ML21278A226
Text
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT TABLE OF CONTENTS PAGE 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT 10A.0-1 10A.0 INTRODUCTION 10A.0-1 10A.
0.1 REFERENCES
10A.0-3 10A.1 MAIN STEAM 10A.1-1 10A.1.1 PIPE WHIP 10A.1-1 10A.1.2 CRITERIA FOR PIPE BREAK LOCATION 10A.1-1 10A.1.3 CRITERIA FOR PIPE BREAK ORIENTATION 10A.1-1 10A.1.4
SUMMARY
OF PIPE WHIP DYNAMIC ANALYSIS 10A.1-1 10A.1.4.1 Location of Number of Breaks 10A.1-1 10A.1.4.2 The Postulated Rupture Orientation 10A.1-2 10A.1.4.3 Description of Forcing Function 10A.1-2 10A.1.4.4 Mathematical Model and Dynamic Analysis 10A.1-4 10A.1.4.5 Unrestrained Motion of the Ruptured Line 10A.1-5 10A.1.5 PROTECTION AGAINST PIPE WHIP, JET 10A.1-5 IMPINGEMENT, AND REACTIVE FORCE 10A.1.5.1 Pipe Whip Restraints and Encapsulation 10A.1-5
&2 10A.1.5.3 Separation Provisions 10A.1-7
&4 10A.1.5.5 Description of a Typical Pipe Whip Restraint 10A.1-7 10A.1.6 EVALUATION OF SEISMIC CATEGORY I 10A.1-8 STRUCTURES 10A.1.6.1 Method of Evaluating Stresses 10A.1-8 10A.1.6.2 Allowable Design Stress 10A.1-8 10A.1.6.3 Load Factors and Load Combinations 10A.1-8 10A.1.6.4 Stresses in Category I Structure 10A.1-8 10A.1.6.5 Erosion of Concrete from Jet Impingement 10A.1-8 Forces 10A.1.7 STRUCTURAL DESIGN LOADS 10A.1-9 10A.1.8 REVERSAL OF LOADS ON THE STRUCTURE 10A.1-10 10A.1.9 STRUCTURAL EFFECTS OF OPENINGS 10A.1-10 10A.1.10 EFFECT OF STRUCTURAL FAILURE 10A.1-10 10A.1.11 VERIFICATION THAT PIPE RUPTURE WILL NOT 10A.1-11 AFFECT SAFETY 10A.1.12 EFFECT ON CONTROL ROOM 10A.1-12 10A.1.13 ENVIRONMENTAL QUALIFICATION OF AFFECTED 10A.1-12 REQUIRED EQUIPMENT 10A.1.14 DESIGN DIAGRAMS AND DRAWINGS 10A.1-14 10A.1.15 FLOODING 10A.1-14 10A.1.16 QUALITY CONTROL 10A.1-14 CALVERT CLIFFS UFSAR 10A-i Rev. 47
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT TABLE OF CONTENTS PAGE 10A.1.17 LEAK DETECTION 10A.1-14 10A.1.18 EMERGENCY PROCEDURES 10A.1-14 10A.1.19 SEISMIC AND QUALITY CLASSIFICATION 10A.1-14 10A.1.20 DESCRIPTION OF ASSUMPTIONS, METHODS AND 10A.1-15 RESULTS OF ANALYSIS FOR PRESSURE AND TEMPERATURE TRANSIENTS IN COMPARTMENTS 10A.1.20.1 Circumferential Break of 47" Line - 1608 in2 10A.1-15 10A.1.20.2 Circumferential Break (Single Ended) of 6" 10A.1-17 Line - 28.9 in2 10A.1.20.3 Circumferential Break Inside Encapsulation 10A.1-18
- 53.8 in2 Clearance 10A.1.20.4 Critical Crack in 47" Line - 8.5 in2 10A.1-19 10A.1.20.5 Critical Crack in 4" Atmospheric Dump Line 10A.1-19
- 0.32 in2 10A.1.21 INTEGRITY OF THE CONTAINMENT STRUCTURE 10A.1-20 AND A PIPE RUPTURE OUTSIDE THE CONTAINMENT 10A.1.22 EFFECT OF THE BABCOCK & WILCOX, CANADA 10A.1-20 REPLACEMENT STEAM GENERATORS 10A.1.23 REFERENCES 10A.1-20 10A.2 MAIN STEAM TO AUXILIARY STEAM GENERATOR FEED PUMP 10A.2-1 TURBINES 10A.2.1 PIPE WHIP 10A.2-1 10A.2.2 PIPE BREAK LOCATIONS 10A.2-1 10A.2.3 PIPE BREAK ORIENTATION 10A.2-1 10A.2.4
SUMMARY
