Canada Nuclear Program Instrumentation and Control 2017 IAEA TWG-NPPIC Meeting, Vienna, Austria Lawrence Yu

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1 Canada Nuclear Program Instrumentation and Control 2017 IAEA TWG-NPPIC Meeting, Vienna, Austria Lawrence Yu May 24, Copyright -

2 Presentation Outline Nuclear Power in Canada I&C Activities Update NPP Refurbishments NPP New Builds Product Development I&C Standards Recommendations for IAEA [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 2

3 Nuclear Power in Canada Nuclear provides ~15% of Canada s electricity 19 reactors in operation (13.5 GWe) at 4 sites in Ontario & New Brunswick Bruce: 6,238 MWe (8 units) Darlington: 3,524 MWe (4 units) Pickering: 3,094 MWe (6 units) Point Lepreau: 635 MWe (1 unit) [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 3

4 Nuclear Power in Canada Key Players National Regulator: Canadian Nuclear Safety Commission (CNSC) NPP Operators: Ontario Power Generation, Bruce Power, New Brunswick Power Organization of Canadian Nuclear Industries (OCNI): Association of over 200 leading Canadian suppliers to domestic and global nuclear industry Atomic Energy of Canada Limited (AECL) and Canadian Nuclear Laboratories (CNL): Nuclear Science and Technology Research Reactor and Isotope Supply Facility Decommissioning and Waste Management SNC-Lavalin Group - Nuclear Business Unit: New Build Projects Life Extensions Services [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 4

SNC-Lavalin Group - Nuclear Business Unit: Advancing the CANDU Tradition SNC-Lavalin Group is one of the leading engineering, procurement and construction management firms in the world with offices

was established in 2011 to acquire the commercial reactor business of AECL In 2014, Candu Energy and SNC-Lavalin Nuclear were integrated into a single nuclear business unit under a single management

5 SNC-Lavalin Group - Nuclear Business Unit: Advancing the CANDU Tradition SNC-Lavalin Group is one of the leading engineering, procurement and construction management firms in the world with offices in over 50 countries Candu Energy Inc. was established in 2011 to acquire the commercial reactor business of AECL In 2014, Candu Energy and SNC-Lavalin Nuclear were integrated into a single nuclear business unit under a single management team. 1,000 engineers, scientists, procurement & project management experts offering a full spectrum of services for all reactor technologies SNC-Lavalin has the exclusive rights to all aspects of CANDU technology, enabling it to continue CANDU-related businesses in Canada and internationally [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 5

SNC-Lavalin Group - Nuclear Business Unit Business Lines Life Extension New Build O&M Services Embalse in Argentina

(Atucha) Advanced Fuel Cycle CANDU Reactor (AFCR) in China Cernavoda units 3&4 project in Romania EC6 CANMOX project in the

nuclear industry Other Services and Products Decommissioning and Waste Management Light Water Reactor Services Small Modular

6 SNC-Lavalin Group - Nuclear Business Unit Business Lines Life Extension New Build O&M Services Embalse in Argentina Darlington in Ontario Bruce in Ontario Long term: Wolsong -Korea Qinshan -China Cernavoda -Romania IV CN Project in Argentina (Atucha) Advanced Fuel Cycle CANDU Reactor (AFCR) in China Cernavoda units 3&4 project in Romania EC6 CANMOX project in the United Kingdom O&M services with 8 CANDU utilities in Canada and abroad Supply of safety and operational products to global nuclear industry Other Services and Products Decommissioning and Waste Management Light Water Reactor Services Small Modular Reactor Services [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 6

Ontario, Canada 18 units Romania 2 units

unit, undergoing life extension Candu new

7 Existing and Emerging CANDU Markets New Brunswick, Canada 1 unit India 2 CANDU units 16 PHWR* units in operation and 4 under construction South Korea 4 units Ontario, Canada 18 units Romania 2 units Pakistan 1 unit China 2 units Argentina 1 unit, undergoing life extension Candu new build opportunities in existing markets (Argentina, China and Romania) and new markets (Malaysia, Poland and the UK) [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 7

