brentcliffe-victoria park construction liaison committee meeting - october 2017

CROSSTOWN LRTConstruction Liaison CommitteeBrentcliffe – Victoria ParkOctober 5, 2017

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What Are We Building

• 15 underground stations and 10 surface stops – 9 km below ground and 10 km above ground

• A maintenance and storage facility

• A 19-kilometre route separated from regular traffic

• Transit communications system

• Links to 54 bus routes, three subway stations,

GO Transit, and a new UP Express station

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Sunnybrook Stop Aerial (Leslie) 60%

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Sunnybrook Stop Platform (Leslie) 60%

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Sunnybrook Stop Sidewalk (Leslie) 60%

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Sunnybrook Stop Sidewalk (Leslie) 60%

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West At-Grade (Brentcliffe Portal to Victoria Park Stop)

Update

Brentcliffe Portal• Preparatory works are underway or complete

– Geotechnical Investigations complete– Subsurface Utility Investigations complete– Tree Protection and Removals ongoing

• Installation of rebar, waterproofing, electrical, and concrete works continue

West At-Grade • Preparatory works are underway or complete

– Periodical Geotechnical Investigations ongoing– Subsurface Utility Investigations ongoing– Tree Protection and Removals ongoing

• Median Removals mid-block on Eglinton Ave East between Pharmacy and DVP complete; Intersections to get underway soon (pending permits)

• Utility relocations in final stage of design.

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Brentcliffe Portal Progress Photos

Area 1 Formwork – Walls

Drilling Tie-backs

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Brentcliffe Portal Progress Photos

Brentcliffe Portal – General View

Area 4 – Strut Installation

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Science Centre Aerial View (90%)

Main Entrance

Bus Terminal and Secondary Entrance

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How we’re building Science Centre Station

Cut and Cover Methodology at Science Centre Station

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Science Centre Station Update

• The East portal mud slabs are complete and the first of 3 pours are being set up beginning with the rebar and embedded conduits for the track slab.

• The first level of tiebacks are complete in the West Portal and bulk excavation has resumed to reduce the invert towards the next tieback level.

• The excavation at the main entrance continues• The micro piles and shotcrete work is ongoing at each of the U shaped structures

and will complete by mid October• The 750mm water main diversion pipe is now fully installed and is being made

ready for pressure testing prior to chlorination and final connection to the existing system

• The 525mm storm connection is almost complete that will eventually service the CoT owned parking lot SE of the intersection

• Gervais drive has been widened to allow traffic lane adjustments once the work to install the E/W new water main and Sanitary and Storm sewer upgrades begin

• The traffic decking work has begun at the connection of the installed pedestrian tunnel B1 as the backfilling work nears the grade level.

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Science Centre Progress Photos

Installation of East portal invert slab rebar

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Science Centre Progress Photos

Excavation of the West Portal below the first tie back level

Shotcrete shoring at the East Portal U shaped structure where soldier pile finish

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Current Traffic Staging at Don Mills & Eglinton

Traffic flipped recently; expected to be in place for approximately 4-6 weeks

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Upcoming Traffic Staging at Don Mills & Eglinton: 5C

Traffic flip expected to take place around mid-October and expected to be in place for approximately 3 months.