ML18022A313
Text
BFN-26 TABLE OF CONTENTS 7.0 CONTROL AND INSTRUMENTATION 7.1 Summary Description ....................................................................................................................... 7.1-1 7.1.1 Safety Systems ................................................................................................................... 7.1-1 7.1.2 Power Generation Systems ................................................................................................ 7.1-2 7.1.3 Safety Functions ................................................................................................................. 7.1-2 7.1.4 Plant Operational Control .................................................................................................... 7.1-4 7.1.5 Definitions ........................................................................................................................... 7.1-5 7.1.6 Environmental Qualification of Electrical Equipment ........................................................... 7.1-6 7.2 Reactor Protection System ............................................................................................................... 7.2-1 7.2.1 Safety Objective .................................................................................................................. 7.2-1 7.2.2 Safety Design Basis ............................................................................................................ 7.2-1 7.2.3 Description .......................................................................................................................... 7.2-3 7.2.4 Safety Evaluation ................................................................................................................ 7.2-16 7.2.5 Inspection and Testing ........................................................................................................ 7.2-20 7.3 Primary Containment Isolation System ............................................................................................. 7.3-1 7.3.1 Safety Objective .................................................................................................................. 7.3-1 7.3.2 Definitions ........................................................................................................................... 7.3-1 7.3.3 Safety Design Basis ............................................................................................................ 7.3-2 7.3.4 Description .......................................................................................................................... 7.3-4 7.3.5 Safety Evaluation ................................................................................................................ 7.3-22 7.3.6 Inspection and Testing ........................................................................................................ 7.3-29 7.4 Emergency Core Cooling Control and Instrumentation..................................................................... 7.4-1 7.4.1 Safety Objective .................................................................................................................. 7.4-1 7.4.2 Safety Design Basis ............................................................................................................ 7.4-1 7.4.3 Descriptions ........................................................................................................................ 7.4-3 7.4.4 Safety Evaluation ................................................................................................................ 7.4-27 7.4.5 Inspection and Testing ........................................................................................................ 7.4-29 7.5 Neutron Monitoring System .............................................................................................................. 7.5-1 7.5.1 Safety Objective .................................................................................................................. 7.5-1 7.5.2 Power Generation Objective ............................................................................................... 7.5-1 7.5.3 Identification ........................................................................................................................ 7.5-1 7.5.4 Source Range Monitor Subsystem ..................................................................................... 7.5-1 7.5.5 Intermediate Range Monitor Subsystem ............................................................................. 7.5-5 7.5.6 Local Power Range Monitoring Subsystem ........................................................................ 7.5-9 7.5.7 Average Power Range Monitor Subsystem ........................................................................ 7.5-13 7.5.8 Rod Block Monitor Subsystem ............................................................................................ 7.5-18 7.5.9 Traversing Incore Probe Subsystem ................................................................................... 7.5-20 7.0-i
