Construction on the Confederation Line continues this week with architectural work in Lyon Station cavern, including escalators and ramping up of construction at the Parliament Station integrated entrances. At Blair Station, in the easternmost section of the alignment, glazing is installed on the windscreen posts.
Tunney’s Pasture Station
Construction progresses at the station and includes the installation of grade beams on the south side, formwork for the stairs, concrete wall and stair pours, final drilling and preparations to begin excavating.
Crews continue installing grade beams and working on slabs in the ancillary building. Waterproofing is completed in the elevator pits and formwork begins.
Station foundation construction is completed this week, and masonry bloc and mechanical work, as well as concrete pours for stairs and the lower concourse area progress.
Lyon Station cavern
Architectural work this week includes sprinkler rough-ins at the concourse level, and work on lights, ceilings, walls and escalators, as well as formwork for upcoming curb pours at the platform level.
Lyon Station west entrance
Crews continue formwork and concrete pours at the integrated entrance including for the escalator pit walls and along the staircase. Chipping is ongoing at the east vent shaft.
Lyon Station east entrance
Integrated entrance construction advances and includes the installation of conduits, pours of the east adit walls, and installation of structural steel as well as the steel deck at the concourse. At the HVAC shaft, chipping continues and crews begin waterproofing walls.
Parliament Station cavern
Construction of the underground station advances with ongoing arch and deck pours.
Parliament Station east entrance
This week, rock removals are completed and concrete works begin, including the installation of rebar for the raft slab. 24/7 work is ongoing at the integrated entrance as required.
Rideau Station cavern
Work progresses in the cavern; crews install rebar and formwork, and pour concrete for the arch and station walls.
Rideau Station west entrance
Crews continue to mobilize to excavate the integrated entrance escalator, in addition to final concrete work. Concrete works also take place at the HVAC shaft.
Rideau Station east entrance
This week, rebar is installed in the mechanical room, the last whaler beam is removed, and concrete wall pours take place for the east wall.
Crews complete sections of concrete wall pours, begin waterproofing in the pedestrian underpass, and continue rough-ins at the concourse level and backfill this week. This work is in preparation of the next phase of structural steel installation which will take place next week.
Ramp renewal work advances with the removal of the existing metal roof, which is followed by the second phase of excavation at the end of the week. Crews also continue constructing walls and slabs.
Station construction advances and includes underground rough-ins in the electrical and communications rooms, hoarding for upcoming concrete works, and preparations to install structural steel.
Crews continue working on the roof and the deck parapets, forming and preparing to install rebar on the next set of station stairs, installing structural steel and pouring concrete slabs.
This week, construction activities include framing and working on the windscreen footings and elevators, as well as wiring and systems equipment installation in the communications room.
Progress continues to be visible in the station with the installation of composite and porcelain panels, concrete curb pours and ongoing electrical work for the platform and ceilings.
Construction advances at the station; crews install composite panels, windscreen footings, glazing on the station roof, and also work on stairs and final electrical rough ins.
Crews complete work on the soffit, install glazing on the windscreen posts and skylight areas, and continue tile, porcelain panel and conduits installation.
Concrete track slab pours continue in the running tunnel west of Lyon Station cavern. Just west of Parliament Station, crews begin working on the mud slab. Just east of Parliament Station, waterproofing in anticipation of concrete arch final lining work occurs.
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.
- Pimisi Station structural steel installation.
- Lyon Station west vent shaft work resumes.
- Activities at the Parliament Station west entrance resume with architectural work for the parapets.
- Parliament Station west entrance shoring resumes.
- Ongoing overnight work at the Rideau Station west and east entrances, and at the East Portal.
- Removal of the East Portal roof and beginning of next phase of ramp construction.
- Ongoing structural steel installation at uOttawa Station requiring overnight lane restrictions.
- Structural steel installation at Lees Station.
- Fencing installation on guideway just west of Tremblay Station.
- Initial landscaping and parapet work at Tremblay Station that will require a pedestrian realignment.
- Systems installation along the guideway, including Overhead Catenary System poles and wires.
- Overhead Catenary System energized in phases for ongoing vehicle testing from Belfast Yard to Blair Station.