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					             New Nuclear at Darlington Environmental Assessment




WELCOME TO
Ontario Power Generation’s
New Nuclear at Darlington
Community Information Session
Environmental Assessment
Fall 2008
1                                                                   Contents
                                                                      Contents

Tonight’s presentation will cover:
     The Project
       • Roles, Responsibilities,
            Milestones
     Environmental Assessment
       • Project Assumptions &
            Layouts
         • Project – Environment
            Interactions



                                        Environmental Assessment
                                         (continued)
                                          • Cumulative Effects
                                          • Significance Criteria
                                        Feedback
                                          • What We Are Hearing
                                          • Input on Our Current Work
                                                               Describe the Project:
2                       The Project - Roles and Responsibilities
                                                         Phases

    The Project
           To construct and operate a new
            nuclear power plant at the existing
            Darlington site to meet the base-load
            electricity requirements of Ontario
    Ontario Power Generation (OPG)
           Is responsible for the federal
            approvals - an environmental
            assessment (EA) & site preparation
            licence
           The EA and licence application are for
              Up to four nuclear units
              Up to 4,800 MW of electrical capacity
         The EA must be completed before the          OPG will be the operator for
          site preparation licence can be issued       the new nuclear units at the
                                                       Darlington site
         A federally appointed joint review
          panel will review the EA and licence
          application
                                                                  Describe the Project:
3                      The Project - Roles and Responsibilities
                                                        Phases
    Infrastructure Ontario
           Leading a competitive process to select a nuclear reactor vendor to
            construct two units and potentially additional units
           Three internationally recognized vendors participating:
              Areva NP - US Evolutionary Pressurized Reactor (1600 MW)
              Atomic Energy of Canada Limited – ACR1000 Advanced CANDU Reactor
               (1200 MW)
              Westinghouse Electric Company – AP1000 nuclear power plant (1000
               MW)
         End of 2008: Deadline for Phase 2 Submission
         2009: Preferred Vendor Selected
    The Vendor will:
           Be responsible for construction, including hiring, purchasing, etc.
           Turn the reactors over to OPG when they are ready to begin
            operations
4                          The Project – Roles and Responsibilities
                                    Upcoming Community Information Sessions

OPG asked to begin federal approvals process for new nuclear
       Initial Site Preparation Licence – submitted Sept. 2006
       Project Description – submitted April 2007
Canadian Environmental Assessment Agency/Canadian
Nuclear Safety Commission
       Determined that a Joint Review Panel will be established to
         review the documents
       Released for public review on September 4, 2008
              Draft Environmental Impact Statement (EIS) Guidelines
              Draft Panel Agreement and Terms of Reference
              Comments due November 19, 2008

OPG
       Submits EIS and Site Preparation Licence Application, once
         guidelines are finalized

Joint Review Panel
       Undertakes Public/Technical Review; Holds Public Hearing
       Issues Report to Federal Minister of the Environment
5   Major/Indicative Milestones
    Darlington New Build Project Description
 6
                Elements in the Environmental Assessment

        OPG has
       completed
     baseline data
     collection for
      most of the
     areas of study
           ↓
  We are currently
looking at project –
   environment
   interactions
           ↓
 All of this will be
documented in the
  environmental
   assessment


 6
7
    The Project – Principle Buildings & Structures
8   The Project - Conceptual Plant Layouts
                            Conceptual layouts
                              developed to
                              provide for principle
                              buildings and
                              structures
                            All provide for:
                                  Site access
                                  Switchyard
                                   Expansion
                                  Parking,
                                   Construction
                                   Facilities
                                  Soil Stockpiles,
                                   Lake fill, Land fill
                                  Used Fuel &
                                   Nuclear Waste
                                   Storage
                            Layout 1: Four
                              reactors and once
                              through lake water
                              cooling
9                                                 Conceptual Site Layouts
       Layout 2 has mechanical draft
        cooling towers and two reactor units
       Mechanical draft cooling towers
          Main heat transfer to atmosphere
          Structure minimally visible off-site
          Very large land area required
                ↓


                                                                        
                                                     Layout 3 has natural draft cooling
                                                      towers and two reactor units
                                                     Natural draft cooling towers
                                                          Main heat transfer to atmosphere
                                                          Structure highly visible off-site
                                                          Large land area required
    10                                                                  Lake Fill
Potential Lake Fill

        Lake Ontario shoreline along Darlington property
             From intake channel to Easterly limit of Darlington
              site

        EA Bounding Assumptions
             Approximately 100 metres into the lake on west side
             Approximately 450 metres on east side
             Approximately three million cubic metres, covering 40
              hectares

        Provides
             Enhanced site security
             Additional lands for construction lay down
             Storage for excavated rock and soil
             Potential wildlife near shore habitat post construction
                                      Project Description
              Bounding EA Timelines/Temporal Boundaries
11




     The dates shown are for EA study purposes. Actual start and in
     service dates have yet to be determined
12                         Site Preparation

     Timeline:
             Approximately two years
     Workforce
             Up to 400 (100 on-site; 300 off-site)
     Activities Include:
             Mobilization
             Vegetation Removal/Earthmoving
             Soil/Rock Management
               • up to 12 million cubic metres