OF DYNAMIC ANALYSIS 10A.2-1 10A.2.4.1 Location and Number of Design Basis Breaks 10A.2-1 10A.2.4.2 The Postulated Rupture Orientation 10A.2-1 10A.2.4.3 Description of the Forcing Function and the 10A.2-1 Mathematical Model 10A.2.4.4 Unrestrained Motion of the Ruptured Lines 10A.2-2 10A.2.5 PROTECTION AGAINST PIPE WHIP, JET 10A.2-2 IMPINGEMENT, AND REACTIVE FORCES 10A.2.5.1 Pipe Whip Restraints and Sleeves 10A.2-2 10A.2.5.2 Separation Provisions 10A.2-2 10A.2.5.3 Description of a Typical Pipe Whip Restraint 10A.2-2 10A.2.6 EVALUATION OF SEISMIC CATEGORY I 10A.2-3 STRUCTURES 10A.2.6.1 Method of Evaluating Stresses 10A.2-3 10A.2.6.2 Allowable Design Stresses 10A.2-3 10A.2.6.3 Load Factors and Load Combinations 10A.2-3 10A.2.7 STRUCTURAL DESIGN LOADS 10A.2-3 CALVERT CLIFFS UFSAR 10A-ii Rev. 47
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT TABLE OF CONTENTS PAGE 10A.2.8 REVERSAL OF LOADS ON THE STRUCTURES 10A.2-3 10A.2.9 STRUCTURAL EFFECTS OF NEW OPENINGS 10A.2-3 10A.2.10 EFFECTS OF STRUCTURAL FAILURE 10A.2-3 10A.2.11 VERIFICATION THAT PIPE RUPTURE WILL NOT 10A.2-4 AFFECT SAFETY 10A.2.12 EFFECT ON CONTROL ROOM 10A.2-4 10A.2.13 ENVIRONMENTAL QUALIFICATION OF AFFECTED 10A.2-4 REQUIRED EQUIPMENT 10A.2.14 DESIGN DRAWINGS 10A.2-4 10A.2.15 FLOODING 10A.2-4 10A.2.16 QUALITY CONTROL AND INSPECTION PROGRAMS 10A.2-4 10A.2.17 LEAK DETECTION 10A.2-4 10A.2.18 EMERGENCY PROCEDURES 10A.2-4 10A.2.19 SEISMIC AND QUALITY CLASSIFICATION 10A.2-4 10A.2.20 DESCRIPTION OF ASSUMPTIONS, METHODS, AND 10A.2-5 RESULTS OF ANALYSIS FOR PRESSURE AND TEMPERATURE TRANSIENTS IN COMPARTMENTS 10A.2.21 INTEGRITY OF THE CONTAINMENT STRUCTURE 10A.2-5 AND A PIPE RUPTURE OUTSIDE THE CONTAINMENT 10A.3 STEAM GENERATOR BLOWDOWN 10A.3-1 10A.3.1 PIPE WHIPS 10A.3-1 10A.3.2 CRITERIA FOR PIPE BREAK LOCATIONS 10A.3-1 10A.3.3 CRITERIA FOR PIPE BREAK ORIENTATION 10A.3-1 10A.3.4
SUMMARY
OF DYNAMIC ANALYSIS 10A.3-1 10A.3.5 PROTECTION AGAINST PIPE WHIP, JET 10A.3-1 IMPINGEMENT, AND REACTIVE FORCES 10A.3.6 EVALUATION OF SEISMIC CATEGORY I 10A.3-2 STRUCTURES 10A.3.7 STRUCTURE DESIGN LOADS 10A.3-2 10A.3.8 REVERSAL OF LOADS ON STRUCTURE 10A.3-2 10A.3.9 STRUCTURAL EFFECT OF OPENINGS ADDED TO 10A.3-2 THE STRUCTURE 10A.3.10 VERIFICATION THAT ANY STRUCTURE FAILURE 10A.3-2 WILL NOT AFFECT OTHER STRUCTURES REQUIRED FOR SAFETY 10A.3.11 VERIFICATION THAT PIPE RUPTURE WILL NOT 10A.3-2 AFFECT SAFETY 10A.3.12 EFFECT ON CONTROL ROOM 10A.3-2 10A.3.13 ENVIRONMENTAL QUALIFICATION OF AFFECTED 10A.3-2 REQUIRED EQUIPMENT 10A.3.14 DESIGN DIAGRAMS AND DRAWINGS 10A.3-2 CALVERT CLIFFS UFSAR 10A-iii Rev. 47
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT TABLE OF CONTENTS PAGE 10A.3.15 FLOODING 10A.3-3 10A.3.16 QUALITY CONTROL AND INSPECTION PROGRAM 10A.3-3 10A.3.17 LEAK DETECTION 10A.3-3 10A.3.18 EMERGENCY PROCEDURES 10A.3-3 10A.3.19 SEISMIC AND QUALITY CLASSIFICATION 10A.3-3 10A.3.20 DESCRIPTION OF ASSUMPTIONS, METHODS AND 10A.3-3 RESULTS OF ANALYSIS FOR PRESSURE AND TEMPERATURE TRANSIENT IN COMPARTMENT 10A.3.21 DESCRIPTION OF ASSUMPTIONS, METHODS, AND 10A.3-4 RESULTS OF ANALYSIS FOR EFFECT ON PRIMARY OR SECONDARY CONTAINMENT STRUCTURE DUE TO PIPE RUPTURE OUTSIDE 10A.4.1 MAIN FEEDWATER SYSTEM (INSIDE AUXILIARY BUILDING) 10A.4.1-1 10A.4.1.1 PIPE WHIP 10A.4.1-1 10A.4.1.2 CRITERIA FOR LOCATING PIPE BREAKS 10A.4.1-1 10A.4.1.3 CRITERIA FOR PIPE BREAK ORIENTATION 10A.4.1-1 10A.4.1.4