The CANDU Power Reactor Features: Heavy water coolant and moderator

as fuel Superior performance - average lifetime Capacity Factor (CF):

bundle Calandria tube Pressure tube [2017] SNC-Lavalin Group and its

8 The CANDU Power Reactor Features: Heavy water coolant and moderator On-power refueling Mid size - modular design (740 MWe) Natural Uranium as fuel Superior performance - average lifetime Capacity Factor (CF): 88% worldwide Fuel cycle flexibility CANDU Fuel Channel Assembly Fuel bundle Calandria tube Pressure tube [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 8

AFCR technology further, and build AFCRs in China and internationally Recycled Uranium from 4 PWRs can fuel 1

9 Advanced Fuel CANDU Reactor (AFCR ) AFCR forms a strong synergy with China s existing nuclear program In September 2016, SNC-Lavalin signed an agreement in principle for a Joint Venture with CNNC and SEC to develop AFCR technology further, and build AFCRs in China and internationally Recycled Uranium from 4 PWRs can fuel 1 AFCR [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 9

EC6 CANMOX In 2015, the EC6 CANMOX reactor was confirmed as one of three

decision The project is for a 4 unit EC6 CANMOX facility with associated fuel

10 EC6 CANMOX In 2015, the EC6 CANMOX reactor was confirmed as one of three potential technologies for disposition of the UK s 140 tonnes of civilian plutonium. SNC-Lavalin is finalizing a 4-year framework contract to support procurement decision The project is for a 4 unit EC6 CANMOX facility with associated fuel fabrication facility. CANMOX Cutaway [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 10

Major Component Replacement Project to extend life of Units 3 to 8 Retube and feeder replacement Steam generator

11 Life Extension Darlington Refurbishment Darlington Refurbishment Sequence Retube and feeder replacement Turbine control system replacement Bruce Refurbishment Life extension began in 2016 and will continue through 2053 Includes Major Component Replacement Project to extend life of Units 3 to 8 Retube and feeder replacement Steam generator replacement [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 11

12 I&C Activities Update

13 Dealing with Obsolescence Sourcing Strategies Like for Like components Components based on modern technology with same functionality as existing components Components based on modern technology with new functionality For obsolete components, the following approaches have been used: Use a qualified digital platform to emulate functionality of existing system Develop a new digital device to implement design improvements Qualification of any embedded software or application software within the device/system required [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 13

14 NPP Refurbishment - I&C Obsolescence Assessment and Replacement Sourcing of safety and seismically qualified I&C component replacements Replacement of obsolete analog systems and relay components with PLC systems and other digital platforms Replacement of existing digital control and display systems Some qualification considerations: Additional and/or different failure modes and effects associated with digital systems Use of Commercial Off-the-Shelf digital platforms Cyber security measures Human Factors associated with user interfaces Security of spare component supply for the remaining plant life [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 14

15 NPP Refurbishments Equipment Health Monitoring Equipment health monitoring for select critical components aimed at detecting degradations prior to failure Installation of plant-wide data communications network Provides infrastructure upon which health monitoring data can be transmitted Supports aggregation of data without interfering with existing I&C, and control and data acquisition systems [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 15

16 Bruce Power Refurbishment Recent I&C Initiatives Overall I&C Modernization Strategy Assessment Assessed state of current I&C systems, proposed upgrade alternatives, and performed cost-benefit analyses Benefits of a full DCS solution include: Increased plant performance from operational support systems, Greater access to equipment diagnostics and health status, Improved operability features, Long term maintainability, Improved reliability via distributed functions in separate partitions, Cable aging management savings due to use of remote I/O. [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 16

