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Bremner Transformer Station and Cable Tunnel
PROGRESS OF THE CLASS ENVIRONMENTAL ASSESSMENT STUDY
May 19, 2011
Bremner Transformer Station and Cable TunnelPROGRESS OF THE CLASS ENVIRONMENTAL ASSESSMENT STUDY
Community MeetingMetro Toronto Convention Centre
North Building, Room 203BMay 19th, 2011, 4:30 p.m. to 7:30 p.m.
Please sign in and complete a comment sheet
Project team members are available to discuss the project with youPlease feel free to ask questions
Visit us at www.torontohydro.com/bremnerstationproject
Toronto Hydro
• 100 years of service history
• One of the largest municipal electricity distribution companies in Canada
• Over 700,000 customers, population over 2.5 million
• Peak demand of 5,000 MW( July 2005)
• Over $2.1 billion in assets
• Approx. 1,700 employees
Bremner Transformer Station and Cable TunnelPROGRESS OF THE CLASS ENVIRONMENTAL ASSESSMENT STUDY
Background and Context - Toronto Hydro-Electric System
• The Bremner Transformer Station is proposed to provide electricity service to a significant part of Toronto’s downtown core
• The station will allow Toronto Hydro to replace aging equipment at Windsor Station with a goal of increasing reliability of supply in Toronto's city centre
Existing Windsor Transformer Station(Corner of John and Wellington Streets)
• The project forms part of Toronto Hydro’s PowerUp capital program – a key investment for reliability of electricity supply
• The station will be built adjacent to Toronto’s landmark Roundhouse building at Bremner Boulevard and Rees Street Proposed Location at 25 Rees Street
Bremner Transformer Station and Cable TunnelPROGRESS OF THE CLASS ENVIRONMENTAL ASSESSMENT STUDY
Class Environmental Assessment (EA) Process
Class EA Process• This project is following the Class EA for Minor
Transmission Facilities, which is approved under the Ontario Environmental Assessment Act
• The Class EA process is an effective way of ensuring that transmission projects that have a predictable range of effects are planned and constructed in a manner that is environmentally acceptable
The purpose of this Public Information Centre is to: • Introduce the Bremner Transformer Station and
Cable Tunnel Class EA; and• Provide the public with the opportunity to review
project information and ask questions directly to the project team
Why is the station required?• A new electricity source is needed to replace
obsolete equipment at the existing Windsor Transformer Station
• Existing customers need to be supplied from a new source first, then the transfer of electricity can proceed
• The project aims to increase reliability and supply in Toronto’s downtown core
Bremner Transformer Station and Cable TunnelPROGRESS OF THE CLASS ENVIRONMENTAL ASSESSMENT STUDY
Project Area Characteristics
Why this location?
• The proposed location is in close proximity to the existing Windsor Transformer Station
• There are existing underground cables coming from the Windsor Transformer Station that currently supply electricity to this area
• Once constructed, cables from the proposed Bremner Transformer Station will connect directly to existing underground infrastructure
Project Area
Bremner Transformer Station and Cable TunnelPROGRESS OF THE CLASS ENVIRONMENTAL ASSESSMENT STUDY
Project Area Characteristics
How will the Bremner Transformer station be supplied with electricity?
• A cable tunnel link will be constructed between the Bremner Transformer Station and the existing Hydro One cable tunnel at Lower Simcoe and Front Streets
• Cable tunnel routes and shaft locations will be evaluated as part of this project
• The new cable tunnel is proposed to be approximately 600 metres in length, and 30 metres below the surface of the road
Project Area
Bremner Transformer Station and Cable TunnelPROGRESS OF THE CLASS ENVIRONMENTAL ASSESSMENT STUDY
Description of the Proposed ProjectThe project includes: • Site preparation;• Disassembly of the Machine Shop;• Construction of the Bremner
Transformer Station;• A new cable tunnel to Lower Simcoe
and Front Streets;• Site landscaping work;• Installation of electrical equipment;
and• Transfer of electricity from Windsor
Station to the Bremner Transformer Station
Increasing reliability to Toronto’s downtown core.• The station will include space provisions for future growth
Interior view of a typical transformer station
Bremner Transformer Station and Cable TunnelPROGRESS OF THE CLASS ENVIRONMENTAL ASSESSMENT STUDY
Environmental StudiesThe following environmental studies are being completed to identify and reduce
negative environmental effects throughout construction and operation:
1. Noise and Vibration Assessment• Noise and vibration forecasts are being assessed for the construction and operation of
this project. If required, mitigation measures will be employed as per the Ministry of the Environments’ noise guidelines
2. Human Health Impact Assessment• Electromagnetic Field levels are being analyzed to identify exposure amounts and any
mitigation measures needed to ensure safe limits
3. Heritage Impact Assessment• The machine shop structure adjacent to the Roundhouse will be preserved to uphold
its cultural and heritage value
4. Internal Vehicular Operations• Toronto Hydro is working with local stakeholders, businesses and the City of Toronto
to develop a short and long term strategy for traffic movement on site
Bremner Transformer Station and Cable TunnelPROGRESS OF THE CLASS ENVIRONMENTAL ASSESSMENT STUDY
Description of the Proposed Transformer Station – Option 1
Looking North from Rees St. and Lake Shore Blvd. - Before Looking North from Rees St. and Lake Shore Blvd. - After
Looking South from Bremner Blvd. and Rees St. - Before
Looking South from Bremner Blvd. and Rees St. - After
Bremner Transformer Station and Cable TunnelPROGRESS OF THE CLASS ENVIRONMENTAL ASSESSMENT STUDY
Description of the Proposed Transformer Station – Option 2
Looking Northeast from Lake Shore Blvd. and Rees St. - After
Looking North from Rees St. and Lake Shore Blvd. - Before Looking South from Bremner Blvd. and Rees St. - Before
Bremner Transformer Station and Cable TunnelPROGRESS OF THE CLASS ENVIRONMENTAL ASSESSMENT STUDY
Next StepsNext steps in the Class EA process include:
• An Environmental Project Report will be prepared and made available at specified locations for a 30-day public review period
• Subject to necessary approvals, Toronto Hydro intends to proceed with the planning, design and construction of the Bremner Transformer Station and Cable Tunnel
• Subject to necessary approvals, the intent is to begin construction in Fall 2011
Please submit and complete a comment sheet or feel free to contact one of the project representatives below. Comments will be incorporated into the project record and used to assist Toronto Hydro in the planning, design and construction of this project.
Suzanne R. Yelle, P. Eng., ingManager, ConstructionMajor Turnkey Projects,Toronto Hydro14 Carlton StreetToronto, ON M5B 1K5Phone: 416-542-3364Email: syelle@torontohydro.com
Andreas Houlios, B.E.S. Hons.Environmental PlannerIBI GroupSuite 200, East Wing360 James Street NorthHamilton, ON L8L 1H5Phone: 905-546-1010 ext. 2209Email: andreas.houlios@ibigroup.com
Pam Foster, M. Pl., MCIP, RPPSenior PlannerPlanning & Environmental DesignMMM Group Limited100 Commerce Valley Drive WestThornhill, ON M5B 1K5Phone: 905-882-4211 ext. 2244Email: fosterp@mmm.ca
Bremner Transformer Station and Cable TunnelPROGRESS OF THE CLASS ENVIRONMENTAL ASSESSMENT STUDY
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