SUMMARY
OF DYNAMIC ANALYSIS 10A.4.1-1 10A.4.1.4.1 Location and Number of Design Basis 10A.4.1-1 Breaks 10A.4.1.4.2 The Postulated Rupture Orientation 10A.4.1-1 10A.4.1.4.3 Description of the Forcing Function 10A.4.1-2 10A.4.1.4.4 Dynamic Analysis and Mathematical Model 10A.4.1-2 10A.4.1.4.5 Unrestrained Motion of the Ruptured Line 10A.4.1-2 10A.4.1.5 PROTECTIVE MEASURES 10A.4.1-2 10A.4.1.5.1 Pipe Whip Restraints 10A.4.1-2 10A.4.1.5.2 Protective Measures - MFW Pipe Sleeve 10A.4.1-2 10A.4.1.5.3 Separation Provisions 10A.4.1-2
&4 10A.4.1.5.5 Description of the Pipe Whip Restraint 10A.4.1-2 10A.4.1.6 EVALUATION OF CATEGORY I STRUCTURES 10A.4.1-3 10A.4.1.6.1 Method of Evaluating Stresses 10A.4.1-3 10A.4.1.6.2 Allowable Design Stresses 10A.4.1-3 10A.4.1.6.3 Load Factors and Load Combinations 10A.4.1-3 10A.4.1.6.4 Stresses in the Category I Structure 10A.4.1-3 10A.4.1.6.5 Erosion of Concrete from Jet Impingement 10A.4.1-4 Forces 10A.4.1.7 STRUCTURAL DESIGN LOADS 10A.4.1-4 10A.4.1.8 REVERSAL OF LOADS ON THE STRUCTURE 10A.4.1-4 10A.4.1.8.1 Reversal of Loading Due to Jet 10A.4.1-4 Impingement Forces CALVERT CLIFFS UFSAR 10A-iv Rev. 47
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT TABLE OF CONTENTS PAGE 10A.4.1.8.2 Reversal of Loading Due to Compartment 10A.4.1-4 Pressurization 10A.4.1.8.3 Pipe Whip Restraints 10A.4.1-5 10A.4.1.9 STRUCTURAL EFFECTS OF OPENINGS 10A.4.1-5 10A.4.1.10 EFFECTS OF STRUCTURAL FAILURE 10A.4.1-5 10A.4.1.11 VERIFICATION THAT HIGH ENERGY PIPE RUPTURES 10A.4.1-5 WILL NOT AFFECT SAFETY 10A.4.1.12 EFFECT ON CONTROL ROOM 10A.4.1-5 10A.4.1.13 ENVIRONMENTAL QUALIFICATION OF AFFECTED 10A.4.1-5 REQUIRED EQUIPMENT 10A.4.1.14 DRAWINGS 10A.4.1-6 10A.4.1.15 FLOODING 10A.4.1-6 10A.4.1.16 QUALITY CONTROL AND INSPECTION 10A.4.1-6 10A.4.1.17 LEAK DETECTION 10A.4.1-6 10A.4.1.18 EMERGENCY PROCEDURE 10A.4.1-6 10A.4.1.19 SEISMIC AND QUALITY CLASSIFICATION 10A.4.1-6 10A.4.1.20 DESCRIPTION OF ASSUMPTIONS, METHODS, AND 10A.4.1-7 RESULTS OF ANALYSIS FOR PRESSURE AND TEMPERATURE TRANSIENTS IN COMPARTMENTS 10A.4.1.21 INTEGRITY OF THE CONTAINMENT STRUCTURE 10A.4.1-7 WITH A PIPE RUPTURE OUTSIDE THE CONTAINMENT 10A.4.1.22 REFERENCE 10A.4.1-8 10A.4.2 MAIN FEEDWATER AND HEATER DRAIN SYSTEM (INSIDE 10A.4.2-1 TURBINE BUILDING) 10A.4.2.1 PIPE WHIP 10A.4.2-1 10A.4.2.2 CRITERIA FOR LOCATING PIPE BREAKS 10A.4.2-1 10A.4.2.3 CRITERIA FOR PIPE BREAK ORIENTATION 10A.4.2-1 10A.4.2.4
SUMMARY
OF PIPE WHIP DYNAMIC ANALYSIS 10A.4.2-1 10A.4.2.4.1 Location and Number of Breaks 10A.4.2-1 10A.4.2.4.2 The Postulated Rupture Orientation 10A.4.2-1 10A.4.2.4.3 Description of the Forcing Function and 10A.4.2-1
&4 the Mathematical Model 10A.4.2.4.5 Unrestrained Motion of the Ruptured Line 10A.4.2-2 10A.4.2.5 PROTECTIVE MEASURES 10A.4.2-2 10A.4.2.5.1 The Pipe Whip Restraint 10A.4.2-2
&2 10A.4.2.5.3 Separation Criteria 10A.4.2-3
&4 10A.4.2.5.5 Description of the Pipe Whip Restraint 10A.4.2-3 CALVERT CLIFFS UFSAR 10A-v Rev. 47
