ML16207A556
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STPEGS UFSAR TABLE OF CONTENTS
CHAPTER 10 STEAM AND POWER CONVERSION SYSTEM
Section Title Page TC 10-1 Revision 14 10.1
SUMMARY
DESCRIPTION 10.l-l 10.2 TURBINE GENERATOR 10.2-l 10.2.1 Design Bases 10.2-l 10.2.2 System Description 10.2-1 10.2.3 Section Deleted 10.2-l2 10.2.4 Inservice Inspection 10.2-l2 10.2.5 Evaluation l0.2-l3 10.3 MAIN STEAM SUPPLY SYSTEM 10.3-l 10.3.l Design Bases 10.3-l 10.3.2 System Description 10.3-3 10.3.3 System Evaluation 10.3-7 10.3.4 Inspection and Testing Requirements 10.3-8 10.3.5 Water Chemistry 10.3-9 10.3.6 Steam and Feedwater System Materials 10.3-11 10.4 OTHER FEATURES OF THE STEAM AND POWER CONVERSION SYSTEM 10.4-l 10.4.l Condenser 10.4-l 10.4.2 Main Condenser Air Removal System 10.4-4 10.4.3 Turbine Gland Sealing System 10.4-6 10.4.4 Turbine Bypass System 10.4-8 10.4.5 Circulating Water System 10.4-9 10.4.6 Condensate Polishing Demineralizer System 10.4-l2 10.4.7 Condensate and Feedwater Systems 10.4-l5 10.4.8 Steam Generator Blowdown System 10.4-25 10.4.9 Auxiliary Feedwater System 10.4-30 APPENDIX AUXILIARY FEEDWATER SYSTEM RELIABILITY 10A EVALUATION 10A-1 10A.1 INTRODUCTION 10A-1 10A.1.1 Purpose 10A-1 10A.1.2 Objectives 10A-1 10A.1.3 Scope 10A-1 10A.1.4 General Approach 10A-1 10A.1.5 Assumptions 10A-2 STPEGS UFSAR TABLE OF CONTENTS
CHAPTER 10
Section Title Page TC 10-2 Revision 14 10A.2 SYSTEM DESCRIPTION 10A-4 10A.2.1 Introduction 10A-4 10A.2.2 Component Description 10A-5 10A.2.3 Emergency Operation 10A-7 10A.2.4 Power Sources 10A-7 10A.2.5 Testing 10A-9 10A.3 METHODOLOGY 10A-9 10A.3.1 System Review 10A-9 10A.3.2 Fault Tree Development and Quantification 10A-10 10A.3.3 Common Cause Failure Evaluation 10A-10 10A.3.4 Failure Data 10A-10 10A.3.5 Computer Programs 10A-11 10A.4 RESULTS OF THE RELIABILITY EVALUATION 10A-12 10A.4.1 Qualitative Evaluation 10A-12 10A.4.2 Quantitive Evaluation 10A-14 TC 10-3 Revision 14 STPEGS UFSAR LIST OF TABLES CHAPTER 10 Table Title Page 10.1-1 Summary of Important Design and Performance 10.1-4 Characteristics of the Steam and Power Conversion System 10.3-1 Failure Mode and Effects Analysis For the Main Steam System 10.3-13 10.3-1A HELB Failure Modes and Effects Analysis of Main Steam System 10.3-17 Electrical Equipment in IVC 10.3-2 Materials in the Steam and Feedwater Systems 10.3-24 10.4-1 Steam Generator Blowdown System Component Design Parameters 10.4-38 10.4-3 Auxiliary Feedwater System Failure Modes and Effects Analysis 10.4-40 10.4-3A HELB Failure Modes and E ffects Analysis of Auxiliary Feedwater System Electrical Equipment in IVC 10.4-48 10.4-4 Turbine By-Pass System Failure Modes and Effects Analysis 10.4-63 10.4-5 Main Condenser Design Data 10.4-64 10.4-8 Feedwater System Failure Mode and Effects Analysis 10.4-66 10.4-8A HELB Failure Modes and Effects Analysis of Feedwater System Electrical Equipment in IVC 10.4-71 10.4-9 Steam Generator Blowdown System Failure Modes and Effects Analysis 10.4-74 10.4-9A HELB Failure Modes and Effects Analysis of SGB System Electrical Equipment in IVC 10.4-76 10A-1 Component Basic Event Failure Probabilities 10A-18 10A-2 Unavailability of Components Due to Testing or Maintenance 10A-20 10A-3 AFWS Qualitative Reliability Characterization Traits 10A-21 10A-4 South Texas AFWS Unavailability (per Demand) 10A-22 10A-5 Fault Tree Component Identification Codes 10A-23 STPEGS UFSAR LIST OF FIGURES
