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WATTS BAR TABLE OF CONTENTS Section Title
WATTS BAR WBNP-76 TABLE OF CONTENTS Section Title Page 028_TVA_WB_FSAR_Section_17.0.pdf 027_TVA_WB_FSAR_Section_16.pdf 026_TVA_WB_FSAR_Section_15.pdf 024_TVA_WB_FSAR_Section_13.pdf 018_TVA_WB_FSAR_Section_8 017_TVA_WB_FSAR_Section_7.pdf 014_TVA_WB_FSAR_Section_5.pdf 013_TVA_WB_FSAR_Section_4.pdf 005_TVA_WB_FSAR_Section_2_B.pdf 004_TVA_WB_FSAR_Section_2_A.pdf 003_TVA_WB_FSAR_Section_1.pdf 1.0 1.1 INTRODUCTION AND GENERAL DESCRIPTION OF PLANT INTRODUCTION 1.1.1 1.1.2 1.1.3 1.2 Introduction Licensing Basis Documents NRC Commitments GENERAL PLANT DESCRIPTION 1.2.1 1.2.1.1 1.2.1.2 1.2.1.3 1.2.1.4 1.2.1.5 1.2.1.6 1.2.2 1.2.2.1 1.2.2.2 1.2.2.3 1.2.2.4 1.2.2.5 1.2.2.6 1.2.2.7 1.2.2.8 1.2.2.9 1.2.2.10 1.2.2.11 1.2.2.12 1.2.2.13 1.2.2.14 1.2.2.15 1.2.2.16 1.2.3 1.3 1.3.1 1.3.2 Site Characteristics Location Demography Meteorology Hydrology Geology Seismology Facility Description Design Criteria Nuclear Steam Supply System (NSSS) Control and Instrumentation Fuel Handling System Waste Processing System Steam and Power Conversion System Plant Electrical System Cooling Water Component Cooling System Chemical and Volume Control System Sampling and Water Quality System Ventilation Fire Protection System Compressed Air Systems Engineered Safety Features Shared Facilities and Equipment General Arrangement of Major Structures and Equipment COMPARISON TABLES Comparisons With Similar Facility Designs Comparison Of Final And Preliminary Designs 1.1-1 1.1-1 1.1-1 1.1-2 1.2-1 1.2-1 1.2-1 1.2-1 1.2-1 1.2-1 1.2-1 1.2-2 1.2-2 1.2-2 1.2-2 1.2-4 1.2-5 1.2-5 1.2-5 1.2-6 1.2-7 1.2-7 1.2-7 1.2-8 1.2-9 1.2-9 1.2-9 1.2-9 1.2-10 1.2-13 1.3-1 1.3-1 1.3-1 1.4 IDENTIFICATION OF AGENTS AND CONTRACTORS 1.4-1 1.5 REQUIREMENTS FOR FURTHER TECHNICAL INFORMATION 1.5-1 1.5.1 1.5.1.1 1.5.1.2 17 x 17 Fuel Assembly Rod Cluster Control Spider Tests Grid Tests Table of Contents 1.5-1 1.5-1 1.5-1 1-xxxvii WATTS BAR WBNP-76 TABLE OF CONTENTS Section 1.5.1.3 1.5.1.4 1.5.1.5 1.5.2 1.5.2.1 1.5.2.2 Title Fuel Assembly Structural Tests Guide Tube Tests Prototype Assembly Tests Heat Transfer Tests (17 x 17) 17 x 17 LOCA Heat Transfer Tests Departure from Nucleate Boiling (DNB) Page 1.5-1 1.5-2 1.5-2 1.5-2 1.5-2 1.5-2 1.6 MATERIAL INCORPORATED BY REFERENCE 1.6-1 1.7 ELECTRICAL, INSTRUMENTATION, AND CONTROL DRAWINGS 1.7-1 1.8 TECHNICAL QUALIFICATION OF APPLICANT 1.8-1 1.9 NUCLEAR PERFORMANCE PLAN 1.9-1 1.9.1 1.9.1.1 1.9.1.2 1.9.1.3 1.9.1.4 1.9.1.5 1.9.1.6 1.9.1.7 1.9.1.8 1.9.1.9 1.9.1.10 1.9.1.11 1.9.1.12 1.9.1.13 1.9.1.14 1.9.1.15 1.9.1.16 1.9.1.17 1.9.1.18 1.9.2 1.9.2.1 1.9.2.2 1.9.2.3 1.9.2.4 1.9.2.5 1.9.2.6 1.9.2.7 1.9.2.8 1.9.2.9 1.9.2.10 1.9.2.11 1-xxxviii Corrective Action Plans Cable Issues Cable Tray and Cable Tray Supports Design Baseline and Verification Program (DBVP) Electrical Conduit and Conduit Support Electrical Issues Equipment Seismic Qualification Fire Protection Hanger and Analysis Update Program (HAAUP) Heat Code Traceability Heating, Ventilation, and Air Conditioning (HVAC) Duct Supports Instrument Lines Prestart Test Program QA Records Q-LIST Replacement Items Program (RIP-CAP) Seismic Analysis Vendor Information Welding Special Programs (SPs) Concrete Quality Program Containment Cooling Detailed Control room Design Review Environmental Qualification Program Master Fuse List Mechanical Equipment Qualification Microbiologically Induced Corrosion (MIC) Moderate Energy Line Break Flooding (MELB) Radiation Monitoring System Soil Liquefaction Use-As-Is CAQs 1.9-1 1.9-1 1.9-2 1.9-2 1.9-2 1.9-2 1.9-3 1.9-3 1.9-3 1.9-3 1.9-3 1.9-4 1.9-4 1.9-4 1.9-4 1.9-4 1.9-5 1.9-5 1.9-5 1.9-5 1.9-6 1.9-6 1.9-6 1.9-6 1.9-6 1.9-6 1.9-7 1.9-7 1.9-7 1.9-7 1.9-7 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 1.9.3 Title REFERENCES 2.0 2.1 2.1.1 2.1.1.1 2.1.1.2 2.1.1.3 2.1.2 2.1.2.1 2.1.2.2 2.1.2.3 2.1.2.4 2.1.3 2.1.3.1 2.1.3.2 2.1.3.3 2.1.3.4 2.1.3.5 2.1.3.6 2.2 2.2.1 2.2.2 2.2.2.1 2.2.2.2 2.2.2.3 2.2.2.4 2.2.2.5 2.2.2.6 2.2.3 2.2.3.1 2.3 2.3.1 2.3.1.1 2.3.1.2 2.3.1.3 2.3.2 2.3.2.1 2.3.2.2 2.3.2.3 2.3.2.4 Page 1.9-7 SITE CHARACTERISTICS GEOGRAPHY AND DEMOGRAPHY Site Location and Description Specification of Location Site Area Map Boundaries for Establishing Effluent Limits Exclusion Area Authority And Control Authority Control of Activities Unrelated to Plant Operation Arrangements for Traffic Control Abandonment or Relocation of Roads Population Distribution Population Within 10 Miles Population Between 10 and 50 Miles Transient Population Low Population Zone Population Center Population Density NEARBY INDUSTRIAL, TRANSPORTATION, AND MILITARY FACILITIES Location and Route Descriptions Description of Facilities Description of Products and Materials Pipelines Waterways Airports Projections of Industrial Growth Evaluation of Potential Accidents REFERENCES METEOROLOGY Regional Climate Data Sources General Climate Severe Weather Local Meteorology Data Sources Normal and Extreme Values of Meteorological Parameters Potential Influence of the Plant and Its Facilities on Local Meteorology Local Meteorological Conditions for Design and Operating Bases Table of Contents 2.1-1 2.1-1 2.1-1 2.1-1 2.1-2 2.1-2 2.1-2 2.1-2 2.1-2 2.1-2 2.1-2 2.1-3 2.1-3 2.1-4 2.1-4 2.1-4 2.1-4 2.2-1 2.2-1 2.2-1 2.2-1 2.2-1 2.2-1 2.2-1 2.2-2 2.2-2 2.2-2 2.2-3 2.3-1 2.3-1 2.3-1 2.3-1 2.3-2 2.3-5 2.3-5 2.3-6 2.3-8 2.3-9 1-xxxix WATTS BAR WBNP-76 