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East Open House Laird Drive to Wynford Drive
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East Tunnel Construction Timeline
Contract award Construction of launch shaft – 1 year Utility relocation at headwalls Construction of headwalls – 6 to 8 months Construction of extraction shaft at Yonge Street
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Tunnel Boring Machine
The construction of new tunnels under Eglinton Avenue is done by tunnel boring machines (TBMs).
Each TBM moves forward by pushing off against concrete segments. The operator advances the machine as soil is removed from the TBM face through
a conveyor system. The launch pit remains active for removal of muck/spoils.
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Launch of the Tunnel Boring Machine
The Eglinton Crosstown tunnel will consist of side-by-side or twin tunnels.
Each tunnel will be 6.75 metres internal diameter.
Initially, one machine will begin excavation; the other will follow on a parallel course soon after.
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Launch Shaft Operations
To keep the tunnel safe for the crew a ventilation system pumps fresh air into the tunnel and exhaust air is moved out of the tunnel.
Cranes remain in position during the mining operation; muck will be hauled out and new concrete tunnel segments will be delivered.
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Tunnelling Begins
Tunnel boring machines work beneath Eglinton Avenue. Business activities and traffic will continue with this method. A single TBM will tunnel 75 metres per week. Each machine is capable of moving 500 cubic metres of earth per day. The machines are made in Toronto by Caterpillar Tunneling Canada Corporation,
formerly LOVAT, a world leader in tunnel boring machine manufacturing.
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East Tunnels Launch Shaft
To Brentcliffe To Leslie
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Overview: Design Excellence at Metrolinx
Design excellence at Metrolinx refers to the successful interplay between: Functionality Durability Beauty Value
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Crosstown Principles of Design Excellence
1. A strong conceptual narrative vision across the system
2. Design that elevates the quality of the public transit experience
3. Civic caliber and scale of built form and materials
4. Clarity and simplicity of architectural expression through integrated design of building systems and elements
5. Responsiveness to contextual, local and future conditions
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1. A Strong Conceptual Narrative Vision across the System
A coherent and unified architectural strategy for the
entire Crosstown line
Clear strategy for consistent and variable elements
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Openness through optimal spatial penetration
2. Design that Elevates the Quality of the Public Transit Experience
Optimized daylight penetration
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Unified ground plane inside and outside stations and at stops
3. Civic Calibre and Scale of Built Form and Materials
Civic materials and character of open spaces
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Integrated structural, mechanical, and electrical systems
4. Clarity and Simplicity of Architectural Expression through Integrated Building Systems and Elements
A clear hierarchy and plan for user-centred integrated information
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Integration with historic elements
5. Responsiveness to Contextual, Local and future Conditions
Sustainability measures
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Crosstown Accessible Features: Stations Accessible path from street to platform Accessible routes identified Station attendant Platform edge tactile strip Wayfinding tiles on platforms Near level boarding of trains Platform edge illumination Audible messages throughout stations Signage with accessible features Designated Waiting Area Colour contrast between station walls and floors Equipment mounted at accessible heights Benches
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Crosstown Accessibility Features: Stops
Platform edge tactile strip Platform edge illumination Colour contrast at between walls and platform Equipment mounted at accessible heights Sheltered benches Sheltered wheelchair area Passenger assistance intercom Ramp access to platforms Signage with accessible features
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Laird Station Local Context: Demand
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Laird Station Local Context: Land Use
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Laird Station Profile View
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Laird Station Longitudinal Section
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Laird Station Main Entrance
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Laird Station Secondary Entrance
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Brentcliffe Portal
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East Portal and Don West Bridge
East Portal Don West River Bridge
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Leslie Stop
Ferrand Stop
Wynford Stop
Laird Station
Don Mills Station
Leslie Stop Local Context: Demand
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Leslie Stop Local Context: Pedestrian Flow
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CP Rail bridge
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Don Mills Station Local Context: Demand
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Don Mills Station Local Context: Land Use
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Don Mills Station Primary Entrance
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Don Mills Station Secondary Entrance
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Don Mills Station Longitudinal Section
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Ferrand Portal
Portal
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Wynford Stop Local Context: Pedestrian Flow
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Wynford
Wynford Stop as Proposed in the RCD
Final Stop Configuration to be determined during Detail Design
Wynford Stop as Proposed in the EA
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New Approach: Alternative Financing and Procurement (AFP) Public Private Partnership models have been underway in Canada for 20 years 165 projects 21 transportation projects $51 billion total project value Canada-wide examples Canada Line rapid transit project (Vancouver) Autoroute 25 (Montréal) Trans-Canada Highway (Atlantic Canada)
Ontario examples Pan Am games athletes village Ottawa Light Rail Transit Highway 407 East Phase 1 The Rt. Hon. Herb Gray Parkway (Formerly the Windsor Essex Parkway
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Owner’s Role Changes with AFP
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New Approach: Advantages of (AFP)
Increased capacity to bring projects to market Transfer of risk
Appropriate risks transferred to private sector to ensure “on time, on budget” delivery and offer value for money
Design, construction, cost escalation, schedule delays, operations, maintenance, life cycle, financial risk
Cost certainty Optimal cost combination: combines capital, maintenance and life cycle costs Integration of design and construction
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New Approach: Roles and Responsibilities in the Design Build Finance Maintain model Design Overall scope (inclusion of maintenance,
operations, etc.) Project-Specific Output Specifications
(with Consultant team) Real Estate Acquisition (with City of
Toronto) Build Oversee Construction Phase Quality Assurance
Finance Project Budget With Infrastructure Ontario run a competitive
procurement process; select the winning contractor
Maintain Testing & Commissioning (with Toronto
Transit Commission) Safety Certification and Project Acceptance
TTC to operate Integrated with existing TTC system
Metrolinx Role:
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