chaplin & avenue construction liaison committee meeting - november 2017
TRANSCRIPT
CROSSTOWN LRTConstruction Liaison
CommitteeNovember 1, 2017
2
Avenue Construction Updates
3
Short Term Activities Area Duration
Connection borehole and
tunnel concrete pour
At Eglinton and Highbourne 1-2 days remaining to complete drilling
2 weeks concrete pour - upcoming
Dewatering work (overnight
work)
Centre line of Eglinton from
Braemar to Lascelles,
including crossing Avenue
Road
1-2 weeks preparatory works - completed
1-2 weeks drilling – underway
Dewatering work (daytime)
Installation pumps and
trenching for connection
pipes
Eglinton north and south side
from Oriole Pkwy to Lascelles
Approx. 2 weeks remaining
Sewer bypass (daytime) and
Sewer lining (24 hour work)
Eglinton between Braemar
and Lascelles, including
crossing Avenue Road
4 – 6 weeks
Sewer bypass installation underway
Watermain lining Eglinton from Avenue to
Oriole Parkway
2 weeks
Pre-inspections for temporary service
connections underway
Avenue Station: What to Expect November & December 2017
4
Short Term Activities Area Duration
Connection borehole and
tunnel concrete pour
Eglinton and just west of Avenue
Road
December/January
2 weeks drilling
2 weeks concrete pour
Crane installation at both
entrances
Main and Secondary Entrances Delivered and installed during 1
week
Secondary Entrance – mid November
Monitoring instruments
(installations, surveying and
monitoring)
Eglinton from Braemar Blvd to
Lascelles Blvd
Increased frequency of
survey/monitoring crews
Installations complete in early 2018
Avenue Station: What to Expect November & December 2017
5
Avenue Station: Start of 24 Hour Mining
• Mining operations are included in the 2010 Toronto Transit Project Noise By-Law Exemption to allow for tunneling and related work to occur 24 hours a day.
• A robust noise reduction plan based on major international projects such as the Boston Big Dig, Crossrail in London and the Thames Tideway Tunnel has been developed to minimize impacts on the local community.
– Implement noise reduction measures at the station construction sites
– Continually monitor noise and vibration throughout construction
– Adjust noise reduction measures at the construction sites as required
– If necessary, consider additional measures for residences in potentially sensitive zone
– Ensure proactive communications with the community before and during construction
Long Term Construction Activity Area Duration
Beginning of 24 hour mining work
at Secondary Entrance
Secondary Entrance November 2017 - 2019
Beginning of 24 hour mining work
at Main Entrance
Main Entrance January 2018 - 2019
6
Sewer Lining Update
• Sewer bypass installation (underway)
– Bypass pipes and equipment will be in place until lining of the larger sewer line is completed
• Sewer Lining (November)
– 3 weeks of work, approximately 3 days of work per section
– Overnight work required for lining operations occur on a continuous basis for the 3 days per section
– Overnight work required to avoid sewer/water service disruption to businesses and residences during daytime hours
– On Eglinton Ave from Braemar to Lascelles, and small section on Avenue Road, Oriole Pwky and Highbourne
7
Watermain Lining
November
• Temporary Water Connections for Watermain lining (150mm main)– Activity will take approximately 2 weeks– Minimal overnight work required (for connections ) to avoid water service
disruption to businesses and residences during daytime hours– Properties on north side of Eglinton, from Avenue to Oriole Pwky will be
connected to temporary water supply– Properties will be connected to the temporary services from a feeder pipe in
the laneway. Details are currently being determined based on visits to properties.
– Minor trenching work possible in laneway to accommodate temporary water connections
– Minor trenching work between 256 and 250 Eglinton Avenue West to connect to the water supply for the temporary water service connections
• Installation of water valve on 300mm watermain – late 2017– Activity will take approximately 1 week of work– Sidewalk in front of 259 Eglinton Ave
8
Tunnel Backfilling
Prior to mining works, CTS must fill portions of the tunnels with concrete, this involves drilling from the surface all the way to the TBM tunnels. There are two separate phases to this work.
Phase 2 – Concrete Pouring - Upcoming
• Crews will complete the concrete pours one area at a time.
• Each area will take approximately 2 weeks to complete the concrete pouring.
• A work zone will be set up around the concrete trucks as they pour, and it will be taken down nightly.
• Concrete pour work will occur between 7:00AM and 11:00PM.
• During the pouring phase, there will be an increase truck flow to deliver the concrete to the site.
• Once the concrete pouring is complete the roadway holes will be filled and restored.
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Avenue Station - Main Entrance Progress
September 2017
June 2016
September 2016
May 2017
10
October 2017June 2017
Avenue Station – Secondary Entrance Progress
April 2016
October 2016
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Avenue Station - Aerial View
90% Design Rendering
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Avenue Station – Main Entrance
90% Design Rendering
13
Avenue Station – Main Entrance
90% Design Rendering
14
Avenue Station – Secondary Entrance
90% Design Rendering
15
Avenue Station Area Map
16
Chaplin Construction Updates
Chaplin Station Construction Update
October 2017
Demobilize Tertiary Entrance site
Telecommunications (Bell) utilities relocation within the southwest station box area
Installation of special piles at the south east station box area
November 2017
• Continue sanitary sewer installation
• Commence piling at the southeast corner of Chaplin Cres and Eglinton Ave W
• Implement new traffic stage on the north side of Eglinton Ave W – Nov 1
• Commence hydro utilities relocation at the northeast station box area
• Commence piling at the northeast station box area
December 2017
• Overnight diversion of existing combined sewer
Chaplin Station 2017 Look Ahead
Year Quarter Construction Activity
2017
Q4
(October-
December)
• Utilities Relocation:
• Hydro Relocation
• Sanitary Sewer Installation
• Support of Excavation:
• Piling at Northeast Station Box
• Piling at Southeast Station Box
2018 Q1
(January-March)
• Utilities Relocation:
• Sanitary Sewer Installation
• Temporary Watermain Bypass
• Support of Excavation:
• Piling at North Station Box
• Shallow Excavation and Roof Slab Construction
Chaplin Station: Current Construction Staging
November 1 for approximately three (3) months
Chaplin Station Concept: Aerial View
Main Entrance
Secondary Entrance
*60% rendering
Tertiary Entrance
Chaplin Station Construction Progress
21
GUIDEWALL INSTALLTION
TORQUING BOLTS FOR
SPECIAL PILE
TERTIARY ENTRANCE PILES
PREP WORK FOR TRAFFIC FLIP
22
Local Area Map
Station(s) under construction