Draft Scoping Information Document - Ontario Power Generation

July 2011
Draft Scoping Information Document - Proposal by OPG - Refurbishment and
Continued Operation - Darlington Nuclear Generating Station, Clarington, Ontario
Table of Contents
OVERVIEW ........................................................................................................................ i
1. BACKGROUND .................................................................................................... 1
1.1 Project Description.................................................................................................. 1
1.2 EA Determination ................................................................................................... 1
1.3 Project Coordination ............................................................................................... 2
1.4 Delegation of Technical Studies ................................................................................... 2
1.5 EA Project Schedule ............................................................................................... 3
2. SCOPE OF THE ENVIRONMENTAL ASSESSMENT....................................... 4
2.1 Scope of the Project ................................................................................................ 4
2.2 Factors to be Considered in the EA ........................................................................ 6
2.3 Scope of the Factors................................................................................................ 6
2.3.1 Spatial Boundaries of the Assessment ........................................................ 7
2.3.2 Temporal Boundaries of the Assessment.................................................... 7
2.4 Assessment of Public Participation......................................................................... 8
2.5 Aboriginal Participation.......................................................................................... 9
2.6 Determining the Type of Screening EA Process .................................................... 9
3. PROJECT-SPECIFIC INFORMATION REQUIREMENTS .............................. 10
3.1 Project Overview and Schedule............................................................................ 10
3.2 Proponent Organization ........................................................................................ 10
3.3 Purpose of the Project ........................................................................................... 10
3.4 Physical Components and Activities of the Project.............................................. 10
3.4.1 Site Preparation and Construction of New Structures .............................. 11
3.4.2 Refurbishment Activities .......................................................................... 11
3.4.3 Normal Operations, General Information and Design Characteristics ..... 12
3.4.4 Potential Malfunctions and Accidents ............................................................. 14
3.4.5 Decommissioning ............................................................................................ 14
3.5 Description of the Existing Environment ............................................................. 15
3.6 Constituents of Potential Concern ........................................................................ 17
3.7 Valued Ecosystem Components ................................................................... 17
4. ASSESSMENT AND MITIGATION OF ENVIRONMENTAL EFFECTS....... 18
4.1 Description of Assessment Methods..................................................................... 18
4.2 Identifying Project-Environment Interactions ...................................................... 18
4.3 Identifying Likely Changes to the Environment................................................... 19
4.4 Determining Likely Residual Adverse Effects ..................................................... 19
4.5 Assessment of Effects of the Environment on the Project.................................... 20
5. ASSESSMENT OF CUMULATIVE EFFECTS.................................................. 21
6. SIGNIFICANCE OF THE RESIDUAL EFFECTS ............................................. 21
7. FOLLOW-UP PROGRAM................................................................................... 22
8. REFERENCES ..................................................................................................... 24
APPENDIX A. ASSESSMENT OF PUBLIC PARTICIPATION................................... 26
APPENDIX B. DETERMINATION OF THE TYPE OF SCREENING ........................ 29
APPENDIX C. PROJECT-ENVIRONMENT INTERACTIONS MATRIX...............- 31 -
e-DOC 3734740- - I -
CEAR 11-01-62516