BFN-26 TABLE OF CONTENTS 7.0 CONTROL AND INSTRUMENTATION 7.6 Refueling Interlocks .......................................................................................................................... 7.6-1 7.6.1 Safety Objective .................................................................................................................. 7.6-1 7.6.2 Safety Design Basis ............................................................................................................ 7.6-1 7.6.3 Description .......................................................................................................................... 7.6-1 7.6.4 Safety Evaluation ................................................................................................................ 7.6-5 7.6.5 Inspection and Testing ........................................................................................................ 7.6-5 7.7 Reactor Manual Control System ....................................................................................................... 7.7-1 7.7.1 Power Generation Objection ............................................................................................... 7.7-1 7.7.2 Safety Design Basis ............................................................................................................ 7.7-1 7.7.3 Power Generation Design Basis ......................................................................................... 7.7-1 7.7.4 Description .......................................................................................................................... 7.7-2 7.7.5 Safety Evaluation ................................................................................................................ 7.7-13 7.7.6 Inspection and Testing ........................................................................................................ 7.7-14 Appendix 7.7A Deleted Appendix 7.7B Deleted 7.8 Reactor Vessel Instrumentation ........................................................................................................ 7.8-1 7.8.1 Safety Objective .................................................................................................................. 7.8-1 7.8.2 Safety Design Basis ............................................................................................................ 7.8-1 7.8.3 Power Generation Objective ............................................................................................... 7.8-1 7.8.4 Power Generation Design Basis ......................................................................................... 7.8-2 7.8.5 Description .......................................................................................................................... 7.8-2 7.8.6 Safety Design Evaluation .................................................................................................... 7.8-8 7.8.7 Inspection and Testing ........................................................................................................ 7.8-8 7.9 Recirculation Flow Control System ................................................................................................... 7.9-1 7.9.1 Power Generation Objective ............................................................................................... 7.9-1 7.9.2 Power Generation Design Basis ......................................................................................... 7.9-1 7.9.3 Safety Design Basis ............................................................................................................ 7.9-1 7.9.4 Description .......................................................................................................................... 7.9-1 7.9.5 Safety Evaluation ................................................................................................................ 7.9-10 7.9.6 Inspection and Testing ........................................................................................................ 7.9-10 7.10 Feedwater Control System ............................................................................................................... 7.10-1 7.10.1 Power Generation Objective ............................................................................................... 7.10-1 7.10.2 Power Generation Design Basis ......................................................................................... 7.10-1 7.10.3 Description (Figures 7.10-2 through 7.10-8) ....................................................................... 7.10-1 7.10.4 Inspection and Testing ........................................................................................................ 7.10-9 7.0-ii