TABLE OF CONTENTS Section 2.3.3 2.3.3.1 2.3.3.2 2.3.3.3 2.3.4 2.3.4.1 2.3.4.2 2.3.5 2.4 HYDROLOGIC ENGINEERING 2.4.1 2.4.1.1 2.4.1.2 2.4.2 2.4.2.1 2.4.2.2 2.4.2.3 2.4.3 2.4.3.1 2.4.3.2 2.4.3.3 2.4.3.4 2.4.3.5 2.4.3.6 2.4.4 2.4.4.1 2.4.4.2 2.4.4.3 2.4.5 2.4.6 2.4.7 2.4.8 2.4.9 2.4.10 2.4.11 2.4.11.1 2.4.11.2 2.4.11.3 2.4.11.4 2.4.11.5 2.4.12 2.4-45 2.4.12.1 2.4.12.2 1-xl Title Onsite Meteorological Measurements Program Preoperational Program Operational Meteorological Program Onsite Data Summaries of Parameters for Dispersion Meteorology Short-Term (Accident) Diffusion Estimates Objective Calculation Results Long-Term (Routine) Diffusion Estimates Page 2.3-9 2.3-9 2.3-12 2.3-12 2.3-13 2.3-13 2.3-15 2.3-16 2.4-1 Hydrological Description 2.4-1 Sites and Facilities 2.4-1 Hydrosphere 2.4-2 Floods 2.4-6 Flood History 2.4-6 Flood Design Considerations 2.4-7 Effects of Local Intense Precipitation 2.4-9 Probable Maximum Flood (PMF) on Streams and Rivers 2.4-12 Probable Maximum Precipitation (PMP) 2.4-13 Precipitation Losses 2.4-14 Runoff and Stream Course Model 2.4-14 Probable Maximum Flood Flow 2.4-18 Water Level Determinations 2.4-25 Coincident Wind Wave Activity 2.4-26 Potential Dam Failures, Seismically Induced 2.4-28 Dam Failure Permutations 2.4-28 Unsteady Flow Analysis of Potential Dam Failures 2.4-39 Water Level at Plantsite 2.4-40 Probable Maximum Surge and Seiche Flooding 2.4-40 Probable Maximum Tsunami Flooding 2.4-40 Ice Effects 2.4-40 Cooling Water Canals and Reservoirs 2.4-41 Channel Diversions 2.4-42 Flooding Protection Requirements 2.4-42 Low Water Considerations 2.4-42 Low Flow in Rivers and Streams 2.4-42 Low Water Resulting From Surges, Seiches, or Tsunami 2.4-43 Historical Low Water 2.4-43 Future Control 2.4-43 Plant Requirements 2.4-44 Dispersion, Dilution, and Travel Times of Accidental Releases of Liquid Effluents Radioactive Liquid Wastes Accidental Slug Releases to Surface Water 2.4-45 2.4-45 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 2.4.12.2.1 2.4.12.3 2.4.13 2.4.13.1 2.4.13.2 2.4.13.3 2.4.13.4 2.4.13.5 2.4.14 2.4.14.1 2.4.14.1.1 2.4.14.1.2 2.4.14.1.3 2.4.14.1.4 2.4.14.2 2.4.14.2.1 2.4.14.2.2 2.4.14.2.3 2.4.14.3 2.4.14.4 2.4.14.4.1 2.4.14.4.2 2.4.14.4.3 2.4.14.5 2.4.14.5.1 2.4.14.5.2 2.4.14.5.3 2.4.14.5.4 2.4.14.6 2.4.14.7 2.4.14.8 2.4.14.8.1 2.4.14.8.2 2.4.14.9 2.4.14.9.1 2.4.14.9.2 2.4.14.9.3 2.4.14.9.4 2.4.14.9.5 2.4.14.9.6 2.4.14.10 2.4.14.11 2.5 Title Calculations Effects on Ground Water Groundwater Description and On-Site Use Sources Accident Effects Monitoring and Safeguard Requirements Design Basis for Subsurface Hydrostatic Loading Flooding Protection Requirements Introduction Design Basis Flood Combinations of Events Post Flood Period Localized Floods Plant Operation During Floods Above Grade Flooding of Structures Fuel Cooling Cooling of Plant Loads Warning Scheme Preparation for Flood Mode Reactor Initially Operating at Power Reactor Initially Refueling Plant Preparation Time Equipment Equipment Qualification Temporary Modification and Setup Electric Power Instrument, Control, Communication and Ventilation Systems Supplies Plant Recovery Warning Plan Rainfall Floods Seismically-Induced Dam Failure Floods Basis For Flood Protection Plan In Rainfall Floods Overview TVA Forecast System Basic Analysis Hydrologic Basis for Warning System Hydrologic Basis for Target States Communications Reliability Basis for Flood Protection Plan in Seismic-Caused Dam Failures Special Condition Allowance Page 2.4-46 2.4-47 2.4-48 2.4-48 2.4-48 2.4-50 2.4-50 2.4-51 2.4-51 2.4-51 2.4-51 2.4-52 2.4-52 2.4-52 2.4-52 2.4-52 2.4-53 2.4-54 2.4-55 2.4-55 2.4-55 2.4-55 2.4-56 2.4-56 2.4-56 2.4-56 2.4-56 2.4-57 2.4-57 2.4-57 2.4-58 2.4-58 2.4-58 2.4-59 2.4-59 2.4-59 2.4-61 2.4-61 2.4-62 2.4-63 2.4-64 2.4-65 GEOLOGY, SEISMOLOGY, AND GEOTECHNICAL ENGINEERING SUMMARY OF Table of Contents 1-xli WATTS BAR WBNP-76 TABLE OF CONTENTS Section Title FOUNDATION CONDITIONS 2.5.1 2.5.1.1 2.5.1.1.1 2.5.1.1.2 2.5.1.1.3 2.5.1.1.4 2.5.1.1.5 2.5.1.1.6 2.5.1.1.7 2.5.1.2 2.5.1.2.1 2.5.1.2.2 2.5.1.2.3 2.5.1.2.4 2.5.1.2.5 2.5.1.2.6 2.5.1.2.7 2.5.1.2.8 2.5.1.2.9 2.5.1.2.10 2.5.1.2.11 2.5.1.2.12 2.5.2 2.5.2.1 2.5.2.2 2.5.2.3 inces 2.5.2.4 2.5.2.5 2.5.2.6 2.5.2.7 2.5.3 2.5.3.1 2.5.3.2 2.5.3.3 2.5.3.4 2.5.3.5 2.5.3.6 2.5.3.7 2.5.3.8 2.5.4 2.5.4.1 2.5.4.2 1-xlii Page 2.5-1 Basic Geology and Seismic Information 2.5-2 Regional Geology 2.5-3 Regional Physiography 2.5-3 Regional Tectonics and Geology 2.5-7 Regional Geologic Setting 2.5-9 Regional Geologic History 2.5-10 Regional Lithologic, Stratigraphic, and Structural Geology 2.5-20 Regional Tectonics 2.5-22 Groundwater 2.5-26 Site Geology 2.5-26 Site Physiography 2.5-26 Site Lithologic, Stratigraphic, and Structural Geologic Conditions 2.5-27 Site Structural Geology 2.5-29 Surface Geology 2.5-30 Site Geologic History 2.5-31 Plot Plan 2.5-31 Bedrock Foundation Characteristics 2.5-31 Excavation and Backfill 2.5-31 Evaluation of Geologic Conditions 2.5-32 Groundwater 2.5-33 Geophysical Surveys 2.5-33 Soil and Rock Properties 2.5-34 Vibratory Ground Motion 2.5-34 Seismicity 2.5-34 Geologic Structures and Tectonic Activity 2.5-41 Correlation of Earthquake Activity With Geologic Structures to Tectonic Prov2.5-42 Maximum Earthquake Potential 2.5-42 Seismic Wave Transmission Characteristics of the Site 2.5-44 Safe Shutdown Earthquake 2.5-45 Operating Basis Earthquake 2.5-45 Surface Faulting 2.5-45 Geologic Conditions of