ML22278A271

Rev. 21 to Updated Final Safety Analysis Report, Chapter 10, Steam and Power Conversion System

ML22278A271
Person / Time
Site:	Limerick
Issue date:	09/19/2022
From:	Constellation Energy Generation
To:	Office of Nuclear Reactor Regulation
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LGS UFSAR CHAPTER 10 - STEAM AND POWER CONVERSION SYSTEM TABLE OF CONTENTS 10.1

SUMMARY

DESCRIPTION 10.2 TURBINE-GENERATOR 10.2.1 Design Bases 10.2.2 Description 10.2.2.1 Turbine 10.2.2.2 Generator and Exciter 10.2.2.3 Protective Valve Functions 10.2.2.4 Extraction System Check Valves 10.2.2.5 System Operation 10.2.2.5.1 Control System 10.2.2.5.2 Emergency Trip System Functions 10.2.2.6 Overspeed Protection 10.2.3 Turbine Disc Integrity 10.2.3.1 Material Selection 10.2.3.2 Fracture Toughness 10.2.3.3 High Temperature Properties 10.2.3.4 Turbine Design 10.2.3.5 Preservice Inspection 10.2.3.6 Inservice Inspection 10.2.4 Evaluation 10.2.5 Turbine-Generator Supervisory Instruments 10.2.6 Tests and Inspections 10.2.7 References 10.3 MAIN STEAM SUPPLY SYSTEM 10.3.1 Design Bases 10.3.2 Description 10.3.3 Evaluation 10.3.4 Inspection and Testing Requirements 10.3.5 Water Chemistry (PWR)

CHAPTER 10 10-i REV. 18, SEPTEMBER 2016

LGS UFSAR TABLE OF CONTENTS (cont'd) 10.3.6 Steam Supply System Materials 10.3.6.1 Fracture Toughness 10.3.6.2 Material Selection and Fabrication 10.4 OTHER FEATURES OF STEAM AND POWER CONVERSION SYSTEM 10.4.1 Main Condensers 10.4.1.1 Design Bases 10.4.1.2 Description 10.4.1.3 Safety Evaluation 10.4.1.3.1 Radioactive Gases 10.4.1.3.2 Condenser Leakage 10.4.1.3.3 Circulating Water System Rupture 10.4.1.4 Tests and Inspections 10.4.2 Main Condenser Evacuation System 10.4.2.1 Design Bases 10.4.2.2 System Description 10.4.2.2.1 Mechanical Vacuum Pump 10.4.2.2.2 Steam Jet Air Ejector 10.4.2.3 Safety Evaluation 10.4.2.4 Tests and Inspections 10.4.2.5 Instrumentation Applications 10.4.3 Steam Seal System 10.4.3.1 Design Bases 10.4.3.2 Description 10.4.3.3 Safety Evaluation 10.4.3.4 Tests and Inspections 10.4.3.5 Instrumentation Applications 10.4.4 Turbine Bypass System 10.4.4.1 Design Bases 10.4.4.2 System Description 10.4.4.3 Safety Evaluation 10.4.4.4 Tests and Inspections 10.4.4.5 Controls and Instrumentation 10.4.5 Circulating Water System 10.4.5.1 Circulating Water 10.4.5.1.1 Design Bases 10.4.5.1.2 System Description 10.4.5.1.3 Safety Evaluation 10.4.5.1.4 Tests and Inspections 10.4.5.1.5 Controls and Instrumentation 10.4.5.2 Makeup Water System CHAPTER 10 10-ii REV. 18, SEPTEMBER 2016

LGS UFSAR TABLE OF CONTENTS (cont'd) 10.4.5.2.1 Design Bases 10.4.5.2.2 System Description 10.4.5.2.3 Safety Evaluation 10.4.5.2.4 Tests and Inspections 10.4.5.2.5 Controls and Instrumentation 10.4.6 Condensate Cleanup System 10.4.6.1 Design Bases 10.4.6.2 System Description 10.4.6.3 Safety Evaluation 10.4.6.4 Tests and Inspections 10.4.6.5 Instrumentation Applications 10.4.7 Condensate and Feedwater Systems 10.4.7.1 Design Bases 10.4.7.2 System Description 10.4.7.2.1 Condensate System 10.4.7.2.2 Feedwater System 10.4.7.3 Safety Evaluation 10.4.7.4 Tests and Inspections 10.4.7.5 Instrumentation Applications 10.4.8 Steam Generator Blowdown System (PWR) 10.4.9 Auxiliary Feedwater System (PWR) 10.4.10 Auxiliary Steam System 10.4.10.1 Design Bases 10.4.10.2 System Description 10.4.10.3 Safety Evaluation 10.4.10.4 Tests and Inspections 10.4.10.5 Instrumentation Application 10.4.11 Hydrogen Water Chemistry System 10.4.11.1 Design Bases 10.4.11.2 Safety Evaluation 10.4.12 References CHAPTER 10 10-iii REV. 18, SEPTEMBER 2016

LGS UFSAR LIST OF TABLES TABLE TITLE 10.1-1 Design and Performance Characteristics of Power Conversion System for Guaranteed Conditions 10.2-1 Turbine-Generator Design Conditions 10.2-2 Turbine Overspeed Protection 10.3-1 Main Steam Supply System Design Parameters 10.4-1 Main Steam Condenser Design Parameters 10.4-2 Main Condenser Evacuation System Design Parameters 10.4-3 Steam Seal System Design Parameters 10.4-4 Circulating Water Pumps Design Parameters 10.4-5 Cooling Tower Design Parameters 10.4-6 Cooling Tower Makeup Systems Design Parameters 10.4-7 Condensate Cleanup System Design Parameters 10.4-8 Condensate System Design Parameters 10.4-9 Feedwater System Design Parameters 10.4-10 Auxiliary Steam System Design Parameters CHAPTER 10 10-iv REV. 18, SEPTEMBER 2016

LGS UFSAR LIST OF FIGURES FIGURE TITLE 10.1-1 Deleted 10.1-2 Deleted 10.2-1 Deleted 10.2-2 Deleted 10.2-3 Deleted 10.2-4 Deleted 10.2-5 Deleted 10.2-6 Deleted 10.2-7 Deleted 10.2-8 Deleted 10.2-9 Deleted 10.2-10 Intercept Valve Positioning 10.2-11 Emergency Trip System Block Diagram 10.2-12 Power Load Unbalance System and MSV2 Control 10.2-13 Pressure, Load, and Speed Control System 10.3-1 Deleted 10.4-1 Deleted 10.4-2 Deleted 10.4-3 Deleted 10.4-4 Deleted 10.4-5 Deleted 10.4-6 Deleted 10.4-7 Deleted 10.4-8 Deleted CHAPTER 10 10-v REV. 18, SEPTEMBER 2016