OPG Proprietary Document Number: Usage Classification: Report NK054-REP-01210-00078 N/A Sheet Number: Revision: N/A R006 Title: DARLINGTON NEW NUCLEAR PROJECT COMMITMENTS REPORT © Ontario Power Generation Inc., 2021. This document has been produced and distributed for Ontario Power Generation Inc. purposes only. No part of this document may be reproduced, published, converted, or stored in any data retrieval system, or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of Ontario Power Generation Inc. Darlington New Nuclear Project Commitments Report NK054-REP-01210-00078-R006 2021-02-17 Order Number: N/A Project ID: 16-27600 OPG Proprietary Prepared by: [Electronic Signature] Robin Ahmed Date University Student New Nuclear Development Reviewed by: [Electronic Signature] Constantin Bibire Date –Senior Technical Engineer New Nuclear Development Approved by: [Electronic Signature] Tho Dien Le Date Manager - DNNP New Nuclear Development Associated with document type REP N-TMP-10010-R010, Controlled Document or Record (Microsoft® 2007) OPG Proprietary Document Number: Usage Classification: Report NK054-REP-01210-00078 N/A Sheet Number: Revision Number: Page: N/A R006 2 of 169 Title: DARLINGTON NEW NUCLEAR PROJECT COMMITMENTS REPORT Table of Contents Page Revision Summary ...................................................................................................................... 3 1.0 INTRODUCTION .......................................................................................................... 6 1.1 Overview of Commitments Management ...................................................................... 6 2.0 REPORT ORGANIZATION .......................................................................................... 7 2.1 Commitments ............................................................................................................... 7 2.2 Description of the Sections in the Deliverable Tables ................................................... 8 3.0 COMMITMENT TRACKING AND FOLLOW-UP REPORTING .................................. 12 3.1 Commitments ............................................................................................................. 12 3.2 Revisions .................................................................................................................... 12 3.3 Annual Reporting ........................................................................................................ 13 4.0 DEFINITIONS AND ACRONYMS............................................................................... 13 4.1 Definitions ................................................................................................................... 13 4.2 Abbreviations and Acronyms ...................................................................................... 13 5.0 REFERENCES ........................................................................................................... 14 Appendix A: All Phases ...........................................................................................................28 Appendix B: Site Preparation Phase........................................................................................32 Appendix C: Construction Phase ........................................................................................... 122 Appendix D: Operation Phase ............................................................................................... 163 N-TMP-10010-R010 (Microsoft® 2007) OPG Proprietary Document Number: Usage Classification: Report NK054-REP-01210-00078 N/A Sheet Number: Revision Number: Page: N/A R006 3 of 169 Title: DARLINGTON NEW NUCLEAR PROJECT COMMITMENTS REPORT Revision Summary Revision Number Date Comments R006 2021-02-12 • Revision made to update documents under D-P-1.1 to D-P- 1.21 and D-P-6.1 (pages: 19 to 21, 32 to 35 and 64) as a result of transitioning DNNP Management System to OPGN Management System. With respect to D-P-1.1 deliverable, OPG project governance, OPG-PROG-0039, “Project Management Program“ and OPG-STD-0148 “Project Management Standard” now call for a Project Management Plan instead of a Project Execution Plan, hence the replacement of NK054-PEP-01210-00001 DNNP Project Execution Plan. • Revise details for D-P-1 (pages 35 & 36) as a result of transitioning DNNP Management System to OPGN Management System. • Revise the timeline for submission to CNSC for the deliverables under D-P-1 from 60 to 90 days prior to commencement of PRSL licensed activities. R005 2020-11-06 • Revisions made throughout Site Preparation Phase commitments to align references with PRSL Renewal Plan (NK054-PLAN-01210-00004), including replacement of obsolete CNSC regulatory references