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Topic: MiniSim – A Desktop PWR Simulator running in MS Excel
Overview: Of course it’s important to have high fidelity simulators within the nuclear industry. These are mostly used for Operator training; but what about everybody else? Time on the full scope simulators is precious, and without preparatory training, experience of these simulators can simply be overwhelming. The MiniSim was developed to address this gap. It is portable, customisable, and easy to understand with just a few minutes’ introduction. It is available for anyone on the Station to use, and can be shared with Universities to supplement their courses.
MiniSim was recognised by IAEA as a ‘Good Practice’ during Sizewell B’s 2015 OSART (Operational Safety Review Team) review. This talk will briefly explain the origins and operation of the MiniSim but will concentrate on practical demonstration e.g. steady PWR (MiniSim) operation, transients, fault response etc.
Colin Tucker is currently the Nuclear Safety Group Head at Sizewell B. The role of the Nuclear Safety Group is primarily an advisory one, ensuring that the station stays within the bounds of the current Sizewell B safety case, and that the safety case is maintained up to date with developments worldwide. Some of the group’s time is spent in monitoring performance of the reactor and they are generally the first-point-of-contact for regulator queries.
Colin studied Physics at London University and started his career in the Reactor Physics group at Hinkley Point ‘A’ before moving to Sizewell B’s Training Centre in 1995. He has worked within the Nuclear Safety Group at Sizewell B since 1998, specialising in development of the Technical Specifications (Operating Rules). This led to an involvement with the conversion of the AGR Operating Rules into the current Technical Specifications format. Colin took over leadership of the Sizewell B Nuclear Safety Group in 2016. He is a Chartered Physicist and is a qualified Guard and Signalman on the Ffestiniog Railway.
Topic: How can big judgements meet the challenges of small data
Overview: How to make better decisions in the absence of data? The answer is by using expert judgements. This presentation aims to introduce the most mathematically rigorous method, which gathers, evaluates and combines expert judgements in a structured and rigorous manner. The method is called the Classical Model for performing structured expert judgement. The Classical Model for Structure expert judgement has been successfully used in numerous applications that span over a variety of areas, including climate change, nuclear safety, chemical and gas industry, civil engineering, aerospace engineering, natural disasters, etc.
Tina Nane is an Assistant Professor of Applied Probability, at Delft Institute of Applied Mathematics (DIAM) since 2015. Her current research primarily focuses on uncertainty quantification and analysis, both data-driven and by employing expert opinions, both from an applied, as well as from a theoretical perspective. The structured expert judgement applications span over a variety of areas, including source attribution of food and waterborne illnesses in U.S., dike failure assessments in The Netherlands or citation analysis.
She is the responsible lecturer for BSc and MSc courses in decision theory and structured expert judgement and has conducted training workshops for structured expert judgement methods.
Tina has a PhD in Statistics and a cum laude MSc in Risk and Environmental Modelling from Deft University of Technology. Her MSc project focused on the risk assessment of merging and spacing airborne protocols. This work was the result of a close collaboration with NASA Langley Research Centre. The project was not only Tina’s first encounter with a concrete application of uncertainty quantification and the use of structured expert judgement, but also an opportunity to hold and organise uncertainty quantification training workshops for NASA. This triggered an ongoing academic interest and a strong passion for knowledge dissemination.
Topic: Design and development of an outage planning and risk management tool
Overview: Jacobsen Analytics has been working with Sizewell B to develop a qualitative model within RiskWatcher to be used for outage planning and management. The tool is effectively a Tech Spec compliance tool based on Defence in Depth Principles. The requirements of the end user have been carefully considered when designing how the information should best be presented, as well as defining what is ‘acceptable, elevated, unacceptable’ risk. The risk metrics and end state criteria have been developed to communicate risk in an effective way, so that appropriate actions can be taken on site when necessary.
Ruth Freedman is an experienced practitioner in Probabilistic Safety Analysis (PSA) with 9 years’ experience, with a particular focus on risk monitor development and Level 3 PSA. Ruth has supported the development and maintenance of the quantitative and qualitative Sizewell B RiskWatcher model since 2011.