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT TABLE OF CONTENTS PAGE 10A.4.2.6 EVALUATION OF SEISMIC CATEGORY I 10A.4.2-3 STRUCTURES 10A.4.2.7 STRUCTURAL DESIGN LOADS 10A.4.2-3 10A.4.2.8 REVERSAL OF LOADS ON THE STRUCTURE 10A.4.2-4 10A.4.2.9 STRUCTURAL EFFECTS OF OPENINGS 10A.4.2-4 10A.4.2.10 EFFECTS OF STRUCTURAL FAILURE 10A.4.2-4 10A.4.2.11 VERIFICATION THAT HIGH ENERGY PIPE RUPTURES 10A.4.2-4 WILL NOT AFFECT SAFETY 10A.4.2.12 EFFECT ON THE CONTROL ROOM 10A.4.2-4 10A.4.2.13 ENVIRONMENTAL QUALIFICATION OF AFFECTED 10A.4.2-5 REQUIRED EQUIPMENT 10A.4.2.14 DRAWINGS 10A.4.2-5 10A.4.2.15 FLOODING 10A.4.2-5 10A.4.2.16 QUALITY CONTROL AND INSPECTION 10A.4.2-5 10A.4.2.17 LEAK DETECTION 10A.4.2-5 10A.4.2.18 EMERGENCY PROCEDURES 10A.4.2-5 10A.4.2.19 SEISMIC AND QUALITY CLASSIFICATION 10A.4.2-5 10A.4.2.20 DESCRIPTION OF ASSUMPTIONS, METHODS, AND 10A.4.2-5 RESULTS OF ANALYSIS FOR PRESSURE AND TEMPERATURE TRANSIENT IN COMPARTMENTS 10A.4.2.21 DESCRIPTION OF ASSUMPTIONS, METHODS, AND 10A.4.2-5 RESULTS OF ANALYSIS FOR EFFECT ON PRIMARY OR SECONDARY CONTAINMENT STRUCTURE DUE TO PIPE RUPTURE OUTSIDE 10A.4.2.22 REFERENCES 10A.4.2-5 10A.5 AUXILIARY FEEDWATER SYSTEM 10A.5-1 10A.5.1 PIPE WHIP 10A.5-1 10A.5.2 PIPE BREAK LOCATIONS 10A.5-1 10A.5.3 PIPE BREAK ORIENTATION 10A.5-1 10A.5.4
SUMMARY
OF DYNAMIC ANALYSIS 10A.5-2 10A.5.5 PROTECTIVE MEASURES 10A.5-2 10A.5.6 SEISMIC CATEGORY I STRUCTURE EVALUATION 10A.5-2 10A.5.7 STRUCTURAL DESIGN LOADS 10A.5-2 10A.5.8 LOAD REVERSAL ANALYSIS 10A.5-2 10A.5.9 EFFECTS OF NEW OPENINGS ON STRUCTURE 10A.5-2 10A.5.10 VERIFICATION THAT ANY STRUCTURAL FAILURES 10A.5-2 WILL NOT AFFECT OTHER STRUCTURES REQUIRED FOR SAFETY 10A.5.11 VERIFICATION THAT PIPE RUPTURE WILL NOT 10A.5-2 AFFECT SAFETY 10A.5.12 EFFECT ON CONTROL ROOM 10A.5-2 CALVERT CLIFFS UFSAR 10A-vi Rev. 47
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT TABLE OF CONTENTS PAGE 10A.5.13 ENVIRONMENTAL QUALIFICATION OF AFFECTED 10A.5-2 REQUIRED EQUIPMENT 10A.5.14 DESIGN DRAWINGS 10A.5-2 10A.5.15 FLOODING 10A.5-2 10A.5.16 QUALITY CONTROL AND INSPECTION PROGRAMS 10A.5-2 10A.5.17 LEAK DETECTION 10A.5-3 10A.5.18 EMERGENCY PROCEDURES 10A.5-3 10A.5.19 SEISMIC AND QUALITY CLASSIFICATION 10A.5-3 10A.5.20 DESCRIPTION OF ASSUMPTIONS, METHODS, AND 10A.5-3 RESULTS OF ANALYSIS FOR PRESSURE AND TEMPERATURE TRANSIENTS IN COMPARTMENTS 10A.5.21 DESCRIPTION OF ASSUMPTIONS, METHODS, AND 10A.5-3 RESULTS OF ANALYSIS FOR EFFECT ON PRIMARY OR SECONDARY CONTAINMENT STRUCTURE DUE TO PIPE RUPTURE OUTSIDE 10A.5.22 MODERATE ENERGY PIPE CRACK ANALYSIS 10A.5-3 10A.5.22.1 Analysis 10A.5-3 10A.5.22.2 Evaluation 10A.5-4 10A.5.22.3 Conclusions 10A.5-5 10A.6 SHUTDOWN COOLING 10A.6-1 10A.6.1 PIPE WHIP 10A.6-1 10A.6.2 PIPE BREAK LOCATION 10A.6-1 10A.6.3 PIPE BREAK ORIENTATION 10A.6-1 10A.6.4 DYNAMIC ANALYSIS 10A.6-1 10A.6.5 PIPE WHIP, JET IMPINGEMENT, AND REACTIVE 10A.6-1 FORCES PROTECTION 10A.6.6 SEISMIC CATEGORY I STRUCTURE EVALUATION 10A.6-1 10A.6.7 STRUCTURAL DESIGN LOADS 10A.6-1 10A.6.8 ANALYSIS OF