Safety Pre-Job Briefing

• Emergency Reporting : # 99

• VIC Medical Service Emergency # 22222 (during regular office hours)

• Duty Security Office #3903

• Meeting Admin contact: #22801(Ms. Bakholdina-Schnitzer, Ana)

• Evacuation

– Exits

– Extinguishers

– Fire wardens

• Walkways–stay on

cleared path / do

not hop barriers.

When an alarm is given in your area:

-Stop working

-Shut off (and disconnect to the extent possible)

all electrically powered equipment

-Clear aisles of obstructions

-Follow the advice of your Scientific

Secretary/Technical Officer or Conference

Services staff/UNSSS personnel and evacuate

the area via the nearest emergency exit.

IAEA Activities to Support

Plant Life Management for

Nuclear Power Plants

Nuclear Power Plants

447 operational power reactors (391 GWe) in 30 countries

Nuclear Power Plants current

status

Reference: IAEA-PRIS

Age of operating reactors

0

5

10

15

20

25

30

35

1 2 3 4 5 6 7 8 9 101112131415161718192021222324252627282930313233343536373839404142434445464748

Number of Reactors

50% 75%

25 years :333

30 years :273

40 years :81

Permanent Shutdown

Reactors (May. 2017)

Recently announced early shutdown

• Sweden

– Ringhals 1 & 2

– Oskarshamn 1& 2

– Korea – Kori 1

• USA – Pilgrim, – FitzPatrick ? – Vermont Yankee – Kewaunee – San Onofre – Crystal River – Daiblo Canyon

Mainly economic reasons

Cease operations in the next decade and

beyond (at a rate of about 5 to 10+ per year ?)

What are the real challenges for long

term operation?

• Recently six~ seven NPPs decided to early shutdown

permanently even they got the permission of long term

operation.

• What are the main reasons ?

• Material issues ( Ageing Management)

• Safety upgrade to reflect F-A lessons learned

• Strong regulatory requirements

• Stakeholder involvement and public

understanding

• Environment change – Low natural gas price

7

8

IAEA support to NPP LTO

1. Safety standards and guides

2. Technical reports capturing the

accumulated knowledge

3. Databases and information systems

4. Topical studies, research projects

5. Direct services:

• Peer review service – SALTO

• Technical missions within TC projects

6. Fostering information exchange

• Nuclear Operating Organizations’ Forum

• Conferences on plant life management for LTO

• Plant life management workshops

9

IAEA documents

Programmatic

Guidelines

Component

Specific

Guidelines

SALTO

Review

guideline

Safety

Guide

on

AM

Safety

Guide

on PSR

Safety of NPP

Design SSR

2/1

Safety of NPP

Operation SSR

2/2

Maintenance

I&C SSC and PLiM

Safety

Guide

on MSI

Safety Guide

on Personal

Qualification

Human Ageing

Knowledge Man.

NE Dep. NS Dep.

Safety

Requirement

Safety Guide

Technical

Guidelines

Taxonomy of technical reports PLiM/LTO

Ageing

Management

Programmatic

Guidelines

Data Keeping

EQ

AMP

Component

Specific

Guidelines

RPV & Internal

SG

Cable

Containment

I&C

PHWR

Research

Reactor

PLiM for LTO

Model

Approach

LWR

PHWR

SALTO

PLiM Text

books

Economic Model

Maintenance

Outage

management

Optimization of

O&M

Risk Based

Maint.

E &C

FAC/ EAC

Water Chem.

Control

Replacement of

Components

Performance

Power Uprating

Operating

experience

CRP results

10 https://www.iaea.org/NuclearPower/Engineering/bibliography.html

Ageing management framework

Objective

• To provide a set of recommendations for

managing the ageing of SSCs important to safety

in nuclear power plants.

Scope

• SSCs identified for AM review

• Mainly focused on physical ageing but also

includes management of obsolescence

• Published in 2009

• Currently under revision to include

recommendations on LTO and harmonize

selection of SSC for ageing management review

11

12

Plant life management programme

TRS-448 issued in 2006

Comprehensive overview of the main

issues concerning safe long term operation,

ageing management and the basic

economic aspects of plant life

management.

New Topics in 2017

• Safety – Severe accident management guidelines with utility aspects (normal

operation and shutdown condition (low power)

– Grid reliability and off-site power stability

– Design basis reconstitution for long term operation of NPPs

– Fuel core engineering and management in operating NPPs

– Monitoring of reactor pressure vessel irradiation embrittlement and thermal aging

• Performance – Balance of plant system reliability and maintenance

– Integrated risk management: risk informed processes and programmes (engineering, inspection and maintenance)