Topic: Keeping information flowing during the mayhem of a crisis
Overview: The importance of using the technology available to keep information flowing during a crisis cannot be overstated. Organisations have no excuse for leaving an information vacuum where people are left to get their information on an incident from rumours and social media.
Critical National Infrastructure organisations are being continually targeted by hackers who want to cause chaos at a national level. The majority of cyber attacks result in a failure or compromise of telecoms: meaning that, if a cyber attack is successful, the energy industry needs a back-up source of communications in order to manage the crisis effectively.
Richard will be talking about how people should be informed as an incident develops, how to put your employees first and be well prepared for crisis communication.
Richard Stephenson is the CEO of YUDU Sentinel. Over the past 10 years, Richard has overseen the growth of the company to become a global leader in cloud-based document distribution and corporate communications.
Richard has been running technology led international businesses for the past 30 years and completed his first private equity backed MBO in 2001. Richard past roles include being an Operating Partner with Duke Street Capital, Chairman of Xafinity Holdings Ltd, President of the Supervisory Board of Navimo S.A. and Chairman of Deloro Stellite Ltd. Richard frequently presents on communications technology and a people-centred approach to crisis management.
Topic: What do senior management really need to know about safety? Towards an Executive level Safety Dashboard.
Overview: A three year study of safety dashboards used at Executive level (CEO and Directors) of seven air traffic organisations led to the development of a safety dashboard for one of the largest air traffic service providers in Europe.
This presentation will cover the background to the study, including the ‘do’s and don’ts’ of developing safety dashboards, and the inter-relation between safety dashboards and other forms of safety intelligence used to keep aviation organisations safe.
Barry started his career as a psychologist and Human Factors specialist, working first as a consultant, and then as a team leader in accident prevention in the nuclear, oil and gas, and maritime sectors, including working at several UK nuclear sites as well as spending short spells on oil rigs and floating production vessels. He then taught Human Factors at Birmingham University for five years, before becoming Head of Human Factors at National Air Traffic Services, the UK’s major air traffic services provider.
In 2000 he moved to EUROCONTROL, where he worked on a range of Human Factors and safety issues. In particular, following two tragic aviation disasters in Europe, he initiated and ran the European Safety Culture Programme for a decade, which now involves more than thirty countries who carry out periodic safety culture surveys.
More recently, he has been involved with the Future Sky Safety programme, spreading the safety culture approach to airlines, airframe manufacturers and airports, as well as developing new safety intelligence approaches including the use of safety dashboards. The most innovative aspect of this programme is known as the Luton Stack, which involves a cluster of organisations at a single airport location working together to improve safety intelligence and safety culture.
Topic:The management of residual risk induced by extreme events
Overview: Following the events at the Fukushima-Daiichi plant in March 2011, a large exercise was started in many countries to reassess the design of nuclear power plants against site-specific extreme natural hazards. The consensus was that a stress test covering more extreme natural events should be considered.
Following those stress tests, additional backup sources of electrical power and supply of water have been made available, the plant’s defences against natural hazards such as floods and earthquakes have been strengthened, and additions have been made to the design of some reactors in order to cope with situations where all those provisions would still not be enough. Perhaps the most visible addition made to many of the plants is the Filtered Containment Venting System (FCVS).
However, these systems still produce a significant release as the price to pay for averting potentially bigger consequences. Furthermore, the decision to make this significant release is a deliberate one and needs to be carefully justified. This presentation will discuss the implications for operators and regulators of managing residual risk through FCVS and the elements that need to be carefully balanced by the utilities when considering the installation of a FCVS to increase the resilience of their plants.
Dr Gustavo Rubio Antón is a safety engineer with 11 years of experience in the nuclear field. He has worked in the enhancement of the safety of nuclear power plants following the events in Japan in 2011 and as a consultant for companies involved in the licensing and construction of large reactors.
He delivered a techno-economic assessment of SMR technology for the UK government that paved the way for subsequent policy decisions and the launching of the current Advance Modular Reactor competition.
