Station east entrance: Concrete pours are ongoing at the entrance, including for station and elevators walls, as well as slabs and stairs.

Rideau Street, currently closed 24/7 to vehicular traffic to permit works to advance, including jet grouting activities, is anticipated to reopen as early as December 16.

uOttawa Station: Foundation work, electrical rough-ins, and construction of station walls and slabs are ongoing, in anticipation of structural steel installation in the new year.

East Portal: Crews mine the ramp and begin installing rebar and formwork the next section of mud slab.

Micro-piling and foundation work-Lees Station

East Stations

Lees Station: Station construction advances with crews micro-piling, installing rebar and pouring concrete for foundation walls.

Hurdman Station: This week, crews mobilize to begin installing structural steel for the station, and continue welding and installing steel on stairs. Other station activities include electrical and mechanical work, as well as work on the roof. The bus operators’ building continues to take shape with ceiling framing and panel installations.

Work on roof at Tremblay Station

Tremblay Station: Crews begin working on the station roof, in addition to painting the basement rooms and ongoing mechanical rough-ins.

St-Laurent Station: The station continues to take shape with ongoing steel installation for the plenum, work on the elevators and final work on the hydro room.

Cyrville Station: Station construction progresses with crews installing metal composite panels this week, working on the station elevators, continuing glazing and installing porcelain panels on the auxiliary building.

Blair Station: Crews waterproof the stairs and install porcelain tiles in sections as well as continue framing and installing composite panels. Other station activities include electrical work on the elevators and escalator and conduit installation at the platform level. Roofing begins at the bus operators’ building.

Mining in running tunnel west of Rideau Station

Tunnel Excavation and Support

Reinforcements and mining of the last section of running tunnel west of Rideau Station is ongoing.

LRV being tested on tracks-St-Laurent Station-2016-11-28

Guideway

Tunney’s Pasture Station to West Portal: Guideway construction advances and includes the installation of Overhead Catenary System foundations, electrical work for the traction power sub stations, and ongoing removal of parapet walls just west and east of Bayview Bridge.

Mann Avenue Bridge: Bridge construction is ongoing and includes work on parapet and wing walls

Mann Avenue Bridge to west of Tremblay Station: Crews complete the Overhead Catenary System foundations west of Lees Station, install concrete ties, pull rail and continue tamping in sections along the guideway.

The Overhead Catenary System continues to be energized in phases for ongoing vehicle testing along the guideway between Belfast Yard and Blair Station.

Upcoming Construction Activities

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

  • Lyon Station west vent shaft work resumes.
  • Rideau Street reopens to bus traffic
  • Structural steel installation at uOttawa Station.
  • Installation of the traction power sub station on the guideway west of Lees Station and east of Hurdman Station.
  • Fencing installation on guideway just west of Tremblay Station.