             Infrastructure installation
13
                                                               Construction
     Timeline:                        Workforce:
        Approximately six to eight      Up to 3,500 peak workforce for two
         years for two units              units
                                         On-site parking
                                         Off-site parking may be used within
                                          five km of Darlington site, bus
                                          shuttles to transport workers
                                      Activities Include:
                                         Installation
                                            Reactor block, turbine generator,
                                              cooling system
                                         Construction Waste Management
                                         Marine/Road/Rail Considerations
                                         Concrete Supply
14                                                                 Operations
Workforce & Procurement:                   Timeline:
        Up to 1,400 per year for each
                                               Approximately 60 operating
         set of two units
                                               years for each set of reactors
        Mid-Life Replacement or               (2016-2100)
         Refurbishment - peak workforce
         approximately 2,000
        Procurement patterns similar to
         current Darlington
Activities Include:
        Reactor Commissioning
        Safe plant operations
        Waste/Used Fuel transfer
        Mid-life major component
         replacement and/or
         refurbishment
15                      Project – Environment Interactions Matrix
                                                Potential Interaction
                                   Site       Construction    Operation    Decom-
               Component        Preparation                               missioning
 Aboriginal Interests               *
 Aquatic Biota, Surface Water       *              *               *
 Atmosphere                         *              *               *
 Geology, Hydrogeology,             *              *               *          *
 Seismicity
 Human Health                       *              *               *
 Hydrology & Surface Water          *              *               *
 Land Use and Transportation        *              *
 Physical & Cultural Heritage       *
 Radiation and Radioactivity                                       *          *
 Socio-economic Conditions          *              *               *          *
 Terrestrial                        *              *
                                        Potential Environment Effects
16
                                            Atmospheric Environment
Atmospheric Environment
        Air quality; noise
Examples of Potential Effects
        During site preparation & construction
         phases:
          • Off-site dust and vehicle exhaust
            emission
          • Increased noise from traffic and
            equipment
        Dust and noise levels return to low
         levels during plant operation
        Localized fogging and icing from
         mechanical draft cooling towers (if used)
                                           Potential Mitigation Measures
17
                                               Atmospheric Environment
     Potential Mitigation Measures
      Dust management plan for site preparation and
       construction phases, assumed to include:
                 Watering for dust control
                 Paved versus unpaved roads
                 Different aggregate grades for road
                  construction
                 Slope stabilization (e.g. hydro
                  seeding)
        Noise
                 Ensure construction equipment is well
                  maintained
                 Proactive communication with
                  community
                 Vehicle operating restrictions
      Off-site dust / vehicle exhaust/ noise effects
              •   Routine monitoring and notification
                                   Potential Environmental Effects
18
                                       Socio-Economic Conditions
Socio-economic environment:
        Community character,
         economic studies, recreational
         users, municipal finance,
         etcetera
Examples of Potential Effects:
        Nuisance effects to adjacent
         neighbours
        Disruption of some on-site
         recreational facilities
        Increased demand for
         municipal services and housing
        Creation of direct, indirect and
         induced employment
         opportunities
        Increased municipal revenue
                                        Potential Mitigation Measures
                                          Socio-Economic Conditions
19




     Potential Mitigation Measures
        Monitor neighbouring properties for
         nuisance effects
        Replace or offset loss of
         recreational uses on and off the
         Darlington site
        Support construction and trades
         recruitment and training initiatives
        Enhanced apprenticeship programs
20
                     Effects Assessment
     CumulativeConsider in Cumulative Effects
        Projects to
       Projects to Consider in Cumulative Effects
21                                    Cumulative Effects Assessment

Projects
      407 East Extension
      Region of Durham Energy from
        Waste Facility
       Development within Clarington
        Energy Park
       Oshawa Ethanol plant
       St. Marys Alternative Fuels
        Project
       Pickering Airport
       Refurbishment of existing
        Darlington Nuclear Generating
        Station
      Future 401 widening
 Studies and Plans
      Durham Region Water and
        Wastewater Master Servicing
        Strategy
22          Significance of Residual Environmental Effects


Criteria typically include:
        Magnitude of effect
        Geographical extent of the effect
        Timing, duration, and frequency of the effect
        Degree to which effects are reversible or
         mitigable
        Ecological and social/cultural context
        Probability of occurrence


Existing regulatory and industry standards are used as points of reference.
Professional expertise and judgment are also applied.
23                                           Feedback We’ve Received

    Community Information
     Sessions
        600 visitors to date
    Most Important Environmental
     Features are:
        Drinking and lake water quality
        Atmospheric environment, air
         quality
        Human health considerations
        Nuclear emergency
         infrastructure and preparedness
        Transportation system safety
         and road traffic volumes & safety
 24                                                  Feedback We’ve Received
Community Kiosk:
    500 visitors
    Benefits the project will bring to the
          area
              • How to secure employment
         Importance/Value of the Kiosk
         Timing of Key Events
              • When will construction,
                operations start?
              • When will decisions be made?

  Community Events/Displays
      5,000 visitors
      50% of the comments:
                • Nature of the EA studies, Strong project support
              50% beyond OPG’s responsibility:
                • Vendor selection, Ontario’s electricity system, etcetera
25                                     Thank you for participating!
                                    Upcoming Community Information Sessions


     We’re here to answer your
     questions.
     We want your input on:
        Mitigation measures to address
          potential effects of the project
         Project to consider for the
          cumulative effects assessment
         Criteria to assess significance of
          effects
     Comment and evaluation forms
     are available – please take a
     minute to fill them out before you
     leave!
26                        Contact Us
                            Contact Us




     www.opg.com/newbuild
         1-866-487-6006

				
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