the Site 2.5-45 Evidence of Fault Offset 2.5-45 Earthquakes Associated With Capable Faults 2.5-54 Investigations of Capable Faults 2.5-54 Correlation of Epicenters With Capable Faults 2.5-56 Description of Capable Faults 2.5-56 Zone Requiring Detailed Faulting Investigation 2.5-56 Results of Faulting Investigations 2.5-56 Stability of Subsurface Materials 2.5-56 Geologic Features 2.5-56 Properties of Subsurface Materials 2.5-57 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section Title 2.5.4.2.1 In Situ Soils General Description 57 Investigations 57 Test Results and Selection of Design Properties 61 2.5.4.2.2 Rock Engineering Description of Bedrock 74 Test Program 75 Description of Testing Techniques 75 Test Results for Menard Pressuremeter 77 Comparison of Results from Menard Pressuremeter and Birdwell 3D Sonic Logger 78 Settlement Analysis 78 Behavior of Watts Bar Lock 83 Excavation Experience in the Rutledge Shale at Watts Bar Lock 85 Evaluation of Settlement 86 2.5.4.3 Exploration 2.5.4.4 Geophysical Surveys 2.5.4.4.1 Rock Characteristics 2.5.4.4.2 Soil Characteristics Equipment 90 Velocity Measurement Procedures 90 Data Analysis and Results 91 Data Analysis and Results - Evaluation Seismic Criteria and New 93 2.5.4.5 Excavations and Backfill 2.5.4.5.1 Earthfill Investigation 93 Test Results 94 Field Work 97 Construction Control 98 2.5.4.5.2 Granular Fill General 98 Section 1032 Material 98 Section 1075 Material 100 2.5.4.6 Groundwater Conditions 2.5.4.7 Response of Soil and Rock to Dynamic Loading 2.5.4.8 Liquefaction Potential 2.5.4.9 Earthquake Design Basis 2.5.4.10 Static Analysis 2.5.4.10.1 Settlement 2.5.4.10.2 Bearing Capacity 2.5.4.11 Safety-Related Criteria for Foundations 2.5.4.11.1 General 2.5.4.11.2 Rock Strength 2.5.4.11.3 Soil Strength 2.5.4.12 Techniques to Improve Subsurface Conditions Table of Contents Page 2.5-57 2.5-74 2.5-89 2.5-90 2.5-90 2.5-90 2.5-93 2.5-93 2.5-98 2.5-101 2.5-103 2.5-103 2.5-113 2.5-113 2.5-113 2.5-114 2.5-115 2.5-115 2.5-115 2.5-115 2.5-115 1-xliii WATTS BAR WBNP-76 TABLE OF CONTENTS Section 2.5.4.13 2.5.5 2.5.5.1 2.5.5.1.1 2.5.5.1.2 2.5.5.2 2.5.5.2.1 2.5.5.2.2 2.5.5.2.3 2.5.5.3 2.5.5.4 2.5.6 Title Page Construction Notes 2.5-118 Stability of Slopes 2.5-118 Slope Characteristics 2.5-118 Essential Raw Cooling Water Intake Channel Slopes 2.5-118 Underground Barrier for Protection Against Potential Soil Liquefaction 2.5-118 Design Criteria and Analysis 2.5-120 Design Criteria and Analyses for the Essential Raw Coolant Water 2.5120 Additional Analyses Due to Unexpected Soil Conditions Encountered During Excavation of the Intake Channel 2.5-123 Design Criteria and Analysis for the Underground Barrier for the ERCW Pipeline and 1E Conduit Alignment 2.5-125 Logs of Borings 2.5-127 Compaction Specifications 2.5-127 Embankments 2.5-127 3.0 DESIGN OF STRUCTURES, COMPONENTS, EQUIPMENT, AND SYSTEMS 3.1 CONFORMANCE WITH NRC GENERAL DESIGN CRITERIA 3.1.1 3.1.2 3.1.2.1 3.1.2.2 3.1.2.3 3.1.2.4 3.1.2.5 3.1.2.6 3.2 Introduction WBNP Conformance with GDCs Overall Requirements Protection By Multiple Fission Product Barriers Protection and Reactivity Control Systems Fluid Systems Reactor Containment Fuel and Radioactivity Control CLASSIFICATION OF STRUCTURES, SYSTEMS, AND COMPONENTS 3.2.1 3.2.2 3.2.2.1 3.2.2.2 3.2.2.3 3.2.2.4 3.2.2.5 ponents 3.2.2.6 3.2.2.7 3.2.3 3.2.3.1 3.2.3.2 1-xliv 3.1-1 3.1-1 3.1-1 3.1-1 3.1-5 3.1-12 3.1-17 3.1-30 3.1-35 3.2-1 Seismic Classifications 3.2-1 System Quality Group Classification 3.2-1 Class A 3.2-2 Class B 3.2-2 Class C 3.2-2 Class D 3.2-2 Relationship of Applicable Codes to Safety Classification for Mechanical Com3.2-3 Nonnuclear Safety Class (NNS) 3.2-3 Heating, Ventilation and Air Conditioning (HVAC) Safety Classification 3.2-3 Code Cases and Code Editions and Addenda 3.2-3 TVA Design and Fabrication 3.2-3 Purchased Materials and Components 3.2-4 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 3.3 Title Wind and Tornado Loading Page 3.3-1 3.3.1 Wind Loadings 3.3-1 3.3.1.1 Design Wind Velocity 3.3-1 3.3.1.2 Determination of Applied Force 3.3-1 3.3.2 Tornado Loadings 3.3-1 3.3.2.1 Applicable Design Parameters 3.3-1 3.3.2.2 Determination of Forces on Structures 3.3-2 3.3.2.3 Ability of Category I Structures to Perform Despite Failure of Structures Not Designed for Tornado Loads 3.3-3 3.4 WATER LEVEL (FLOOD) DESIGN 3.4.1 3.4.2 3.5 3.4-1 Flood Protection Analysis Procedure 3.4-1 3.4-1 MISSILE PROTECTION 3.5-1 3.5.1 3.5.1.1 3.5.1.1.1 3.5.1.1.2 3.5.1.1.3 3.5.1.1.4 3.5.1.1.5 3.5.1.1.6 3.5.1.1.7 3.5.1.2 3.5.1.2.1 3.5.1.2.2 3.5.1.2.3 3.5.1.2.4 3.5.1.2.5 3.5.1.2.6 3.5.1.3 3.5.1.3.1 3.5.1.3.2 3.5.1.3.3 3.5.1.3.4 3.5.1.3.5 3.5.1.3.6 3.5.1.4 3.5.1.5 3.5.1.6 3.5.2 3.5.3 3.5.3.1 Missile Selection and Description 3.5-2 Internally Generated Missiles (Outside Containment) 3.5-2 Shield Building 3.5-2 North and South Steam Valve Rooms 3.5-2 Auxiliary Building 3.5-3 Control Building 3.5-4 ERCW Structures 3.5-4 ERCW Pipe Tunnels and RWST Foundations 3.5-4 Diesel Generator Building 3.5-4 Internally Generated Missiles (Inside Containment) 3.5-5 Missile Selection 3.5-5 Missile Description 3.5-7 Electrical Cables 3.5-8 Upper Compartment 3.5-8 Ice Condenser Compartment 3.5-8 Lower Compartment 3.5-8 Turbine Missiles 3.5-9 Introduction 3.5-9 Potential Missile Sources and Missile Characteristics 3.5-10 Primary Safety-Related Equipment Installations and Structures 3.5-15 Turbine Missile Protection Criterion 