Text

Enclosure 5, WNA-DS-01617-WBT-NP, Rev. 1, Rras Watts Bar 2 NSSS Completion Program I&C Projects, Post Accident Monitoring System - System Requirements Specification
	ML102040484
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Site:	Watts Bar
Issue date:	06/30/2010
From:	Shah D; Westinghouse
To:	; Office of Nuclear Reactor Regulation
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	WNA-DS-01617-WBT-NP, Rev 1
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Enclosure 5 Enclosure RRAS RRAS Bar 22 NSSS Completion Watts Bar Watts Program Completion Program I&C Projects Projects Post-Accident Monitoring Post-Accident System (PAMS)

Monitoring System (PAMS) - System Requirements Specification System Requirements Specification Document Number Document WNA-DS-01617-WBT-NP, Revision 1, dated Number WNA-DS-01617-WBT-NP, June 2010 dated June 2010 Proprietary Class 3)

(Westinghouse Proprietary

8(fWestinghouse Westinghouse Non-Proprietary Class 3 Westinghouse Non-Proprietary Westinghouse RRAS Watts Bar 2 NSSS NSSS Completion Program I&C Projects Post Accident Accident Monitoring Monitoring System- System-System Requirements Requirements Specification Specifi~ation WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1 June 2010 Jq.ne 2010 APPROVALS Function Name N arne and Signature Author.

Author Digish R. Shah*

Operating Plant Safety Systems 1 Engineer, Operating Verifier Greg Szepanski*

Systems 11 Operating Plant Safety Systems Engineer, Operating Reviewer David R. Ellis, Jr.*

Common Q Project Manager, Common Q PPAMS AMS Allen C. Denyer*

Operating Plant Safety Systems 11 Principal Engineer, Operating Approver Approver Mesut B. Uzman*

Platform Engineering Product Manager, FPGA Platform Engineering && Systems

Electronically approved records are authenticated in the electronic document management

Electronically approved records are authenticated in the electronic document system.

management system.

Westinghouse Electric

RRAS Watts Bar 2 NSSS RRASWatts NSSS Completion Completion Post Accident Monitoring Monitoring System System Program Program I&C Projects System Requirements Specification Requirements Specification CONTRIBUTORS LIST OF CONTRIBUTORS Document Document Number Revision Name and Title WNA-DS-01617-WBT WNA-DS-01617-WBT A, B, B, 0, I1 JJenna enna L. Tyger Editorial Specialist, Technical Communications WNA-DS-01617-WBT WNA-DS-01617-WBT A, A,B B Maria E. Assard Principal Principal Engineer, Common Common Q Software Applications Applications II WNA-DS-01617-WBT WNA-DS-01617-WBT A, B, 0,0, I1 Shawn M. Downey Downey Principal Engineer, I&C BOP Safety & & Display Display Systems WNA-DS-01617-WBT WNA-DS-01617-WBT A, B A,B John N. Miller Senior Engineer, Common Q Software Software Applications Applications II WNA-DS-01617-WBT WNA-DS-01617-WBT 1 Sarah E. Gasbarrini Technical Editor, Technical Communications WNA-DS-01617-WBT-NP WNA-DS-01617-WBT-NP 11 Tyger Jenna L. Tyger Communications Editorial Specialist, Technical CommuniCations 2.0 Template Version 2.0 WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, i

Watts Bar RRAS Watts Bar 22 NSSS NSSS Completion Completion Accident Monitoring

.Post Accident Monitoring System System Program Program I&C I&C Projects Projects System System Requirements Requirements Specification Specification REVISION HISTORY REVISION HISTORY RECORD RECORD OF OF CHANGES CHANGES Document Document Number Number Revision Revision Author Author Description Description Completed Completed WNA-DS-WNA-DS- A Digish R. Shah Digish Preliminary Preliminary Issue 01/09 01109 01617-WBT 01617-WBT WNA-DS-WNA-DS- B Digish Digish R. Shah Preliminary Preliminary Issue 04/09 01617-WBT 01617-WBT WNA-DS- 0 Digish R. Shah .Initial Digish Initial Issue 05/09 01617-WBT 01617-WBT

- a,.c a,cý WNA-DS-WNA-DS- 1 Digish R. Shah Shah 02/10 02/10 01617-WBT 01617-WBT

.1 J _______________ - ~

WNA-DS-01617-WBT-NP, Rev. 11

. WNA-DS-01,617-WBT-NP, ii ii

RRAS Watts Bar 22 NSSS Completion Post Accident Accident Monitoring System Monitoring System Program I&C Projects System Requirements Requirements Specification Specification Document Document Number Number Revision Author Description Completed Completed

, r- ac

!he I

WNA-DS- 1 Added brackets to indicate Proprietary See 01617-WBT-NP 01617-WBT-NP Information.

Information. EDMS DOCUMENT TRACEABILITY & COMPLIANCE DOCUMENT TRACEABILITY COMPLIANCE Created Created to Support Support the Following Following Document(s) Document Number Revision Revision N/A OPEN ITEMS Item Description Description ac Status a.c 1 [ ] To be added in next revision.

WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1 iii

RRAS Watts Bar 2 NSSS Completion Post Accident Accident Monitoring System Program I&C Projects P.rogram Projects System Requirements Specification System Requirements Specification TABLE OF CONTENTS CONTENTS Section Title Page CONTRIBUTORS ..................................................................................

LIST OF CONTRIBUTORS ...................................................................................... .i1 REVISION HISTORY ............................................................................................... ii

..ii TABLE OF CONTENTS CONTENTS .............................................................................................

....................................... iv

.iv LIST OF TABLES ....................................................................................................... vii LIST OF FIGURES .....................................................................................................

..................................................................................................... vii ACRONYM S AND TRADEMARKS ACRONYMS TRADEM ARKS .........................................................................

......................................................................... viii GLOSSARY GLOSSARY OF TERMS ............................................................................................

TERM S ...................................................................................... x REFERENCES ........................................................

REFERENCES .....................................................................................................

,................................................... xi REQUIREM ENTS ...................................................

REQUIREMENTS ......................................................................................................

.................................................... xiii SECTION 1 INTRODUCTION INTRODUCTION .......................................................................................................

....................................................................................................... 1-1 1-1 1.1 1.1 ...... : ........................................... 1-1 PURPOSE .................................................................................................................... 1-1 1.2 1.2 SYSTEM .............................. ~; .................. :..................................................... 1-1 SYSTEM SCOPE ..................................................................................................... 1-1 1.3 1.3 SYSTEM SYSTEM OVERVIEW ................................................... ~ ...........................................

OVERVIEW .................................................... ........................................... 1-2 1*-2 1.3.1 1.3.1 Codes and Standards Standards ....................................................................................................

.................................................................................................... 1-3 SECTION 2 GENERAL GENERAL SYSTEM DESCRIPTION DESCRIPTION ......................................................................

...................................................................... .2-1 2-1 2.1 SYSTEM CONTEXT SYSTEM CONTEXT ..................................................................................................

.................................................................................................. 2-1 2-1 2.2 SYSTEM M SYSTEM ODES AND STATES .............................................................................

MODES ............................................................................. 2-1 2-1 2.3 MAJOR MAJOR SYSTEM CAPABILITIES ...........................................................................

CAPABILITIES ........................................................................... 2-1 2-1 2.3.1 Inadequate Inadequate Core Cooling (ICC) Detection Functions ..................................................

.................................................. 2-1 2.3.2 Backup SafetySafety Parameter Parameter Display System Functions .......... .................................................

,....................................... 2-4 2-4 2.3.3 Test and Maintenance Maintenance Functions ..................... .............

Functions ........... :..................................................................... 2-4 2-4 2.4 PAM PAMSS PROGRAM PROGRAM STRUCTURE STRUCTURE ..............................................................................

.............................................................................. 2-4 2.5 MAJOR MAJOR SYSTEM CONDITIONS ..............................................................................

CONDITIONS .......................................................... ,................... 2-42-4 2 .5 .1 2.5.1 In itialization ....................................................................................... .........................

Initialization ................................................................................................................. 2-4 2-4 2.5.2 Interlocks Interlocks and Permissives Permissives ...............................................................................

.............................................................................. ::.......... ........ 2-52-5 2 .5 .2 .1 2.5.2.1 F FEE Switch Sw itch .................. ..................................................................................................

.................. :.................................................................................................. 2 -5 2-5 2.5.2.2 Software Load Enable ..................................................................................................

Enable .................................................................................................. 2-6 2-6 2.5.3 Algorithm Implementation Implementation...........................................................................................

........................................................................................... 2-6 2-6 2.5.3.1 .Analog Input ProcessingProcessing ...........................................

.................................................................... ;.................. ;...... .. 2-6 2-6 2.5.3.2 Saturation M argin Processing ..................................................................................

Margin Processing .............................................. , ................................... ,...2-7 ... 2-7 2.5.3.3 RVLIS Signal Processing .........................................................................................

Processing ............................................................................................ 2-11 2-11 2.5 3.4 2.5.3.4 Reactor Reactor Level Determination ................... ........................... ;........................................ I.................. 2-16

........................................................... 2-16 2.5.3.5 CET Processing Processing Function ............................................................................................

............................................................................................ 2-34 2-34 2.6 PAM PAMSS DISPLAy DISPLAY........................................................................................................

......................................................................................................... 2-35 2-35 2.6.1 Operator Interface .........................

.............................................................................. 2-35 2-35 2 .6 .2 2.6.2 OM ...............................................................................................................................

OM ............................................................................................................................... 2-3 5 2-35 2.6.2.1 2.6.2.1 .............

OM Display ................................. ~ ..............................................

................. ................ :................................. 2-36 2-36 c' 2.6.2.2 OM Display Architecture Architecture .............................................................................................

............................................................................................. 2-37 2-37 WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 11 iv iv

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring System System Program I&C Projects ProgramI&C System System Requirements Specification Requiremen-ts Specification 2.6.2.3 Display Navigation Display ........................................................................................................ 2-53 Navigation ...................................................................................................... 2-53 2.6.2.4 OM Display Alarm .......................................................................................

Alann Handling ....................................................................................... 2-53 2.6.2.5 Operator Inputs to the OM ...........................................................................................

........................................................................................... 2-54 2-54 22.6.3

.6 .3 M MTPT P ..............................................................................................................................

............................................................................................................................. 2-58 2 -5 8 22.6.3.1

.6 .3.1 M MTPT P Display D isp lay ................................................................................................................

................................................................................................................ 2-58 2.6.3.2 Operator/Technician Inputs to the MTP Operator/Technician MTP ......................................................................

...................................................................... 2-59 2-59 2.6.3.3 Surveillance Tests and Diagnostics ............................................................................

Surveillance ............................................................................. 2-59

.2-59 2.7 MAJOR SYSTEM SYSTEM CONSTRAINTS ..........................................................................

CONSTRAINTS ........................................................................... 2-60 2.8 USER CHARACTERISTICS CHARACTERISTICS ................. ;.................................................................... 2-60 2.9 PAM S DIAGNOSTIC PAMS DIAGNOSTIC FUNCTION ............................................................................ 2-60 FUNCTION ............................................................................

2.9.1 2.9.1 Communications Interface ....................................................................... 2-61 Interface Diagnostics .......................................................................

2.9.2 Input/Output (I/O) Diagnostics ....................................................................................

Diagnostics .................................................................................... 2-61 2.9.3 ..................... ~ ....................................................................... 2-62 System Load Calculation ............................................................................................

2.9.4 2.9.4 Response to Loss and Restoration Restoration ofPower of Power ..................... ~ ................ :., ....................... 2-62 2.10 PAM S DATA TRANSFER PAMS TRANSFER ........... ~ ..............................................................................

.................................................... .................................. 2-63 2.10.1 2.10.1 Process Data Transfer Transfer ................................................................ .................................. 2-63 SECTION 3 CAPABILITIES, CONDITIONS, SYSTEM CAPABILITIES, SYSTEM CONDITIONS, AND CONSTRANTS CONSTRANTS ......................... 3-1

.......................... .3-1 3.1 3.1 .................................................

PHYSICAL ................................................................................................................. 3-1

.3-1 3.1.1 3.1.1 Construction ....................................

Construction .................................................................................................................

............ 3-1 3-1 3.1.2 3.1.2 Single Failure ....................................................................................

Requirements ............... ; ...................................................................... :.3-1 Failure Requirements 3-1 3.1.3 3.1.3 Requirements ............................................*................................................

Separation Requirements Separation ....................................................................................... '....3-1 3-1 33.1.4

.1.4 S ign al Isolation Signal ............................................................

Isolation .............................. .............................................. 3-2

.............................................................................. 3-2 3.1.5 3.1.5 Cable Routing ...............................................

.................................._............................................................................ 3-2 3-2

3. 1.6 3.i.6 ....................................... ~ ................................................................... 3-2 System Security ..........................................................................................................

3.1.7 3.1.7 ......................................................................

Environment and Seismic Qualification ...................................................................... 3-2 3-2 3.2 SYSTEM PERFORMANCE CHARACTERISTICS SYSTEM PERFORMANCE CHARACTERISTICS .................................................. 3-2 .................................................. 3-2 3.2.1 3.2.1 Accuracy Requirements ....................................................................................

Requirements .................................................................................... ;..........

.......... 3-2 3.2.2 3.2.2 System Response ..............................................................................................

Response Times .............................................................................................. 3-3 3.2.3 3.2.3 Resolution Requirements ................................................................................ 3-3 Display Resolution Requirements ................................................................................

3.3 SYSTEM SYSTEM OPERATIONS OPERATIONS ..............................................................................

.......................................................................... :.............................. 3-3 3.3.1 System Testing, Calibration, and M aintenance ...........................................................

Maintenance ........................................................... 3-3 3.3.2 .................................................................................................

Reliability ................................................ :....................................................... 3~4 System Reliability 34 3.3.3 Availability Requirements Availability ...........................................................................................

Requirements ........................................................................................... 3-4 3-4 SECTION 4 BYSTEM INTERFACES ............................................................................................

SYSTEM INTERFACES ............................................................................................ 4-1 4.1 PAM PAMS S POWER POWER INTERFACE INTERFACE REQUIREMENTS ..................................................... .4-1 REQUIREMENTS .................................................... 4-1 4.2 PAM PAMS S INPUT SIGNALS ...... ............................................................................................