REVERSAL OF LOADS 10A.6-1 10A.6.9 STRUCTURAL EFFECT OF OPENINGS ADDED TO 10A.6-1 THE STRUCTURES 10A.6.10 VERIFICATION THAT ANY STRUCTURAL FAILURE 10A.6-1 WILL NOT AFFECT OTHER STRUCTURES REQUIRED FOR SAFETY 10A.6.11 VERIFICATION THAT PIPE RUPTURE WILL NOT 10A.6-1 AFFECT SAFETY 10A.6.12 EFFECT ON CONTROL ROOM 10A.6-2 10A.6.13 ENVIRONMENTAL QUALIFICATION OF AFFECTED 10A.6-2 REQUIRED EQUIPMENT 10A.6.14 DESIGN DIAGRAMS AND DRAWINGS 10A.6-2 10A.6.15 FLOODING 10A.6-2 CALVERT CLIFFS UFSAR 10A-vii Rev. 47
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT TABLE OF CONTENTS PAGE 10A.6.16 QUALITY CONTROL AND INSPECTION PROGRAM 10A.6-2 10A.6.17 LEAK DETECTION 10A.6-2 10A.6.18 EMERGENCY PROCEDURES 10A.6-2 10A.6.19 SEISMIC AND QUALITY CLASSIFICATION 10A.6-2 10A.6.20 DESCRIPTION OF ASSUMPTIONS, METHODS, AND 10A.6-2 RESULTS OF ANALYSIS FOR PRESSURE AND TEMPERATURE TRANSIENTS IN COMPARTMENTS 10A.6.21 DESCRIPTION OF ASSUMPTIONS, METHODS, AND 10A.6-2 RESULTS OF ANALYSIS FOR EFFECT ON PRIMARY OR SECONDARY CONTAINMENT STRUCTURE DUE TO PIPE RUPTURE 10A.7 CHEMICAL AND VOLUME CONTROL SYSTEM 10A.7-1 10A.7.1 PIPE WHIP 10A.7-1 10A.7.2 CRITERIA FOR PIPE BREAK LOCATIONS 10A.7-1 10A.7.3 CRITERIA FOR PIPE BREAK ORIENTATION 10A.7-2 10A.7.4
SUMMARY
OF DYNAMIC ANALYSIS 10A.7-2 10A.7.4.1 Location and Number of Design Basis 10A.7-2 Breaks 10A.7.4.2 The Postulated Rupture Orientation 10A.7-2 10A.7.4.3 Description of the Forcing Function 10A.7-2 10A.7.4.4 Dynamic Analysis and Mathematical 10A.7-2 Model 10A.7.4.5 Unrestrained Motion of the Ruptured Line 10A.7-2 10A.7.5 PROTECTION AGAINST PIPE WHIP, JET 10A.7-2 IMPINGEMENT, AND REACTIVE FORCES 10A.7.5.1 Pipe Whip Restraints and Sleeves 10A.7-2 10A.7.5.2 Excess Flow Check Valve 10A.7-2 10A.7.5.3 Description of a Typical Pipe Whip 10A.7-3 Restraint 10A.7.6 EVALUATION OF SEISMIC CATEGORY I 10A.7-3 STRUCTURES 10A.7.6.1 Method of Evaluating Stresses 10A.7-3 10A.7.6.2 Allowable Design Stresses 10A.7-3 10A.7.6.3 Load Factors and Load Combinations 10A.7-3 10A.7.7 STRUCTURAL DESIGN LOADS 10A.7-3 10A.7.8 REVERSAL OF LOADS ON THE STRUCTURES 10A.7-3 10A.7.9 EFFECTS OF NEW OPENINGS ON STRUCTURE 10A.7-4 10A.7.10 VERIFICATION THAT ANY STRUCTURAL FAILURE 10A.7-4 WILL NOT AFFECT OTHER STRUCTURES REQUIRED FOR SAFETY CALVERT CLIFFS UFSAR 10A-viii Rev. 47
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT TABLE OF CONTENTS PAGE 10A.7.11 VERIFICATION THAT PIPE RUPTURE WILL NOT 10A.7-4 AFFECT SAFETY 10A.7.12 EFFECT ON CONTROL ROOM 10A.7-4 10A.7.13 ENVIRONMENTAL QUALIFICATION OF AFFECTED 10A.7-4 REQUIRED EQUIPMENT 10A.7.14 DESIGN DRAWINGS 10A.7-5 10A.7.15 FLOODING 10A.7-5 10A.7.16 QUALITY CONTROL AND INSPECTION PROGRAMS 10A.7-5 10A.7.17 LEAK DETECTION EQUIPMENT 10A.7-5 10A.7.18 EMERGENCY PROCEDURES 10A.7-5 10A.7.19 SEISMIC AND QUALITY CLASSIFICATION 10A.7-5 10A.7.20 DESCRIPTION OF ASSUMPTIONS, METHODS, AND 10A.7-6 RESULTS OF ANALYSIS FOR PRESSURE AND TEMPERATURE TRANSIENTS IN COMPARTMENTS 10A.7.21 INTEGRITY OF THE CONTAINMENT STRUCTURE 10A.7-6 AND A PIPE RUPTURE OUTSIDE THE CONTAINMENT 10A.8 SAMPLING SYSTEM 10A.8-1 10A.8.1 PIPE WHIP 10A.8-1 10A.8.2 CRITERIA FOR PIPE BREAK LOCATIONS 10A.8-1 10A.8.3 CRITERIA FOR PIPE BREAK ORIENTATION 10A.8-2 10A.8.4