3.5-15 Turbine Missile Hazard Evaluation 3.5-16 Turbine Missile Selection 3.5-22 Missiles Generated By Natural Phenomena 3.5-23 Missiles Generated by Events Near the Site. 3.5-23 Aircraft Hazards 3.5-24 Systems To Be Protected 3.5-24 Barrier Design Procedures 3.5-25 Additional Diesel Generator Building (And Other Category I Structures Added Table of Contents 1-xlv WATTS BAR WBNP-76 TABLE OF CONTENTS Section After July 1979) Title Page 3.5-28 3.5.A ESTIMATES OF VELOCITIES OF JET PROPELLED MISSILES 3.6 ED 3.5-1 PROTECTION AGAINST DYNAMIC EFFECTS ASSOCIATED WITH THE POSTULATRUPTURE OF PIPING 3.6-1 3.6A PROTECTION AGAINST DYNAMIC EFFECTS ASSOCIATED WITH THE POSTULATED RUPTURE OF PIPING (EXCLUDING REACTOR COOLANT SYSTEM PIPING) 3.6-1 3.6A.1 Postulated Piping Failures in Fluid Systems Inside and Outside Containment 3.6-8 3.6A.1.1 Design Bases 3.6-8 3.6A.1.1.1 List of Potential Targets 3.6-8 3.6A.1.1.2 Interaction Criteria 3.6-8 3.6A.1.1.3 Acceptability Criteria 3.6-9 3.6A.1.1.4 Protective Measures 3.6-10 3.6A.1.2 Description of Piping System Arrangement 3.6-10 3.6A.1.3 Safety Evaluation 3.6-10 3.6A.2 Determination of Break Locations and Dynamic Effects Associated with the Postulated Rupture of Piping 3.6-11 3.6A.2.1 Criteria Used to Define Break and Crack Location and Configuration 3.6-11 3.6A.2.1.1 Pipe Failure Type, Size, and Orientation 3.6-11 3.6A.2.1.2 Break Location 3.6-12 3.6A.2.1.3 Failure Consequences 3.6-15 3.6A.2.1.4 Flooding 3.6-16 3.6A.2.1.5 Leak-Before-Break Application 3.6-17 3.6A.2.2 Analytical Methods to Define Forcing Functions and Response Models 3.6-17 3.6A.2.2.1 Assumptions 3.6-17 3.6A.2.2.2 Blowdown Thrust Loads 3.6-17 3.6A.2.2.3 Jet Impingement Loads 3.6-19 3.6A.2.3 Dynamic Analysis Methods to Verify Integrity and Operability 3.6-21 3.6A.2.3.1 General Criteria for Pipe Whip Evaluation 3.6-21 3.6A.2.3.2 Main Reactor Coolant Loop Piping System 3.6-21 3.6A.2.3.3 Other Piping Systems 3.6-21 3.6A.2.3.4 Simplified Pipe Whip Analysis 3.6-22 3.6A.2.3.5 Pipe Whip Restraint Design 3.6-23 3.6A.2.3.6 Energy Absorbing Materials 3.6-24 3.6A.2.4 Guard Pipe Assembly Design Criteria 3.6-24 3.6A.2.5 Summary of Dynamic Analysis Results 3.6-25 3.6A.2.5.1 Stress Summary and Isometrics - Inside Containment 3.6-25 3.6A.2.5.2 Summary of Protection Requirements and Isometrics-Outside Containment 3.6-26 3.6B PROTECTION AGAINST DYNAMIC EFFECTS ASSOCIATED WITH THE POSTULATED RUPTURE OF PIPING 3.6-26 3.6B.1 1-xlvi Break Locations And Dynamic Effects Associated With Postulated Primary Loop Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section Title Page Pipe Rupture 3.6-26 3.6B.2 Analytical Methods to Define Forcing Function and Response Models 3.6-27 3.6B.3 Dynamic Analysis of the Reactor Coolant Loop Piping Equipment Supports and Pipe Whip Restraints 3.6-29 3.7 SEISMIC DESIGN 3.7-1 3.7.1 3.7.1.1 3.7.1.1.1 3.7.1.1.2 3.7.1.2 3.7.1.2.1 Seismic Input 3.7-2 Ground Response Spectra 3.7-2 Original Site Ground Response Spectra (Set A and Set C) 3.7-2 Site Specific Ground Response Spectra (Set B) 3.7-2 Design Time Histories 3.7-2 Time Histories for Original Site Ground Response Spectra (Set A and Set C) 3.7-2 3.7.1.2.2 Time Histories for Site Specific Ground Response Spectra (Set B) 3.7-2 3.7.1.3 Critical Damping Values 3.7-3 3.7.1.4 Supporting Media for Seismic Category I Structures 3.7-3 3.7.2 Seismic System Analysis 3.7-3 3.7.2.1 Seismic Analysis Methods 3.7-4 3.7.2.1.1 Category I Rock-Supported Structures - Original Analyses (Set A) 3.7-4 3.7.2.1.2 Category I Rock - Supported Structures - Evaluation and New Design or Modification Analyses (Set B and Set B+C) 3.7-9 3.7.2.1.3 Category I Soil-Supported Structures - Original Analysis (Set A) 3.7-13 3.7.2.1.4 Category I Soil-Supported Structures - Evaluation and New Design/Modification Analysis (Set B and Set B+C) 3.7-18 3.7.2.1.5 Category I Pile-Supported Structures - Original Analysis (Set A) 3.7-19 3.7.2.1.6 Category I Pile-Supported Structures - Evaluation and New Design/Modification Analyses (Set B and Set B+C) 3.7-21 3.7.2.2 Natural Frequencies and Response Loads for NSSS 3.7-22 3.7.2.3 Procedures Used for Modeling 3.7-22 3.7.2.3.1 Other Than NSSS 3.7-22 3.7.2.3.2 For NSSS Analysis 3.7-22 3.7.2.4 Soil/Structure Interaction 3.7-23 3.7.2.4.1 Original Analysis (Set A) 3.7-23 3.7.2.4.2 Evaluation and New Design or Modification Analyses3.7-23 3.7.2.5 Development of Floor Response Spectra 3.7-24 3.7.2.5.1 Original Analysis 3.7-24 3.7.2.5.2 Evaluation and New Design or Modification Analysis 3.7-24 3.7.2.6 Three Components of Earthquake Motion 3.7-25 3.7.2.6.1 Original Analysis (Set A) 3.7-25 3.7.2.6.2 Evaluation and New Design/Modification Analyses (Set B and Set C) 3.7-25 3.7.2.7 Combination of Modal Responses 3.7-26 3.7.2.7.1 Other Than NSSS 3.7-26 Original Analysis (Set A) 26 Table of Contents 1-xlvii WATTS BAR WBNP-76 TABLE OF CONTENTS Section Title Page Evaluation and New Design or Modification Analyses 26 3.7.2.7.2 NSSS System 3.7-27 3.7.2.8 Interaction of Non-Category I Structures With Seismic Category I Structures 3.7-29 3.7.2.9 Effects of Parameter Variations on Floor Response Spectra 3.7-29 3.7.2.10 Use of Constant Vertical Load Factors 3.7-29 3.7.2.10.1 Other Than NSSS 3.7-29 Original Analysis (Set A) 29 Evaluation and New Design or Modification Analyses 30 3.7.2.10.2 For NSSS 3.7-30 3.7.2.11 Methods Used to Account for Torsional Effects 3.7-30 3.7.2.12 Comparison of Responses - Set A versus Set