BFN-26 TABLE OF CONTENTS 7.0 CONTROL AND INSTRUMENTATION 7.11 Pressure Regulator And Turbine-Generator Control......................................................................... 7.11-1 7.11.1 Power Generation Objective ............................................................................................... 7.11-1 7.11.2 Power Generation Design Basis ......................................................................................... 7.11-1 7.11.3 Deleted ............................................................................................................................... 7.11-1 7.11.4 System Description (Figures 7.11-1 and 7.11-2)................................................................. 7.11-1 7.11.5 Deleted ............................................................................................................................... 7.11-4 7.11.6 Normal Operation ................................................................................................................ 7.11-4 7.12 Process Radiation Monitoring ........................................................................................................... 7.12.1 7.12.1 Main Steam Line Radiation Monitoring System .................................................................. 7.12-1 7.12.2 Air Ejector Offgas Radiation Monitoring System ................................................................. 7.12-3 7.12.3 Main Stack Radiation Monitoring System ........................................................................... 7.12-5 7.12.4 Process Liquid Radiation Monitors ...................................................................................... 7.12-7 7.12.5 Reactor Building Ventilation Radiation Monitoring System ................................................. 7.12-9 7.12.6 Plant Ventilation Exhaust Radiation Monitoring System ..................................................... 7.12-11 7.12.7 Unit Sharing of Monitoring Systems .................................................................................... 7.12-12 7.13 Area Radiation Monitoring System ................................................................................................... 7.13-1 7.13.1 Power Generation Objective ............................................................................................... 7.13-1 7.13.2 Power Generation Design Basis ......................................................................................... 7.13-1 7.13.3 Description .......................................................................................................................... 7.13-1 7.13.4 Inspection and Testing ........................................................................................................ 7.13-2 7.13.5 Additional Area Radiation Monitoring Systems ................................................................... 7.13-2 7.14 Drywell Leak Detection Radiation Monitoring System ...................................................................... 7.14-1 7.14.1 Safety Objective .................................................................................................................. 7.14-1 7.14.2 Power Generation Objectives ............................................................................................. 7.14-1 7.14.3 Power Generation Design Basis ......................................................................................... 7.14-1 7.14.4 Description .......................................................................................................................... 7.14-1 7.14.5 Safety Evaluation ................................................................................................................ 7.14-2 7.15 Health Physics Laboratory Radiation Monitoring Equipment ............................................................ 7.15-1 7.15.1 Power Generation Objective ............................................................................................... 