........... : ........................................................................ .4-1 4-1 4.2.1 .............................................................................................

Analog Input Signals .................................................................................................. 4-2

.4~2 4.2.2 PAM PAMS ................................................................................................... ;.......4-2 S Digital Inputs ...........................................................................................

4.3 PAM PAMS S OUTPUT SIGNALS SIGNALS ........................................................................................

....................................................................................... .4-3 4-3 4.3.1 Analog Output Signals .................................................................................................

................................................................................................ .4-3 4-3 4.3.2 Output Signals .................................................................................................

Digital Output ................................................................................................. 4-4 4-4 4 .3 .3 4.3.3 D L inks ...................................................................................................................

ata Links Data .................................................................................................................... 4-6

.4-6 WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, vV

RRAS Watts Bar 2 NSSS Completion Post Accident Accident Monitoring Monitoring System Program I&C Projects System Requirements Specification Requirements Specification 4.4 ByPASSES BYPASSES .................................................................................................................

.................................................................................................................. .4-8 4-8 4.4.1 PAM S Watchdog PAMS W atchdog Tim Timer er ..............................................................................................

.............................................................................................. 4-8 WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, vi

Watts Bar 2 NSSS Completion RRAS Wafts Post Accident Accident MonitoringMonitoring System Program I&C Projects Requirements Specification System Requirements Specification TABLE OF CONTENTS (Cont'd)

LIST OF TABLES TABLES Table Title Page

~c .................................................................................................................. 2--7 7

Table 2.5-1.

2.5-1. [ l]a,c ....................................................................................... ...................... 2

]a,c ................................ .... ...................................... 2 -10 Table 2.5-2. [ t,C ......................................... :.......................................

]a,c ............................................................................................................ 2 -10 2-1 0 Table 2.5-3.

2.5-3. [ t,C ............................................................................................................

]a,c ..................................... ................................................................ 2 -12 2-10 Table 2.5-4. [ la,c ................ ;.............................................................................................. 2-12

]a,c .............................................. 2-27 Table 2.5-5.

2.5-5. [ la,c ..............................................

]ac ..........

2-27

........... 2-28 Table 2.5-6. [ la,c ................. :............ 2-28

]a,c ............................. 2-29 Table 2.5-7. [ la,c ............................. 2-29

]a,c ......................................... .......................... 2 -3 9 Table 2.6-1. [ la,c ..................................................................... 2-39

]a,c ........................................................... 2 -4 1 Table 2.6-2. [ la,c ........................................................... 2-41

]p;c.......................

a;c ..........................

. ...................... 2-42 2 -42 Table 2.6-3.

2.6-3. [ l ~ ........................

]a,c ......................................................... 2 -4 3 Table 2.6-4.

~.6-4. [

]a..

t,C ......................................................... 2-43

........................................................................... 2 -5 5 Table 2.6-5.

2.6-5. [ la,c ............................................................................ 2-55

]a,c .................................................. 2 -5 7 Table 2.6-6. [ la,c .................................................. 2-57 .

]ac ........ 2-57 Table 2.6-7. [ l~c .....................................:2-57

]ac ............................................................................................................ 2 -6 1 Table 2.9-1.

Table2.9-1. [ la,c ............................................................................................................ 2-61

]a,c ............................................... . . .............. 4 -5 Table 4.3-1.

4.3-1. [ la,c ...................................................................... .4-5

]a,c .............................................................................. 4-6 Table 4.3-2. [ la,c ............................................................................................................ 4-6 LIST OF FIGURES FIGURES Figure Title Page 1.3-1.

Figure 1.3-1. Individual Systems for Watts Bar Unit 2 PAMS ...................................

Relationship of Individual ................ 1-3 1-3 F igure 22.1-1.

Figure .1-1. [ t,C .............................................................................

]a,c ............................................................................. 2-2 2 -2 F igure 22.1-2.

Figure .1-2 . (( la,c ....................................................................

]a'c ..................................................................... 2-3 2-3 F igure 22.5-1.

Figure .5-1. [ la,c .................................................................

]ac ................................................................. 2-14 2-14 Figure 2.5-2.

2.5-2. [ . la,c ....................................................................... .' .............................. 2-15

].. ...................................................................................................... 2-15 Figure 2.6-1.

2.6-1. [ t,C .....................................................................................

]... ..................................................................................... 2-46 WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, Vii vii

RRAS Watts Bar 2 NSSS Completion NSSS Completion Post Accident Accident Monitoring Monitoring System Program I&C Projects Requirements Specification System Requirements Specification ACRONYMS AND ACRONYMS AND TRADEMARKS TRADEMARKS Acronyms Acronyms used in the document are defined defined in WNA-PS-00016-GEN, WNA-PS-00016-GEN, "Standard "Standard Acronyms and Definitions" Definitions" (Reference (Reference 14),

14), or included below to ensure unambiguous unambiguous understanding of their use within this document.

Acronyms Acronyms Definition Definition AC Advant Controller Al AI Analog Analog Input CET Core Exit Thermocouple Thermocouple CETMS Core Exit Thermocouple Thermocouple Monitoring Monitoring System System Common Q CommonQ Common Qualified Platform d/p dip Differential Differential Pressure DH Dynamic Head DI DI Digital Input DP DP Differential Transducer Differential Pressure Transducer EUDH EUDH Expected Expected Uncompensated Uncompensated Dynamic Head FE FE Function Function Enable FO FO Fiber Optic FPD Flat Panel Display FPDS System Flat Panel Display System HJTC HJTC Heated Heated Junction Thermocouple Thermocouple I/O I/O Input/Output ICC Inadequate Core Cooling ICCMS Inadequate Core Cooling Monitoring Inadequate Monitoring System INDH Initial Normalized Normalized Dynamic HeadHead MCB Main Control Board Main MCR Main Control Room MTP Maintenance and Test Panel Maintenance NDH Normalized Normalized Dynamic Dynamic Head NSSS ) Nuclear Nuclear Steam Supply System OM OM Operator's Module Operator's P.L.S. Precautions, Limitations and Setpoints Limitations arid PAMS Post Accident Monitoring Monitoring System System PDH Compensated Dynamic Power Compensated Dynamic Head PPS Plant Protection Protection System System PSAT PSAT Saturation Pressure Saturation PWR PWRAT llT Core Thermal Thermal Power Power RCP Reactor Coolant Pump RCS System Reactor Coolant System RJT RJT Reference Junction Temperature Junction Temperature RRAS Repair, Replacement Replacement and Automation Services Services RTD Temperature Detector Resistance Temperature Detector RVL Reactor Vessel Level RVLIS Reactor Vessel Level Instrumentation Instrumentation System System WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, viii viii

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring System System Program I&C Projects Specification System Requirements Specification ACRONYMS ACRONYMS AND AND TRADEMARKS TRADEMARKS (Cont'd)

Acronyms Acronyms Definition Definition RVLMS RVLMS Reactor Reactor Vessel Level Monitoring Monitoring System System SLE Software Load Enable SMM Saturation Saturation Margin Monitor Monitor SPDS Safety Parameter Parameter Display Display System System TSAT TSAT Saturation Temperature UDH Uncompensated Uncompensated Dynamic Head VF Pseudo-Void Pseudo-Void Fraction Fraction Advant Advant is a registered trademark of ABB Process Automation Corporation.

QNX is a registered QNX registered trademark of QNX Software Software Systems GmbH & Co. KG ("QSSKG")

("QSSKG") and is usedused under license by QSS.

Windows Windows is registered trademark of Microsoft registered trademark Microsoft Corporation Corporation in the United States States and/or other countries.

All other product and corporate corporate names used in this document may be trademarks trademarks or registered registered trademarks trademarks of other companies, companies, and are used only for explanation and to the owners' owners' benefit, without intent to infringe.

WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, ix

NSSS Completion RRAS Watts Bar 2 NSSS Completion Post Accident Monitoring System System Program I&C Projects Specification System Requirements Specification GLOSSARY GLOSSARY OF TERMS Standard Standard terms tenns used in the document are defined in WNA-PS-00016-GEN, WNA-PS-00016-GEN, "Standard "Standard Acronyms Acronyms and Definitions" (Reference Definitions" (Reference 14), or included below to ensure unambiguous unambiguous understanding understanding of their use within

.this document.

Term Definitions Definitions None.

WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, x

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring System System Program I&C Projects Program I&C Projects System Requirements Requirements Specification Specification REFERENCES Following is a list of references references used throughout this document.

1.

1. WCAP-16097-P-A, WCAP-16097-P-A, Appendix Appendix 1, 1, "Comm6n "Common Qualified Qualified Platform Platform Topical Report Post Accident Accident Monitoring (PAMS)," Westinghouse Electric Company Monitoring System (PAMS)," Company LLC.

2. 00000-ICE-30156, Rev. 06, "System 00000-ICE-30156, "System Requirements Specification for the Common Q Post Accident Monitoring System," Westinghouse Monitoring System," Westinghouse Electric Company Company LLC.

I 3. WCAP-16096-NP-A, WCAP-16096-NP-A, Rev. lA, IA, "Software "Software Program Manual for Common Q Systems,"

Systems,"

Westinghouse Westinghouse Electric Company Company LLC.

I 4. 00000-ICE-30155, 00000-ICE-30155, Rev. 09, "System Requirements Specification for the Common Q Generic "System Requirements Generic Flat Panel Display,"

Display," Westinghouse Westinghouse Electric Electric Company Company LLC.

5. Regulatory Regulatory Guide 1.97, 1.97, "Instrumentation "Instrumentation for Light Water Cooled Nuclear Power Plants to Assess Plant Conditions During and Following an Accident,"

Accident," U.S. Nuclear Regulatory Regulatory Commission, May 1983.

1983.

I 6. Regulatory Guide 1.180, Regulatory 1.180, "Guidelines "Guidelines for Evaluating Electromagnetic and Radio-Frequency Evaluating Electromagnetic Radio-Frequency Interference Interference in Safety-Related Systems," U.S. Nuclear Regulatory Safety-Related Instrumentation and Control Systems,"

Commission, Commission, October OCtober 1983.

7.

7. NUREG-0737, "Clarification NUREG-0737, "Clarification of TMI Action Plan Requirements,"

ofTMI Requirements," U.S. Nuclear Nuclear Regulatory Commission, Commission, 1980.

I 8.8. WCAP-8587 WCAP-8587 (NP),(NP), Rev.

Rev. 6-A, 6-A, "Methodology "Methodology for Qualifying Westinghouse WRD Supplied NSSS Safety Related Electrical Electrical Equipment,"

Equipment," Westinghouse Electric Company LLC.

I 9. IAPWS-95, IAPWS-95, "The IAPWS Formulation Formulation 1995 for the Thermodynamic Thermodynamic Properties Properties of Ordinary Water Ordinary Water Substance for General General and Scientific Use," The International Scientific Use," Association for the Properties of International Association of Water Water and Steam, September September 1996.

I 10. ASME Steam Tables, Tables, Sixth Edition, "Thermodynamic "Thermodynamic and Transport Transport Properties of Steam,"

Steam,"

American Society of Mechanical American Society Mechanical Engineers, Engineers, 1993.

1993.

I 11.

11. NPROD-ICE-3102, NPROD-ICE-3102, Rev. 02, "Interface "Interface Requirements Requirements for Qualified Safety Parameter Parameter Display System," Westinghouse Electric Company LLC.

System,"

I 12.

12. 956080, Rev. 1, 1, "Cabinet Mounted Electronics "Cabinet.Mounted Electronics - Inadequate Inadequate Core Cooling Monitor (ICCM - 86)," 86),"

Westinghouse Westinghouse Electric Company LLC.

WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, xi xi

RRAS Watts Bar 2 NSSS Completion Compl~tion Post Accident Monitoring System System Program I&C Projects System Requirements Specification Specification REFERENCES (Cont'd)

I 13.

13. WBT-D-0088, WBT "Transmittal Westinghouse

-D-0088, Rev. 0, "Transmittal Westinghouse Comments EDCR523511,"

Comments on TVA Specification EDCR5235 ,"

Westinghouse Electric Company LLC.

I 14.

14. WNA-PS-00016-GEN, Rev. 4, "Standard WNA-PS-00016-GEN, "Standard Acronyms and Definitions,"

Definitions," Westinghouse Electric Electric Company LLC.

I 15.

15. NABU-DS-00092-GEN, NABU-DS-00092-GEN, Rev. 2, "Safety "Safety Platform Platform System Design Requirements,"

Requirements," Westinghouse Westinghouse Electric Company Company LLC.

16. LTR-PO-06-57, LTR-PO-06-57, Rev. 2, "Watts Bar Unit 1, 1, Precautions, Precautions, Limitations, and Setppints SetpQints for Nuclear Nuclear Steam Supply Systems, 11," Westinghouse Electric Company Systems, Revision 11," Company LLC.

WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1 xii

RRAS Watts Bar 2 NSSS Completion NSSS Completion Accident Monitoring Post Accident System Monitoring System Program Program I&C Projects System Requirements System Specification Requirements Specification REQUIREMENTS REQUIREMENTS Design Design and/or other requirements requirements have been identified identified in this document. Following Following is a list of the requirement requirement numbers and the document page on which the requirement requirement is identified.

R 2.2-1 ....................

R2.2-1 .................... 2-1 R2.5.3.2-17 ............. 2-10 R2.S.3.2-17 ............. 2-10 R2.3.1-1 ................. 2-1 R2.3.1-1 ................. R2.5.3.2-18 ............. 2-10 R2.5.3.2-18 ............. 2-10 R2.3.2-1 .................

................. 2-4 2-4 R2.5.3.2-19 R2.5.3.2-19 ............. 2-11

............ .2-11 R2.3.3-1 .................

................. 2-4 2-4 R2.5.3.2-20 ............. 2-11 R2.5.3.2-20 ............. 2-11 R2.4-1 ....................

................ 2A 2-4 R2.5.3.2-21 ............. 2-11 R2.S.3.2-21 ............. 2-11 R2.5.1-1 ................. 2-4 R2.S.1-1 ................. 2-4 R2.5.3.3-1 R2.S.3.3-1 ............... 2-11

............... 2-11 R2.5.2-1 .................

................. 2-5 R2.5.3.3-2 ...............

............... 2-11 R2.5.2.1-1 R2.S.2.1-1 ..............

