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IEC/IEEE 63113
Edition 1.0 2021-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Nuclear facilities – Instrumentation important to safety – Spent fuel pool
instrumentation
Installations nucléaires – Instrumentation importante pour la sûreté –
Instrumentation des piscines de refroidissement et de stockage du combustible
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IEC/IEEE 63113
Edition 1.0 2021-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Nuclear facilities – Instrumentation important to safety – Spent fuel pool
instrumentation
Installations nucléaires – Instrumentation importante pour la sûreté –
Instrumentation des piscines de refroidissement et de stockage du combustible
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 27.120.20 ISBN 978-2-8322-9624-0
– 2 – IEC/IEEE 63113:2021 © IEC/IEEE 2021
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 9
1.1 General . 9
1.2 Purpose . 9
1.3 Application . 9
2 Normative references . 9
3 Terms and definitions . 10
4 Symbols and abbreviated terms . 12
5 Functional requirements . 12
6 Performance criteria . 14
6.1 Range . 14
6.2 Accuracy . 15
6.2.1 General . 15
6.2.2 Additional criteria for DEC spent fuel pool monitoring instrumentation . 15
6.3 Response time . 15
6.4 Required accident operating time . 15
6.5 Reliability . 15
6.6 Documentation of performance criteria . 15
6.6.1 General . 15
6.6.2 Additional criteria for DEC spent fuel pool monitoring instrumentation . 15
7 Design criteria . 16
7.1 Redundancy . 16
7.2 Common cause failure . 16
7.3 Physical independence and separation . 16
7.4 Electrical isolation . 17
7.5 Information ambiguity . 17
7.6 Power supply . 17
7.6.1 General . 17
7.6.2 Additional criteria for DEC spent fuel pool monitoring instrumentation . 18
7.7 Calibration . 18
7.7.1 General . 18
7.7.2 Additional criteria for DEC spent fuel pool monitoring instrumentation . 18
7.8 Testability . 18
7.8.1 General . 18
7.8.2 Additional criteria for DEC spent fuel pool monitoring instrumentation . 18
7.9 Direct measurement . 18
7.10 Control of access . 19
7.11 Maintenance and repair . 19
7.12 Supporting features . 19
8 Qualification criteria . 19
8.1 General . 19
8.2 Seismic qualification . 19
8.3 Environmental qualification . 19
8.4 Shock and vibration qualification . 20
9 Display criteria . 20
9.1 Human factors . 20
9.2 Trend or rate information . 20
9.3 Continuous versus on-demand displays . 20
9.3.1 General . 20
9.3.2 Additional criteria for DEC spent fuel pool monitoring instrumentation . 20
9.4 Display identification . 20
9.5 Display location . 20
9.5.1 General . 20
9.5.2 Additional criteria for DEC spent fuel pool monitoring instrumentation . 21
10 Quality assurance . 21
Annex A (informative) Typical bases for identifying spent fuel pool conditions to be
detected. 22
Bibliography . 25
Figure A.1 – Spent fuel pool monitoring instrumentation . 22
Table 1 – Relationship of functional groups used in this document . 14
– 4 – IEC/IEEE 63113:2021 © IEC/IEEE 2021
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
NUCLEAR FACILITIES –
INSTRUMENTATION IMPORTANT TO SAFETY –
SPENT FUEL POOL INSTRUMENTATION
FOREWORD
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