– Managing of obsolescence, spare parts and replacement issues

– Economic consideration: Asset management of NPP O&M

13

Recent technical reports • Periodic Safety Review for NPPs, SSG-25, updated 2016

• Ageing Management of Concrete Structures in NPPs; NES NP-T-3.5, 2016

• Plant Life Management Models for Long Term Operation of NPPs; NES NP-T-3.18 ,

2015

• Ageing Management for NPPs: International Generic Ageing Lessons Learned

(IGALL), SRS 82, 2015

• Technical Challenges in the Application and Licensing of Digital Instrumentation

and Control Systems in NPPs; NES NP-T-1.13, 2015

• Advanced Surveillance, Diagnostic and Prognostic Techniques in Monitoring SSC in NPPs; NES NP-

T-3.14, 2013

• Assessing and Managing Cable Ageing in NPPs; NES NP-T-3.6, 2012

• Stress Corrosion Cracking in Light Water Reactors; NES NP-T-3.13, 2011

• Power Uprate in Nuclear Power Plants; NES NP-T-3.9, 2011

• Risk Informed In-service Inspection of Piping Systems of NPPs; NES NP-T-3.1, 2010

• Information Technology for Nuclear Power Plant Configuration Management; TECDOC 1651, 2010

• Pressurized Thermal Shock in NPPs; TECDOC 1627, 2010

• Integrity of Reactor Pressure Vessels in NPPs: Assessment of Irradiation Embrittlement Effects in

Reactor Pressure Vessel Steels; NES NP-T-3.11, 2009

• Implementing Digital Instrumentation and Control Systems in the Modernization of NPPs; NES NP-T-

1.4, 2009

• Proactive Ageing Management for NPPs; SRS 62, 2009

14

Ongoing and recently published

projects and documents

• Buried piping ageing management (end of 2016)

• Outage optimization (end of 2016)

• Ageing Management Handbook (end of 2016)

• Maintenance optimization (early 2017)

• Flexible Operation (early 2017)

• Dissimilar metal welding (2017)

• Economic assessment for the Long Term Operation of NPPs (2017)

• Foreign material exclusion (2017)

• Fatigue monitoring & analysis (2017)

• Robustness of digital I&C systems in NPPs against malicious acts (2017)

• NDE/ISI Optimization in NPPs (2017)

• Benchmark analysis of Flow Accelerated Corrosion (2017)

• Fire protection programme (2017)

15

Activities on Power Uprate

16

NES document published in 2011

Information and guidance on current trends,

licensing aspects, monitoring, lessons

learned, verification technology, and the

associated side effects.

• Options for uprating the power

• Discussions of instances resulted in accelerated

equipment degradation due to increased flows and

energy levels in secondary systems

• Limits for power uprates

• Country and type specific approach due to differences

in reactor design and type, regulatory processes, and

plant life management programmes

• Case studies

SALTO Peer Reviews Benefits:

• Compliance with IAEA standards & international best practices

• Recommendations for improvement

• Improving public confidence to NP

• Support for licence renewal (extension of operational licence)

• Modular concept

18

EU countries Tihange 1 – Belgium, 2012

Paks – Hungary, 2013

Borssele – Netherlands, 2014

Ringhals 1 & 2 – Sweden, 2014

Dukovany – Czech Republic, 2014

Non–EU countries South Ukraine – Ukraine, 2007

Kori 1 – Republic of Korea, 2007

Karachi – Pakistan, 2007

Koeberg – South Africa, 2011

Wolsong 1 – Republic of Korea, 2012

Armenian 2 – Armenia, 2013

Qinshan 1 – China, 2015

Atucha 1 – Argentina, 2016

Angra 1 – Brazil, 2016

Active TC project related to LTO

Examples

• ARM9027 : Strengthening NPP Operational Safety In Line with

International Practices

• IRA2013 : Enhancing the Level of Operational Safety and Reliability of

the Bushehr Nuclear Power Plant-1

• MEX2017 : Supporting Proactive Ageing Management for Long Term

Operation of Laguna Verde Nuclear Power Plant

• PAK2006 : Developing Capabilities for Pre-Service and In-Service

Inspection of Vital Components of Nuclear Power Plants

• PAK9042 : Ensuring the Long Term Safety of KANUPP, Phase II

Extension

• RER2012 : Strengthening Nuclear Power Plant Lifetime Management for

Long Term Operation

20

Experience exchange meetings

2017:

• PLiM conference; Oct. 23- 27, 2017; Lyon, FR

• TWG on Life Management; Feb 23-26, 2017, VIC

• WS/Training course on economic

assessment for LTO; October 2017

• TM on managing of obsolescence, spare

parts and replacement issues; June 2017

• TM on dissimilar material welding

experiences and lessons learned; November 2017

• TM on optimization of NDE and ISI; 2017

21

Fourth International

Conference on PLiM

October 2017 Lyon,

France

Reference: IAEA-PRIS

How to get information?

• Annual publications:

– Nuclear Power Reactors in the World (since 1981)

– Operating Experience with NPP (since 1970)

• Public website

www.iaea.org/pris

• Web-based on-line system “PRIS-Statistics” for

registered users

prisweb.iaea.org/statistics

Animation

Nuclear Power 60 years & beyond

Thank you!