.............. 2-S2-5 R2.5.3.3-3 R2.5.3.3-3 ...............

............... 2-11 R2.5.2.1-2 R2.S.2.1-2 ..............

.............. 2-52-5 R2.5.3.3-4 .............. .2-11 R2.5.3 .3-4 .............. 2-11 R2.5.2.1-3 R2.5.2.1-3 ..............

.............. 2-52-5 R2.5.3.3-5 ............... 2-12 R2.5.3.3-5 ............... 2-12 R2.5.2.1-4 R2.5.2.!-4 ..............

.............. 2-S2-5 R2.5.3.3-6 ............... 2-12

.. :............ 2-12 R2.5.2.1-5 R2.5.2.1-S ..............

.............. 2-5 R2.5.3.3-7 R2.S.3.3-7 ............... 2-12

............... 2-12 R2.5.2.1.1-1 ........... 2-5

........... 2-5 R2.5.3.3-8 ............... 2-12 R2.S.3.3-8 ............... 2-12 R2.5.2.1.1-2 ...........

. R2.5.2.1.1-2 ........... 2-5 R2.5.3.3-9 RQ.5.3.3-9 ...............

...............2-13 2-13 R2.5.2.1.2-1 ...........

R2.S.2.1.2-1 ........... 2-6 2-6 R2.5.3.3-10 R2.5.3.3-10 .............

............. 2-13 R2.5.2.1.2-2 ...........

R2.S.2.1.2-2 ........... 2-6 2-6 R2.5.3.3-11 ............. 2-13 R2.S.3.3-11 ............. 2-13 R2.5.2.1.2-3 ...........

R2.5.2.1.2-3 ........... 2-6 R2.5.3.3-12 R2.5.3.3-12 ............. 2-13

............ .2-13 R2.5.2.1.2-4 ...... :.... 2-6 R2.5.2.1.2-4 2-6 R2.5.3.3-13 R2.5.3.3-13 .............

............. 2-13 2-13 R2.5.2.1.2-5 ...........

R2.5.2.1.2-5 ........... 2-6 2-6 R2.5.3.3-14 ............. 2-13 R2.5.3.3-14 ............. 2-13 R2.5.2.2-1 ..............

R2.5.2.2-1 .............. 2-62-6 R2.5.3.3-15 R2.S.3.3-15 ............. 2-13 R2.5.2.2-2 ..............

R2.5.2.2-2 .............. 2-62-6 R2.5.3.3-16 ............. 2-13 R2.5.3.3-16 .............

R2.5.3.1-1 ..............

.............. 2-62-6 R2.5.3.3-17 ............ 2-14 R2.S.3.3-17 ............. 2-14 R2.5.3.1-2 R2.5.3.1-2 ..............

.............. 2-62-6 R2.5.3.4.1-1 ............ 2-16 R2.S.3.4.1-1 ............ 2-16 R2.5.3.1-3 .............. 2-6 R2.S.3.1-3 .............. 2-6 R2.5.3.4.1-2 ............ 2-17 R2.5.3.4.1-2 ............ 2-17 R2.5.3.1-4 R2.5.3.1-4 ..............

.............. 2-72-7 R2.5.3.4.1-3 R2.5.3.4.1-3 ............ 2-17

............ 2-17 R2.5.3.2-1 ..............

.............. 2-72-7 R2.5.3.4.1-4 ........... 2-17 R2.S.3.4.1-4 ............ 2-17 R2.5.3.2-2 R2.5.3.2-2 ..............

.............. 2-72-7 R2.5.3.4.1-5 ............ 2-17 R2.S.3.4.1-5 ............ 2-17 R2.5.3.2-3 R2.S.3.2-3 ...........

........... ~... 2-7

.. 2-7 R2.5.3.4.1-6 R2.5.3.4.1-6 ............ 2-17 '-.

............ 2-17 R2.5.3.2-4 ..............

R2.5.3.2-4 .............. 2-7 2-7 R2.5.3.4.2-1 ..... 2-17 R2.5.3.4.2-1 ............ 2-17 R2.5.3.2-5 ..............

.............. 2-82-8 R2.5.3.4.2-2 ............ 2-18 R2.5.3.4.2-2 ............ 2-18 R2.5.3.2-6 R2.S.3.2-6 ..............

.............. 2-82-8 .....

R2.5.3.4.3-1 ............ 2-18 2-18 R2.5.3.2-7 ..............

R2.S.3.2-7 .............. 2-8 2-8 R2.5.3.4.3-2 ............ 2-18 R2.5.3.4.3-2 ............ 2-18 R2.5.3.2-8 R2.5.3.2-8 ..............

.............. 2-92-9 R2.5.3.4.3-3 ............ 2-18 R2.S.3 .4.3-3 ............ 2-18 R2.5.3.2-9 .............. 2-9 R2.5.3.2-9 .............. 2-9 R2.5.3.4.3-4 ............ 2-18 R2.5.3.4.3-4 ............ 2-18 R2.5.3.2-10 ............

R2.5.3.2-10 ............ 2-9 2-9 R2.5.3.4.3-5 ............ 2-19 R2.5.3.4.3-5 ............ 2-19 R2.5.3.2-11 ............ 2-9 R2.S.3.2-11 ............ 2-9 R2.5.3.4.3-6 ............ 2-19 R2.5.3.4.3-6 ............ 2-19 R2.5.3.2-12 ............ 2-9 R2.5.3.2-12 ............ 2-9 ............ 2-19 R2.5.3.4.3-7 ............ 2-19 R2.5.3.2-13 ............

R2.S.3.2-13 ............ 2-9 2-9 R2.5.3.4.4-1 ............

R2.S.3.4.4-1 ............ 2-19 2-19 R2.5.3.2-14 ............ 2-10 R2.S.3.2-14 ............ 2-10 R2.5.3.4.4-2 ............ 2-19 R2.S.3.4.4-2 ............ 2-19 R2.5.3.2-15 .......... :.2-10 R2.5.3.2-15 .......... 2-10 R2.5.3.4.4-3 ..... 2-19 R2.5.3.4.4-3 ............. 2-19 R2.5.3.2-16 ............ 2-10 R2.S.3.2-16 ............ 2-10 ............ 2-19 R2.5.3.4.4-4 ............ 2-19 WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, xiii

RRAS Watts Watts Bar Bar 22 NSSS NSSS Completion Completion Post Post Accident Accident Monitoring Monitoring System System Program Program I&C Projects System System Requirements Requirements Specification Specification R2.5.3.4.4-5 .......... 2-20 R2.5.3.4.4-5 ........... 2-20 R2.5.3.4.13-9 ..........

R2.5.3.4.13-9 ..........2-29 2-29 R2.5.3.4.4-6 R2.5.3.4.4-6 ...........

........... 2-20 2-20 R2.5.3.4.14-1 ..........

R2.5.3.4.14-1 ..........2-29 2-29 R2.5.3.4.4-7 R2.5.3.4.4-7 ...........

........... 2-20 2-20 R2.5.3.4.14-2 R2.5.3.4.14-2 ..........

..........2-29 2-29 R2.5.3.4.5-1 R2.5.3.4.5-1 ...........

........... 2-20 2-20 R2.5.3.4.14-3 ..........2-29 R2.5.3.4.14-3 .......... 2-29 R2.5.3.4.5-2 ...........

R2.5.3.4.5-2 ........... 2-20 R2.5.3.4.14-4 ..........

P2.5.3.4.14-4 ..........2-29 2-29 R2.5.3.4.5-3 ........... 2-20 R2.5.3.4.5-3 ........... 2-20 R2.5.3.4.15-1 ..........

R2.5.3.4.15-1 ..........2-30 2-30 R2.5.3.4.5-4 ...........

R2.5.3.4.5-4 ........... 2-20 2-20 R2.5.3.4.15-2 ..........

R2.5.3.4.15-2 ..........2-30 2-30 R2.5.3.4.5-5 ........... 2-20 R2.5.3.4.5-5 ........... 2-20 R2.5.3.4.15-3 ..........

R2.5.3.4.l5-3 .......... 2-30 2-30 R2.5.3.4.5-6 ...........

R2.5.3.4.5-6 ........... 2-21 R2.5.3.4.15-4 .......... 2-30 R2.5.3 .4.15-4 .......... 2-30 R2.5.3.4.6-1 R2.5.3.4.6-1 ...........

........... 2-21 R2.5.3.4.15-5 R2.5.3.4.15-5 ..........

..........2-30 2-30 R2.5.3.4.6-2 R2.5.3.4.6-2 ...........

........... 2-21 R2.5.3.4.16-1 .........

R2.5.3.4.16-1 ...... :...2-30 2-30 R2.5.3.4.6-3 R2.5.3.4.6-3 ...........

........... 2-21 R2.5.3.4.16-2 R2.5.3 .4.16-2 ..........

.......... 2-30 2-30 R2.5.3.4.6-4 ...........

........... 2-21 R2.5.3.4.17-1 .......... 2-30 R2.5.3.4.17-1 .......... 2-30 R2.5.3.4.6-5 ...........

R2.5.3.4.6-5 ........... 2-22 2-22 R2.5.3.4.17-2 .......... 2-30 R2.5.3.4.17-2 .......... 2-30 R2.5.3.4.7-1 ...........

........... 2-22 .. R2.5.3.4.17-3 R2.5.3.4.17-3 ..........

.......... 2-31 R2.5.3.4.7-2 ...........

........... 2-22 R2.5.3.4.17-4 ..........

P2.5.3.4.17-4 .......... 2-31 R2.5.3.4.7-3 ........... 2-22 R2.5.3.4.7-3 ........... R2.5.3.4.17-5 .......... 2-32 R2.5.3.4.17-5 .......... 2-32 R2.5.3.4.7-4 R2.5.3.4.7-4 ...........

........... 2-22 2-22 R.2.5.3.4.17-6 ......... 2-32 R.2.5.3.4.17-6 ......... 2-32 R2.5.3.4.7-5 R2.5.3.4.7-5 ...........

........... 2-22 2-22 P2.5.3.4.17-7 .......... 2-32 R2.5.3.4.17-7 .......... 2-32 R2.5.3.4.7-6 ...........

R2.5.3.4.7-6 ........... 2-22 2-22 P2.5.3.4.17-8 R2.5.3.4.17-8 ..........

.......... 2-32 2-32 R2.5.3.4.8-1 ...........

........... 2-22 R2.5.3.4.18-1 .......... 2-32 R2.5.3.4.18-1 .......... 2-32 R2.5.3.4.8-2 ...........

........... 2-22 R2.5.3.4.18-2 .......... 2-33 R2.5.3.4.l8-2 .......... 2-33 R2.5.3.4.9-1 ...........

........... 2-22 P2.5.3.4.18-3 ..........

R2.5.3.4.18-3 .......... 2-33

........... 2-23 R2.5.3.4.9-2 ........... .......... 2-33 R2.5.3.4.18-4 ..........

........... 2-23 R2.5.3.4.9-3 ........... .......... 2-33 R2.5.3.4.18-5 ..........

R2.5.3.4.10-1 ..........

R2.5.3.4.1O-1.. ........ 2-23 R2.5.3.4.18-6 ..........

R2.5.3.4.l8-6 .......... 2-33 R2.5.3.4.10-2 ..........

R2.5.3.4.1O-2 .......... 2-23 P2.5.3.4.18-7 ..........

R2.5.3.4.18-7 ......... 2-33 R2.5.3.4.10-3 ..........

.......... 2-23 .......... 2-33 R2.5.3.4.18-8 .......... 2-33 R2.5.3.4.10-4 R2.5.3.4.1 0-4 ..........

.......... 2-23 .......... 2-33 R2.5.3.4.19-1 ..........

R2.5.3.4.10-5 ..........

.......... 2-24 2-24 R2.5.3.4.19-2 ..........

R2.5.3.4.l9-2 .......... 2-33 2-33 R2.5.3.4.10-6 ..........

R2.5.3.4.10-6 .......... 2-24 2-24 .......... 2c33 R2.5.3.4.19-3 .......... 2-33 R2.5.3.4,11-1 ..........

R2.5.3.4.11-1.. ........ 2-24 2-24 .......... 2-34 R2.5.3.4.19-4 .......... 2-34

-R2.5.3.4.11-2 ..........

R2.5.3.4.11-2 .......... 2-24 2-24 .......... 2-34 R2.5.3.4.19-5 .......... 2-34 R2.5,3.4.11-3 ..........

R2.5.3.4.11-3 .......... 2-24 2-24 .......... 2-34 R2.5.3.4.20-1 .......... 2-34 R2.5.3.4.12-1 ..........

R2.5.3.4.12-1 .......... 2-24 2-24 R2.5.3.5-1 ...............

R2.5.3.5-1 ............... 2-34 2-34 R2.5,3.4.12-2 ..........

R2.5.3.4.12-2 .......... 2-24 2-24 ............... 2-34 R2.5.3.5-2 ............... 2-34 R2.5,3.4.12-3 ..........

R2.5.3.4.12-3 .......... 2-25 R2.5.3.5-3 ...............

............... 2-34 R2.5,3.4.12-4 ..........

R2.5.3.4.12-4 .......... 2-25 ............... 2-34 R2.5.3.5-4 ...............

R2.5,3.4.13-1 R2.5.3 .4.13-1............

........ 2-25 R2.5.3.5-5 ...............

............... 2-34 R2.5.3.4.13-2 ..........

R2.5.3.4.13-2 .......... 2-25 R2.5.3.5-6 ...............

............... 2-34 R2.5,3.4.13-3 ..........

R2.5.3.4.13-3 .......... 2-26 ............... 2-34 R2.5.3.5-7 ...............

R2.5.3.4.13-4 R2.5.3 .......... 2-26

.4.13-4 .......... .................. 2-35 R2.6.1-1 ..................

R2.5,3.4.13-5 .......... 2-26 R2.5.3.4.13-5 .......... R2.6.1-2 ..................

.................. 2-35 R2.5.3.4.13-6 ..........

R2.5.3.4.13-6 .......... 2-28 R2.6.1-3 ..................

R2.6.1-3 .................. 2-35 R2.5.3.4.13-7 .......... 2-28 R2.5.3.4.13-7 .......... R2.6. 1-4 ..................

R2.6.1-4 .................. 2-35 R2.5.3.4.13-8 .......... 2-28 R2.5.3.4.13-8 .......... ...... ........... 2-35 R2.6.2-1 ..................

WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 11 xiv

RRAS Watts Bar 22 NSSS NSSS Completion Completion Post Accident Monitoring Monitoring System System .

Program Program I&C Projects System Requirements Specification Requirements Specification

................. 2-35 R2.6.2-2 ................. 2-35 R2.6.2.2.7-3 ............

R2.6.2.2.7-3 ............ 2-47

................. 2-35 R2.6.2-3 ................. ............ 2-47 R2.6.2.2.8-1 ............

................. 2-35 R2.6.2-4 ................. R2.6.2.2:9-1 ............

R2.6.2.2:9-1 ............ 2-48

................. 2-35 R2.6.2-5 ................. 2-35 R2.6.2.2.9-2 ............

R2.6.2.2.9-2 ............ 2-48

................. 2-36 R2.6.2-6 ................. 2-36 R2.6.2.2.10-1 ..........

R2.6.2.2.10-1 .......... 2-48 R2.6.2-7 .................

................. 2-362-36 R2.6.2.2.10-2 ..........

R2.6.2.2.10-2 .......... 2-48

................. 2-36 R2.6.2-8 ................. 2-36 R2.6.2.2.10-3 ..........

R2.6.2.2.l0-3 .......... 2-48 R2.6.2-9 .................

................. 2-36 R2.6.2.2.10-4 ..........

R2.6.2.2.10-4 .......... 2-48 R2.6.2-10 ...............

............... 2-362-36 R2.6.2.2.10-5 ..........

R2.6.2.2.10-5 .......... 2-48 R2.6.2-11 ...............

R2.6.2-11 ............... 2-362-36 R2.6.2.2.10-6 ..........

R2.6.2.2.10-6 .......... 2-49 R2.6.2.1-1 ..............

.............. 2-36 2-36 R2.6.2.2.10-7 R2.6.2.2.1 0-7 ..........

.......... 2-49 R2.6.2.1-2 ..............

.............. 2-37 R2.6.2.2.11 -1 .........

R2.6.2.2.11-1 2-49

........ :.2-49

.............. 2-37 R2.6.2.1-3 .............. 2-37 R2.6.2.2.12-1 R2.6.2.2.l2-1 ..........

.......... 2-49

.............. 2-37 R2.6.2.1-4 .............. 2-37 R2.6.2.2.13-1 R2.6.2.2.13-1 ..........

.......... 2-49 R2.6.2.1-5 .............. 2-37 R2.6.2.1-5 .............. R2.6.2.2.14-1 R2.6.2.2.14-1 ..........

..........2-49 2-49

.............. 2-37 R2.6.2.1-6 .............. 2-37 R2.6.2.2.15-1 R2.6.2.2.15-1 ..........

.......... 2-50 2-50 R2.6.2.1-7 ..............

.............. 2-37 R2.6.2.2.16-1 R2.6.2.2.16-1 ..........

.......... 2-50 2-50 R2.6.2.1-8 ..............

R2.6.2.1-8 .............. 2-37 R2.6.2.2.16-2 .......... 2-50 R2.6.2.2.16-2 .......... 2-50

.............. 2-37 R2.6.2.1-9 .............. 2-37 R2.6.2.2.16-3 R2.6.2.2.16-3 ..........

.......... 2-50 R2.6.2.1-10 ............

R2.6.2.1-10 ............ 2-37 R2.6.2.2.17-1 R2.6.2.2.17-1 ..........

.......... 2-50 2-50

.............. 2-37 R2.6.2.2-1 .............. 2-37 R2.6.2.2.17-2 .......... 2-50 R2.6.2.2.17 -2 .......... 2-50

.............. 2-37 R2.6.2.2-2 .............. 2-37 R.2.6.2.2.17-3 R2.6.2.2.17 -3 ..........

.......... 2-50 2-50 R2.6.2.2-3 ..............

.............. 2-38 2-38 R2.6.2.2.18-1 ..........

R2.6.2.2.18-1 ..........2-50 2-50

.............. 2-38 R2.6.2.2-4 .............. 2-38 R2.6.2.2.18-2 .......... 2-50 R2.6.2.2.l8-2 .......... 2-50 R2.6.2.2-5 ..............

R2.6.2.2-5 .............. 2-38 2-38 R2.6.2.2.19-1 .......... 2-50 R2.6.2.2.19-1 .......... 2-50 R2.6.2.2-6 .............. 2-38 R2.6.2.2-6 .............. 2-38 R2.6.2.2.19-2 .......... 2-51 R2.6.2.2.19-2 ..........

R2.6.2.2-7 R2.6.2.2-7 .............. 2-38

.............. 2-38 .......... 2-51 R2.6.2.2.19-3 ..........

R2.6.2.2-8 .............. 2-38 R2.6.2.2-8 .............. R2.6.2.2.19-4 .......... 2-51 R2.6.2.2.19-4 ..........

R2.6.2.2-9 R2.6.2.2-9 .............. 2-38

.............. 2-38 R2.6.2.2.19-5 .......... 2-51 R2.6.2.2.l9-5 ..........

R2.6.2.2-10 ............ 2-38 R2.6.2.2-10 ............ R-2.6.2.2.19-6 ..........

R2.6.2.2.19-6 .......... 2-51 R2.6.2.2-11 ............ 2-38 R2.6.2.2-11 ............ 2-38 .......... 2-51 R2.6.2.2.19-7 ..........

R2.6.2.2.1-1 R2.6.2.2.1-1 ...........

........... 2-44 R2.6.2.2.19-8 ..........

.......... 2-51 R2.6.2.2.2-1 R2.6.2.2.2-1 ...........

........... 2-44 .......... 2-51 R2.6.2.2.19-9 ..........

R2.6.2.2.3-1 ........... 2-44 R2.6.2.2.3-1 ........... R2.6.2.2.19-10 ........

R2.6.2.2.l9-10 ........ 2-51 R2.6.2.2.4-1 R2.6.2.2.4-1 ...........

.... ,...... 2-44 ........ 2-51 R2.6.2.2.19-11 ........

R2.6.2.2.5-1 R2.6.2.2.5-1 ...........

........... 2-44 .......... 2-52 R2.6.2.2.20-1 .......... 2-52 R2.6.2.2.5-2 ........... 2-45 R2.6.2.2.5-2 ........... .......... 2-52 R2.6.2.2.20-2 ..........

R2.6.2.2.5-3 R2.6.2.2.5-3 ...........

........... 2-45 R2.6.2.2.20-3 .......... 2-52

.......... 2-52 R2.6.2.2.5-4 ..........;.. 2-45 R2.6.2.2.5-4 ........ R2.6.2.2.204 ..........

R2.6.2.2.20A .......... 2-52 2-52 R2.6.2.2.5-5 ........... 2-45 R2.6.2.2.5-5 ........... R2.6.2.2.20-5 R2.6.2.2.20-5 .......... 2-52

.......... 2-52 R2.6.2.2.6-1 ........... 2-47 R2.6.2.2.6-1 ........... R2.6.2.2:20-6 ..........

R2.6.2.2:20-6 .......... 2-52 2-52 R2.6.2.2.6-2 ........... 2-47 R2.6.2.2.6-2 ........... .......... 2-52 R2.6.2.2.20-7 .......... 2-52 R2.6.2.2.6-3 ........... 2-47 R2.6.2.2.6~3 ........... R2.6.2.2.20.8 ........... 2-52

........... 2-52 R2.6.2.2.6-4 ........... 2-47 R2.6.2.2.6-4 ........... .......... 2-52 R2.6.2.2.20-9 .......... 2-52 R2.6.2.2.7-1 ........... 2-47 R2.6.2.2.7-1 ........... R2.6.2.2.20-10 ........

R2.6.2.2.20-10 ........ 2-52 2-52 R2.6.2.2.7-2 ...........

........... 2-47 R2.6.2.2.20-11 ... ........

~ .... 2-53 2-53 WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, xv xv

RRAS Watts Bar RRASWatts Bar22NSSS NSSS Completion Completion Post Post Accident Monitoring System AccidentMonitoring System Program I&C Program I&C Projects Projects System Requirements Specification System Requirements Specification R2.6.2.2.21-1 R2.6.2.2.21-1.. ..........

........2-53 2-53 R2.9.4-5 ..................2-62 R2.9.4-5 .................. 2-62 R2.6.2.2.21-2..........

R2.6.2.2.21-2 ..........2-53 2-53 R2.9.4-6 ..................2-62 R2.9.4-6 .................. 2-62 R2.6.2.2.21-3..........

R2.6.2.2.21-3 ..........2-53 2-53 R2.10-1 ................... 2-63 R2.1O-1 ................... 2-63 R2.6.2.2.21-4 ..........2-53 R2.6.2.2.21-4.......... 2-53 R2.10.1-1 ................2-63 R2.10.1-1 ................ 2-63

, R2.6.2.2.21-5 ..........2-53 R2.6.2.2.21-5.......... 2-53 R3.1.1-1 ..................

R3.1.1-1 .................. 3-13-1

..............2-53 R2.6.2.3-1 ..............

R2.6.2.3-1 2-53 R3.1.1-2 ..................3-1 R3.1.1-2 .................. 3-1 R2.6.2.4-1 .............. 2-53 R2.6.2.4-1 .............. 2-53 R3.1.1-3 ..................3-1 R3.1.1-3 .................. 3-1 R2.6.2.5-1 ..............

R2.6.2.5-1 .............. 2-54 2-54 R3.1.1-4 ..................

R3.1.1-4 .................. 3-13-1

................. 2-58 R2.6.3-1 .................

R2.6.3-1 2-58 R3.1.1-5 ..................3-1 R3.1.1-5 .................. 3-1

.................2-58 R2.6.3-2 .................

R2.6.3-2 2-58 R3.1.1-6 ..................3-1 R3.1.1-6 .................. 3-1 R2.6.3.1-1 .............. 2-58 R2.6.3.1-1 .............. 2-58 R3.1.1-7 ..................

R3.1.l-7 .................. 3-13-1 R2.6.3.1-2 .............. 2-58 R2.6.3.1-2 .............. 2-58 R3.1.2-1 ..................3-1 R3.1.2-1 .................. 3-1

.............. 2-58 R2.6.3.1-3 ..............

R2.6.3.1-3 2-58 ..................3-1 R3.1.2-2 ..................

R3.1.2-2 3-1 R2.6.3.1-4 ..............

R2.6.3.1-4 2-58

.............. 2-58 R3.1.3-1 ..................3-1 R3.1.3-1 .................. 3-1 R2.6.3.1-5 R2.6.3.1-5 ..............

.............. 2-58 2-58 R3.1.4-1 ..................3-2 R3.1.4-1 .................. 3-2

.............. 2-58 R2.6.3.1-6 ..............

R2.6.3.1-6 2-58 R3.1.5-1 ..................3-2 R3 .1.5-1 .................. 3-2 R2.6.3.1-7 ..............

R2.6.3.1-7 .............. 2-58 2-58 R3.1.6-1 ..................

R3.1.6-1 .................. 3-23-2 R2.6.3.1-8 .............. 2-58 R2.6.3.1-8 .............. 2-58 R3.1.7-1 ..................3-2 R3.1.7-1 .................. 3-2

.............. 2-58 R2:6.3.1-9 ..............

R2.6.3.1-9 2-58 ..................3-2 R3.1.7-2 ..................

R3.1.7-2 3-2 R2.6.3.1-10 ............

R2.6.3.1-10 ............ 2-59 2-59 R3.2.1-1 ..................

R3.2.1-1 .................. 3-23-2 R2.6.3.1-11 ............ 2-59 R2.6.3.1-11 ............ 2-59 R3.2.1-2 ..................3-2 R3.2.l-2 .................. 3-2 R2.6.3.1-12 ............ 2-59 R2.6.3.1-12 ............ 2-59 R3.2.2-1 ..................3-3 R3.2.2-1 .................. 3-3 R2.6.3.1-13 ............

R2.6.3.1-13 ............ 2-59 2-59 R3.2.2-2 ..................

R3.2.2-2 .................. 3-3 3-3 R2.6.3.1-14 ............

R2.6.3.1-14 ............ 2-59 2-59 R3.2.3-1 ..................3-3 R3.2.3-1 .................. 3-3

............ 2-59 R2.6.3.1-15 ............

R2.6.3.1-15 2-59 R3.2.3-2] .................3-3 R3.2.3-2] ................. 3-3 R2.6.3.1-16 ............

R2.6.3.1-16 2-59

............ 2-59 R3.2.3-3 ..................

R3.2.3-3 .................. 3-3 3-3

.............. 2-59 R2.6.3.2-1 ..............

R2.6.3.2-1 2-59 ..................3-3 R3.2.3-4 ..................

R3.2.3-4 3-3 R2.6.3.3-1 R2.6.3.3-1 ..............

.............. 2-59 2-59 R3.2.3-5 ..................3-3 R3.2.3-5 .................. 3-3 R2.6.3.3-2 ..............

R2.6.3.3-2 .............. 2-59 2-59 R3.3.1-1 ..................3-3 R3.3.1-1 .................. 3-3

.............. 2-60 R2.6.3.3-3 ..............

R2.6.3.3-3 2-60 ..................3-4 R3.3.2-1 ..................

R3.3.2-1 3-4 R2.6.3.3-4 .............. 2-60 R2.6.3.3-4 .............. 2-60 R3.3.2-2 ..................3-4 R3.3.2-2 .................. 3-4 R2.6.3.3-5 R2.6.3.3-5 ..............

.............. 2-60 2-60 ..................3-4 R3.3.3-1 ..................

R3.3.3-1 3-4

.............. 2-60 R2.6.3.3-6 ..............

R2.6.3.3-6 2-60 R4.1-1 .....................

R4.1-1 4-1

.................... .4-1 R2.6.3.3-7 ..............

R2.6.3.3-7 .............. 2-60 2-60 R4.2-1 ..................... 4-1

.................... .4-1

.................... 2-60 R2.7-1 .................... 2-60 R4.2-2 .....................

R4.2-2 .................... .4-14-1

.................... 2-60 R2.7-2 ....................

R2.7-2 2-60 R4.2-3 ..................... 4-1

.................... .4-1 R2.8-1 .................... 2-60

.................... 2-60 R4.2.1-1 ..................4-2 R4.2.1-1 .................. 4-2

.................... 2-60 R2.9-1 .................... 2-60 ..................4-2 R4.2.1-2 .................. 4-2 R2.9.