SUMMARY
OF DYNAMIC ANALYSIS 10A.8-2 10A.8.5 PROTECTIVE MEASURES 10A.8-2 10A.8.6 EVALUATION OF SEISMIC CATEGORY I 10A.8-2 STRUCTURES 10A.8.7 STRUCTURAL DESIGN LOADS 10A.8-2 10A.8.8 LOAD REVERSAL ANALYSIS 10A.8-2 10A.8.9 EFFECTS OF NEW OPENINGS ON STRUCTURE 10A.8-2 10A.8.10 VERIFICATION THAT ANY STRUCTURAL FAILURES 10A.8-2 WILL NOT AFFECT OTHER STRUCTURES REQUIRED FOR SAFETY 10A.8.11 VERIFICATION THAT PIPE RUPTURE WILL NOT 10A.8-2 AFFECT SAFETY 10A.8.12 EFFECT ON CONTROL ROOM 10A.8-2 10A.8.13 ENVIRONMENTAL QUALIFICATION OF AFFECTED 10A.8-2 REQUIRED EQUIPMENT 10A.8.14 DESIGN DRAWINGS 10A.8-3 10A.8.15 FLOODING 10A.8-3 10A.8.16 QUALITY CONTROL AND INSPECTION PROGRAMS 10A.8-3 10A.8.17 LEAK DETECTION 10A.8-3 10A.8.18 EMERGENCY PROCEDURES 10A.8-3 10A.8.19 SEISMIC AND QUALITY CLASSIFICATION 10A.8-3 CALVERT CLIFFS UFSAR 10A-ix Rev. 47
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT TABLE OF CONTENTS PAGE 10A.8.20 DESCRIPTION OF ASSUMPTIONS, METHODS, AND 10A.8-3 RESULTS OF ANALYSIS FOR PRESSURE AND TEMPERATURE TRANSIENTS IN COMPARTMENTS 10A.8.21 DESCRIPTION OF ASSUMPTIONS, METHODS, AND 10A.8-3 RESULTS OF ANALYSIS FOR EFFECT ON PRIMARY OR SECONDARY CONTAINMENT STRUCTURES DUE TO PIPE RUPTURE OUTSIDE 10A.9 AUXILIARY STEAM SYSTEM 10A.9-1 10A.9.1 PIPE WHIP 10A.9-1 10A.9.2 PIPE BREAK LOCATIONS 10A.9-1 10A.9.3 PIPE BREAK ORIENTATION 10A.9-1 10A.9.4
SUMMARY
OF DYNAMIC ANALYSIS 10A.9-1 10A.9.5 PROTECTION AGAINST PIPE WHIP, JET 10A.9-1 BLOWDOWN, AND REACTIVE FORCES 10A.9.5.1 Pipe Whip Restraints 10A.9-1 10A.9.5.2 Jet Forces 10A.9-1 10A.9.6 EVALUATION OF SEISMIC CATEGORY I 10A.9-1 STRUCTURES 10A.9.7 STRUCTURAL DESIGN LOAD 10A.9-1 10A.9.8 REVERSAL OF LOADS ON STRUCTURE 10A.9-1 10A.9.9 STRUCTURAL EFFECT OF OPENINGS ADDED TO 10A.9-1 THE STRUCTURE 10A.9.10 VERIFICATION THAT ANY STRUCTURAL FAILURE 10A.9-2 WILL NOT AFFECT OTHER STRUCTURES REQUIRED FOR SAFETY 10A.9.11 VERIFICATION THAT PIPE RUPTURE WILL NOT 10A.9-2 AFFECT SAFETY 10A.9.12 EFFECT ON CONTROL ROOM 10A.9-2 10A.9.13 ENVIRONMENTAL QUALIFICATION OF AFFECTED 10A.9-2 REQUIRED EQUIPMENT 10A.9.14 DESIGN DIAGRAMS AND DRAWINGS 10A.9-2 10A.9.15 FLOODING 10A.9-2 10A.9.16 QUALITY CONTROL AND INSPECTION 10A.9-2 10A.9.17 LEAK DETECTION 10A.9-2 10A.9.18 EMERGENCY PROCEDURE 10A.9-2 10A.9.19 SEISMIC AND QUALITY CLASSIFICATION 10A.9-2 10A.9.20 DESCRIPTION OF ASSUMPTIONS, METHOD AND 10A.9-3 RESULTS OF ANALYSIS FOR PRESSURE AND TEMPERATURE TRANSIENTS IN COMPARTMENTS CALVERT CLIFFS UFSAR 10A-x Rev. 47
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT TABLE OF CONTENTS PAGE 10A.9.21 DESCRIPTION OF ASSUMPTIONS, METHODS AND 10A.9-3 RESULTS OF ANALYSIS FOR EFFECT ON PRIMARY OR SECONDARY CONTAINMENT STRUCTURE DUE TO PIPE RUPTURE OUTSIDE CALVERT CLIFFS UFSAR 10A-xi Rev. 47