Today Dr Rubio Antón works for Bel V, The Technical Support Organisation of the Belgian Federal Authority for Nuclear Control as safety analyst and project manager in the regulatory control of the Belgian fleet of PWR reactors. In Bel V he also leads the regulatory assessment of the MYRRHA reactor, a proposed multi-purpose accelerator driven fast reactor cooled by lead bismuth eutectic.
Topic: Investigating beyond Swiss Cheese and Dominoes: CAST Accident Analysis Overview.
Overview: Traditional approaches to accident investigation & analysis typically treat Accidents as being due to linear chains of events or due to breached barriers.
Unfortunately, the world is a little bit more complicated than that and this is where the Systems Theoretic Accident Model and Processes (STAMP) approach expands upon this traditional view by treating Accidents as complex, dynamic processes.
In this presentation, learn about the Accident Analysis process based upon STAMP, known as CAST: Causal Analysis based on Systems Theory, in the context of an aircraft accident: British Airways Fan Cowl Door Loss (G-EUOE).
This talk will briefly address: Human factors, equipment design, operations and emergency response, along with the broader Systems Thinking aspects that enable the identification of more causes of accidents and opportunities to make Systems safer.
Simon is a System Safety Engineering Consultant and the Director of Whiteley Aerospace Safety Engineering & Management Limited.
Simon has worked across all parts of the Engineering, Product & Project Lifecycle, across a variety of industries, with a number of high profile organisations, predominantly in the Design & Development phase of the Civil & Defence Aerospace domain (large multi-engine, fast jet & rotary aircraft), Air Traffic Control, Weapon Systems, Defence Maritime, Defence Nuclear, Armoured Automotive, Healthcare, Government IT, Pharmaceuticals & Rail.
Simon is developing expertise in the Unmanned Air Systems, Autonomous Vehicles & CyberSecurity domains.
Simon helps people & organisations learn and apply the STAMP-based approaches across the whole Lifecycle, with a particular focus on Accident & Incident Investigation using CAST.
Simon is embracing the power of social media, the internet and online video to provide learning & support to broad, multi-domain, global audiences.
Topic: EXTREME EVENT ANALYSIS – Examine plant robustness against the impact of extreme events
Overview: The Fukushima Daiichi accident revealed the gaps in safety assessment methods and highlighted the need to develop complementary safety assessment methodologies and tools to evaluate the impact of extreme events on nuclear power plants.
Considering the existing safety assessment methods, Lloyd’s Register Sweden developed a value-added tool (the RiskSpectrum® Extreme Event Analyzer (EEA)) to systematically analyze the accident scenarios which are not explicitly addressed in the design extension conditions using integrated deterministic and probabilistic approaches.
The tool is based on Fault Sequence Analysis (FSA) methodology developed by International Atomic Energy Agency (IAEA) and verified by application on Goesgen-Daeniken NPP (Switzerland) and Armenian NPP (Armenia).
This presentation will be based on the benchmarking study “Extreme Event Analysis – an application of RiskSpectrum® EEA at Armenian NPP” performed under co-operation project between Lloyd’s Register Sweden, Nuclear and Radiation Safety Center and Armenian Nuclear Power Plant (ANPP). The purpose of the study was to perform a comprehensive and systematic assessment of robustness and vulnerability of the plant against the impact of extreme events using EEA tool. In general, performed investigation allowed to conclude that FSA method and RiskSpectrum EEA are useful and efficient tool for complementary safety analysis. The presentation will include the development of RiskSpectrum® EEA, its application, benchmarking results and benefits.
Manorma is a Principal Consultant (Nuclear) with 15 years international experience in academic, power plant generation and nuclear consultancy. Her key experience is in Nuclear Safety, Licensing, Deterministic and Probabilistic Safety Assessment (DSA and PSA) for Generation II, III and III+ reactor design Nuclear Power Plants (NPPs).
