Construction Update
Week of May 22
Construction along the Confederation Line this week advances with the delivery of escalators and elevators at both the east and west entrances of Lyon Station, and waterproofing at Pimisi Station. Also getting underway is work on the invert of Rideau Station. Masonry at the Lees Station ancillary building is being completed.
West Stations
Tunney’s Pasture Station
Concrete pours occur for the foundation walls and slabs. Shoring begins for the concourse slab and steel beam installation also takes place.
Bayview Station
Construction advances and includes work on the west side of the station for the platform slabs. Rebar and formwork installation is also ongoing as part of concrete work. Crews pour remaining concourse slabs and begin installing structural steel.
Pimisi Station
Concrete pours for columns and slabs and installation of structural steel are ongoing. Mechanical and electrical rough-in work as well as falsework for the west upper concourse is progressing. Crews mobilize to begin waterproofing of walls.
Central Stations
Lyon Station cavern
Architectural work progresses in the cavern, with tiling continuing. Installation of escalators, mechanical and electrical rough-ins in the HVAC room and installation of trackwork also continues.
Lyon Station west entrance
The integrated entrance continues to take shape with ongoing work on the head house, concrete works on the ground floor, including curing, as well as forming and pouring the lower stairs. Crews form, pour and cure walls at the east vent shaft walls. Rock removals occur at the Lyon west vent shaft.
Lyon Station east entrance
This week, installation of the station elevators and rough-ins occur. In addition, masonry is installed on the retail concourse level and concrete curing takes place on the mezzanine level. Final concrete works occur at the HVAC shaft and painting begins as part of architectural work.
Parliament Station cavern
Final arch concrete lining pours progress this week. Crews finish installing rebar and conduits to prepare to pour the next section of deck. Architectural work occurs in the cavern.
Parliament Station west entrance
Integrated entrance construction advances with hoe ramming, rock support and shotcrete activities in addition to rock bolt installation.
Parliament Station east entrance
Concrete work ramps up this week and includes installation of rebar and formwork for the station’s lower pit walls. The roof slab work is being completed and rebar installation begins
Rideau Station cavern
Construction of the station cavern continues to advance with final lining work occurring on the arch and the invert. Crews begin spraying shotcrete this week as part of final lining work, waterproofing the adit area and installing rebar for upcoming concrete pours on the walls.
Rideau Station west entrance
Waterproofing of the invert occurs this week. Excavation for the escalator takes place during the daytime and overnight as required.
Rideau Station east entrance
Integrated entrance construction continues to advance at surface level with the installation of rebar for HVAC walls and ongoing formwork and concrete pours for the station west walls and elevator roof slab. Roof falsework is completed and crews begin to install rebar.
East Portal
Renewal work continues with rebar installation and concrete pours on the west and east walls of the ramp.
uOttawa Station
The station continues to take shape with ongoing concrete work. Roofing and framing occurs for upcoming porcelain panel installation at the concourse level. Next phase of steel installation continues.
East Stations
Lees Station
Rebar, formwork and concrete pours in cycles for the upper concourse area advance at the station. Work on the service trench connecting the station and ancillary building continues. Mechanical and electrical rough-in work at the concourse level progresses. The next phase of structural steel work also continues this week.
Hurdman Station
Progress continues to be visible at the station with ongoing framing and structural steel installation, escalator and electrical work. Concrete pours for the suspended slabs and installation of the south escalator occurs. Interior finishing at the bus operator building concludes.
Tremblay Station
Crews continue installing composite and porcelain panels and working on elevators to prepare for the arrival of the elevators. Initial landscaping also occurs and includes parapet work at the west ring road. Cast-in-place concrete construction is ongoing, including curbs. Signband conduit and elevator installation continues along with painting of structural steel. Crews mobilize to begin skylight framing and glazing.
St-Laurent Station
Final platform finishes, precast concrete stair work, work on doors and escalator cladding all advance. Platform level electrical and sprinkler installation at the concourse continues along with porcelain panel installation. Headhouse structural work and work on the HVAC shaft continues.
Cyrville Station
Construction advances and includes glazing, work on precast concrete stairs, and station signage. Signband conduit installation is progressing. Concrete pours for platform topping and landscaping continue.
Blair Station
Glazing activities and final finishes on the platform are ongoing. Porcelain panel installation, precast concrete stair caulking, painting, installation of doors and hardware progresses. Electrical conduit is installed for signband installation to progress. Testing and commissioning of mechanical equipment, light fixture installation and interior finishing is underway. Platform topping installation is to commence.
Guideway and Trackwork
The guideway continues to take shape along the alignment: Overhead Catenary System poles are being installed just west of Bayview station moving east to Pimisi Station, rails are being pulled and dowels installed in the tunnel moving east. In addition, trackwork activities occur just east of uOttawa Station to Hurdman Station, including pulling rail and ballast tamping. System crews have completed the installation of wires to allow the test track and vehicle testing to advance in the east section of the alignment.
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.
- Delivery and installation of the Traction Power Sub Station east of Pimisi Station.
- Ongoing overnight work at the Rideau Station west and east entrances, and at the East Portal.
- Next stage of work at uOttawa Station requiring overnight lane restrictions.
- Final work on the pedestrian tunnel at uOttawa 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.
- Fencing installation on guideway just west of Tremblay Station.
- Systems installation along the guideway, including Overhead Catenary System poles and wires.
- Elevator installation at uOttawa Station.
- Masonry at the ancillary building at Bayview Station.
- Electrical and communications room installations at Lees Station.
- Soft ground excavation at Parliament Station requiring overnight work.
- Elevator installation at Lyon Station
http://www.ligneconfederationline.ca/construction/construction-update-125/