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT LIST OF TABLES TITLE PAGE 10A-1A MAIN STEAM PENETRATION ROOM ANALYSIS RESULTS 10A.1-21 10A-1 MAIN STEAM STRESS VALUES 10A.1-22 10A-2 STRESSES ON STRUCTURAL COMPONENTS DUE TO JET 10A.1-23 IMPINGEMENT FORCES RESULTING FROM A CRITICAL CRACK OF THE MAIN STEAM LINE 10A-3 STRESSES ON STRUCTURAL COMPONENTS IN THE MAIN 10A.1-24 STEAM COMPARTMENT DUE TO POSTULATED MAIN STEAM PIPE RUPTURE 10A-4 STEAM LINE RUPTURE INCIDENT NO LOAD, 1-LOOP 10A.1-25 OPERATION BREAK INSIDE TURBINE BUILDING 10A-5 INSTRUMENTATION REQUIRED TO PLACE THE PLANT IN A 10A.3-5 SAFE SHUTDOWN CONDITION AND MAINTAIN IT IN A SAFE SHUTDOWN CONDITION 10A-6 MECHANICAL AND ELECTRICAL EQUIPMENT REQUIRED TO 10A.3-20 PLACE THE PLANT IN A SAFE SHUTDOWN CONDITION AND MAINTAIN IT IN A SAFE SHUTDOWN CONDITION 10A-7 COMPARISON OF TIME-HISTORY PIPE WHIP DESIGN 10A.1-26 METHOD WITH ENERGY BALANCE DESIGN METHOD 10A-8 LOCATION OF DOORS BETWEEN TURBINE BUILDING AND 10A.1-27 AUXILIARY BUILDING 10A-9 MAIN FEEDWATER STRESS VALUES 10A.4.1-9 10A-10 STRESSES IN STRUCTURAL COMPONENTS IN THE PIPE 10A.7-7 PENETRATION ROOM DUE TO PRESSURIZATION FROM POSTULATED RUPTURE OF LETDOWN LINE CALVERT CLIFFS UFSAR 10A-xii Rev. 47
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT LIST OF FIGURES FIGURE 10A.1-1 MAIN STEAM SYSTEM 10A.1-2 HIGH ENERGY MAIN STEAM SYSTEM ROUTING PLAN - FLOOR EL. 27'0" 10A.1-3 ENCAPSULATION DETAILS MAIN STEAM SYSTEM 10A.1-4 HIGH ENERGY PIPE WHIP RESTRAINT 10A.1-5 MATHEMATICAL MODEL FOR PIPE WHIP RESTRAINT 10A.1-7 VENT STACK FROM MAIN STEAM COMPARTMENT 10A.1-8 BLOWDOWN MODEL 10A.1-9 EFFECT OF PIPE FRICTION OF STEAM-WATER 10A.1-10 EFFECT OF AREA RESTRICTION ON STEAM WATER 10A.1-11 STAGNATION PRESSURE - ASYMPTOTIC JET PRESSURE 10A.1-12 STAGNATION PRESSURE - JET ASYMPTOTIC AREA 10A.1-13 TYP. JET IMPINGEMENT BARRIER FOR CABLE TRAYS 10A.1-14 HIGH ENERGY AUX. FEED PUMP ROOM AND SERVICE WTR PUMP ROOM VENTILATION SYSTEMS 10A.1-15 6" STEAM LINE BREAK - MAIN STEAM PENETRATION ROOM - INITIAL TEMPERATURE = 160F 10A.1-16 6" STEAM LINE BREAK - MAIN STEAM PENETRATION ROOM - INITIAL TEMPERATURE = 160F 10A.1-17 BREAK OF ENCAPSULATED STEAM LINE - MAIN STEAM PENETRATION ROOM - INITIAL TEMPERATURE = 160F 10A.1-18 BREAK OF ENCAPSULATED STEAM LINE - MAIN STEAM PENETRATION ROOM - INITIAL TEMPERATURE = 160F 10A.1-19 CRITICAL CRACK IN MAIN STEAM LINE - MAIN STEAM PENETRATION ROOM - INITIAL TEMPERATURE = 160F 10A.1-20 CRITICAL CRACK IN MAIN STEAM LINE - MAIN STEAM PENETRATION ROOM - INITIAL TEMPERATURE = 160F 10A.2-1 MAIN STEAM TO AUX. STEAM GEN. FEED PUMP TURBINE 10A.2-2 HIGH ENERGY MAIN STEAM TO AUX. FEED PUMP TURBINE ROUTING PLAN - FLOOR EL. 27'0" 10A.2-2A MAIN STEAM TO AFW TURBINE - BREAK LOCATIONS 10A.2-2B MAIN STEAM TO AFW TURBINE - SMALL PIPE LOCATIONS 10A.2-3 HIGH ENERGY MAIN STEAM TO AUX. FEED PUMP TURBINE ROUTING PLAN - FLOOR EL. 5'0" 10A.3-1 STEAM GENERATOR BLOWDOWN 10A.3-2 HIGH ENERGY STEAM GENERATOR BLOWDOWN SYSTEM ROUTING PLAN - FLOOR EL. 27'0" 10A.3-3 HIGH ENERGY STEAM GENERATOR BLOWDOWN SYSTEM ROUTING PLAN - FLOOR EL. 45'0" 10A.3-4 STEAM GENERATOR BLOWDOWN LINE BREAK - EAST PIPING PENETRATION ROOM - INITIAL TEMPERATURE = 160F CALVERT CLIFFS UFSAR 10A-xiii Rev. 51
