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CHAPTER 6 ENGINEERED SAFETY FEATURES TABLE OF CONTENTS PAGE 6.0 ENGINEERED SAFETY FEATURES 6.1-1 6.1 GENERAL 6.1-1 6.2 DESIGN BASIS 6.2-1 6.
2.1 REFERENCES
6.2-2 6.3 SAFETY INJECTION SYSTEM 6.3-1 6.3.1 SYSTEM DESCRIPTION 6.3-1 6.3.2 SYSTEM COMPONENTS 6.3-4 6.3.2.1 High-Pressure Safety Injection Pumps 6.3-4 6.3.2.2 Low-Pressure Safety Injection Pumps 6.3-5 6.3.2.3 Safety Injection Tanks 6.3-6 6.3.2.4 Refueling Water Tank 6.3-7 6.3.2.5 Shutdown Cooling Heat Exchangers 6.3-7 6.3.2.6 Piping 6.3-8 6.3.3 SYSTEM OPERATION 6.3-9 6.3.3.1 ECCS Long-Term Cooling Flush 6.3-9 6.3.4 DESIGN EVALUATION 6.3-10 6.3.5 SYSTEM RELIABILITY AND AVAILABILITY 6.3-11 6.3.5.1 Tank Reliability 6.3-13 6.3.6 ROUTINE TESTS AND INSPECTIONS 6.3-13 6.4 CONTAINMENT SPRAY SYSTEM 6.4-1 6.4.1 DESIGN BASIS 6.4-1 6.4.2 SYSTEM DESCRIPTION 6.4-1 6.4.3 DESIGN EVALUATION 6.4-3 6.4.4 SYSTEM RELIABILITY 6.4-4 6.4.5 TESTING 6.4-5 6.
4.6 REFERENCES
6.4-5 6.5 CONTAINMENT AIR RECIRCULATION AND COOLING SYSTEM 6.5-1 6.5.1 DESIGN BASIS 6.5-1 6.5.2 SYSTEM DESCRIPTION 6.5-1 6.5.3 SYSTEM OPERATION 6.5-2 6.5.4 DESIGN EVALUATION 6.5-3 6.5.5 AVAILABILITY AND RELIABILITY 6.5-4 6.5.6 TESTS AND INSPECTIONS 6.5-4 6.6 CONTAINMENT PENETRATION ROOM VENTILATION SYSTEM 6.6-1 6.6.1 DESIGN BASIS 6.6-1 6.6.2 SYSTEM DESCRIPTION 6.6-1 6.6.3 SYSTEM COMPONENTS 6.6-1 6.6.4 SYSTEM OPERATION 6.6-2 6.6.5 DESIGN EVALUATION 6.6-2 CALVERT CLIFFS UFSAR 6-i Rev. 50
CHAPTER 6 ENGINEERED SAFETY FEATURES TABLE OF CONTENTS PAGE 6.6.6 AVAILABILITY AND RELIABILITY 6.6-2 6.6.7 TESTS AND INSPECTIONS 6.6-3 6.6.8 REFERENCE 6.6-3 6.7 CONTAINMENT IODINE REMOVAL SYSTEM 6.7-1 6.7.1 DESIGN BASIS 6.7-1 6.7.2 SYSTEM DESCRIPTION 6.7-1 6.7.3 SYSTEM COMPONENTS 6.7-1 6.7.4 SYSTEM OPERATION 6.7-2 6.7.5 DESIGN EVALUATION 6.7-2 6.7.6 AVAILABILITY AND RELIABILITY 6.7-3 6.7.7 TESTS AND INSPECTIONS 6.7-3 6.
