iaea activities related to construction and risk … activities related to construction and risk...
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IAEA activities related to construction and
risk management
John Moore
Nuclear Power Engineering Section
IAEA I2-TM-52256
September 6-8, 2016
Vienna International Centre
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Topics to be covered
• IAEA background
• Applicable Safety Standards
• Nuclear Energy Series Guidance documents
• Risk Management documents
• Nuclear Contacting Toolkit
• Meeting Objectives
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THE IAEA
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History and Mandate
• 1953 “Atoms for Peace” address by US President Eisenhower to UN General Assembly;
• First General Conference held in 1956; Agency officially established in 1957;
• Today has 168 Member States (welcome Turkmenistan!; note there are
193 MS’s in the UN) , – 30 of which operate commercial
NPPs;
– 55 with research reactors;
– Rest use nuclear technology for other purposes (e.g. medical, scientific) and/or plan NPPs.
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Major work areas
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Nuclear sciences and
applications
Nuclear energy
Nuclear safety
and security
Safeguards
Technical Cooperation
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IAEA SAFETY STANDARDS
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IAEA Safety Standard Document
Hierarchy
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• Safety Fundamentals: Present objectives, concepts, principles of protection and safety. Basis for Safety Requirements.
• Safety Requirements: Establish the requirements that must be met to ensure the protection of people and the environment. Governed by the Safety Fundamentals.
• Safety Guides: Provide recommendations and guidance on how to comply with the Safety Requirements.
Target Audience : Regulators
(and by extension owner-operators)
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Example IAEA Safety Standards
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Ageing
Management Periodic
Safety
Review
NS R-4
(DS 272)
Safety of Nuclear
Power Plant
Design
NS SSR-2/1
Safety of Nuclear
Power Plant
Commissioning and
Operation
NS SSR-2/2
Safety of
Research Reactors
NS R-4
Ageing
Management
for RR
Maintenance
Surveillance
and ISI
SR
SG
S
F
Fundamental Safety
Principles
SF-1
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Primary Safety Standards for Construction
GS-G-3.1 Application of the
Management System for Facilities
and Activities
GS-G-3.5 The Management System
for Nuclear Installations
SSG-38 Construction for Nuclear
Installations
SR
SG
GSR Part 2 Leadership and
Management for Safety (new June 2016!)
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Selected requirements • Documented MS
• Processes to be defined
• Continual improvement processes / corrective action programmes
• Promote a strong safety culture, including with contractors
• Safety shall be paramount
• Requirements can be graded based on risk, novelty of work and safety consequence
• Need adequate resources and trained staff
• Defined process needed for managing contractors and temporary workers (including providing oversight)
• Contractors to demonstrate subcontractors have knowledge of safety requirements specific to the subcontract prior to award of subcontracts.
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Selected requirements (cont.’d)
• Inspection, testing, verification & validation
requirements and acceptance criteria to be
specified
• Configuration management is critical
• Plant modifications, products, and documents
and records to be controlled
• System needed to ensure legal and
regulatory requirements are translated into
designs, procedures, etc.
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Selected requirements (cont.’d)
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• Regulatory oversight of construction to verify licensee compliance;
• Licensee retains responsibility for all activities that could affect the safety of the installation, irrespective of the location where the activities are carried out;
• Licensee should appoint a construction manager from its own organization;
• Construction org. should have contingency plans for critical activities (loss of utilities, disruption of concrete batching, etc.).
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Selected requirements (cont.’d)
• Detailed recommendations surrounding:
– planning and scheduling;
– procurement specifications;
– prerequisites to starting work;
– environmental conditions;
– cleanliness and foreign material control;
– receipt, transport and storage of material;
– verification of work;
– impacts on adjacent installations;
– on-site manufacturing.
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NUCLEAR ENERGY SERIES
CONSTRUCTION RELATED
PUBLICATIONS
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IAEA Nuclear Energy Series
Target Audience : owner-operators,
governments, NEPIOs
Nuclear Energy
Basic Principles
General Management Systems
Human Resources
Nuclear Infrastructure and Planning
Economics
Energy System Analysis
Knowledge Management
Nuclear Power Technology Development
Design & Construction of NPPs
Operation of NPPs
Non-Electrical Applications
Research Reactors
Nuclear Fuel Cycle Resources
Fuel Engineering and Performance
Spent Fuel Management & Reprocessing
Fuel Cycles
Research Reactors Fuel Cycle
Radioactive Waste Management & Decommissioning
Radioactive Waste Management
Decommissioning of Nuclear Facilities
Site Remediation
Complementary objectives, guides, and
reports supporting safety and other goals (e.g. good
practices, plant economics, etc.)
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Project Management in NPP Construction
• Construction management
– Preparatory Phase
– Construction phase (after concrete
pouring)
– Commissioning phase
• Main issues and lessons learned
– Selection of local suppliers;
– Bulk material management;
– Worker turnover;
– Construction equipment;
– Massive movements of people and
material;
– Public perception;
– Construction phase closure activities;
• Country specific lessons learned
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Construction Technologies for New NPPs
• Goal: Achieving an optimum construction schedule for future NPP construction projects.
• Content: – Comprehensive descriptions
of all construction methods
– Advantages / disadvantages
– Best practices
– Lessons learned
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Heavy Component Replacement in NPPs
• Experience and guidelines for replacement of heavy components in NPPs such as: – Steam generators
– Reactor vessel heads
– Reactor vessel internals
– Reactor coolant lines
– Pressurizers
– Fuel channels (PHWR)
• Includes aspects related to organization and project structures.