R2.9.1-1 ................. 2-61 1-1 ................. ..................4-2 R4.2.1-3 ........

R4.2.1-3 4-2

................. 2-61 R2.9.2-1 ................. R4.2.1-4 ..................

R4.2.1-4 4-2

................. .4-2 R2.9.2-2 ...... ;.......... 2-61 R2.9.2-2 ................. R4.2.1-5 ..................

R4.2.1-5 .................. 4-2 4-2 R2.9.3-1 ................. 2-62 R2.9.3-1 ................. 2-62 R4.2.2-1 ... :..............4-2 R4.2.2-1 ................. 4-2

................. 2-62 R2.9.4-1 ................. 2-62 R4.2.2-2 ..................

R4.2.2-2 .................. 4-2 4-2 R2.9.4-2 R2.9.4-2 .................

................. 2-62 R4.2.2-3 R4.2.2-3 .................. 4-2

.................. 4-2 R2.9.4-3 ................. 2-62 R2.9.4-3 ................. R4.2.2-4 R4.2.2-4 .................. 4-3

.................. 4-3 R2.9.4-4 ................. 2-62 R2.9.4-4 ................. 2-62 R4.2.2-5 ..................

R4:2.2-5 .................. 4-3 4-3 WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, xvi xvi

RRAS Watts Bar 2 NSSS Completion Post Accident System Accident Monitoring System Program I&C Projects System Requirements Requirements Specification Specification

................. 4-3 R4.3.1-1 .................

................. 4-3 R4.3.1-2 .................

................. 4-3 R4.3.1-3 .................

................. 4-3 R4.3.1-4 .................

R4.3.2-1 ................. 4-4

................. 4-4

................. 4-4 R4.3.2-2 ................. 4-4

................. 4-4 R4.3.2-3 ................. 4-4

................. 4-4 R4.3.2-4 ................. 4-4

................. 4-4 R4.3.2-5 ................. 4-4

................. 4-4 R4.3.2-6 ................. 4-4 .

................. 4-5 R4.3.2-7 ................. 4-5

................. 4-5 R4.3.2-8 ................. 4-5

................. 4-6 R4.3.3-1 ................. 4-6

................. 4-6 R4.3.3-2 ................. 4-6

................. 4-6 R4.3.3-3 ................. 4-6*

.................... 4-8 R4.4-1 .................... 4-8 R4.4.1-1 .................

......... 4-8 4-8 (Last Page of Front Matter)

Matter)

WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1 xvii xvii

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring System System Program Program I&C Projects Specification System Requirements Specification SECTION 1 INTRODUCTION 1.1 PURPOSE PURPOSE This document defines the functional requirements for the Watts Bar Unit 2 Post Accident Monitoring Monitoring System (PAMS) based on WCAP-16097-P-A, WCAP-16097-P-A, "Common"Common Qualified Qualified Platform Topical Report PostPost Accident Monitoring System (PAMS), Appendix 1" (Reference Appendix 1" (Reference 1). The Watts Bar Unit 2 PAMS allows setpoint changes and signal bypasses from both the operator's operator's module (OM) and maintenance maintenance and test panel (MTP).

The Watts The Watts Bar Bar Unit 22 PAMS PAMS requirements requirements have been built upon the generic system requirements requirements for the Common Qualified Qualified platform (Common Q) Phase 3 PAMS, 00000-ICE-30156, OOOOO-ICE-30156, "System "System Requirements Specification Specification for the Common Common Q Post Accident (Reference 2). Those sections of Accident Monitoring System" (Reference of Reference 22 that Reference that require modifications modifications are defined in this document. The Watts Bar Unit 2 PAMS will include the Reactor include the Vessel Level Reactor Vessel Level Instrumentation Instrumentation System System (RVLIS) as the vessel level monitoring monitoring system.

The requirements requirements for the RVLIS are defined defined in this document.

1.2 SYSTEM SCOPE SYSTEM The system The system described described in this document is intended intended to monitor accident conditions and inadequate inadequate core cooling (ICC) and provide provide information and data to the plant monitoring computers for use in its control room display.

The Watts Bar Unit 2 PAMS is comprised of two independent and isolated isolated trains. The instruments used to provide the input signals to the Watts Bar Unit 2 PAMS are not included in the scope of this document.

The PAMS includes flat panel displays (FPDs) for the OM and MTP. The generic system requirements for the FPD are provided 00000-ICE-30155, "System provided in OOOOO-ICE-30155, "System Requirements Requirements Specification Specification for the Common Q Generic Generic Flat Panel Display" Display" (Reference (Reference 4).

The Watts BarBar Unit Unit 2 PAMS is based on the Westinghouse Westinghouse Common Q PAMS standard design. The Watts Bar Unit 2 PAMS includes the following subsystems:

- Saturation Saturation Margin Margin Monitor (SMM)

(SMM)

0 Thermocouple Monitoring System (CETMS)

Core Exit Thermocouple (CETMS)

0 Reactor Vessel Level Monitoring Reactor Monitoring System (RVLMS)

The PAMS design bases are as follows:

Provide safety Provide safety grade grade processing processing and display for ICC instrument signals to detect detect the approach to, existence existence of, and recovery recovery from ICC conditions conditions per NUREG-0737, "Clarification of NUREG-0737, "Clarification TMI Action ofTMI Action Plan Requirements" (Reference 7), Section ILF.2, Requirements" (Reference II.F.2, and Regulatory Regulatory Guide 1.97, "Instrumentation "Instrumentation for Light Water Cooled Nuclear Power Plants to Assess Plant ConditionsConditions During and Following Following an Accident" Accident" (Reference 5).

(Reference 5).

WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1 1-1

RRAS Watts Bar 2 NSSS Completion Completion Accident Monitoring System Post Accident Program I&C Projects System Requirements Specification System Requirements Specification

- Provide safety grade grade processing processing and display of accident monitoring monitoring instrument instrument signals per per Reference Reference 5.

" Provide a processing and display system that incorporates incorporates human factor engineering engineering techniques to enhance the control room design by displaying essential enhance essential plant parameters in a systematic systematic and efficient manner per Reference efficient I.D..1.

Reference 7,Section I.D 1.

- Provide safety grade grade isolation of Class IE 1E data to be provided provided to non-Class IE monitoring system(s).

1.3 SYSTEM OVERVIEW OVERVIEW The PAMS PAMS is a Class 1E safety-related safety-related alarm and display display system. The Watts Bar Unit 2 PAMS consists of two independent trains of equipment equipment (Trains A and B) B) which acquire and process two trains of inputs.

The trains are physically separated and electrically electrically isolated isolated from each other. Each train of the Watts Bar Unit 2 PAMS shall be comprised of two AdvantAdvant Controller 160 (AC160)

(ACI60) racks located located in one cabinet.

Figure 2.1-2 shows shows the typical configuration configuration of the PAMS. '

For each train, the Primary AC160 AC160 rack shall contain contain a processor processes all incoming core exit processor that processes exit thermocouple (CET), SMM, and reactor vessel level (RVL) signals. The processor receives inputs from thermocouple its input cards. The processor performs input processing processing and algorithms, and sends the outputs to its output cards and over the AFI00 AF 100 to the OM, and the MTP. The MTP has an Ethemet Ethernet port that provides provides the capability capability to send data to the plant computer.

I The OM will be mounted in the main control room (MCR). The OM uses the Flat Panel Display System (FPDS), which consists ofa of a PC node box, an FPD with touch screen capability, capability, a standard AF 100 AFIOO I communication interface communication to the processor interface for communication processor module and a power supply. The OM shall display various display pages.

The OM receives receives the signals signals to be displayed over the AF 110000 from the PAMS processors.

processors.

The general relationship of the individual individual systems for Watts Bar Unit 2 PAMS are described below and provided provided in Figure 1.3-1.

1.3-1.

- The RVLMS monitors monitors reactor reactor vessel head differential differential pressure, lower range range differential pressure, and dynamic dynamic range range differential pressure to measure reactor reactor coolant level level in the vessel.

"* The CETMS monitors monitors CET temperatures temperatures to detect and alarm ICC conditions.

- representative CET temperature, Reactor Coolant System (RCS) pressure, and The SMM uses the representative the maximum RCS hot leg temperature temperature to calculate calculate saturation saturation margins.

Each train of Watts Bar Unit 2 PAMS provides the combined functions of the ICCMS (i.e., (i.e., SMM, CETMS, and RVLMS).

RVLMS).

WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-OI617-WBT-NP, 1-2

RRAS Watts RRAS Watts Bar Bar 2 NSSS Completion Completion Post Post Accident Monitoring System Accident Monitoring System Program I&C Projects Program System Requirements Specification System Requirements Specification WBTPAMS ICCMS SMM CETMS CETMS RVLMS RVLMS

" RCS Pressure RCS Pressure & CET Temperatures CET Temperatures ** Differential RVL Differential

" RCS Temperatures Thot Temperatures RCS ThO! RJT RTDs 0 RJTRTDs Pressure Signals Pressure Signals

" TTCREP

RTD' Impulse Line RTD' CREP Inputs e DeltaT Power Power

RCP RCP Contacts Contacts

. Hydraulic Isolators Hydraulic Isolators

- RCS Pressure RCS Pressure

- Auctioneered RCS Auctioneered RCS Temperature Temperature 1.3-1. Relationship Figure 1.3-1. Individual Systems for Watts Bar Unit 2 PAMS Relationship of Individual PAMS 1.3.1 1.3.1 Codes and Standards The codes and standards to be utilized for the Watts Bar Unit 2 PAMS design are as discussed in the individual sections where they apply.

The safety safety platform platform system requirement, Reference system design requirement, Reference 15, 15, may be used as guidance during detail design of Watts Bar Unit 22 PAMS.

(Last (Last Page Page of of Section I) 1)

WNA-DS-01617-WBT-NP, Rev.

WNA-DS-OI617-WBT-NP, Rev. 11 1-3 1-3

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring System System Program I&C Projects Projects System Requirements Specification Requirements Specification SECTION 2 GENERAL SYSTEM DESCRIPTION 2.1 SYSTEM SYSTEM CONTEXT

.-AA Watts Bar Unit 2 P PAMS AMS block diagram is provided 2.1-1. The PAMS design is based on provided in Figure 2.1-1. on Common Q hardware as discussed in this document. A P PAMS AMS configuration diagram is shown in requirements as Common Q PAMS Figure 2.1-2. Those sections that have the same requirements PAMS shall refer to modification from the Common Reference 2 and those sections that require modification Reference Common Q PAMS PAMS requirements requirements or have any additional requirements specific to Watts Bar Unit 2 PAMS are fully defined in this document.

requirements specific discussion of the Watts Bar Unit 2 PAMS A detailed discussion PAMS interface interface requirements provided in Section requirements is provided Section 4. The requirements for the FPD to be used for the PAMS OM and MTP are provided in Reference 4.

2.2 SYSTEM SYSTEM MODES MODES AND STATES AND STATES R2.2-1 PAMS shall be capable

[The 'PAMS capable of operation during normal abnormal environments and plant operating normal and abnormal operating modes.]

Rationale: Requirement to meet RG 1.971.97 (Reference 5).5).

2.3 MAJOR MAJOR SYSTEM SYSTEM CAPABILITIES 2.3.1 2.3.1 Inadequate Core Cooling (ICC) DetectionDetection Functions R2.3.1-1

[The requirements requirements for the ICC functions as defined in Reference 2, Section Section 2.3.1, 2.3.1, shall apply with HJTC replaced with the RVLIS function.]

functions being replaced Guidance: The Heated junction thermocouple Guidance: considered for thermocouple (HJTC) system capabilities shall not be considered Watts Bar 2 PAMS.

Rationale: The Watts Bar 2 PAMS employs the RVLIS as the reactor water inventory inventory level measuring measuring system instead instead of the HJTC system.

WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-OI617-WBT-NP, 2-1 2-1

RRAS Watts RRAS Watts Bar Bar 2 NSSS Completion Completion Post Post Accident Accident Monitoring Monitoring System System Program I&C Projects Program System System Requirements Requirements Specification Specification a,c 2.1-1. [

Figure 2.1-1. I a,c 2-2 WNA-DS-01617-WBT-NP, Rev. 1 2-2

,WNA,-DS-01617-WBT-NP, WNAI-DS-01617-WBT-NP, Rev. 1

RRAS Watts Watts Bar Bar 22 NSSS NSSS Completion Completion Post Accident Accident Monitoring Monitoring System System Propram Program I&C I&C Projects Projects System System Requirements Requirements Specification Specification a,c a,c Figure 2.1-2. [ Ia,c WNA-DS-01617-WBT-NP, WNA-DS~01617~WBT -NP, Rev. 11 2-3 2-3

RRAS Watts Bar 2 NSSS Completion Post Accident Accident Monitoring Monitoring System Program I&C Projects System Requirements Specification System Requirements Specification 2.3.2 Backup Safety Backup Safety Parameter Parameter Display System Functions The PAMS displays a minimum set of plant variables from which overall overall plant safety safety can be assessed.

Only instrumentation instrumentation of highest reliability and quality shall be used for the PAMS.

The PAMSvariables PAMS variables may be categorized categorized by the following critical functions:

"* RCS Inventory Inventory Control

- RCS Pressure Control

- Core Heat Removal

"* RCS Heat Removal Removal The bases used for selecting the parameters parameters to be displayed for each critical "emergency critical function are "emergency guidelines" and "the procedure guidelines" Regulatory Guide 1.97" "the Regulatory 1.97" (Reference 5).

(Reference 5).

emergency procedure guidelines require certain The emergency instrumentation to be used for diagnosing events.

certain instrumentation These key variables variables are monitored by the operator to determine determine what event is taking place, so that he may perform immediate actions and consultconsult the emergency emergency procedures.

procedures. The guidelines also call for instrumentation to diagnose the accomplishment of plant safety functions. The operator instrumentation operator uses these these instruments to assess the safe status of the plant, independent instruments independent of the event or events existing.

Regulatory GuideGuide 1.97 (Reference (Reference 5)5) requires instrumentation instrumentation to be used to assess plant conditions during and following an accident. Those instruments instruments applicable applicable to the PAMS P AMS are those used to determine determine plant safety status and to indicate the integrity safety integrity of barriers to radioactive radioactive release.