7.15-1 7.15.2 Radiation Monitoring Equipment ......................................................................................... 7.15-1 7.15.3 Personnel Monitoring .......................................................................................................... 7.15-1 7.16 Process Computer System ............................................................................................................... 7.16-1 7.16.1 Safety Objective .................................................................................................................. 7.16-1 7.16.2 Power Generation Objective ............................................................................................... 7.16-1 7.16.3 Safety Design Basis ............................................................................................................ 7.16-1 7.16.4 Power Generation Design Basis ......................................................................................... 7.16-1 7.0-iii
BFN-26 TABLE OF CONTENTS 7.0 CONTROL AND INSTRUMENTATION 7.16.5 Description .......................................................................................................................... 7.16-2 7.16.6 Safety Evaluation ................................................................................................................ 7.16-8 7.16.7 Inspection and Testing ........................................................................................................ 7.16-9 7.17 Deleted ............................................................................................................................................ 7.17-1 7.18 Backup Control System .................................................................................................................... 7.18-1 7.18.1 Design Objectives ............................................................................................................... 7.18-1 7.18.2 Design Bases ...................................................................................................................... 7.18-1 7.18.3 Description .......................................................................................................................... 7.18-2 7.18.4 System Operation ............................................................................................................... 7.18-4 7.18.5 Design Evaluation ............................................................................................................... 7.18-4 7.18.6 Inspection and Test............................................................................................................. 7.18-5 7.19 Anticipated Transient Without Scram................................................................................................ 7.19-1 7.19.1 Design Objectives ............................................................................................................... 7.19-1 7.19.2 Design Bases ...................................................................................................................... 7.19-2 7.19.3 Descriptions ........................................................................................................................ 7.19-3 7.19.4 Design Evaluation ............................................................................................................... 7.19-4 7.19.5 Containment Cooling ......................................................................................................7.19-5 7.20 Instrument Setpoint Methodology ..................................................................................................... 7.20-1 7.20.1 Objectives ........................................................................................................................... 7.20-1 7.20.2 Design Bases ...................................................................................................................... 7.20-1 7.20.3 Descriptions ........................................................................................................................ 7.20-1 7.20.4 Instrument Setpoints - Design Output ................................................................................. 7.20-4 7.0-iv