B 3.7-30 3.7.2.13 Methods for Seismic Analysis of Dams 3.7-31 3.7.2.14 Determination of Category I Structure Overturning Moments 3.7-31 3.7.2.14.1 Original Analysis 3.7-31 3.7.2.14.2 Evaluation and New Design or Modification Analysis 3.7-31 3.7.2.15 Analysis Procedure for Damping 3.7-31 3.7.3 Seismic Subsystem Analysis 3.7-31 3.7.3.1 Seismic Analysis Methods for Other Than NSSS 3.7-31 3.7.3.2 Determination of Number of Earthquake Cycles 3.7-32 3.7.3.2.1 Category I Systems and Components Other Than NSSS 3.7-32 3.7.3.2.2 NSSS System 3.7-33 3.7.3.3 Procedure Used for Modeling 3.7-33 3.7.3.3.1 Other Than NSSS 3.7-33 Modeling of Piping Systems for Detailed Rigorous Analysis 33 Modeling of Equipment 33 Modeling of HVAC, Conduit, and Cable Tray Subsystems 33 3.7.3.3.2 Modeling of NSSS Subsystems 3.7-34 3.7.3.4 Basis for Selection of Frequencies 3.7-34 3.7.3.4.1 Other Than NSSS 3.7-34 3.7.3.4.2 NSSS Basis for Selection of Forcing Frequencies 3.7-34 3.7.3.5 Use of Equivalent Static Load Method of Analysis 3.7-35 3.7.3.5.1 Other Than NSSS 3.7-35 3.7.3.5.2 Use of Equivalent Static Load Method of Analysis for NSSS 3.7-36 3.7.3.6 Three Components of Earthquake Motion 3.7-36 3.7.3.6.1 Piping Subsystems 3.7-36 3.7.3.6.2 HVAC Ducting, Conduit, and Cable Tray Subsystems 3.7-36 3.7.3.6.3 Other Than NSSS Equipment and Components 3.7-36 3.7.3.7 Combination of Modal Responses 3.7-37 3.7.3.7.1 Other Than NSSS 3.7-37 3.7.3.7.2 Combination of Modal Responses of NSSS 3.7-37 3.7.3.8 Analytical Procedures for Piping Other Than NSSS 3.7-37 3.7.3.8.1 General 3.7-37 3.7.3.8.2 Detailed Seismic Analysis (Rigorous) for Piping Systems 3.7-41 1-xlviii Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 3.7.3.8.3 3.7.3.8.4 Title Page Alternate (Simplified) Analysis for Piping Systems 3.7-43 Seismic Analysis of Piping Systems That Span Two or More Seismic Support Zones Such as Buildings, Portions of Buildings, or Primary Components 3.7-44 3.7.3.9 Multiple Supported Equipment and Components with Distinct Inputs 3.7-44 3.7.3.9.1 Other Than NSSS 3.7-44 3.7.3.9.2 Multiple Supported NSSS Equipment and Components with Distinct Inputs 3.7-44 3.7.3.10 Use of Constant Vertical Load Factors 3.7-45 3.7.3.10.1 Use of Constant Load Factors for Equipment Other Than NSSS 3.7-45 3.7.3.10.2 Use of Constant Vertical Load Factors for NSSS 3.7-45 3.7.3.11 Torsional Effects of Eccentric Masses 3.7-45 3.7.3.11.1 Piping Other Than NSSS 3.7-45 3.7.3.11.2 Torsional Effects of Eccentric Masses of NSSS 3.7-46 3.7.3.12 Buried Seismic Category I Piping Systems 3.7-46 3.7.3.13 Interaction of Other Piping with Seismic Category I Piping 3.7-52 3.7.3.14 Seismic Analyses for Fuel Elements, Control Rod Assemblies, Control Rod Drives, and Reactor Internals 3.7-52 3.7.3.15 Analysis Procedure for Damping 3.7-54 3.7.3.16 Seismic Analysis and Qualification of Category I Equipment Other Than NSSS 3.7-54 3.7.3.16.1 Dynamic Analysis Method For Equipment and Components 3.7-55 3.7.3.16.2 Simplified Dynamic Analysis Method For Equipment and Components 3.7-55 3.7.3.16.3 Equivalent Static Load Method 3.7-56 3.7.3.16.4 Testing Method 3.7-56 3.7.3.16.5 Equipment and Component Mounting Considerations 3.7-56 3.7.3.17 Seismic Analysis and Design of HVAC Duct and Duct Support Systems 3.757 3.7.3.17.1 Description of HVAC Duct and Duct Support Subsystems 3.7-57 3.7.3.17.2 Applicable Codes, Standards, and Specifications 3.7-57 3.7.3.17.3 Loads and Load Combinations 3.7-58 3.7.3.17.4 Analysis and Design Procedures 3.7-59 3.7.3.17.5 Structural Acceptance Criteria 3.7-59 3.7.3.17.6 Materials and Quality Control 3.7-60 3.7.3.18 Seismic Qualification of Main Control Room Suspended Ceiling and Air Delivery Components 3.7-61 3.7.4 Seismic Instrumentation Program 3.7-61 3.7.4.1 Comparison with Regulatory Guide 1.12 3.7-61 3.7.4.2 Location and Description of Instrumentation 3.7-61 3.7.4.3 Control Room Operator Notification 3.7-64 3.7.4.4 Controlled Shutdown Logic 3.7-64 3.7.4.5 Comparison of Measured and Predicted Responses 3.7-65 3.7.4.5.1 Retrieval of Data 3.7-65 Table of Contents 1-xlix WATTS BAR WBNP-76 TABLE OF CONTENTS Section 3.7.4.5.2 3.8 Page 3.7-66 DESIGN OF CATEGORY I STRUCTURES 3.8.1 3.8.1.1 3.8.1.1.1 3.8.1.2 3.8.1.3 3.8.1.4 3.8.1.5 3.8.1.6 3.8.1.6.1 3.8.1.6.2 3.8.1.6.3 3.8.1.7 3.8.2 3.8.2.1 3.8.2.1.1 3.8.2.1.2 3.8.2.2 3.8.2.2.1 3.8.2.2.2 3.8.2.2.3 3.8.2.3 3.8.2.3.1 3.8.2.3.2 3.8.2.4 3.8.2.4.1 3.8.2.4.2 3.8.2.4.3 3.8.2.4.4 3.8.2.4.5 3.8.2.4.6 3.8.2.4.7 3.8.2.4.8 3.8.2.5 3.8.2.5.1 3.8.2.6 3.8.2.6.1 3.8.2.6.2 3.8.2.6.3 3.8.2.6.4 3.8.2.6.5 1-l Title Evaluation of Recorded Earthquake 3.8-1 Concrete Shield Building Description of the Shield Building Equipment Hatch Doors and Sleeves Applicable Codes, Standards, and Specifications Loads and Loading Combinations Design and Analysis Procedures Structural Acceptance Criteria Materials, Quality Control and Special Construction Techniques Materials Quality Control Construction Techniques (Historical Information) Testing and Inservice Surveillance Requirements 3.8-1 3.8-1 3.8-2 3.8-3 3.8-5 3.8-7 3.8-10 3.8-10 3.8-11 3.8-11 3.8-12 3.8-13 Steel Containment System3.8-1 Description of the Containment and Penetrations3.8-1 Description of the Containment 3.8-1 Description of Penetrations 3.8-1 Applicable Codes, Standards and Specifications3.8-3 Codes 3.8-3 Design Specification Summary 3.8-4 NRC Regulatory Guides 3.8-6 Loads and Loading Combinations3.8-7 Design Loads 3.8-7 Loading Conditions 3.8-9 Design