Presently, she is with Lloyd’s Register Sweden, where she is working on Swedish nuclear projects, responsible for European Spallation Source as a Key Account Manager and leading Lloyd’s Register Nuclear Academy (Trainings). Her work experience includes European Union Research and Development (R&D) project on extended PSA (ASAMPSA_E) as a Work Package Leader (coordinated >25 EU technical organizations and universities). Also, lead author of reports on ‘Lessons of the Fukushima Dai-ichi accident for PSA’ and ‘Level 2 PSA shutdown states, spent fuel pool and recent R&D’. She has project leader experience working with international nuclear regulators, like Canadian Nuclear Safety Commission (CNSC) Canada on probabilistic risk assessment for transportation of radioactive waste. Together with IAEA, she worked on research project Extreme Event Analyzer (EEA) application at Armenian nuclear power plant and its benchmarking with IAEA tool and development. She is participating and delivering presentations in various IAEA technical meeting and workshops, European Commission meetings and workshops, Nordic castle meetings and BWR club activities. With R&D projects, she has project management experience from a large project funded by European Commission in Ukraine.
Previously, she worked as Nuclear Safety Engineer in the area of PSA, safety cases and licensing for both operating nuclear power plants and nuclear new build projects with Atkins Ltd., UK and AMEC Nuclear Ltd, UK. In addition, she worked in Finland with Finnish and European nuclear new build projects as a Project Leader.
Topic: Sharing engineering data for the public good
Overview: Sharing and reusing data can provide safety benefits for both the public and for employees in engineering, infrastructure and energy sectors.
Deborah is a data governance specialist with experience of leading culture change in the public sector, at organisations such as the Environment Agency and DEFRA. Deborah’s passion for data stems from her practical experience in applying data policy and seeing the great potential to achieve so much more when data is as open as possible.
Topic: Robotics and AI in Extreme Environments: Business as usual or a challenge for risk assessment and regulation?
Overview: Robotics and AI are rapidly developing and becoming increasingly common in our society. For extreme environments, e.g. Oil and Gas, Deep Oceans, Space or Nuclear they promise safer working, increased efficiency and capabilities in inaccessible and hostile evironments. However, before we deploy these intelligent and potentially autonomous systems there are number of key questions that remain to be answered:
Can we trust them? Can we validate and verify the behaviour of the complex systems? Can we regulate them? How can we perform risk assessments on their deployment and operation? Are the answers to these questions and others ‘business as usual’ or is there a new challenge?
Walt Aldred worked for the Schlumberger organisation for 36 years in the research, development and field application of drilling technologies, combining real world field experience with product development and fundamental research.
From 2002 Walt was Research Director and Scientific Advisor for drilling at the Schlumberger Gould Research Centre in Cambridge, where he built and led a team to develop a new generation of drilling systems capable of intelligent and autonomous operation in the extreme and hazardous subsurface environment. The development of a viable technology stack required the development of novel technologies, the integration of existing oilfield technology and the transfer and adaptation of technologies from other sectors such as space, nuclear and defence.
Walt is widely recognised in the Oil and Gas industry particularly for his vision and leadership in changing the Oil and Gas drilling industry’s perception and attitude to autonomous systems, which are now being commercialised.
In 2016 Walt retired from Schlumberger to set up AsheTech, a technology consulting company. In addition to consulting on oilfield technology, he currently chairs the Industrial Strategic Challenge Fund for Robotics in Extreme Environments for UKRI, industrial chair for EDURAS Edinburgh Robotics Center for Doctoral Training, is a governing council member of the Assuring Autonomy International Programme, and regularly consults for the Norwegian Science Council on technology project evaluation. He holds 20 patents in the UK and US.
Topic: Understanding Risk in Deterministic Safety Assessment
Overview: It has become the norm in the nuclear industry for Deterministic Safety Assessment (DSA) to be the main influence on ALARP decisions compared to Probabilistic Safety Assessment. However, as DSA can often be carried out in an extremely conservative nature, are balanced ALARP decisions being taken? Rolls-Royce is pursuing a number of approaches to safety cases that are challenging the norm, through a greater understanding of the risk associated with DSA. Examples will be discussed along with the challenges with gaining approval with regulators.