R2.3.2-1

[DELETED]

2.3.3 2.3.3 Test and Maintenance Maintenance Functions R2.3.3-1

[The test and maintenance maintenance requirements requirements defined in Reference Reference 2, Section 2.3.3, 2.3.3, shall apply.]

2.4 PAMS PROGRAM PAMS PROGRAM STRUCTURE R2.4-1

[The PAMS software development, testing verification, and validation shall be in accordance accordance with WCAP-16096-NP-A, WCAP-16096-NP-A, "Software Program Manual for Common Q "SofiwareProgram Q Systems" Systems" (Reference 3).]

2.5' 2.5- MAJOR SYSTEM CONDITIONS MAJOR CONDITIONS 2.5.1 Initialization Initialization R2.5.1-1 R2.S.1-1

[The initialization initialization requirements requirements defined in Reference 2.5.1, shall apply.]

Reference 2, Section 2.5.1, WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, 2-4 2-4

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring System System Program Program I&C Projects System Requirements Specification Requirements Specification 2.5.2 2.5.2 Interlocks and Permissives The MTP is designed with a keyswitch for Function Enable (FE) and a keyswitch for Software Load Enable (SLE).

(SLE). [

ac R2.5.2-1 R2.S.2-1

[DELETED]

2.5.2.1 2.S.2.1 FE Switch Switch R2.5.2.1-1 R2.S.2.1-1 a,c R2.5.2.1-2 R2.S.2.1-2

[Enabling the FE switch shall result in.

inaa system trouble trouble alarm.]

[

R2.5.2.1-3 R2.S.2.1-3 R2.5.2.1-4 R2.S.2.1-4

ac

[The FE keyswitches on the OM and MTP shall be removable removable from the OFFOFF position only.]

R2.5.2.1-5 R2.S.2.1-S

[The FE keyswitch on the OM and MTP shall be keyed the same.] same.]

Guidance: Keying Guidance: Keying the FE keyswitches the FE keyswitches identically identically will facilitate administrative control to allow only one facilitate administrative of the FE keyswitches to be enabled at a time.

2.5.2.1.1 2.S.2.1.1 CET Signal Bypass R2.5.2.1.1-1 R2.S.2.1.1-1 a,c

[

R2.5.2.1.1-2 R2.S.2.1.1-2 a,c

[

WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1 2-5 2-5

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Accident Monitoring System Program Program I&C Projects System Specification System Requirements Specification 2.5.2.1.2 2.S.2.1.2 Process (Analog) Signal Signal Bypass R2.5.2.1.2-1 R2.S.2.1.2-1 a,c

[R2.5.2.1.2-2 a,]

R2.S.2.1.2-2

[R2.5.2.1.2-3 R2.S.2.1.2-3 Ja,c

[ J R2.5.2.1.2-4 R2.S.2.1.2-4 ac I[

R2.5.2.1.2-5 R2.S.2.1.2-S

[

[ Iac 2.5.2.2 2.S.2.2 Software Software Load Enable R2.5.2.2-1 R2.S.2.2-1

[t Ia'c R2.5.2.2-2 R2.S.2.2-2

[Activation

[Activation of SLE switch shall result in system trouble alarm.]

2.5.3 Algorithm Algorithm Implementation Implementation algorithms to implement the functions for the PAMS are discussed in the following sections.

The algorithms 2.5.3.1 2.S.3.1 Analog Input Processing Processing R2.5.3.1-1 R2.S.3.1-1

[The analog input (AI)

(Al) processing processing requirements requirements defined defined in Reference 2.5.3.1, shall apply.]

Reference 2, subsection 2.5.3.1, R2.5.3.1-2 R2.S.3.1-2 ac

[

R2.5.3.1-3 R2.S.3.1-3 a,c

[

. WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1 2-6 2-6

RRAS Watts Bar 2 NSSS NSSS Completion Post Accident Monitoring System Monitoring System Program Program I&C Projects System Requirements Specification System Requirements Specification R2.5.3.1-4 R2.5.3.1-4 a,c

[ ]

2.5.3.2 2.5.3.2 Saturation Saturation Margin Processing Processing The Common Q PAMS saturation margin function [ la,c includes a calculation of

]a,c of a temperature and pressure saturation margin for RCS and CET temperature temperature and pressure. The Watts Bar 2 PAMS implementation implementation uses different process process inputs and, therefore, differs from the generic PAMS saturation margin processing.

R2.5.3.2-1 R2.S.3.2-1

[The OM and MTP shall display the temperature temperature margin, indicating subcooled or superheated.]

R2.5.3.2-2 R2.S.3.2-2

[The OM

[The and MTP OM and MTP shall display the shail display the saturation saturation pressure pressure margin, indicating subcooled subcooled or superheated.]

R2.5.3.2-3 R2.5.3.2-3 a,(

ac Table 2.5-1.

2.5-1. [ j a,e a,c Name I ID 4 4 R2.S.3.2-4 R2.5.3.2-4 ac

[

WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, 2-7 2-7

RRAS Watts Bar 2 NSSS Completion Post Accident Accident Monitoring Monitoring System Program I&C Projects System Requirements Requirements Specification Specification R2.5.3.2-5 R2.S.3.2-S a,c R2.5.3.2-6 R2.S.3.2-6 a,c R2.S.3.2-7 R2.5.3.2-7 a,c a,c WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, 2-8 2-8

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. R2.5.3.2-11 R2.S.3.2-11 a,c a,e R2.5.3.2-12 R2.S.3.2-12 a,c a,e R2.5.3.2-13 R2.S.3.2-13 a,c a,e WNA-DS-01617-WBT-NP, Rev. 11 WNA-DS-01617-WBT-NP, 2-9 2-9

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Table 2.S-2.

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WNA-DS-01617-WBT-NP, Rev~

WNA-DS-01617-WBT-NP, Rev. 1 2-10 2-10

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[ ]

[5.3.2-21 R2.5.3.2-21 ac

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2.5.3.3 2.S.3.3 RVLIS RVLIS Signal Processing Processing The following sections provide provide a description of the RVLIS signal processing processing requirements. These These requirements are based on 956080, "Cabinet Mounted Electronics - Inadequate "Cabinet Mounted Electronics Inadequate Core Cooling Monitor Cooling Monitor (ICCM-86)"

(ICCM-86)" Vessel Level Algorithm as defined in Reference Reference 12, 12, Section 6.4.

R2.S.3.3-1 R2.5.3.3-1 I[ J R2.5.3.3-2 R2.S.3.3-2 I[

R2.5.3.3-3 J

R2.S.3.3-3

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RRAS Bar 22 NSSS Watts Bar RRAS Watts NSSS Completion Completion Post Accident Post Monitoring System Accident Monitoring System Program Program I&C I&C Projects Projects System System Requirements Specification Requirements Specification Table 2.S-4. [

Table 2.5-4. aC a,c a,c R2.5.3.3-5 R2.S.3.3-S

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RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring System System Program I&C Projects System Requirements Requirements Specification Specification R2.5.3.3-9 Rl.5.3.3-9 a,c a,c R2.5.3.3-10 R2.5.3.3-10

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a,c ac a,c Figure 2.5-1.

2.5-1. [ Ia,c WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-OI617-WBT-NP, 2-14 2-14

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-j System Requirements Specification a,c a,c Figure Figure 2.5-2.

2.5-2. 1[ lJa,c a,c 2-15 WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. I1 2-15 WNA-DS-01617.WBT-NP, Rev. Rev. 1 2-15

RRAS Watts Bar 2 NSSS Completion Post Accident Accident Monitoring Monitoring System Program I&C Projects Program System Requirements Requirements Specification Specification 2.5.3.4 Reactor Reactor Level Determination Determination a,c I

2.5.3.4.1 Densities (Fourth Order Calculation of Fluid Densities Order Polynomial Curve Fits)

R2.5.3.4.1-1 a,c a,c WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-OI617-WBT-NP, 2-16 2-16

RRAS RRAS Watts Watts Bar 2 NSSS Completion Post Accident Accident Monitoring System Program I&C Projects System Requirements Requirements Specification Specification

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WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-OI617-WBT-NP, 2-18 2-18

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Vessel Vapor Density Calculation

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2.5.3.4.4 Calculation R2.5.3.4.4-1 R2.5.3.4.4-1 a,c a,e R2.5.3.4.4-2 R2.5.3.4.4-2 a,c a,e I

I, IR2.5.3.4.4-3 R2.5.3.4.4-3 Ja,c a,e

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RRAS Watts Bar 22 NSSS Completion Completion System Post Accident Monitoring System Program I&C Projects Projects System Requirements Requirements Specification Specification R2.5.3.4.4-5 R2.S.3.4.4-5 a,c I ]

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R2.5.3.4.5-2 J

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WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1 2-20 I*

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring System System Program Program I&C Projects Specification System Requirements Specification R2.S.3.4.S-6 R2.5.3.4.5-6 a,c i[ ]

2.5.3.4.6 2.S.3.4.6 Algorithm for Upper Range Range Level and Lower Level Calculations Calculations

., R2.S.3.4.6-1 R2.5.3.4.6-1 ac a,c I

I R2.5.3.4.6-2 R2.S.3.4.6-2 ac

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ac

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Rt2.5.3.4.6-4 R2.S.3.4.6-4

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ac

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WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, 2-21

RRAS Watts Bar 22 NSSS Completion Completion Post Accident Accident Monitoring System System Program Program I&C Projects Specification System Requirements Specification R2.5.3.4.6-5 R2.S.3.4.6-S a

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R2.5.3.4.7-3 R2.S.3.4.7-3

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R.5.3.4.7-6ac R2.S.3.4.7-6 I[

2.5.3.4.8 Hydraulic Isolator Hydraulic Isolator Status Inputs R2.5.3.4.8-1 R2.S.3.4.8-1 ac I[

R2.S.3.4.8-2 R2.5.3.4.8-2 I[

2.5.3.4.9 2.S.3.4.9 Pump Status Inputs R2.5.3.4.9-1 R2.S.3.4.9-1 a

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2.5.3.4.10 2.S.3.4.10 Algorithm Algorithm for the Expected Uncompensated Uncompensated Dynamic Head (EUDH) Calculation Calculation R2.S.3.4.10-1 R2.5.3.4.10-1 ac R2.5.3.4.10-2 R2.S.3.4.10-2

[

I2,C

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RRAS Watts RRAS Watts Bar Bar 22 NSSS NSSS Completion Completion Post Accident Monitoring System Accident Monitoring System Program I&C Program I&C Projects Projects System System Requirements Requirements Specification Specification R2.S.3.4.10-S R2.5.3.4.10-5 a,c a,c R2.S.3.4.10-6 R2.5.3.4.10-6 a,c a,c 2.S.3.4.11 Algorithm 2.5.3.4.11 Uncompensated Dynamic Head (UDH) Calculation Algorithm for Uncompensated Calculation R2.S.3.4.11-1 R2.5.3.4.11-1

[ Ia,c R2.S.3.4.11-2 R2.5.3.4.11-2 I[

R2.S.3.4.11-3 R2.5.3.4.11-3 a~c ac

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2.5.3.4.12 Algorithm for Power Compensated Head (PDH) Calculation 2.S.3.4.12 R2.5.3.4.12-1 R2.S.3.4.12-1

[ IOc R2.5.3.4.12-2 R2.S.3.4.12-2 ac I[

WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1 2-24

RRAS RRAS Watts Watts Bar Bar 22 NSSS Completion Completion Post Post Accident Accident Monitoring Monitoring System System Program Program I&C Projects System System Requirements Requirements Specification Specification a,c a,c R2.S.3.4.12-3 R2.5.3.4.12-3 a,c a,c R2.S.3.4.12-4 R2.5.3.4.12-4

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II ] a,c 2.5.3.4.13 Algorithm for NDH Calculation 2.S.3.4.13 Calculation R2:S.3.4.13-1 R25.3.4.13-1 ac ac R2.5.3.4.13-2 R2.S.3.4.13-2 a,c WNA-DS-01617-WBT-NP, Rev. 11 WNA-DS-01617-WBT-NP, 2-25

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring System Program Program I&C Projects System Requirements Specification Requirements Specification R2.S.3.4.13-3 R2.5.3.4.13-3 a,c R2.S.3.4.13-4 R2.5.3.4.13-4 a,c R2.S.3.4.13-S R2.5.3.4.13-5

[ IaO WNA~DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1 2-26

RRAS Watts Bar RRAS Watts NSSS Completion Bar 22 NSSS Completion Post Post Accident Monitoring System Accident Monitoring System Program I&C Projects Program I&C Projects Requirements Specification System Requirements System Specification Table 2.5-5. [

Table 2.5-5. I2,C a,c a,c T -r I

4- I 4- __________

T I 1- 4-t I 1- + 4 WNA-DS-01617-WBT-NP, Rev.

WNA-DS-01617-WBT-NP, Rev. 11 2-27 2-27

Completion RRAS Watts Bar 2 NSSS Completion Post Accident Monitoring System System Program Program I&C Projects System Requirements Specification Requirements Specification

.R2.5.3.4.13-6 R2.5.3.4.13-6 ac R2.5.3.4.13-7 R2.5.3.4.13-7 ac

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Table 2.5-6.