and Analysis Procedures3.8-12 Introduction 3.8-12 Static Stress Analysis 3.8-12 Dynamic Seismic Analysis 3.8-13 Non-Axisymmetric Pressure Loading Analysis 3.8-13 Thermal Analysis 3.8-14 Penetrations Analysis 3.8-15 Interaction of Containment and Attached Equipment 3.8-17 Anchorage 3.8-17 Structural Acceptance Criteria3.8-18 Margin of Safety 3.8-18 Materials, Quality Control, and Special Construction Techniques3.8-19 Materials - General 3.8-19 Corrosion Protection 3.8-22 Protective Coatings 3.8-24 Tolerances 3.8-24 Vessel Material Inspection and Test 3.8-25 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section Title Page 3.8.2.6.6 Impact Testing 3.8-25 3.8.2.6.7 Post-Weld Heat Treatment 3.8-25 3.8.2.6.8 Welding 3.8-25 3.8.2.7 Testing and Inservice Inspection Requirements3.8-26 3.8.2.7.1 Bottom Liner Plates Test - Historical Information 3.8-26 3.8.2.7.2 Vertical Wall and Dome Tests - Historical Information 3.8-26 3.8.2.7.3 Soap Bubble Tests - Historical Information 3.8-26 3.8.2.7.4 Overpressure Tests - Historical Information 3.8-26 3.8.2.7.5 Leakage Rate Test - Historical Information 3.8-26 3.8.2.7.6 Operational Testing - Historical Information 3.8-27 3.8.2.7.7 Leak Testing Airlocks - Historical Information 3.8-27 3.8.2.7.8 Penetration Tests - Historical Information 3.8-27 3.8.2.7.9 Inservice Inspection Requirements 3.8-27 Components Subject to Examination and/or Test 27 Accessibility 28 Examination Techniques and Procedures 28 Inspection Intervals 28 Examination Categories and Requirements 28 Evaluation of Examination Results 28 System Pressure Tests 28 3.8.3 Concrete Interior Structure 3.8.3.1 3.8.3.1.1 3.8.3.1.2 3.8.3.1.3 3.8.3.1.4 3.8.3.1.5 3.8.3.1.6 3.8.3.1.7 3.8.3.1.8 3.8.3.1.9 3.8.3.1.10 3.8.3.1.11 3.8.3.2 3.8.3.3 3.8.3.4 3.8.3.4.1 3.8.3.4.2 3.8.3.4.3 3.8.3.4.4 3.8.3.4.5 3.8.3.4.6 3.8.3.4.7 Description of the Interior Structure General Containment Floor Structural Fill Slab Reactor Cavity Wall Compartment Above Reactor Refueling Canal Walls and Floor (Divider Barrier) Crane Wall Steam Generator Compartments (Divider Barrier) Pressurizer Compartment (Divider Barrier) Divider Deck at Elevation 756.63 (Divider Barrier) Ice Condenser Support Floor - Elevation 744.5 (Divider Barrier) Penetrations Through the Divider Barrier Applicable Codes, Standards and Specifications Loads and Loading Combinations Design and Analysis Procedures General Structural Fill Slab on Containment Floor Reactor Cavity Wall Compartment Above Reactor Seals Between Upper and Lower Compartments Refueling Canal Walls and Floor (Divider Barrier) Crane Wall Table of Contents 3.8-1 3.8-1 3.8-1 3.8-1 3.8-2 3.8-2 3.8-3 3.8-3 3.8-5 3.8-5 3.8-5 3.8-5 3.8-6 3.8-7 3.8-13 3.8-16 3.8-16 3.8-16 3.8-16 3.8-18 3.8-18 3.8-19 3.8-20 1-li WATTS BAR WBNP-76 TABLE OF CONTENTS Section 3.8.3.4.8 3.8.3.4.9 3.8.3.4.10 3.8.3.4.11 3.8.3.4.12 3.8.3.4.13 3.8.3.5 3.8.3.5.1 3.8.3.5.2 3.8.3.5.3 3.8.3.5.4 3.8.3.5.5 3.8.3.5.6 3.8.3.5.7 3.8.3.5.8 3.8.3.5.9 3.8.3.5.10 3.8.3.5.11 3.8.3.5.12 3.8.3.6 3.8.3.6.1 3.8.3.6.2 3.8.3.6.3 3.8.3.6.4 3.8.3.7 3.8.3.8 3.8.4 Other Category I Structures 3.8.4.1 3.8.4.1.1 3.8.4.1.2 3.8.4.1.3 3.8.4.1.4 3.8.4.1.5 3.8.4.1.6 3.8.4.1.7 3.8.4.1.8 3.8.4.2 3.8.4.2.1 3.8.4.2.2 3.8.4.3 3.8.4.3.1 3.8.4.3.2 3.8.4.4 1-lii Title Steam Generator Compartments (Divider Barrier) Pressurizer Compartment (Divider Barrier) Operating Deck at Elevation 756.63 (Divider Barrier) Ice Condenser Support Floor Elevation 744.5 (Divider Barrier) Ice Condenser Penetrations Through the Divider Barrier Structural Acceptance Criteria General Structural Fill Slab on Containment Floor Reactor Cavity Wall and Compartment Above Reactor Refueling Canal Walls and Floor Crane Wall Steam Generator and Pressurizer Compartment Operating Deck at Elevation 756.63 Ice Condenser Support Floor Elevation 744.5 Penetrations Through the Divider Barrier Personnel Access Doors in Crane Wall Seals Between Upper and Lower Compartments Ice Condenser Materials, Quality Control and Special Construction Techniques Materials Quality Control Construction Technique - Historical Information Ice Condenser Testing and Inservice Surveillance Requirements Environmental Effects Page 3.8-23 3.8-25 3.8-26 3.8-27 3.8-28 3.8-28 3.8-31 3.8-31 3.8-31 3.8-31 3.8-31 3.8-31 3.8-32 3.8-32 3.8-32 3.8-32 3.8-33 3.8-33 3.8-33 3.8-34 3.8-34 3.8-35 3.8-35 3.8-36 3.8-38 3.8-38 3.8-1 Description of the Structures Auxiliary-Control Building Diesel Generator Building Category I Water Tanks and Pipe Tunnels Class 1E Electrical System Manholes and Duct Runs North Steam Valve Room Intake Pumping Station and Retaining Walls Miscellaneous Essential Raw Cooling Water (ERCW) Structures Additional Diesel Generator Building Applicable Codes, Standards, and Specifications List of Documents Basis for Use of the 1963 Edition of ACI 318 Loads and Loading Combinations Description of Loads Load Combinations and Allowable Stresses Design and Analysis Procedures 3.8-1 3.8-1 3.8-10 3.8-11 3.8-13 3.8-13 3.8-14 3.8-15 3.8-16 3.8-17 3.8-17 3.8-19 3.8-21 3.8-21 3.8-22 3.8-23 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 3.8.4.4.1 3.8.4.4.2 3.8.4.4.3 3.8.4.4.4 3.8.4.4.5 3.8.4.4.6 3.8.4.4.7 3.8.4.4.8 3.8.4.5 3.8.4.5.1 3.8.4.5.2 3.8.4.5.3 3.8.4.5.4 3.8.4.5.5 3.8.4.5.6 3.8.4.6 3.8.4.6.1 3.8.4.6.2 3.8.4.6.3 3.8.4.7 3.8.4.7.1 3.8.4.7.2 3.8.4.7.3 3.8.4.7.4 3.8.5 Title Auxiliary-Control Building Diesel Generator Building Category I Water Tanks and Pipe Tunnels Class 1E Electrical