17 Bruce Power Refurbishment Recent I&C Initiatives ctd. Feed, Bleed, & Relief System Digital Upgrade Replacing discrete analog components used to perform control functions with a computer-based control system Considered initial phase in overall I&C modernization Cyber Security Assessment Applied cyber security assessment methodology as per CSA standard N : Performed vulnerability assessment to determine cyber security safety rating and relevant device features Performed gap assessment to determine device risk levels to attack and identify mitigating measures Startup Instrumentation Design Developing design using fission chambers to be raised/lowered into (spare) vertical flux detector locations during reactor shutdowns [2016] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 17

18 Recent/Ongoing CANDU NPP I&C Upgrades Embalse Life Extension Replacement of plant digital control computers FPGA-based frequency to current converter module for PHT pump speed safety system trip Digital upgrade of Fuel Handling Interlocks system Digital upgrade of Main Control Room window annunciators Sourcing of I&C safety (and seismically) qualified components: Meters, current alarm units, protective and control relays, transmitters Wolsong 1,2,3,4 In-Core Flux Detector Amplifier Replacement Qinshan 1, 2 Plant Display System upgrade based on Advanced Control Centre Information System (ACCIS) Darlington Shutdown Systems Computer Replacement Project [2016] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 18

19 I&C for New Builds

20 New Build I&C Design Enhancements Compliance with latest Canadian regulatory requirements and applicable codes and standards Standards-based development framework Programmatic considerations such as Human Factors and Cyber Security Improvements to enhance plant safety margins Changes to address Fukushima Lessons Learned Changes to address obsolescence Improvements to address operational experience feedback Improvements for higher plant performance, reduced capital costs and more economic life-cycle operation [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 20

21 Enhanced CANDU 6 (EC6) Overall I&C Architecture Safety Systems Secondary Control Room Main Control Room Two fully capable, independent, diverse trip systems Separate from Control Systems HW Panel Devices & SMS Displays (G2 & Limited G1) Single PDS Workstation HW Panel Devices & SMS Displays (G1 & G2) Multiple PDS Workstations & Soft Panel Devices Cooling and Containment independent from trip Safety Monitoring System SPDS functions Distributed Control System SMS Gateways G2 G1 PDS Gateways Essential Control Subsystem Plant Control Subsystem Safety Systems ECSS PCSS Plant Display System G2 G1 G1 G2 Multiple Partitions MCR and SCR panels Safety panels Control panels Safety Equipment (Sensors/Actuators) Electrical Isolation Devices Process Equipment (Sensors/Actuators) LEGEND Signal Wiring Class 1 SMS LAN Class 2 [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or PDS reproduction LAN is prohibited. Class 3 21

22 EC6 - Control Centre Safety panel changes safety system testing Production panel / MOC improvements 22 - Copyright- [2015] SNC-Lavalin Inc. and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited.

Role of Control Centre Mock Up Facility Fully functional CANDU 6 virtual control room with plant simulator Full scale interactive panels DCC Emulator APIs developed for interface with display and

23 Role of Control Centre Mock Up Facility Fully functional CANDU 6 virtual control room with plant simulator Full scale interactive panels DCC Emulator APIs developed for interface with display and control systems Individual system usability testing / reviews demonstrate design correctness from an HF standpoint Lab for integration and proofs-ofconcept for various technologies Confirms faithful reproduction of control programs Training of engineers [2016] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 23

24 Key I&C Upgrades for IV CN (Atucha) New Build Use of a distributed control system (DCS) for overall plant control for the nuclear steam plant Implementation of a safety parameter display system (SPDS) Use of a digital platform to implement portions of emergency core cooling system logic Implementation of shutdown systems in diverse digital platforms Computer assisted safety system testing Remote gain calibration of in-core flux detector amplifiers Implementation of Operational Support Systems to make use of enhanced system monitoring functions provided by a DCS [2016] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 24

25 I&C Product Development Update

Development of Engineering Simulator C6SIM To provide accurate prediction of dynamic behaviour of the CANDU 6 reactor To provide functional validation and optimization for control algorithms To

