›PEOPLE. South Extension DRIVE. Spring 2021 Update – May 13, 2021 RESULTS. Duncan Elliott, Senior Project Manager Tonight’s Agenda

› Overview of what the project includes › TransitNEXT focus for the upcoming construction season › Construction progress at each site (north to south followed by the Airport Link) with anticipated impacts › Video fly-through

2 Trillium Overview

3 2021 Construction Season Focus

› Striving to complete our rail-over-road bridges this year. › Progress other structures: › Ellwood Diamond rail bridge › Rideau River pedestrian bridge › Rail bridge over Mosquito Creek › Wildlife crossing over High Road › Accelerate station progress. › Ramp-up trackwork installation with activity in all segments.

4 Construction Update:

›What has been done? › Demolition of the existing platform. › Start of construction on the Trinity pedestrian bridge.

What is underway and upcoming? › Construction of a new MUP. › Foundation work for the east side platform. › Civil works.

Impacts › Exploring weekend work.

5 Construction Update: Corso Italia (new station, existing line)

What has been done? › Rock excavation on the north side of Gladstone Avenue where the station will be constructed to widen the guideway and allow for a second track.

What is underway and upcoming? › Utility relocation and platform foundation construction.

Impacts › Exploring weekend work.

6 Construction Update: Trench (Highway 417 to Beech Street) What has been done? › Line drilling and hoe ramming to break up rock and widen the trench in preparation for a second track.

What is underway and upcoming? › Relocation of a fiber optic cable currently located on the west side of the trench to the east wall of the trench scheduled to take place late in June and July. › Approximately 5-7 days of hoe ramming on the west side of the trench to complete rock breaking activity. › Followed by heavy civil work to remove remaining rock and existing track bed. › Noise mitigation panels will be removed after civil work is complete. › Track installation to start in the fall.

Impacts › Final hoe ramming activities to create moderate to high noise impacts.

7 Trench Widening

8 Construction Update: Dow’s Lake Station (formerly Carling)

›What has been done? › Demolition of the existing station platform. › Rock excavation to allow for the lengthening of the new station platform.

What is underway and upcoming? › Duct work is being installed. › Once complete, the new platform will be constructed.

Impacts › General construction noise and traffic in the area.

9 Construction Update: Carleton Station

›What has been done? › South MUP extension work is complete and the MUP has re-opened. › Station tunnel has been poured.

What is underway and upcoming? › Continued work on station repairs. › The underpass under the platform continues. › Next, crews will work on utilities and the platform.

Impacts › General construction noise and traffic in the area.

10 Construction Update: Rideau River Rail and Pedestrian Bridges

›What has been done? › Installation of scaffolding around the rail bridge. › Tree clearing to create a work area for the pedestrian bridge.

What is underway and upcoming? › Sandblasting the rail bridge is underway as part of bridge rehabilitation. › Columns will be poured to support the prefabricated bridge, which will be launched in late summer/early fall.

Impacts › Flaggers are in place on the Rideau River Eastern pathway to help pedestrians and cyclists move safely through our work zone.

11 Rideau River Rail and Pedestrian Bridges

12 Construction Update: Mooney’s Bay Station

What has been done? › Old station platform has been demolished.

What is underway and upcoming? › Civil work and installation of utilities under the new, future platform is underway. › Platform foundation backfilling is ongoing.

Impacts › General construction noise and traffic in the area.

13 Construction Update: Ellwood Diamond Grade Separation What has been done? › Caissons completed, which form the deep foundation of the future rail structure.

What is underway and upcoming? › Crews are preparing to pour columns and pier caps in preparation for installation of precast girders. › Once the columns are complete, the existing bridges (Sawmill Creek and the OC bridge) will be demolished this summer.

Impacts › Two ten-hour shifts being explored.

14 Construction Update: Dow’s Lake Tunnel

›What has been done? › Removal of existing rails. › Joint repairs.

What is underway and upcoming? › Waterproofing joints and general improvements to the water infiltration management system. › Continued tunnel rehabilitation activities and installation of new tracks.

Impacts › No public impacts.

15 Construction Update: Walkley Station (new station, existing line)

What has been done? › Excavation and site preparation. › Construction of footing walls.

What is underway and upcoming? › Construction of shoring and platform walls. › Relocation of the watermain and installation of duct banks for utilities in the platform area. › Excavation for the station building and plaza.

Impacts › Two, ten-hour shifts being explored.

16 Construction Update: Walkley MSF

What has been done? › Foundation work and exterior envelope is complete. What is underway and upcoming? › Slab on-grade concrete pours are ongoing inside the building. › Mechanical rough-in. › Work on the train inspection building and on the train wash building foundation. › Work will soon begin on underground utilities in the yard. Impacts › General construction noise and traffic in the area.

17 Construction Update:

What has been done? › Demolition of the old platform. › Excavation to create a footprint for the new, longer station platform. What is underway and upcoming? › Working on existing and new platform footings. › Preparing to lay track in this section. Track work between Walkley Station and Greenboro Station is expected to be the first segment complete this summer/fall. Impacts › General construction noise and traffic in the area.

