SEPTEMBER 14, 2017
Construction Update
Crews are hard at work completing the tamping, and installation of Overhead Catenary System (OCS) cables and contact wires up to uOttawa Station this month. Work at Lyon Station is to resume at the end of this week following Kontinuum. Work also continues with a sequence of rebar and concrete pours to build the invert slabs inside the West Portal.
Platform roofing continuing at Bayview Station
West Stations
Tunney’s Pasture Station
Crews finalize the curb at the concourse level and work on installing the sprinkler system, waterline, and heat tracing. Work on the mechanical and electrical rough-ins continues. The masonry on the outside of the concourse wall is also ongoing.
Bayview Station
Platform roofing is ongoing for the next few weeks. Crews are also applying intumescent paint to station columns and completing the mechanical and electrical infrastructure at the concourse level.
Pimisi Station
Crews on the lower concourse are working on pulling wire, electrical equipment installation, and the fire protection and mechanical rough-ins. One of the elevators will also be prepared for service in the coming weeks.
Concrete works occurring near Rideau Station
Central Stations
Lyon Station cavern
Main work inside the station is on hold until Kontinuum concludes in the fall. Meanwhile behind the scenes, masonry and electrical activities continue.
Lyon Station west entrance
Main work inside the station is on hold until Kontinuum concludes in the fall. Streetscaping along Lyon Street continues with paving and landscaping to commence next week. The west TVS progresses with formwork and concrete pours.
Lyon Station east entrance
Main work inside the station is on hold until Kontinuum concludes in the fall. The east TVS progresses with formwork and concrete pours.
Parliament Station cavern
Occurring this week in the cavern are the ongoing works of escalator support walls, priming and painting the elevator shafts and the first stage of electrical rough-ins. In addition to the ongoing work, crews finish up masonry walls on the concourse.
Parliament Station west entrance
Construction activities this week include work on the duct banks and north and south wall waterproofing. Next week, rebar installation takes place for the south wall and falsework and concrete pours for the north wall.
Parliament Station east entrance
Falsework continues for the suspended slab so rebar and concrete pours can begin next week. The adit continues to take shape with forming and concrete pours as well.
Running tunnel between Rideau Station and East Portal
Rideau Station cavern
Arch waterproofing is ongoing along with rebar installation and concrete pours. At the concourse, slab rebar, formwork and conduit installation progresses as well.
Rideau Station west entrance
Crews have received the tunnel arch formwork and work over the course of the week to finish installing it. Arch pours begin at the end of the week.
Rideau Station east entrance
Installation of structural steel for the head house wraps up this week along with waterproofing the adit arch and TVS slab. The escalator control room advances alongside the HVAC room, and electrical installations for the TPSS room.
East Portal
Crews continue to advance work on the east duct banks with conduit installation and concrete pours. Starter walls for the cut and cover tunnel section progress and concrete finishing takes place as well at the East Portal.
uOttawa Station
At the concourse level, work is proceeding on the duct, plumbing, and fire protection systems. Crews are also finalizing the roof to achieve a water-tight condition. The installation of ballast and track continues, while the curved plaza ramp excavation has begun.
East Stations
Lees Station
The windscreen bases will be installed at the concourse level this week. Crews are also completing the electrical, HVAC, and plumbing work in the ancillary building which is expected to be energized around mid-September. On the concourse and platform, steel and concrete crews will also be finalizing the retaining wall.
Hurdman Station
Concrete crews are scheduled to begin pouring the topping slab at Hurdman Station. Fireproofing and intumescent painting continues to progress.Finally, crews are at work completing the roof drains on the north roof.
Tremblay Station
Skylight framing and installation is in progress. Pulling wires, equipment installs and lighting are continuing through September. Electrical contractors are working in the east and west ancillary building and installing heat tracing on stairways. Crews are also working on getting the elevators operational.
Progress of construction at Blair Station
St-Laurent Station
Scheduled work includes the mechanical and electrical work in the plenum area of the station. The tunnel ventilation shaft is being completed, including installation of the jet fans. Platform topping pours are being finalized.
Cyrville Station
Final grading begins this week and is scheduled to take place through September. Other activities include completion of the topping platform, closing the ceiling near the elevators, waterproofing the platform around one of the elevators, and finalizing elevator room panels.
Blair Station
Crews will be at work completing the new bus loop at Blair this week. On one of the main stairways, the work on the boxes and fixtures for the lighting is scheduled to conclude this week. In the communications room, installation of the control-system architecture is concluding.
OCS installation at Hurdman Station
In the east, OCS wires have been strung between Lees and uOttawa Station and trackwork through uOttawa Station is now complete. In the downtown segment of the alignment, crews are continuing to install plinths in the u-trench and have started assembling the diamond crossover at Parliament Station. Tamping is now complete between Bayview and Pimisi Station.