CHAPTER 10 Figure Reference Number Title Number TC 10-4 Revision 14 10.2-l Electro-Hydraulic Control System 10.2-2 Throttle and Governor Valve Actuator Assembly 10.2-4 Emergency and Auxiliary Governor Trip System 10.2-5 Speed/Load Digital Reference System 10.2-6 Overspeed Protection Controller 10.2-7 P&ID Lube Oil Diagram 7T11-9-F-20010#1 7T11-9-F-20010#2 10.2-8 P&ID Electro Hydraulic 7T08-9-F-10001#1 Fluid System 7T08-9-F-10001#2 10.3-l P&ID Main Steam 5S10-9-F-000l6#1 5S10-9-F-00016#2 10.3-2 P&ID Main Steam 6S10-9-F-000l7#1 6S10-9-F-00017#2 10.3-3 P&ID Main Steam 6S10-9-F-000l8#1 6S10-9-F-00018#2 10.3-4 P&ID Extraction Steam 6S15-9-F-000l9#1 6S15-9-F-00019#2 10.3-5 MSIV 10.4.2-l P&ID Condenser Air Removal 8T21-9-F-0003l#1 8T21-9-F-00031#2 10.4.3-1 P&ID Turbine Gland Seals 6T12-9-F-00050#1 6T12-9-F-00050#2 STPEGS UFSAR LIST OF FIGURES (Continued)
CHAPTER 10 Figure Reference Number Title Number TC 10-5 Revision 14 10.4.5-l Piping Diagram Circulating Water 9T22-1-F-00032 System 9T22-2-F-00032 10.4.6-l P&ID Condensate Polishing Cation 9S21-9-F-20011#1 Demineralizer System 9S21-9-F-20011#2 10.4.6-2 P&ID Condensate Polishing 9S21-9-F-20012#1 Mixed-Bed Demineralizer System 9S21-9-F-20012#2 10.4.6-3 P&ID Condensate Polishing 9S21-9-F-20013#1 Demineralizer Air-Water Supply and 9S21-9-F-20013#2 Sampling System 10.4.6-4 P&ID Condensate Polishing 9S21-9-F-20014#1 Demineralizer Regeneration System 9S21-9-F-20014#2 10.4.6-5 P&ID Condensate Polishing 9S21-9-F-20015#1 Waste Disposal System 9S21-9-F-20015#2 10.4.7-l P&ID Condensate 6S12-9-F-0002l#1 6S12-9-F-00021#2 10.4.7-2 P&ID Condensate 6S12-9-F-00022#1 6S12-9-F-00022#2 10.4.7-3 P&ID Feedwater System 6S13-9-F-20009#1 6S13-9-F-20009#2 6S13-9-F-00061#1 6S13-9-F-00061#2 STPEGS UFSAR LIST OF FIGURES (Continued)
CHAPTER 10 Figure Reference Number Title Number TC 10-6 Revision 14 10.4.7-4 P&ID Feedwater 5S13-9-F-00062#1 5S13-9-F-00062#2 5S13-9-F-00063#1 5S13-9-F-00063#2 10.4.7-5 P&ID Heater Drips 8S17-9-F-00040#1 8S17-9-F-00040#2 10.4.7-6 Not Used 10.4.7-7 P&ID Heater Drips 8S17-9-F-00042#1 8S17-9-F-00042#2 10.4.7-8 P&ID Heater Drips 8S17-9-F-00043#1 8S17-9-F-00043#2 10.4.7-9 P&ID Heater Drips 8S17-9-F-00044#1 8S17-9-F-00044#2 10.4.8-l P&ID Steam Generator 5S20-9-F-20001#1 Blowdown System 5S20-9-F-20001#2 10.4.8-2 P&ID Steam Generator 5S20-9-F-20002#1 Blowdown System 5S20-9-F-20002#2 10.4.8-3 P&ID Steam Generator 7S20-9-F-20003#1 Blowdown System 7S20-9-F-20003#2 10.4.9-l P&ID Auxiliary Feedwater 5S14-1-F-00024 5S14-1-F-00024 5S14-2-F-00024 5S14-2-F-00024 10A-1 Basic Tasks of the STPEGS AFWS Reliability Evaluation
STPEGS UFSAR LIST OF FIGURES (Continued)
CHAPTER 10 Figure Reference Number Title Number TC 10-7 Revision 14 10A-3 Auxiliary Feedwater System Fault Tree (Sheets 1 through 15) 10A-4 Qualitative Comparison of the Reliability Characteristics of the STPEGS AFWS, and AFWS Designs for Other Plants Using Westinghouse NSSS