BFN-26 LIST OF TABLES CONTROL AND INSTRUMENTATION Table Title 7.2-1 Reactor Protection System Instrumentation Specifications for Units 1 and 2 7.2-1a Reactor Protection System Instrumentation Specifications for Unit 3 7.2-2 Deleted 7.3-1 Deleted 7.3-2 Primary Containment Isolation System Instrument Specifications 7.4-1 Deleted 7.4-2 Automatic Depressurization System Instrumentation 7.4-3 Core Spray System Instrumentation 7.4-4 Low Pressure Coolant Injection Instrumentation 7.5-1 SRM Trips 7.5-2 IRM Trips 7.5-3 LPRM Trips 7.5-4a APRM Trips (Unit 1) 7.5-4b APRM Trips (Units 2 and 3) 7.5-4c Deleted 7.6-1 Refueling Interlock Effectiveness Sheet 1 Sheet 2 7.7-1 Reactor Manual Control System Instrumentation Sheet 1 Sheet 2 7.8-1 Reactor Vessel Instrumentation Sheet 1 Sheet 2 7.8-2 Primary Containment Monitoring Instrumentation Sheet 1 Sheet 2 7.12-1 Process Radiation Monitoring Systems Characteristics 7.12-2 Deleted 7.13-1 Deleted 7.13-2 Locations of Area Radiation Monitors Sheet 1 Sheet 2 Sheet 3 Sheet 4 Sheet 5 Sheet 6 7.0-v
BFN-26 Sheet 7 7.16-1 Deleted 7.16-2 Deleted 7.17-1 Deleted 7.17-2 Deleted 7.20-1 Design Output Documents Sheet 1 - Unit 1 Sheet 2 - Unit 2 Sheet 3 - Unit 3 7.0-vi
BFN-26 CONTROL AND INSTRUMENTATION LIST OF ILLUSTRATIONS Figure Title 7.1-1 Use of Protection System, Control, and Instrumentation Portions 7.2-1 Reactor Protection System, Single Line 7.2-2 Reactor Protection System, Auxiliary Instrument Room Panel 7.2-3 Reactor Protection System, Single Line 7.2-3a (Deleted) 7.2-3b (Deleted) 7.2-3c (Deleted) 7.2-3d (Deleted) 7.2-3e (Deleted) 7.2-3f (Deleted) 7.2-3g (Deleted) 7.2-3h (Deleted) 7.2-3i (Deleted) 7.2-3j (Deleted) 7.2-3k (Deleted) 7.2-3l (Deleted) 7.2-4 Schematic Diagram of Logics in Trip System A (Trip System B Similar) 7.2-5 Schematic Diagram of Actuators and Actuator Logics 7.2-6 Reactor Protection System, Scram Functions 7.2-7a Reactor Protection System Instrument Engineering Diagram 7.2-7b Reactor Protection System Instrument Engineering Diagram (Unit 3) 7.2-7c Reactor Protection System - Single Line 7.2-7d Reactor Protection System Instrument Engineering Diagram 7.2-8 Reactor Protection System, Auxiliary Instrument Panel 7.2-9 Reactor Protection System Auxiliary Instrument Room Panel 7.2-10 Typical Arrangement of Channels and Logics 7.2-11 Typical Configuration for Turbine Stop Valve Closure Scram 7.2-12 Typical Configuration for Main Steam Line Isolation Scram 7.2-13 (Deleted) 7.3-1, sht 1 Nuclear Boiler Flow Diagram 7.3-1, sht 2 Nuclear Boiler Flow Diagram 7.3-1, sht 3 Nuclear Boiler Flow Diagram 7.3-2a (Deleted) 7.3-2b (Deleted) 7.3-2c (Deleted) 7.3-2d (Deleted) 7.3-2e (Deleted) 7.3-2f (Deleted) 7.3-2g (Deleted) 7.3-2h (Deleted) 7.3-2i (Deleted) 7.3-2j (Deleted) 7.3-2k (Deleted) 7.0-vii
BFN-26 CONTROL AND INSTRUMENTATION LIST OF ILLUSTRATIONS (Cont'd)
Figure Title 7.3-2l (Deleted) 7.4-1a (Deleted) 7.4-1b sht 1 High Pressure Coolant Injection System, Flow Diagram 7.4-1b sht 2 High Pressure Coolant Injection System, Flow Diagram 7.4-1b sht 3 High Pressure Coolant Injection System, Flow Diagram 7.4-2a (Deleted) 7.4-2b (Deleted) 7.4-2c (Deleted) 7.4-2d (Deleted) 7.4-2e (Deleted) 7.4-2f (Deleted) 7.4-2g (Deleted) 7.4-2h (Deleted) 7.4-3 (Deleted) 7.4-4 (Deleted) 7.4-5a ECCS Preferred Pump Logic - Mechanical Control Diagram 7.4-5b (Deleted) 7.4-5c (Deleted) 7.4-5d Pre-ACD and Common ACD Signal - Mechanical Control Diagram 7.4-5e (Deleted) 7.4-5f (Deleted) 7.4-5g (Deleted) 7.4-5h (Deleted) 7.4-5i ECCS Preferred Pump Logic - Mechanical Control Diagram 7.4-5l Pre-ACD and Common ACD Signal - Mechanical Control Diagram 7.4-5m ECCS Preferred Pump Logic - Mechanical Control Diagram 7.4-6a sht 1 Residual Heat Removal System, Flow Diagram 7.4-6a sht 2 Residual Heat Removal System - Flow Diagram 7.4-6a sht 3 Residual Heat Removal System, Flow Diagram 7.4-6b sht 1 Residual Heat Removal System, Mechanical Flow Diagram 7.4-6b sht 2 Residual Heat Removal System - Mechanical Control Diagram 7.4-6b sht 3 Residual Heat Removal System - Mechanical Control Diagram 7.4-6b sht 4 Residual Heat Removal System - Mechanical Control Diagram 7.4-6b sht 5 Residual Heat Removal System - Mechanical Control Diagram 7.4-7a (Deleted) 7.4-7b ECCS Preferred Pump Logic - Mechanical Control Diagram 7.4-7c (Deleted) 7.4-7d (Deleted) 7.4-7e (Deleted) 7.4-7f (Deleted) 7.4-7g (Deleted) 7.4-7h (Deleted) 7.0-viii
BFN-26 CONTROL AND INSTRUMENTATION LIST OF ILLUSTRATIONS (Cont'd)