18 Construction Update: Station

What has been done? › Concrete foundation work is complete.

What is underway and upcoming? › Forming and reinforcement for the walls that will support the platform continue. › Installation of engineered, lightweight fill. › Crews will soon start on mechanical and electrical work for the base slab. › Preparations are underway for the platform slab. › Structural steel starting later this summer.

Impacts › General construction noise and traffic in the area.

19 Construction Update: Hunt Club Road Rail Bridge & MUP

What has been done? › Relocation of overhead utilities into underground duct banks. › Caissons drilled on either side of the road and in the centre median.

What is underway and upcoming? › Continued work in the centre median. › Construction of columns and pier caps expected to start soon. › Once pier caps are complete, precast girders will be installed and deck work will commence.

Impacts › Night work during concrete pours and girder installation for safety of workers and public. › Increased truck traffic along Mac Street from Bridle Path Drive to accommodate the transport of rail from a trackwork laydown area.

20 Hunt Club Road Rail Bridge & MUP

21 Construction Update: Lester & Leitrim Rail Bridges

›What has been done? › Precast girders installed. › Parapet wall and end diaphragm construction is complete at Lester.

What is underway and upcoming? › Waterproofing upcoming in preparation for track installation at Lester. › Track installation over Lester is scheduled soon. › Deck pour took place earlier this week at Leitrim with parapet walls and deck work to continue.

Impacts › General construction noise and traffic in the area.

22 Lester Rail Bridge

Leitrim Rail Bridge

23 Construction Update: New Leitrim Station What has been done? › Excavation and clearing the new station footprint.

What is underway and upcoming? › Excavation, formwork, rebar and concrete placement is underway and will continue. › Starting underground duct banks and watermain installation is upcoming. › Over the remainder of the year, the focus will be on the construction of the station, the platforms, the park and ride facility and bus loop.

Impacts › General construction noise and traffic in the area.

24 Construction Update: Earl Armstrong & Bowesville Rail Bridges What has been done? › Pier cap and column construction complete at Earl Armstrong and Bowesville. › Pre-cast girder have been installed at both. › Parapet walls poured this week at Earl Armstrong.

What is underway and upcoming? › Micro piles underway on either side of Bowesville in preparation for embankment construction. › Deck work continuing at both Earl Armstrong and Bowesville. › Final stage will be waterproofing in preparation for track installation.

Impacts › General construction noise and traffic in the area. › Two, ten-hour shifts being explored at Earl Armstrong. › Exploring weekend work at both.

25 Earl Armstrong Rail Bridge Bowesville Rail Bridge

26 Construction Update: Intersection work

›What is upcoming? › In late summer/fall, work will begin on ditching, intersection realignment and traffic light installation at Earl Armstrong and Bowesville Roads.

Impacts › Anticipate temporary lane closure may be required.

27 Construction Update: New Bowesville Station What has been done? › Crews have mobilized and prepared the site.

What is underway and upcoming? › Continued work on the train approach slab. › Work is underway on the station foundation. › Focus of the upcoming season on completion of the foundation, retaining walls and the start of station construction and the under-platform pedestrian tunnel.

Impacts › General construction noise and traffic in the area. › Exploring weekend work.

28 Construction Update: Limebank Elevated Guideway & Station What has been done? › Columns and pier caps for the Limebank elevated guideway and rail bridge. › Last of 38 precast girders was installed earlier this week.

What is underway and upcoming? › Installation of stairs to the elevated platform and structural steel are underway. › Site to become more active in the coming weeks with mechanical underground work to commence.

Impacts › Exploring two, ten-hour shifts.

29 Construction Update: Airport Link – Uplands Station

What has been done? › Excavation at the future station is complete.

What is underway and upcoming? › Underground electrical work is ongoing. › Formwork, rebar and concrete works are underway. › Crews have begun to backfill around the station foundations.

Impacts › General construction noise and traffic in the area.

30 Construction Update: Airport Link – Airport Parkway Rail Bridge

What has been done? › Precast girders installed and deck poured.

What is underway and upcoming? › Abutment construction is ongoing. › Approach slab construction upcoming. › Crews are working on the guideway in preparation for rail installation.

Impacts › General construction noise and traffic in the area.

31 Construction Update: Airport Elevated Guideway & Station

What has been done? › All girders installed along the 400-metre elevated guideway. › Construction of the stair shaft that lead to the are complete. › Structural steel installation for the new station platform complete.

What is underway and upcoming? › Deck pouring continues on the elevated guideway with spans 5 and 6 completed and 7 and 8 upcoming later in May. › Starting on Mechanically Stabilized Earth (MSE) walls at the Airport station. › Remaining work on top of the guideway and at the station to prepare for track installation this summer/fall.

Impacts › Exploring two, ten-hour shifts and weekend work.

32 Airport Elevated Guideway & Station

33 34 Thank you for your time and understanding as our busy construction season gets underway!

35