2.5-6. [ . ]S,C Ia,c ac a.c R2.5.3.4.13-8 ___

R2.5.3.4.13-8 a,c WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1 2-28 2-28

RRAS Watts Bar 22 NSSS Completion Completion Accident Monitoring System Post Accident System Program I&C Projects System Requirements Requirements Specification Specification a,c a,c R2.5.3.4.13-9 a,c Table Table 2.5-7. [ Ia,c a,c

+ I

.4- 4 2.5.3.4.14 RVLIS Inaccuracy Inaccuracy Period During RCP Startup and Coast Down R2.5.3.4.14-1 a,c R2.5.3.4.14-2 R2.5.3.4.14-2

]a,c I ac

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I25341-R2.5.3.4.14-3 a,c

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KR2.5.3.4.14-4 ac

[ J WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, 2-29 2-29

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring System, Monitoring System*

. Program I&C Projects System Requirements Requirements Specification Specification 2.5.3.4.15 Scaling 2.S.3.4.1S Scaling of RVLIS Level Values R2.5.3.4.15-1 R2.S.3.4.1S-1 a,c I[ J R2.5.3.4.15-2 R2.S.3.4.1S-2

[I Ial R2.S.3.4.1S-3 R2.5.3.4.15-3

[ I a,l R2.5.3.4.15-4 R2.S.3.4.1S-4

[I I 'Il R2.5.3.4.15-5 R2.S.3.4.1S-S

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[ R2.5.3.4.16-2 R2.S.3.4.16-2 2.5.3.4.17 RVLIS Setpoints 2.S.3.4.17

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RRAS Watts Bar 22 NSSS Completion Completion Post Accident Monitoring System Monitoring System Program I&C Projects System Requirements Requirements Specification Specification I Ia,c R2.S.3.4.17-3 R2.5.3.4.17-3 a,c a,c R2.S.3.4.17-4 R2.5.3.4.17-4 a,c a,c WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-OI617-WBT-NP, 2-31 2-31

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring System Monitoring System Program I&C Projects System Requirements Specification Requirements Specification ac a.c R2.5.3.4.17-5 R2.S.3.4.17-S a,c

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R.2.5.3.4.17-6 R.2.S.3.4.17-6 ac

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R2.5.3.4.17-7 R2.S.3.4.17-7 a,c I[

R2.5.3.4.17-8 I[R25.. 1-R2.S.3.4.17-8 a,c 2.S.3.4.18 2.5.3.4.18 Reactor Vessel Level Monitoring R2.5.3.4.18-1 R2.S.3.4.18-1 a,c WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, 2-32 2-32

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring Monitoring System System Program Program I&C Projects Requirements Specification System Requirements Specification R2.5.3.4.18-2 R2.5.3.4.1S-2 a,c a,c R2.5.3.4.18-3 R2.S.3.4.1S-3

[ ]S,C a,c R2.5.3.4.18-4 R2.S.3.4.1S-4

[I ]a,c I a,c R2.5.3.4.18-5

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R2.5.3.4.18-6 R2.S.3.4.1S-6

[ J R2.5.3.4.18-7 R2.S.3.4.1S-7 a,c

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R2.5.3.4.18-8 R2.S.3.4.1S-S a,c

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2.5.3.4.19 2.S.3.4.19 RVLIS RVLIS Constants R2.5.3.4.19-1 R2.S.3.4.19-1 a,c1 a,c R2.5.3.4.19-2 R2.S.3.4.19-2 a~c a,c

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R2.5.3.4.19-3 R2.S.3.4.19-3

[ J WNA-DS-01617-WBT-NP, Rev. 11

.. WNA-DS-01617-WBT-NP, 2-33 2-33

RRAS RRAS Watts Bar 2 NSSS Completion Completion Post Accident Accident Monitoring Monitoring System System Program I&C Program I&C Projects Projects System System Requirements Requirements Specification Specification I[0503040 R2.5.3.4.19-4 19-4 ac

.R2.5.3.4.19-5 R2.5.3.4.19-5

(( ac 2.5.3.4.20 2.5.3.4.20 RVLIS RVLIS RTDs RTDs R2.5.3.4.20-1 ac

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2.5.3.5 2.5.3.5 CET Processing Processing Function Function R2.5.3.5-1

[I ] a,c

["5 03.502 R2.5.3.5-2 ac

[0503.5-3 R2.5.3.5-3 Jac 05_4 J

[503 R2.5.3.5-4 a,c R2.5.3.5-5 J

[If a RJT input is bypassed, 25'C and removed from the average calculation.]

bypassed, it shall be set to a value of 25°C R2.5.3.5-6

[I IHo R2.5.3.5-7 a,c J

WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 11 2-34 2-34

RRAS Watts Bar 2 NSSS NSSS Completion Completion Post Accident Monitoring System Program I&C Projects System Requirements Specification -

Requirements Specification 2.6 2.6 PAMS DISPLAY PAMS DISPLAY PAMS displays are provided PAMS provided on the OM and the MTP. The OM and MTP are described described in the following following sections. Specifications Specifications for the generic FPDS are provided provided in Reference Reference 4.

2.6.1 2.6.1 Operator Interface R2.6.1-1

[Digital output alarms shall be used to alert the operator operator that setpoints for minimum minimum subcooled subcooled margins, high representative temperature, or minimum reactor vessel are being exceeded, representative CET temperature, exceeded, or that PAMS PAMS problems/troubles problems/troubles are occurring.]

R2.6.1-2 R2.6.1-2

[Analog outputs shall provide information on subco,oled subcooled margins, CET temperatures, and the RVL which can be monitored monitored by the operator.]

R2.6.1-3 R2.6.1-3 including visual alarms and provide human engineered displays of all PAMS information including

[The OM shall provide indications.]

indications.]

R2.6.1-4 R2.6.1-4

[The MTP shall provide a technician interface interface for maintenance maintenance and test functions.]

2.6.2 2.6.2 OM OM R2.6.2-1

[The OM shall be located in the Watts Bar Unit 2 control control room panel.]

R2.6.2-2 R2.6.2-2 a. 'c a,c R2.6.2-3 a, C I[

R2.6.2-4

[The OM hardware hardware shall consist of a subset of the hardware as defined by Reference Reference 4.]

R2.6.2-5

[The OM shall consist of a PC node box and a flat panel monitor.]

WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1 2-35

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring Monitoring System System Program Program I&C Projects Specification System Requirements Specification R2.6.2-6 ac R2.6.2-7 Rl.6.2-7 J

[

R2.6.2-8 R2.6.2-8

[ ]ac

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R2.6.2-9 R2.6.2-9

[I Iac R2.6.2-10 Rl.6.2-10

[

II I8,C R2.6.2-11 R2.6.2-11

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2.6.2.1 2.6.2.1 OM Display R2.6.2.1-1

[The OM display shall contain the following display pages:

1. A directory

1. directory page with listing for core pages, ReS RCS pages, trend menu pages, system status pages, setpoints and bypass pages, and functional tests and modify timeout/modify timeout/modify default default pages.

2. A scrollable system event list page capable capable of listing listing all active/current active/current database database points with a failed status.

3. A scrollable alarm list page page capable capable of listing all active/current oflisting active/current alarms.

alarms.

4. A scrollable setpoint setpoint display that provides provides a listing ofthe of the system system setpoints setpoints and allows allows for modification modification of the setpoints.

5. A scrollable bypass display that provides provides a listing of signals signals that can be bypassed bypassed and the status ofof the bypassed signals.

6. A scrollable scrollable system event log display that tp.at provides a listing of at least the 30 failed database database points.

7. A scrollable alarm log display that provides at least the last 30 alarms.

8. An FPD status list page containing containing at least the last 100 status and diagnostics messages generated messages generated by the FPD.]

WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, 2-36 2-36

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[ ]¥ Ia,c 2.9.4 Response Response to Loss and Restoration Restoration of Power Power All components shall have a designed response to the loss and restoration of power. Loss of All system components of power is defined defined as the loss of the AC source supplying each system component. Restoration Restoration of power power refers to one or both AC sources sources becoming available to power the system component.

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RRAS RRAS Watts Bar Bar 22 NSSS Completion Completion Post Post Accident Accident Monitoring Monitoring System System Program Program I&C I&C Projects Projects System Requirements Specification System Requirements Specification SECTION 33 SECTION SYSTEM SYSTEM CAPABILITIES, CAPABILITIES, CONDITIONS, CONDITIONS, AND AND CONSTRANTS CONSTRANTS 3.1 3.1 PHYSICAL PHYSICAL 3.1.1 3.1.1 Construction Construction R3.1.1-1 R3.1.1-1

[The PAMS PAMS train cabinets cabinets shall shall be located located in a restricted restricted access environmentally suitable area such as access and environmentally the the MCR.]

MeR.]

R3.1.1-2 R3.1.1-2

[Access to the cabinets shall normally be required during system system testing, calibration, or maintenance.]

maintenance.]

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R3.1.7-2 ac 3.2 PERFORMANCE CHARACTERISTICS SYSTEM PERFORMANCE CHARACTERISTICS Accuracy requirements Accuracy requirements shall be defined for system errors for each type of input, for conversions conversions (input and fluid property property calculations),

calculations), for calculated calculated variables, and for display resolution during normal and abnormal operating abnormal operating conditions. The accuracies accuracies and resolution for the PPAMS demonstrated by AMS shall be demonstrated calculation and calculation and testing testing to to meet meet or exceed exceed the plant specific requirements requirements for Watts Bar Unit 2. The accuracy and resolution are documented accuracy documented in Section Section 3.2.1.

3.2.1.

3.2.1 3.2.1 Accuracy Accuracy Requirements R3.2.1-1

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RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring Monitoring System Systein I Program I&C Projects Projects System Requirements Specification Requirements Specification SECTION 4 SYSTEM INTERFACES The Common Q PAMSPAMS is required to interface with the plant equipment equipment and signals as defined in Reference 11.

Reference 11. Therefore, Therefore, this section is provided provided for informational informational purposes.

Each PAMS train cabinet housing the respective PAMS processor processor and MTP, interfaces with the following followit;lg equipment:

- Plant Process Instrumentation Instrumentation Cabinet, Plant Protective Cabinet, or Plant Protection System (PPS) - Each PAMS PAMS train obtains signals for for: each safety-related safety-related plant input parameter from one' or more of these sources.

" Vital Bus Power Supply System - Each PAMS train cabinets receives 120 Vac power from separate vital buses. '

separate

- Annunciator System (PAS) - Each PAMS train provides Plant Annunciator provides alarm outputs, which may be provided to the PAS.

- Main Control Board Board (MCB) - Each PAMS train provides OMs for MCB displays.

" Plant computer computer - Each PAMS PAMS train has an MTP mounted in the respective respective train cabinets. The MTP provides a fiber optically optically isolated data link to the plant computer. .

4.1 PAMS PAMS POWER INTERFACE REQUIREMENTS R4.1-1

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The PAMS algorithms algorithms also process these inputs to provide output indications to plant operations.

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[ J WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, 4-2

RRAS Watts Bar 22 NSSS Completion Completion Post Accident Monitoring System System Program Program I&C Projects System Requirements Specification Requirements Specification R4.2.2-4 a,c

[R R4.2.2-5 R4.2.2-5 a,c

[ J 4.3 PAMS OUTPUT OUTPUT SIGNALS SIGNALS The two PAMS PAMS trains process the channel channel inputs so as to provide ICC condition including condition monitoring, including RVL monitoring, and provide the following outputs in each train:

0 Analog Analog outputs

S Contact digital outputs S Data Data link outputs 4.3.1 Analog Output Signals The analog outputs provide provide information on ICC conditions, RVL, and temperatures temperatures which can be monitored by the operator. These outputs may be used to trend conditions conditions in the reactor and provide the operator with sufficient sufficient time to take appropriate actions to avoid ICC conditions or core uncovering.

R4.3.1-1 a,c

[ J R4.3.1-2 R4.3.1-2 a,c

[ ]

R4.3.1-3 R4.3.1-3

[ I]a,c a,C R4.3.1-4 a,c WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, 4-3 4-3

RRAS Watts Bar 2 NSSS Completion Completion Post Accident Monitoring System Monitoring System Program Program I&C Projects Projects System Requirements Specification Requirements Specification 4.3.2 Digital Output Signals The digital outputs provide alarms for indication indication on the plant amlUnciators annunciators and are monitored monitored by by operators. These indications indications provide provide warnings that a setpoint setpoint for minimum RVL are being exceeded exceeded and that PAMS problems and/or troubles are occurring. The operator operator then knows appropriate appropriate actions must be implemented implemented to avoid ICC conditions, conditions, core uncovering, or further PAMS PAMS problems.

R4.3.2-1

(( 1°,C R4.3.2-2

[

Ia2C R4.3.2-3 a,c a,c R4.3.2-4 ac ac R4.3.2-5 R4.3.2-5 a,c R4.3.2-6 I Ia,c

[

WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1I 4-4 4-4

RRAS Bar, 2 NSSS Completion RRAS Watts Bar Completion Post Accident Accident Monitoring System Program Program I&C Projects System Requirements Requirements Specificatioh Specification ac R4.3.2-7 R4.3.2-7 a,c ac R4.3.2-8 R4.3.2-8 a,c a,c Table 4.3-1.

4.3-1. [ I a,c a,c WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, 4-5 4-5

RRAS Watts Bar 2 NSSS Completion Post Accident Monitoring System Monitoring System Program I&C Projects System Requirements Specification Requirements Specification 4.3.3 Data Links R4.3.3-1 ac R4.3.3-2 R4.3.3-2

[ -]a8,C

].~

R4.3.3-3 Ja~c I[ ]¥ Table 4.3-2. [ Io a,c a,c I

I I ----------------------------------------------------------------------------

WNA-DS-01617-WBT-NP, WNA-DS-01617-WBT-NP, Rev. 1I 4-6 4-6

RRAS Watts Bar 2 NSSS Completion RRAS Completion Post Accident Monitoring System Program I&C Projects System Specification System Requirements Specification Table 4.3-2. [ ] ,C a,e a,c WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, 4-7 4-7

RRAS Watts Bar 22 NSSS Completion Post Accident Monitoring System Monitoring System Program I&C Projects System Requirements Requirements Specification Specification 4.4 BYPASSES R4.4-1 R4.4-1

[ I]a~

ac 4.4.1 PAMS Watchdog Timer Watchdog Timer R4.4.1-1 I[ ]~

Ia,C (Last Page of Section Section 4)

WNA-DS-01617-WBT-NP, Rev. 1 WNA-DS-01617-WBT-NP, 4-8 4-8

Enclosure 6 Application for Withholding Proprietary Information Withholding Proprietary Information From Public Disclosure CAW-10-2876 Disclosure CAW-10-2876 Dated Dated June 30, 2010 2010

Subject:

WNA-DS-01617-WBT-P, WNA-DS-01617-WBT-P, Revision 1, "RRAS "RRAS Watts Bar 2 NSSS NSSS Completion Program Program I&C Project Project Post Accident Monitoring System -

Accident Monitoring Requirements Specification" System Requirements Specification" (Proprietary)

eWestinghou

Westinghouse Westinghouse Electric Company Nuclear Nuclear Services Services Westinghouse P.O. Box 355 Electric Company P.O. Box 355 Pittsburgh, Pennsylvania USA Pennsylvania 15230*0355 15230-0355 U.S. Nuclear Nuclear Regulatory Commission Commission Direct tel:

Direcltcl: (412) 374-4643 Document Document Control Control Desk Direct fax: 374-3846 (412) 374-3846 Washington, DC 20555-0001 Washinbrton, 20555-0001 e-mail:

c-mail: greshaja@westinghousc.com greshaja@westinghouse~com Proi Proj letter: WBT-D-2094 WBT-D-2094 CAW- 10-2876 CAW-I 0-2876 June 30, 2010 2010 APPLICATION FOR WlTHHOLDING APPLICATiON WITHHOLDING PROPR1ET PROPRIETARY ARY INFORMATION FROM PUBLIC DISCLOSURE iNFORMATION DISCLOSURE

Subject:

WNA-DS-0 1617-W BT-P, Rev. 1, WNA-DS-016J7-WBT-P, 1, "RRAS "RRAS Watts Bar 2 NSSS Completion Completion Program (&C r&C Projects Post Projects Post Accident Accident Monitoring Monitoring System System - System System Requirements Specification" (Proprietary)

Requirements Specification" (Proprietary)

The proprietary proprietary infonnation information for which withholding withholding is being requested in the above-referenced above-referenced report is further identified further in Affidavit CA identified in CAW-10-2876 W-10-2876 signed by the owner of the proprietary infonnation, information, Westinghouse Electric Westinghouse Electric Company LLC. The affidavit affidavit, which accompanies this letter, sets forth the basis on which the on which the information may be information may be withheld withheld from public disclosure disclosure by the Commission and addresses with specificity specificity the considerations considerations listed in (b)(4) in paragraph (b)( 4) of 10 CFR Section Section 2.390 of the Commission's Commission's regulations. .