26 Development of Engineering Simulator C6SIM To provide accurate prediction of dynamic behaviour of the CANDU 6 reactor To provide functional validation and optimization for control algorithms To permit analysis of performance of specific components such as: Steam generator and pressurizer, Effect of refuelling on reactivity devices To provide analysis and diagnosis of problems reported by CANDU stations in a timely manner with high confidence [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 26

ACCIS SCADA System High Safety Pedigree Qualified for

Supervisory Control, Display, Monitoring and

Data Management Computer-Based Procedures Used in

safety applications [2017] SNC-Lavalin Group and its

28 ACCIS SCADA System High Safety Pedigree Qualified for Class 2 and Class 3 QNX-based, POSIX Compliant Supervisory Control, Display, Monitoring and Annunciation Data Acquisition Interfaces Historical Data Management Computer-Based Procedures Used in CANDUs and also in PWRs (New Builds and Retrofits) for safety applications [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 28

instrument that measures displacement to 1 µm accuracy Portable and can be operated by a single worker Can heat cable during testing for

29 Advanced Portable Polymer Tester Next-generation tool recognized by IAEA for performing in-situ condition assessments of NPP cables Uses cable indenting techniques to determine cable life Only tool that measures both Indenter Modulus and Recovery Time parameters Precision instrument that measures displacement to 1 µm accuracy Portable and can be operated by a single worker Can heat cable during testing for more consistent readings [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 29

30 CNL Nuclear Cyber Security Initiative Objective: Define technology roadmap and develop capabilities in nuclear industrial control system cyber security Key Milestones Commission a nuclear cyber security testing facility by 2018 Commercialize and deploy nuclear industrial control cyber intrusion detection and mitigation system by 2022 Value: $75 million over 10 years [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 30

31 I&C Standards Update

32 Canadian Standards Association (CSA) Technical Committee on Reactor Control Systems, Safety Systems, and Instrumentation for Nuclear Power Plants Standards recently published N Qualification of Digital Hardware and Software for use in I&C Applications for NPPs N Human Factors in Design for NPPs N290.6 Requirements for Monitoring & Display of NPP Safety Functions in the Event of an Accident N Requirements for Beyond Design Basis Accidents N290.5 Requirements for Electrical Power & Instrument Air Systems of CANDU NPPs N290.8 Technical specification requirements for nuclear power plant components [2016] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 32

33 Canadian Standards Association (CSA) I&C Standards currently under revision N290.4 Requirements for Reactor Control Systems of NPPs N290.7 Cyber security for NPPs and small reactor facilities N Environmental Qualification of Equipment for CANDU NPPs [2016] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 33

34 Recommendations for future IAEA work Harmonization of international standards for Cyber Security Qualification of important to safety I&C equipment Reliability testing (statistical) for safety systems Control Centre Design Guidance VDU-based control room operating experience VDU-based designs for annunciators Digitization, Integration of Hard and Soft Controls, Minimum Inventory of HSIs Equipment Survivability Assessment Methodology in BDBA/Design Extension Conditions I&C for Small Modular Reactors (control philosophy, control centre staffing, etc. [2017] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 34

35 Values that guide us Our values keep us anchored and on track. They speak to how we run our business, how we express ourselves as a group, and how we engage with our stakeholders and inspire their trust. Teamwork & excellence We re innovative, collaborative, competent and visionary. Customer focus Our business exists to serve and add long-term value to our customers organizations. Strong investor return We seek to reward our investors trust by delivering competitive returns. Health & safety, security and environment We have a responsibility to protect everyone who comes into contact with our organization and the environment we work in. Ethics & compliance We re committed to ethical business. Respect Our actions consistently demonstrate respect toward our stakeholders. [2016] SNC-Lavalin Group and its member companies. All rights reserved. Unauthorized use or reproduction is prohibited. 35

Achieving CANDU Excellence Through Collaboration

COG Official Use Only Excellence through Collaboration Nuclear Power Generation for the Next Decade: Challenges and Solutions for 2015-2025 Achieving CANDU Excellence Through Collaboration A CANDU Owners