Figure Title 7.4-7i Pre-ACD and Com ACD Signal - Mechanical Control Diagram 7.4-7j (Deleted) 7.4-7k (Deleted) 7.4-7l (Deleted) 7.4-7m (Deleted) 7.4-7n (Deleted) 7.4-7p ECCS Preferred Pump - Residual Heat Removal System - Mechanical Control Diagram 7.4-8 (Deleted) 7.4-8a (Deleted) 7.4-8b (Deleted) 7.4-8c (Deleted) 7.4-8d (Deleted) 7.4-9 (Deleted) 7.5-1 (Deleted) 7.5-1a Startup Range Neutron Monitoring System, Instrument Engineering Diagram 7.5-1b Startup Range Neutron Monitoring System, Instrument Engineering Diagram 7.5-1c Startup Range Neutron Monitoring System, Instrument Engineering Diagram 7.5-2 SRM/IRM Neutron Monitoring Unit 7.5-3a Detector Drive System 7.5-3b (Deleted) 7.5-3c (Deleted) 7.5-4 Functional Block diagram of SRM Channel 7.5-5 (Deleted) 7.5-6 Source Range Monitoring System Core Locations 7.5-7 Functional Block Diagram of IRM Channel 7.5-8 IRM Locations 7.5-9 Control Rod Withdrawal Error 7.5-10 Normalized Flux Distribution for Rod Withdrawal Error 7.5-11 (Deleted) 7.5-11a Power Range Neutron Monitoring System, Instrument Engineering Diagram (Unit 2) 7.5-11b Power Range Neutron Monitoring System, Instrument Engineering Diagram (Unit 3) 7.5-11c Power Range Neutron Monitoring System, Instrument Engineering Diagram (Unit 1) 7.5-12 LPRM Locations 7.5-13 Power Range Neutron Monitoring Unit 7.5-14a LPRM to APRM Assignment Scheme (System A) (Unit 1) 7.5-14b LPRM to APRM Assignment Scheme (System B) (Unit 1) 7.5-14c Units 1, 2, and 3 LPRM to APRM Assignment Scheme 7.5-15 (Deleted) 7.5-16 (Deleted) 7.5-17 (Deleted) 7.5-17a Assignment of LPRM Assemblies to RBM's 7.5-17b Typical LPRM Assignments in RBMS (Units 1, 2, and 3) 7.0-ix
BFN-26 CONTROL AND INSTRUMENTATION LIST OF ILLUSTRATIONS (Cont'd)
Figure Title 7.5-18 RBM Channel A + C Response to Control Rod Motion 7.5-19 RBM Channel B + D Response to Control Rod Motion 7.5-20 Assignment to LPRM Strings to TIP Machines 7.5-21 Traversing In-Core Probe Subsystem Block Diagram 7.5-22 Traversing In-Core Probe Assembly 7.5-23a Neutron Monitoring System Physical Arrangement 7.5-23b Neutron Monitoring System Physical Arrangement 7.5-23c Neutron Monitoring System Physical Arrangement (Units 2 and 3) 7.5-23d Neutron Monitoring System Physical Arrangement (Unit 1) 7.5-24 (Deleted) 7.5-24a (Deleted) 7.5-24b (Deleted) 7.5-24c (Deleted) 7.5-24d (Deleted) 7.5-24e (Deleted) 7.5-24f (Deleted) 7.5-25 Ranges of Neutron Monitoring System 7.5-26 Typical IRM Circuit Arrangement for Reactor Protection System Input 7.5-27 (Deleted) 7.5-28 (Deleted) 7.6-1 Refueling Interlocks, Functional Block Diagram 7.7-1 Reactor Manual Control System Instrumentation 7.8-1 Reactor Vessel Instrumentation 7.8-2 Primary Containment Monitoring Instrumentation 7.12-1 Process Radiation Monitoring Systems Characteristics 7.12-2 (Deleted) 7.13-1 (Deleted) 7.13-2 Locations of Area Radiation Monitors 7.16-1 (Deleted) 7.16-2 (Deleted) 7.17-1 (Deleted) 7.17-2 (Deleted) 7.20-1 Design Output Documents Sheet 1 - Unit 1 Sheet 2 - Unit 2 Sheet 3 - Unit 3 7.0-x
BFN-26 CONTROL AND INSTRUMENTATION LIST OF ILLUSTRATIONS (Cont'd)
Figure Title 7.8-3 Reactor Vessel Temperature Monitoring System Physical Arrangement 7.9-1 (Deleted) 7.9-2 (Deleted) 7.9-3 (Deleted) 7.9-4a (Deleted) 7.9-4b (Deleted) 7.9-4c (Deleted) 7.9-4d (Deleted) 7.9-4e (Deleted) 7.9-4f (Deleted) 7.10-1 (Deleted) 7.10-2 Feedwater Control System, Mechanical Control Diagram 7.10-3 Feedwater Control System, Mechanical Control Diagram 7.10-4 Feedwater Control System, Mechanical Control Diagram 7.10-5 Feedwater Control System - Mechanical Control Diagram 7.10-6 Feedwater Control System - Mechanical Control Diagram 7.10-7 Feedwater Control System - Mechanical Control Diagram 7.10-8 Feedwater Control System - Mechanical Control Diagram 7.11-1 (Deleted) 7.11-2 Turbine Control and Reactor Pressure Control System Functional Block Diagram 7.12-1 (Deleted) 7.12-2a sht 1 Radiation Monitoring System - Mechanical Control Diagram 7.12-2a sht 2 Radiation Monitoring System - Mechanical Control Diagram 7.12-2a sht 3 Radiation Monitoring System - Mechanical Control Diagram 7.12-2a sht 4 Radiation Monitoring System - Mechanical Control Diagram 7.12-2a sht 5 Radiation Monitoring System - Mechanical Control Diagram 7.12-2a sht 6 Radiation Monitoring System - Mechanical Control Diagram 7.12-2a sht 7 Radiation Monitoring System - Mechanical Control Diagram 7.12-2b sht 1 (Deleted) 7.12-2b sht 2 Radiation Monitoring System - Mechanical Control Diagram 7.12-2b sht 3 (Deleted) 7.12-2b sht 4 Radiation Monitoring System - Mechanical Control Diagram 7.12-2b sht 5 Radiation Monitoring System - Mechanical Control Diagram 7.12-2b sht 6 Radiation Monitoring System - Mechanical Control Diagram 7.13-1 (Deleted) 7.16-1 (Deleted) 7.17-1 (Deleted) 7.17-2 (Deleted) 7.17-3 (Deleted) 7.17-4 (Deleted) 7.17-5 (Deleted) 7.17-6a (Deleted) 7.0-xi
BFN-26 7.17-6b (Deleted) 7.0-xii
BFN-26 CONTROL AND INSTRUMENTATION LIST OF ILLUSTRATIONS (Cont'd)
Figure Title 7.17-6c (Deleted) 7.17-7 (Deleted) 7.17-8a (Deleted) 7.17-8b (Deleted) 7.17-8c (Deleted) 7.17-8d (Deleted) 7.17-9a (Deleted) 7-17-9b (Deleted) 7.17-9c (Deleted) 7.17-9d (Deleted) 7.0-xiii