western works - construction liaison committee meeting - may 2017

Eglinton Crosstown LRT Construction Liaison CommitteeMay 30, 2017

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Agenda

• Eglinton Crosstown LRT Overview

• Eglinton Maintenance & Storage Facility

• Mount Dennis Station

• Railway Corridor

• West Portal & Elevated Guideway

• Tunnel Fit Out

• Keelesdale Station

• Caledonia Station

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Eglinton Crosstown LRT

• A 19-kilometre route separated from regular traffic

• 10-kilometres underground in west and central areas; 9-kilometres at surface in east

• 15 underground stations and 10 surface stops

• A maintenance and storage facility

• Transit communications system

• Links to 54 bus routes, 3 subway stations, GO Transit, UP Express station

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Eglinton Crosstown LRT: Key Milestones

Contract signed

and Mobilization

EMSF Ready 1st

LRV Delivery

LRV Delivery Dates

Ready for Testing

and Commissioning

Substantial Completion

November 2018

October 2018

July 2015

March 2020 4

3

2

1

74 Months

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Maintenance & Storage Facility Concept: Aerial View

*60% rendering

1

2

3

4

1. Vehicle Cleaning Staff Building2. Vehicle Cleaning & Inspection Facility (VCIF)

3. Maintenance Building4. Operations Control Center

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5. Operations Company(OPSCO)

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Progress to Date – EMSF

Train WashMaintenance Building foot print

Eglinton Maintenance and Storage Facility

Staff Building

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Progress to Date – EMSF Progress to date: EMSF

• Environmental & geotechnical testing

• Foundations for Maintenance, OPSCO, Vechile Cleaning and Staff Buildings

• Site services – dry/wet utilities (ongoing)

• Steel erection for Maintenance Building (started)

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1

2

3

4

5

6

7

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Mount Dennis Concept: Aerial View

*60% rendering

1. Bus Loop2. Main Entrance

3. Second Entrance4. Building 9 – Third

Entrance

5. Maintenance Building6. Operations Company

7. New Photography Drive Bridge8. Rail Corridor

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Mount Dennis Station

No. 9 Building

Secondary Entrance

CP Rail

Station Box

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Progress to date: Mount Dennis Station

• Foundations – Mount Dennis station box concrete structure – main entrance (ongoing)

• Site services – water main, sanitary and storm sewer placement

• Building 9 foundation

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West Portal & Elevated Guideway

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Progress to date: West Portal & Elevated Guideway

Ongoing • Walls and roof formwork and rebar – box tunnel construction• Utility relocation works for Elevated Guideway• To follow: Retaining wall and backfilling for Eglinton Avenue West realignment

2000 m3 reinforced concrete poured to date

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Tunnel Fit Out – Invert Pour

Concrete slab to be

poured

With the completion of the tunnel boring, we now start the next step for work in the tunnels with pouring of concrete slabs to ‘invert’ or flatten the tunnel floor. This must occur prior to the installation of track and transit systems.

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Tunnel Fit Out – Concrete Pour Overview

• Concrete trucks deliver concrete every 30-60 minutes, depending on howfar down the tunnel the work is occurring

• Trucks park beside the shaft at Cedarvale (Allen Rd. and Eglinton), andunload 9 m3 of concrete into a large pipe, into one of two mini concretetrucks (4.5 m3 each) at the shaft floor.

• The mini truck in the shaft then drives down the tunnel to the next sectionof tunnel to be inverted.

• The first stage of concrete pour began in tunnel section 1 on April 4, 2017,and tunnel section 2 on April 17, 2017.

• On average, crews complete a section approximately 80 metres in lengthof the concrete slab per day in each tunnel.

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Tunnel Invert Pour – Stage 1

• Concrete trucks deliver loose concrete to the work area• Loose concrete mix is used to fill the bottom of the tunnel• Tunnel Fit Out Crew flatten and smooth it

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Tunnel Invert Pour – Stage 2

• Workers install welded mesh which functions like rebar to help reinforce the next layer of concrete

• Higher strength concrete is poured to provide the flat track slab for the rail tracks• Workers spread the concrete, and a truss screed machine vibrates it into a perfectly

level surface

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Keelesdale Concept: Aerial View

1

2

3

4

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1. Main Entrance2. Third Entrance

3. Second Entrance4. Traction Power Substation (TPSS)

5. Bus Loop

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Keelesdale Station

Secondary Entrance

Third Entrance

TPSS Building

Main Entrance

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Progress to date: Keelesdale Station

• First station to start construction in March 2016• Utility relocations• Shallow Excavation complete on the North Side of intersection• Excavation at the Traction Power Substation (TPSS), third & main entrance • North side major utility support beams installed• North east side deck beams and timber mat installation• All lanes to re-open to east and westbound traffic end May 2017

Caledonia Station Construction Update

Complete

Installation of geotechnical monitoring equipment

Hydro utility relocation work

Bell utility relocation

Traffic signal relocation at Blackthorn Ave and Eglinton Ave W

Piling of the station box

Installation of dewatering system

Shallow excavation to first round of tie-backs

Installation of first round lagging, tie-backs, braces and walers

Tower crane erection

Spring/Summer 2017

• Site service connection to wet utilities (one month)

• Dewatering (ongoing)

• Deep excavation (8 months)

• Monitoring of geotechnical instruments (ongoing)

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Current Construction Staging

Began May 29 for 1.5 weeks

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Current Construction Staging

Beginning June 8 for two (2) weeks

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Caledonia Station Aerial Concept

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Caledonia Station Construction Progress

Pile Installation

Drilling Tie-backs

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Caledonia Station Construction Progress

Trenching for

Dewatering

Tower Erection

Hauling Spoils

Thank you!

For more information about the Eglinton

Crosstown LRT please visit:

www.thecrosstown.ca