Week of April 17
Progress continues at the Lyon Station east entrance as crews begin installing masonry at the integrated entrance. Crews mobilize to begin architectural works in Parliament Station cavern. At Tremblay Station, landscaping activities begin with the initial removal of the existing guard rail on the west ring road, and chipping of the parapet.
Progress of the Tunney's Pasture Station footings and formwork
Tunney’s Pasture Station
Crews begin working on footings for the platform area this week, and continue forming the elevator pits and pouring slabs.
Work progresses at the station and includes structural steel and parapet installation on the ancillary building, installing grade beams, pouring architectural columns and backfilling.
Progress of slab work and structural steel installation - Pimisi Station
Station construction is ongoing with slab on grade pours, structural steel installation, slab rough-ins, pulling wires in the communications rooms and formwork for the staircase.
Crews pour the track slab in Lyon Station cavern
Lyon Station cavern
Architectural work is ongoing in the cavern. Work includes installing blocks, conduits, laying out and installing tiles, and work on door frames. In addition, escalators, guard rails and panels on the platform walls are installed on the north side, and crews pour the track slab.
Lyon Station west entrance
Integrated entrance construction advances visibly. This week, grade level walls are cured and stripped, structural steel is installed on the roof, falsework occurs and backfilling takes place at the south walls. Crews drill anchors at the east vent shaft.
Lyon Station east entrance
This week, curbs and the accessibility ramp is poured and cured. Crews begin installing masonry at the retail concourse level and install elevators and escalators. At the HVAC shaft, crews cure, form and pour walls in sequence.
Progress of arch and wall concrete final lining work - Rideau Station cavern
Parliament Station cavern
Crews mobilize to begin architectural work in the cavern this week. Ongoing work includes arch and deck concrete final lining and conduit installation.
Parliament Station west entrance
Integrated entrance construction progresses with rock removals, hoe-ramming for the HVAC shaft and rock supports.
Parliament Station east entrance
This week, work advances on the upper pit walls and concourse slab with the installation of rebar, formwork and pours in sequence. Crews also waterproof and install rebar on the escalator slab.
Rideau Station cavern
Construction of the station cavern is ongoing with arch and wall final concrete pours, as well as work on the invert.
Rideau Station west entrance
Integrated entrance excavation is ongoing for the next weeks.
Rideau Station east entrance
Crews are working on the mud slab, waterproofing, forming the elevator shaft walls on the north side, in addition to the inside walls on the south side.
Progress of concrete work at uOttawa Station
Crews continue constructing the ramp with work on whaler beams, drilling tiebacks, excavation on the north side, and forming and pouring walls and slabs.
Crews continue installing rebar and concrete work on the stairs, pouring platform trenches, concourse rough-ins, steel installation and electrical work.
Progress of construction at Hurdman Station
Station progress is visible: crews continue shoring for the concourse slab and begin installing masonry on the ancillary building
Crews strip the station suspended slabs, and continue heat tracing on stairs and electrical work for the secondary buildings.
This week, framing of walls and landscaping work continues, which includes the removal of the existing guard rail and chipping of the parapet. Taxi and pedestrian realignments will occur during this work. Framing of the soffit, wiring and rough-ins are ongoing.
Progress of glazing at Cyrville Station
Construction continues with roofing on the plenum, masonry block and conduit installation, heat tracing and pulling wires. Crews also work on the HVAC shaft at the head house.
Glazing in the platform area and for the elevators is ongoing at the station. Crews work on the storm sewer, inspect electrical systems and mobilize to install precast concrete stairs.
Activities are ongoing at the station, including final electrical finishes, tiles and porcelain panel installation, glazing and work on the escalator cladding.
Ongoing train testing on eastbound track at Cyrville Station
Guideway and Trackwork
Guideway construction continues this week with concrete pours at the crossover tracks east of Tunney’s Pasture Station. Track teams install concrete ties and mobilize to begin pulling rail west of Pimisi Station to Bayview Station. In the tunnel, concrete slab work, pulling rails and installation of dowels advance west of Lyon Station. East of Parliament Station, work on starter walls is ongoing. Ballast installation takes place at Lees Station, crews pull rails on the Rideau River bridge and tamping occurs at Hurdman Station.
Train testing continues on eastbound track from Belfast Yard to Blair Station.
Tamping is ongoing on the elevated guideway at Hurdman Station
Upcoming Construction Activities
In the coming weeks, the following construction activities are scheduled to occur:
- Hoe ramming as part of work on the western section of the guideway.
- Blasting begins at the Lyon west vent shaft.
- Ongoing overnight work at the Rideau Station west and east entrances, and at the East Portal.
- Ongoing structural steel installation at uOttawa Station requiring overnight lane restrictions.
- Manhole work on guideway west of Lees Station requiring lane restrictions.
- Final work on the pedestrian tunnel at uOttawa Station.
- Fencing installation on guideway just west of Tremblay Station.
- Hydro connection work to Hurdman Station requiring lane restriction on Riverside Drive.
- Manhole work as part of guideway activities at intersection of Riverside Drive and Tremblay Road, requiring lane restrictions.
- Systems installation along the guideway, including Overhead Catenary System poles and wires.