7.8 REFERENCES
6.7-3 6.8 HYDROGEN CONTROL SYSTEMS 6.8-1 6.8.1 GENERAL 6.8-1 6.8.2 Deleted 6.8-1 6.8.3 CONTAINMENT VENT SYSTEM 6.8-1 6.9 AUXILIARY FEEDWATER PUMP ROOM EMERGENCY COOLING 6.9-1 6.9.1 DESIGN BASIS 6.9-1 6.9.2 SYSTEM DESCRIPTION 6.9-1 6.9.3 SYSTEM COMPONENTS 6.9-1 6.9.4 SYSTEM OPERATION 6.9-1 6.9.5 DESIGN EVALUATION 6.9-1 6.9.6 AVAILABILITY AND RELIABILITY 6.9-1 6.9.7 TESTS AND INSPECTIONS 6.9-1 6.10 ELECTRICAL HEAT TRACING SYSTEM 6.10-1 6.11 DELETED CALVERT CLIFFS UFSAR 6-ii Rev. 50
CHAPTER 6 ENGINEERED SAFETY FEATURES LIST OF TABLES TITLE PAGE 6-1 HIGH-PRESSURE SAFETY INJECTION PUMP DATA
SUMMARY
6.3-15 6-2 LOW-PRESSURE SAFETY INJECTION PUMP DATA 6.3-16 6-3 SAFETY INJECTION TANK DATA 6.3-17 6-4 REFUELING WATER TANK DATA 6.4-6 6-5 SHUTDOWN COOLING HEAT EXCHANGER DATA 6.3-18 6-6 CONTAINMENT SPRAY SYSTEM COMPONENT DESCRIPTION 6.4-7 6-7 SINGLE FAILURE CHARACTERISTICS OF CONTAINMENT SPRAY 6.4-9 SYSTEM 6-8 COOLING UNIT MATERIALS OF CONSTRUCTION 6.5-6 6-9 SINGLE FAILURE CHARACTERISTICS FOR COOLING UNITS 6.5-7 6-10 PENETRATION ROOM BLOWER DESCRIPTION 6.6-4 6-11 SINGLE FAILURE CHARACTERISTICS FOR CONTAINMENT 6.6-5 PENETRATION ROOM VENTILATION SYSTEM CALVERT CLIFFS UFSAR 6-iii Rev. 51
CHAPTER 6 ENGINEERED SAFETY FEATURES LIST OF FIGURES FIGURE 6-1 SAFETY INJECTION AND CONTAINMENT SPRAY - UNIT 1 6-3 HIGH PRESSURE SAFETY INJECTION PUMP PERFORMANCE 6-4 LOW PRESSURE SAFETY INJECTION PUMP PERFORMANCE 6-5 CONTAINMENT SPRAY PUMPS 6-6 CONTAINMENT STRUCTURE CHARCOAL FILTER UNIT ASS'Y 6-7 CONTAINMENT CHARCOAL FILTER SPRAY - UNIT 1 6-8 Deleted 6-9 Deleted 6-10 SAFETY INJECTION AND CONTAINMENT SPRAY - UNIT 2 6-11 CONTAINMENT CHARCOAL FILTER SPRAY - UNIT 2 6-1 SAFETY INJECTION AND CONTAINMENT SPRAY - UNIT 1 CALVERT CLIFFS UFSAR 6-iv Rev. 47
CHAPTER 6 ENGINEERED SAFETY FEATURES LIST OF ACRONYMS AEC Atomic Energy Commission ANSI American National Standards Institute API American Petroleum Institute ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials AWWA American Water Works Association BGE Baltimore Gas and Electric Company CE Combustion Engineering, Inc.
CIS Containment Isolation Signal CRS Containment Radiation Signal CSAS Containment Spray Actuation Signal CVCS Chemical and Volume Control System DBA Design Basis Accident DBE Design Basis Event DOP Dioctyl-Phthalate DRF Dose-Reduction Factor ECCS Emergency Core Cooling System EPR Ethylene-Propylene-Rubber ESF Engineered Safety Feature FCR Facility Change Request HEPA High Efficiency Particulate Air HPSI High-Pressure Safety Injection IEEE Institute of Electrical and Electronic Engineers LOCA Loss-of-Coolant Accident LPSI Low-Pressure Safety Injection MWPS Miscellaneous Waste Processing System MOV Motor-Operated Valve NBS National Bureau of Standards NDE Non-Destructive Examination NEMA National Electrical Manufacturers Association NPSH Net Positive Suction Head ORNL Oak Ridge National Laboratory QC Quality Control RAS Recirculation Actuation Signal RCS Reactor Coolant System RWT Refueling Water Tank SI Safety Injection SIAS Safety Injection Actuation Signal SIT Safety Injection Tank SRW Service Water STB Sodium Tetraborate Decahydrate TEMA Tubular Exchanger Manufacturers Association UFSAR Updated Final Safety Analysis Report XLP Cross-Linked Polyethylene CALVERT CLIFFS UFSAR 6-v Rev. 47