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Procurement Engineering and Supply Chain Guidelines
(new NP-T-3.21)
• New guide to be published 2016 (approved and currently in layout process);
• Covers information on: – Typical procurement processes;
– Considerations of special importance and lessons learned;
– Procurement of services;
– Procurement of software;
– Counterfeit and fraudulent items;
– Proactive methods for new NPPs (importance of ensuring complete turnover of plant data).
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Industrial Safety Guidelines for
Nuclear Facilities • New NE Series document being
co-sponsored by the
International Labour
Organization.
• An update of IAEA guidance on
topic that hadn’t been addressed
since 1990’s (TECDOC-535).
• Industrial Safety is an integral
part of OSART missions.
• Going for internal IAEA
publication approvals this
month. Formal issuance in 2017. Bruce Power approach to overall
nuclear safety
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CONSTRUCTION READINESS
REVIEW
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Construction Readiness Review Guidelines
• Focus is on a specific NPP
construction project (new
build or refurbishment), not
the overall programme.
• Must have design chosen
and construction
preparations underway at a
very detailed level.
• Guidelines finalized and
published. Service available
now!
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INIR
mission
IAEA REVIEW SERVICES
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Milestone 1 Milestone 2
NPP site
review
mission
Phase 1 Phase 2 Phase 3
INIR
mission
Milestone 3
INIR
mission
NPP construction
review mission
Pre-
OSART
mission
SCART
mission
EPREV
mission
ISSAS
mission
IPPAS
mission
INSSERV
mission
Stage 1
Construction
Preparation.
Stage 2
Construction
Execution.
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Construction Readiness Review Guidelines
• Areas Reviewed: – Project Management
– Engineering Readiness
– Procurement / Material / Supply Chain Readiness
– Quality Management and Records
– Human Resources and Training
– Construction Readiness
– Construction Installation Completion Assurance
– Targeted Reviews (as requested by customer)
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RISK-RELATED
PUBLICATIONS
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Selected IAEA Risk Publications • Application and Development of Probabilistic Safety Assessment (PSA) for Nuclear
Power Plant Operations, IAEA-TECDOC-873 (1996).
• Guidelines for Integrated Risk Assessment and Management in Large Industrial Areas (1998) IAEA-TECDOC-994 (1998)
• Living Probabilistic Safety Assessment (PSA) IAEA-TECDOC-1106 (1999).
• Advances in Safety Related Maintenance, IAEA-TECDOC-1138 (2000).
• Applications of Probabilistic Safety Assessment (PSA) for Nuclear Power Plants, IAEA-TECDOC-1200 (2001).
• Risk management: A tool for improving nuclear power plant performance (2001) IAEA-TECDOC-1209 (2001)
• Input data for quantifying risks associated with the transport of radioactive material IAEA-TECDOC-1346 (2003)
• Risk informed regulation of nuclear facilities: Overview of the current status IAEA-TECDOC-1436 (2005)
• Risk Management of Knowledge Loss in Nuclear Industry Organizations STI/PUB/1248 (2006)
• Risk Informed In-service Inspection of Piping Systems of Nuclear Power Plants: Process, Status, Issues and Development, NE Series NP-T-3.1 (2010)
• A Framework for an Integrated Risk Informed Decision Making Process INSAG-25 (2011)
• Risk Informed Approach for Nuclear Security Measures for Nuclear and Other Radioactive Material out of Regulatory Control, Security Series No. 24 (2015)
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Risk management: A tool for
improving NPP performance IAEA-
TECDOC-1209 (2001)
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Risk Assessment Methodologies (from Risk Informed Approach for Nuclear Security Measures, Security Series No. 24)
• Risk registry: Mapping of identified scenarios onto a matrix of likelihood and consequence scales for comparative visualization of risks. May be qualitative or semi-quantitative.
• Probabilistic risk assessment: Scenario based approach that combines principal elements or ‘steps’ leading to an event with consequences (usually shown graphically as an event/fault tree) and estimating the ultimate consequences for each of the defined scenarios. It obtains the overall likelihoods of scenarios. similar to a probabilistic safety assessment.
• Both approaches depend upon models to represent possible events and upon judgements by subject matter experts to define likelihoods.
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NUCLEAR CONTRACTING
TOOLKIT PROJECT
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Nuclear Contracting Toolkit
• Project designed to produce a web-based ‘toolkit’ of easy to use model forms/spreadsheets to assist in various aspects of the bidding and contracting process for new builds and major projects.
• Includes some details on risk management;
• Beta version posted to public web site; https://www.iaea.org/NuclearPower/Infrastructure/NuclearContractingToolkit/index.html
• Formal launch to coincide with NP-T-3.21 issuance later in summer/fall of 2016.
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Toolkit home page
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https://www.iaea.org/NuclearPower/Infrastructure/NuclearContractingToolkit/index.html
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MEETING OBJECTIVES
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Meeting Objectives
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• Share experiences related to project risk management for nuclear construction and refurbishment projects;
• Share experiences related to the development and use of different tools and techniques for nuclear project risk management;
• Create a list of risk methodologies for nuclear construction projects;
• Explore Member States’ future needs with respect to nuclear construction risk management (e.g. new publication, web site, workshops, training, expert missions etc.).
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Thank you!
IAEA Nuclear Energy News available at: @IAEANE
iaea.org