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT LIST OF FIGURES FIGURE 10A.3-5 STEAM GENERATOR BLOWDOWN LINE BREAK - ELEVATION 45' -
INITIAL TEMPERATURE = 160F 10A.4-1 MAIN FEEDWATER SYSTEM 10A.4-2 HIGH ENERGY MAIN FEEDWATER ROUTING PLAN - FLOOR EL. 27'0" 10A.4-3 HIGH ENERGY MAIN FEEDWATER ROUTING PLAN - FLOOR EL. 5'0" 10A.4-4 FEEDWATER TO HP HEATERS 10A.4-5 FEEDWATER HEATER DRAIN TO CONDENSER 10A.4-6 HIGH ENERGY MAIN FEEDWATER AND HEATER DRAIN SYSTEM ROUTING PLAN - TURB BLDG. FLR EL. 12'0" 10A.4-7 PIPE SLEEVE DETAILS MAIN FEEDWATER SYSTEM UNIT NO. 1 10A.5-1 AUX. FEEDWATER SYSTEM 10A.5-2 HIGH ENERGY AUXILIARY FEEDWATER ROUTING PLAN - FLOOR EL. 27'0" 10A.5-3 sh 1 POSTULATED PIPE CRACK LOCATIONS - AUX. FEEDWATER - UNIT 1 -
ROOMS 226 AND 227 - ELEVATION 3'0" 10A.5-3 sh 2 POSTULATED PIPE CRACK LOCATIONS - AUX. FEEDWATER - UNIT 1 -
ROOMS 202 AND 224 - ELEVATION 5'0" 10A.5-4 sh 1 POSTULATED PIPE CRACK LOCATIONS - AUX. FEEDWATER - UNIT 2 -
ROOMS 205, 206 - ELEVATION 3'0" 10A.5-4 sh 2 POSTULATED PIPE CRACK LOCATIONS - AUX. FEEDWATER - UNIT 2 -
ROOMS 202 AND 203 - ELEVATION 5'0" 10A.5-5 POSTULATED PIPE CRACK TARGETS - AUX. FEEDWATER SYSTEM UNITS 1 AND 2 10A.7-1 CVC SYSTEM REACTOR COOL. CHARGING LINE 10A.7-2 HIGH ENERGY R.C. CHARGING LINE - ROUTING PARTIAL PLANS - @
FLOOR EL. 5'0" AND (-)10'0" 10A.7-3 HIGH ENERGY R.C. CHARGING LINE ROUTING PLAN - FLOOR EL. 27'0" 10A.7-4 CVC SYSTEM REACTOR COOLANT LETDOWN LINE 10A.7-5 HIGH ENERGY CVC SYSTEM LETDOWN LINE ROUTING PLAN - FLOOR EL. 27'-0" 10A.8-1 STEAM GEN. AND REACTOR COOL. SAMPLING SYSTEMS 10A.8-2 HIGH ENERGY SAMPLING SYSTEM ROUTING PLAN - FLR EL. 5'0" AND 45'0" 10A.9-1 AUX. STEAM TO WASTE EVAPORATORS (Retired in place) 10A.9-2 HIGH ENERGY AUXILIARY STEAM ROUTING PLAN - FLOOR EL. 5'0" 10A.9-3 HIGH ENERGY AUXILIARY STEAM - PARTIAL PLANS - FLOOR EL. 27'0",
45'0", AND 69'0" CALVERT CLIFFS UFSAR 10A-xiv Rev. 51
APPENDIX 10A HIGH ENERGY PIPE RUPTURES OUTSIDE CONTAINMENT LIST OF ACRONYMS ACI American Concrete Institute AEC Atomic Energy Commission AFW Auxiliary Feedwater AFWP Auxiliary Feedwater Pump ANSI American National Standards Institute ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials B&PV Boiler and Pressure Vessel CCW Component Cooling Water CV Control Valve CVCS Chemical and Volume Control System EDG Emergency Diesel Generator ESF Engineered Safety Feature fL/D Flow Resistance Coefficient FCR Facility Change Request HPSI High Pressure Safety Injection HX Heat Exchanger (used in Tables only)
ISI Inservice Inspection LPSI Low Pressure Safety Injection MFIV Main Feedwater Isolation Valve MFW Main Feedwater MOV Motor-Operated Valve MS Main Steam MSIV Main Steam Isolation Valve MSLB Main Steam Line Break NRC Nuclear Regulatory Commission OBE Operating Basis Earthquake SDC Shutdown Cooling SG Steam Generator (used in Tables only)
SGFP Steam Generator Feed Pump SRW Service Water SSC System, Structure and/or Components SSE Safe Shutdown Earthquake UFSAR Updated Final Safety Analysis Report CALVERT CLIFFS UFSAR 10A-xv Rev. 47