Accordingly, this letter Accordingly, this letter authorizes the utilization of the accompanying authorizes the accompanying affidavit by Tennessee Tennessee Valley Valley Authority.

Correspondence Correspondence with respect respect to the the proprietary proprietary aspects of the application application for withholding withholding or the Westinghouse affidavit should reference CAW-10-2876, reference this letter, CA W-IO-2876, and should be addressed to J. A. Gresham, J. A. Gresham, Manager, Regulatory Regulatory Compliance Compliance and Plant Licensing, Licensing, Westinghouse Electric Westinghouse Electric Company CompanyLLC, LLC, P.O. Box 355, Pittsburgh, Pennsylvania Pennsylvania]15230-0355.

5230-0355.

Very truly y urs, lJ.OJ:L J A.

A. Gresham, Gresham, Manager Regulatory Compliance and Plant Licensing Regulatory Licensing Enclosures Enclosures

CA W-1O-2876 CAW-1 0-2876 AFFIDAVIT AFFIDAVIT COMMONWEALTH COMMONWEALTH OF PENNSYLVANIA: PENNSYLVANIA:

ss S5 COUNTY OFAALLEGHENY:

COUNTY OFALLEGHENY:

Before l11e, Before me, the the undersigned undersigned authority, authority, personally appeared appeared J. A. Gresham, who, being by me duly sworn according sworn according to to law, law, deposes deposes and says that he is authorized authorized to execute this Affidavit on behalf of behalf of Westinghouse Westinghouse Electric LLC (Westinghouse),

Company LLC Electric Company (Westinghouse), and that the averments offact of fact set forth in this Affidavit are Affidavit are true and correct to the best of his knowledge, information, information, and belief:

belief:

..A. Gresham, Manager Regulatory Compliance and Plant Licensing Sworn to and subscribed before me this 30th day of June 2010 2010 Notary Notary Public Public COMMON WEALTHOF COMMONWEAlTH OFPENNSYLVANIA PENNSYlVANfA R

I~e~ NOTARIAL NOIARIAL SEALSEAL Penn I MV fl"~:~en=~~:~'el Commlaalon' Notery Public rownsh,.I W68tmOreGlnd eatmoreland County County IVycommfulo Expkes 3 Sowbem 26, 8.03

, E.wpkea September 2013

2 CAW-10-2876 CAW-IO-2876 (1) I am Manager.,

Manager, Regulatory' Regulatory Compliance and Plant Licensing, in Nuclear Services, Westinghouse Services, Westinghouse Electric Company LLC (Westinghouse), and as such, sllch, I have been specifically specifically delegated the function of reviewing the proprietary proprietary information sought to be withheld from public disclosure disclosure in connection with nuclear connection nuclear power plant licensing and rule making proceedings, proceedings, and am authorized to apply torfor its withholding on behalf of Westinghouse.

(2) I1am making this Affidavit in conformance conformance with the provisions of 10 CFR Section Section 2.390 of the the Commission's regulations and in conjunction with the Westinghouse Application for Withholding Withholding Proprietary Information Information from Public Disclosure Disclosure accompanying this Affidavit.

(3)

(3) 1I have personal personal knowledge of the criteria and procedures procedures utilized Westinghouse in designating utilized by Westinghouse information as a trade secret, privileged privileged or as confidential confidential commercial commercial or financial information.

infonnation.

(4)

(4) Pursuant to the provisions of paragraph paragraph (b(b)(4)

)(4) of Section 2.390 of the Commission's Commission's regulations, the following is furnished for consideration consideration by the Commission in detennining determining whether the information sought to be withheld from public disclosure should be withheld.

(i) The intonnatioll infornation sought to be withheld from public disclosure is owned owned and has been held in contidence confidence by Westinghollse.

Westinghouse.

(ii) [he information is The of a type customarily isofa customarily held in confidence confidence by Westinghouse Westinghouse and not customarily customarily disclosed to the public. Westinghouse Westinghouse has a rational basis for determining determining information customarily the types of information customarily held in confidence confidence by it and, in that connection, connection, utilizes a system to determine when and whether to hold certain types of information in confidence. The application of that system and the substance ofthat substance of that system constitutes constitutes Westinghouse policy and provides the rational basis required.

Under that system, information information is held in confidence if it falls in one or more of several types. the release of which might result in the loss of an existing types, existing or potential competitive potential competitive advantage, advantage, as follmvs:

follows:

(a)

(a) The information infoffilation reveals reveals the distinguishing aspects of a process (or component, structure, tool, method, method, etc.)

etc.) where where prevention of its use by any of of

3 CAW-l 0-2876 CAW-10-2876 Westinghouse's co~petitors Westinghouse's competitors without license fromfr'om Westinghouse Westinghouse constitutes a competitive economic advantage over oiher competitive economic companies.

other companies.

(b)

(b) It consists of supporting data, including test data, relative relative to a process process (or component, structure, component, structlire, tool, method, etc.), the application of which data secures secures a competitive competitive economic econoinic advantage, advantage, e.g., by optimization optimization or improved improved marketability.

(c)

(c) Its use by a competitor expenditure of resources competitor would reduce his expenditure resources or improve his his competitive position in the design, design, manufacture, shipment, installation, assurance of quality, or licensing a similar product.

(d)

(d) It reveals cost or price infon11ation, information, production capacities, capacities, budget levels, or commercial Westinghouse, its customers or suppliers.

commercial strategies of Westinghouse, (e)

(e ) I tIt reveals aspects of past, present, or future Westinghouse Westinghouse or customer funded development plans and programs of potential potential commercial commercial value to Westinghouse.

Westinghouse.

(f)

(f) It contains patentable patentable ideas, for which patent protection protection may be desirable.

There are sound policy policy reasons behind the Westinghouse Westinghouse system systemn which which include the the following:

(a) The use of such infolmation information by Westinghouse Westinghouse gives gives Westinghouse a competitive.

advantage over its competitors. It is, therefore, therefore, withheld from disclosure to protect the Westinghouse Westinghouse competitive position.

(b) It is information information that is marketable in many ways. The extent to which such such information information is available to competitors competitors diminishes the Westinghouse ability to sell products and services involving the use of the information.

information.

(c) Use by our competitor competitor would put Westinghouse at a competitive competitive disadvantage disadvantage by reducing his expenditure expenditure of resources resources at our expense.

4 CAW-10-2876 CA W - I 0-2876 (d)

(d) Each component component of proprietary information pertinent proprietary information pertinent to a particular competitive advantage is potentially potentially as valuable as the total competitive advantage.

advantage. If competitors competitors acquire acquire components components of proprietary any one component proprietary information, anyone component may be the key to the entire entire puzzle, thereby Westinghouse of a thereby depriving Westinghouse competitive competitive advantage.

advantage.

(e) Unrestricted disclosure would jeopardize the position prominence of position of prominence of Westinghouse Westinghollse in the world market, and thereby thercby give a market advantage to the competition of those countries.

competition (f)

(f) The Westinghouse Westinghouse capacity capacity to invest corporate assets in research research and development development depends depends upon the success success in obtaining obtaining and maintaining maintaining a competitive competitive advantage.

advantage.

(iii)

(iii) The information information is being transmitted to the Commission in confidence confidence and, under the the provisions of 10 CFR Section 2.390; it is to be received received in confidence confidence by the Commission.

Commission.

(iv)

(iv) The information information sought to be protected is not available in public sources or available information has not been previously employed in the same original information original manner or method to the best of Ollr our knowledge knowledge and belief.

(v)

(v) The proprietary sought to be withheld in this submittal proprietary information sought submittal is that which is appropriately marked appropriately marked in WNA-DS-OJ617-WBT-P, WNA-DS-01617-WBT-P, Rev. 1, "RRAS "RRAS Watts Bar2Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System System Requirements Specification," (Proprietary)

Requirements Specification," (Proprietary) dated June 2010, for submittal to the Commission, being transmitted Tennessee Valley Authority letter and Application transmitted by Tennessee Application for Withholding Proprietary Information Withholding Information from Public Disclosure, to the Document Control Desk. The proprietary proprietary information information as submitted submitted by Westinghouse Westinghouse is that associated associated with the NRC review of the Post Accident Accident Monitoring Monitoring System (PAMS) being designed for for Watts Bar Unit 2 and may be used only for that purpose.

5 CAW-10-2876 CA W -10*2876 information is part of that which This information which will enable Westinghouse Westinghouse to:

(a) Assist the customer customer in providing requested requested technical technical licensing information information to thethe NRC that is required required for approval Common Q approval of the Common Q Post Accident Monitoring Monitoring system (PAMS).

(PAMS).

Further Further this information has substantial commercial commercial value as follows:

(a)

(a) Westinghouse Westinghouse plans to sell the use of similar information information to its customers for purpose of other plant-specific plant-specific applications.

(b)

(b) Its lise use by a competitor competitor would improve his competitive competitive position in the design and licensing licensing of a similar product.

(c)

Cc) The information requested requested to be withheld reveals the distinguishing aspects aspects of a methodology which was developed methodology developed by Westinghouse.

Westinghouse:

Public disclosure disclosure of this proprietary proprietary information infomlation is likely substantial halm likely to cause substantial harm to the the competitive position of Westinghouse competitive Westinghouse because enhance the ability of because it would enhance of competitors competitors to provide similar instrumentation instrumentation & control control systems and licensing defense defense services commercial power services for commercial power reactors reactors without without commensurate commensurate expenses. Also, public disclosure disclosure of the iniom1ation information would enable enable others to use the information to meet NRC NRC requirements requirements for licensing documentation without licensing documentation without purchasing the right to use lise the information.

The development of the technology technology described in part by the information is the result of of applying applying the results of many years of experience in an intensive Westinghouse effort intcnsive Westinghouse effort and the expenditurc expenditure of a considerable considerable sum slim of money.

In order for competitors competitors of Westinghouse to duplicate this information, information, similar technical programs would have to be performed performed and a significant effort, having the significant manpower eilort, requisite talent and experience, would have to be expended.

expended.

Further the deponent deponent sayeth not.

PROPRIETARY INFOIZMIATION PROPRIETARY INFORMATION NOTICE NOTICE Transmitted herewith are proprietary Transmitted proprietary and/or non-proprietary non-proprietary versions versions of documents furnished to the NRC in connection connection with requests for generic and/or plant-specific plant-specific review and approval.

approval.

In order to conform conform to the requirements of 10 CFR 2.390 of the Commission's Commission's regulations regulations concerning concerning the protection of proprietary proprietary information information so submitted submitted to the NRC, the information which is proprietary proprietary in the proprietary versions is contained proprietary contained within brackets, and where the proprietary information has been deleted proprietary information deleted in the non-proprietary versions, only the brackets brackets remain (the information that was contained within the brackets brackets in the proprietary proprietary versions versions having been deleted). The justification justification for claiming the infol1uation information so designated as proprietary proprietary is indicated indicated in both versions by by means of lower case letters (a)

(a) through (f) located as a superscript superscript immediately immediately following the brackets enclosing enclosing each item of information information being being identified as proprietary proprietary or in the margin opposite opposite such information.

information. These These lower case case letters refer to the the types of information informatioll Westinghouse customarily holds in confidence confidence identified Sections (4)(ii)(a) identified in Sections through (4)(ii)(f) of the affidavit accompanying accompanying this transmittal pursuant to 10 eFR CFR 2.390(b)(

2.390(b)(1).I).

COPYRIGHT COPYRIGHT NOTICE The reports transmitted herewith herewith each each bear a Westinghouse copyright noticc.

Westinghouse copyright notice. The NRC is permitted to make the number of copies of the information information contained contained in these reports which are necessary necessary for its internal internal use in connection with generic and plant-specific plant-specific reviews and approvals as well as the issuance, issuance, denial, amendment, renewal, modification, amendment, transfer, renewal, modification, suspension, revocation, or violation sllspension, revocation, violation of a license, license.,

permit, order, or regulation pcrnlit, regulation subject to the requirements requirements of 10 CFR 2.3902.390 regarding restrictions on public regarding restrictions public disclosure to the extent such information information has been identified identified as proprietary proprietary by Westinghollse, Westinghouse, copyright copyright protection protection notwithstanding. With respect to thc the non-proprietary non-proprietary versions of these reports, the NRC is permitted to make the number of copies beyondbeyond those necessary for its internal use which are necessary necessary in in order to have one copy copy available for public viewing viewing in thc the appropriate appropriate docket files in the public document document room in Washington, Washington, DC and in local public document rooms as may be required required by NRC regulations regulations if insufficientfor the number of copies submitted is insufficient for this purpose. Copies made by the NRC must include include the copyright notice in all instances instances and the proprietary proprietary notice if the original original was identified as proprietary.

ML102040484

Text

Subject:

Subject:

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