System Manholes North Steam Valve Room Intake Pumping Station and Retaining Walls Miscellaneous ERCW Structures Additional Diesel Generator Building Structural Acceptance Criteria Concrete Structural and Miscellaneous Steel Miscellaneous Components of the Auxiliary Building Intake Pumping Station Traveling Water Screens Diesel Generator Building Doors and Bulkheads Additional Diesel Generator Building Missile Barriers Materials, Quality Control, and Special Construction Techniques Materials Quality Control Special Construction Techniques Testing and Inservice Surveillance Requirements Concrete and Structural Steel Portions of Structures Miscellaneous Components of Auxiliary-Control Building Deleted by Amendment 79 Miscellaneous Components of the Intake Pumping Station Foundations and Concrete Supports 3.8.5.1 3.8.5.1.1 3.8.5.1.2 3.8.5.2 3.8.5.3 3.8.5.4 3.8.5.4.1 3.8.5.4.2 3.8.5.4.3 3.8.5.4.4 3.8.5.4.5 3.8.5.5 3.8.5.5.1 3.8.5.5.2 3.8.5.6 3.8.5.6.1 3.8.5.6.2 3.8.5.6.3 Description of Foundations and Supports Primary Containment Foundations of Other Category I Structures Applicable Codes, Standards, and Specifications Loads and Loading Combinations Design and Analysis Procedure Primary Containment Foundation Auxiliary-Control Building Intake Pumping Station Soil-Supported Structures Pile Supported Structures Structural Acceptance Criteria Primary Containment Foundation Foundations of Other Category I Structures Auxiliary-Control Building Materials, Quality Control, and Special Construction Techniques Materials Quality Control Special Construction Techniques Table of Contents Page 3.8-23 3.8-30 3.8-31 3.8-31 3.8-31 3.8-32 3.8-32 3.8-33 3.8-35 3.8-35 3.8-35 3.8-36 3.8-37 3.8-37 3.8-37 3.8-37 3.8-37 3.8-38 3.8-38 3.8-38 3.8-39 3.8-39 3.8-40 3.8-40 3.8-1 3.8-1 3.8-1 3.8-1 3.8-3 3.8-4 3.8-4 3.8-4 3.8-4 3.8-4 3.8-5 3.8-5 3.8-5 3.8-5 3.8-5 3.8-6 3.8-6 3.8-7 3.8-7 1-liii WATTS BAR WBNP-76 TABLE OF CONTENTS Section 3.8.6 Title Category I(L) Cranes 3.8.6.1 3.8.6.1.1 3.8.6.1.2 3.8.6.1.3 3.8.6.1.4 3.8.6.1.5 3.8.6.1.6 3.8.6.1.7 3.8.6.1.8 3.8.6.2 3.8.6.2.1 3.8.6.2.2 3.8.6.2.3 3.8.6.2.4 3.8.6.2.5 3.8.6.2.6 3.8.6.2.7 3.8.6.2.8 3.8-1 Polar Cranes Description Applicable Codes, Standards, and Specifications Loads, Loading Combinations, and Allowable Stresses Design and Analysis Procedure Structural Acceptance Criteria Materials, Quality Controls, and Special Construction Techniques Testing and In-service Surveillance Requirements Safety Features Auxiliary Building Crane Description Applicable Codes, Standards, and Specifications Loads, Loading Combinations, and Allowable Stresses Design and Analysis Procedure Structural Acceptance Criteria Materials, Quality Controls, and Special Construction Techniques Testing and In-service Surveillance Requirements Safety Features 3.8A 3.8B Page 3.8-1 3.8-1 3.8-1 3.8-2 3.8-2 3.8-2 3.8-3 3.8-3 3.8-3 3.8-4 3.8-4 3.8-5 3.8-5 3.8-5 3.8-6 3.8-6 3.8-7 3.8-7 SHELL TEMPERATURE TRANSIENTS3.8-1 BUCKLING STRESS CRITERIA 3.8-1 3.8B.1 INTRODUCTION 3.8-1 3.8B.2 SHELLS STIFFENED WITH CIRCUMFERENTIAL STIFFENERS 3.8-1 3.8B.2.1 Circular Cylindrical Shells Under Axial Compression 3.8-1 3.8B.2.2 Circular Cylindrical Shells in Circumferential Compression 3.8-2 3.8B.2.3 Circular Cylindrical Shells Under Torsion 3.8-2 3.8B.2.4 Circular Cylindrical Shells Under Bending 3.8-3 3.8B.2.5 Circular Cylindrical Shell Under Combined Loads 3.8-4 3.8B.3 SHELLS STIFFENED WITH A COMBINATION OF CIRCUMFERENTIAL AND VERTICAL STIFFENERS 3.8-5 3.8B.4 SPHERICAL SHELLS 3.8-7 3.8B.2.1 The critical buckling stress in the spherical dome, except for external pressure, was determined by the following equation: 3.8-7 3.8B.2.2 Spherical Shell Under Combined Loads 3.8-8 3.8B.3 FACTOR OF SAFETY 3.8-8 3.8C DOCUMENTATION OF CB&I COMPUTER PROGRAMS 3.8-1 3.8C.1 INTRODUCTION 3.8-1 3.8C.2 PROGRAM 1017-MODAL ANALYSIS OF STRUCTURES USING THE EIGEN VALUE TECHNIQUE 3.8-1 3.8C.3 PROGRAM 1044-SEISMIC ANALYSIS of VESSEL APPENDAGES 3.8-1 3.8C.4 PROGRAM E1668-SPECTRAL ANALYSIS FOR ACCELERATION RECORDS 1-liv Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section Title Page DIGITIZED AT EQUAL INTERVALS 3.8-3 3.8C.5 PROGRAM 1642-TRANSIENT PRESSURE BEAM ANALYSIS 3.8-3 3.8C.6 PROGRAM E1623-POST PROCESSOR PROGRAM FOR PROGRAM E1374 3.84 3.8C.7 PROGRAM E1374-SHELL DYNAMIC ANALYSIS 3.8-5 3.8C.7.1 Introduction 3.8-5 3.8C.8 PROGRAM E1622-LOAD GENERATION PREPROCESSOR FOR PROGRAM E1374 3.8-6 3.8C.9 PROGRAM E1624 SPCGEN-SPECTRAL CURVE GENERATION 3.8-7 3.8C.10 PROGRAM 781, METHOD OF MODELING VERTICAL STIFFENERS 3.8-7 3.8C.11 PROGRAM 119-CHECK of FLANGE DESIGN 3.8-7 3.8C.12 PROGRAM 772-NOZZLE REINFORCEMENT CHECK 3.8-7 3.8C.13 PROGRAM 1027-WRC 107 STRESS INTENSITIES AT LOADED ATTACHMENTS FOR SPHERES OR CYLINDERS WITH ROUND OR SQUARE ATTACHMENT 3.88 3.8C.14 PROGRAM 1036M-STRESS INTENSITIES IN JUMBO INSERT PLATES 3.8-8 3.8D COMPUTER PROGRAMS FOR STRUCTURAL ANALYSIS 3.8-1 3.8E CODES, LOAD DEFINITIONS AND LOAD COMBINATIONS FOR THE MODIFICATION AND EVALUATION OF EXISTING STRUCTURES AND FOR THE DESIGN OF NEW FEATURES ADDED TO EXISTING STRUCTURES AND THE DESIGN OF STRUCTURES INITIATED AFTER JULY 1979 3.8-1 3.8E.1 3.8E.2 3.8E.3 3.8E.4 3.9 Application Codes and Standards Load Definitions Load Combinations - Concrete Load Combinations - Structural Steel 3.8-1 3.8-1 3.8-3 3.8-5 MECHANICAL SYSTEMS AND COMPONENTS 3.9-1 3.9.1 General Topic for Analysis of Seismic Category I ASME Code and Non-Code Items 3.9-1 3.9.1.1 