Tony Rice has 21 years of experience working for Rolls-Royce within the Submarines Enterprise. He has produced safety cases covering the full nuclear life cycle, from Pressurised Water Reactor (PWR) design, core manufacture, core load, commissioning, through life operation, refuel and post commission. Tony led the Dreadnought Class nuclear safety case from inception through to final design and Pre-Construction Safety Report. He is currently the Chief of Safety Engineering and Department Manager, responsible for the technical delivery of safety cases to the MoD to support the Submarine programme, both current class and new designs. He is a co-chair of the industry wide SDF Safety Case Forum.
Topic: Depicting the uncertainty of Human Factors data
Overview: Although Human Reliability Analysis is usually considered a ‘soft science’, the variability of the results such as human error probabilities can be tackled by using the proper tools. Caroline will outline the strengths and pitfalls of the types of data used and the types of tools to extract human error information from them.
Caroline is researching tools to enhance and measure the application of Human Factors’ practices, in industries with many human-machine interfaces.
Currently her research is focused on modelling accident data using Bayesian networks to find Human Error Probabilities – to be used on Human Reliability Assessment. Caroline is a PhD Candidate at the Institute for Risk and Uncertainty, University of Liverpool.
Before engaging in this research, she has been auditing safety management systems for 8 years, in the Oil & Gas offshore industry.
Topic: The Safety Case development strategy for Hinkley Point C (HPC)
Overview: The current approach taken by Nuclear New Build (NNB) in developing the Safety Case to support the next phases of the HPC project.
Sen Lu comes from a strong technical background with substantial safety case experience and technical leadership.
Sen has worked on all technologies in EDF Energy’s UK nuclear portfolio (AGRs, PWR, UK EPR and UK HPR1000).
Sen was seconded to General Nuclear System Limited on behalf of EDF Energy as a Project Correspondent for the UK HPR1000 Generic Design Assessment (GDA) project, where he led a number of significant technical areas and was a member of the safety case team, responsible for the delivery of the Safety Case (PCSR) for GDA submissions.
Sen is currently the HPC Safety Reports Project Delivery Lead, responsible for developing the Safety Case to support the next phases of the HPC project.
Topic: Step by step, UK HPR1000 generic design assessment – reducing risk in the UK context.
Overview: The UK HPR1000 design is undergoing Generic Design Assessment (GDA). One of the key challenges is how to incorporate the UK context approach to risk reduction to demonstrate that the risks are as low as reasonably practicable (ALARP).
UK HPR1000 is an evolutionary design which utilises proven technology and design, the lessons learnt from previous GDAs are being built into how the requesting party, represented by General Nuclear System, responds to regulatory assessment and challenge.
The goal of the GDA must be an economically sound UK HPR1000 design that can be adequately demonstrated to be safe with risk that is As Low As Reasonably Practicable (ALARP) and be taken forward to a licensing phase to construct in the UK.
An overview will be provided on the progress being made in the UK HPR1000 GDA and how General Nuclear System is ensuring risks are being reduced to ALARP within the scope of GDA.
Andrew Steer is the Lead Safety Case Project Correspondent for General Nuclear System who represent the requesting parties of: CGN (China General Nuclear), EDF SA, and GNI (General Nuclear International) for the UK HPR1000 GDA project.
Andrew has over 12 years’ experience in the nuclear industry having delivered safety cases at a variety of UK nuclear sites and for a previous GDA project.
Andrew holds a PhD in Nuclear Physics and worked as a safety case consultant for over 10 years prior to joining General Nuclear System in January 2018.
Topic: PSA and deterministic analysis, working in harmony – a regulator’s perspective
Overview: The presentation will discuss how PSA provides an effective tool to act as an integrator of the various analyses performed to substantiate the defence in depth characteristics of the nuclear power plants. It will explore the regulator’s perspective about the expectations from this harmony between PSA and deterministic safety analyses.
Dr Srinivas Golakoti brings together several years of experience of performing PSA Level 1 and 2 for internal events and hazards for nuclear power stations in India.
He has a PhD in Reliability Engineering from IIT Bombay, India.
In the UK, he worked for Atkins for 18 months before moving to the Office for Nuclear Regulation (ONR) 3 years ago. At ONR he delivers assessment of PSA for operating facilities and new build programme.