and updates of code effective dates for CSA standards. Construction and Operation Phase commitments will be updated at later licensing stages. • Revisions made to references not listed in the PRSL Renewal Plan throughout Site Preparation commitments to align with current publications. • Added the Closure Response and updated the Deliverable Status for Commitments D-P-1.22 and D-P-1.23 as per CNSC’s acceptance provided in NK054-CORR-00531-10556. R004 2020-06-30 • Revised Section 1, Introduction, to capture OPG commitments as a result of 2020 PRSL renewal application. • Revised commitments D-P-3.7, D-P-9.4 and D-C-3.1 as a result of 2020 PRSL renewal application. • Added D-P-18, as a new site preparation commitment, as a result of 2020 PRSL renewal application. • Minor editorial updates. • References updated. R003 2019-04-18 • Revisions made throughout document. • Incorporated CNSC Comments as per OPG’s responses, detailed in Attachment to OPG Letter, NK054-CORR-00531- 10475. N-TMP-10010-R010 (Microsoft® 2007) OPG Proprietary Document Number: Usage Classification: Report NK054-REP-01210-00078 N/A Sheet Number: Revision Number: Page: N/A R006 4 of 169 Title: DARLINGTON NEW NUCLEAR PROJECT COMMITMENTS REPORT • Added the Deliverable Status for each deliverable. • Added the Closure Response (if Deliverable Status is Closed) section for closed deliverables. • Added Section 3.2 Revisions. • Revised the Closure Criteria (To Who and When) and Deliverable Commitment Details for D-P-13.1, Preliminary Decommissioning Plan, and D-P-13.2, Financial Guarantee. • Updated reference of New Nuclear at Darlington (NND) to Darlington New Nuclear Project (DNNP) R002 2014-03-25 • Revisions made throughout document. • Incorporated CNSC Comments detailed in Attachment to CNSC Letter. NK054-CORR-00531-00251. R001 2013-04-23 • Revisions made throughout document. • Editorial changes and corrections made throughout document, as appropriate. • Incorporated CNSC comments as per OPG’s responses detailed in Attachment to OPG Letter, NK054-CORR-00531- 10014 and as outlined below. • Clarification provided in Section 2.2 under “Closure Criteria (To Who and When)” with respect to completion of a deliverable when it is submitted to a regulatory agency for review and acceptance. • Revised Table 3 to include an additional column indicating “Support from”. This column indicates the other regulatory agencies that are acknowledged in the Government of Canada Responses to JRP recommendations as available to assist, upon request, in the implementation of the recommendation. • Re-numbered the following deliverables in response to CNSC comments: o Deliverable D-O-2.1 Radioactive Waste Management Plan re-numbered as D-C-9 Radioactive Waste Management Plan. o Deliverable D-O-3 Nuclear Emergency Plan re-numbered as D-O-2 Nuclear Emergency Plan. o Deliverable D-O-4 Monitoring Program for Phase 4 St. Marys Cement Blasting Operations re-numbered to D-O-3 Monitoring Program for Phase 4 St. Marys Cement Blasting Operations. • For all deliverables, the Closure Criteria (To Who and When”) revised from “provide to CNSC for information” to “provide to the CNSC for review and acceptance” with the following exceptions: o D-P-3.11 EPC Plan to address potential new discoveries of Physical and Cultural Heritage Resources N-TMP-10010-R010 (Microsoft® 2007) OPG Proprietary Document Number: Usage Classification: Report NK054-REP-01210-00078 N/A Sheet Number: Revision Number: Page: N/A R006 5 of 169 Title: DARLINGTON NEW NUCLEAR PROJECT COMMITMENTS REPORT o D-P-8 EPC Level 1 and Level 2 Project Management Plan o D-P-9 Site Geotechnical and Seismic Hazard Investigation Program o D-P-10 EPC Traffic Management Plan o D-P-11 Archaeological Excavation Reports o D-P-17 Communications, Consultation and Stakeholder Relations Program/Plan • Incorporated CNSC’s revised timeframe of “no later than 3 months” for submitting various plans/procedures to the CNSC for review and acceptance throughout document, as appropriate. • Revised D-P-3.11 EPC Plan to address potential new discoveries of Physical and Cultural Heritage Resources to provide the plan to MTCS for review and acceptance. Should a licensed archaeologist be contracted to prepare the Plan, it is incumbent on the archaeologist to provide the Plan to the MTCS for acceptance, as appropriate • Removed all cross references to the EMEAF (Environmental Monitoring and Environmental Follow-up) Plan in Deliverable D-P-12 Environmental Monitoring and Environmental Assessment Follow-up as OPG has decided not to progress with the EMEAF Plan until an EPC has been selected. • Added “Methodology Reports” to the title of each sub- deliverable in Deliverable D-P-12 Environmental Monitoring and Environmental