Design Transients 3.9-1 3.9.1.2 Computer Programs Used in Analysis and Design 3.9-1 3.9.1.2.1 Other Than NSSS Systems, Components, Equipment, and Supports 3.9-1 3.9.1.2.2 Programs Used for Category I Components of NSSS 3.9-3 3.9.1.3 Experimental Stress Analysis 3.9-3 3.9.1.4 Consideration for the Evaluation of the Faulted Condition 3.9-3 3.9.1.4.1 Subsystems and Components Analyzed by Westinghouse 3.9-3 3.9.1.4.2 Subsystems and Components Analyzed by TVA 3.9-3 3.9.2 Dynamic Testing and Analysis 3.9-4 3.9.2.1 Preoperational Vibration and Dynamic Effects Testing on Piping 3.9-4 3.9.2.2 Seismic Qualification Testing of Safety-Related Mechanical Equipment 3.9-6 3.9.2.3 Dynamic Response Analysis of Reactor Internals Under Operational Flow Transients and Steady-State Conditions 3.9-8 3.9.2.4 Preoperational Flow-Induced Vibration Testing of Reactor Internals 3.9-10 Table of Contents 1-lv WATTS BAR WBNP-76 TABLE OF CONTENTS Section 3.9.2.5 3.9-12 3.9.2.5.1 3.9.2.5.2 3.9.2.5.3 3.9.2.5.4 Title Page Dynamic System Analysis of the Reactor Internals Under Faulted Conditions Design Criteria 3.9-12 Internals Evaluation 3.9-13 LOCA Forces Analysis 3.9-13 Structural Response of Reactor Internals During LOCA and Seismic Conditions 3.9-14 Seismic Analysis 3.9-18 Results and Acceptance Criteria 3.9-18 Results and Acceptance Criteria 3.9-19 Structural Adequacy of Reactor Internals Components 3.9-19 Correlations of Reactor Internals Vibration Tests With the Analytical Results 3.9.2.5.5 3.9.2.5.6 3.9.2.5.7 3.9.2.5.8 3.9.2.6 3.9-21 3.9.3 ASME Code Class 1, 2 and 3 Components, Component Supports and Core Support Structures 3.9-22 3.9.3.1 Loading Combinations, Design Transients, and Stress Limits 3.9-22 3.9.3.1.1 Subsystems and Components Supplied by Westinghouse 3.9-22 Plant Conditions and Design Loading Combinations For ASME Code Class 2 and 3 Components Supplied by Westinghouse 24 Design Loading Combinations by Westinghouse 24 Design Stress Limits By Westinghouse 24 3.9.3.1.2 Subsystems and Components Analyzed or Specified by TVA 3.9-25 3.9.3.2 Pumps and Valve Operability Assurance 3.9-29 3.9.3.2.1 Active* ASME Class 1, 2, & 3 Pumps and Valves 3.9-29 3.9.3.2.2 Operability Assurance 3.9-30 Westinghouse Scope of Supply 30 TVA Scope of Supply 35 3.9.3.2.3 Criteria For Assuring Functional Adequacy of Active Seismic Category I Fluid System Components (Pumps and Valves) and Associated Essential Auxiliary Equipment 3.9-36 3.9.3.3 Design and Installation Details for Mounting of Pressure Relief Devices3.9-41 3.9.3.4 Component Supports 3.9-43 3.9.3.4.1 Subsystem and Component Supports Analyzed or Specified by Westinghouse 3.9-43 3.9.3.4.2 Subsystem and Component Supports Analyzed or Specified by TVA 3.944 3.9.4 Control Rod System 3.9-48 3.9.4.1 Descriptive Information of CRDS 3.9-48 3.9.4.2 Applicable CRDS Design Specifications 3.9-48 3.9.4.3 Design Loadings, Stress Limits, and Allowable Deformations 3.9-48 3.9.4.4 CRDS Performance Assurance Program 3.9-48 3.9.5 Reactor Pressure Vessel Internals 3.9-48 3.9.5.1 Design Arrangements 3.9-48 3.9.5.2 Design Loading Conditions 3.9-48 1-lvi Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 3.9.5.3 3.9.5.4 3.9.6 Title Design Loading Categories Design Basis Inservice Testing of Pumps and Valves Page 3.9-48 3.9-48 3.9-48 3.10 SEISMIC DESIGN OF CATEGORY I INSTRUMENTATION AND ELECTRICAL EQUIPMENT 3.10-1 3.10.1 Seismic Qualification Criteria 3.10-1 3.10.2 Methods And Procedures For Qualifying Electrical Equipment And Instrumentation 3.10-6 3.10.3 Methods of Qualifying TVA-Designed Supports for Electrical Equipment Instrumentation and Cables 3.10-6 3.10.3.1 Electrical Equipment and Instrumentation Assemblies 3.10-7 3.10.3.2 Cable Trays and Supports 3.10-7 3.10.3.2.1 Cable Trays 3.10-7 3.10.3.2.2 Supports 3.10-7 3.10.3.3 Conduit and Supports 3.10-8 3.10.3.3.1 Conduit 3.10-8 3.10.3.3.2 Supports 3.10-8 3.10.3.4 Conduit Banks 3.10-9 3.10.4 Operating License Review 3.10-9 3.10.4.1 TVA Supplied Instrumentation and Electrical Equipment 3.10-9 3.11 1 ENVIRONMENTAL DESIGN OF MECHANICAL AND ELECTRICAL EQUIPMENT 3.11- 3.11.1 3.11.1.1 3.11.1.2 3.11.2 3.11.2.1 3.11.2.2 3.11.3 3.11.4 3.11.5 3.11.6 3.11.7 3.11.7.1 3.11.7.2 3.11.7.2.1 3.11.7.2.2 Equipment Identification and Environmental Conditions Identification of Safety Systems and Justification Identification of Equipment in Harsh Environments Environmental Conditions Harsh Environment Mild Environment Electrical Equipment Within the Scope of 10 CFR 50.49 Qualification Tests and Analyses Qualification Test Results Loss of Heating, Ventilating, and Air-Conditioning (HVAC) Estimated Chemical and Radiation Environment Chemical Spray Radiation Inside Containment Radiation - Auxiliary Building Spaces 4.0 3.11-1 3.11-1 3.11-1 3.11-2 3.11-2 3.11-3 3.11-3 3.11-4 3.11-4 3.11-4 3.11-4 3.11-4 3.11-5 3.11-5 3.11-6 REACTOR 4.1 SUMMARY DESCRIPTION 4.1-1 4.2 MECHANICAL DESIGN 4.2-1 Table of Contents 1-lvii WATTS BAR WBNP-76 TABLE OF CONTENTS Section 4.2.1 4.2.1.1 4.2.1.1.1 4.2.1.1.2 4.2.1.2 4.2.1.2.1 4.2.1.2.2 4.2.1.3 4.2.1.3.1 4.2.1.3.2 4.2.1.3.3 4.2.1.3.4 4.2.1.3.5 4.2.1.4 4.2.1.4.1 4.2.1.4.2 4.2.1.4.3 4.2.1.4.4 4.2.2 4.2.2.1 4.2.2.2 4.2.2.3 4.2.2.4 4.2.2.5 4.2.3 4.2.3.1 4.2.3.1.1 4.2.3.1.2 4.2.3.1.3 4.2.3.1.4 4.2.3.2 4.2.3.2.1 4.2.3.2.2 4.2.3.3 4.2.3.3.1 4.2.3.3.2 4.2.3.4 4.2.3.4.1 4.2.3.4.2 4.2.3.5 4.2.4 4.3 1-lviii Page Fuel 4.2-2 Design Bases 4.2-2 Fuel Rods 4.2-2 Fuel Assembly Structure 4.2-3 Design Description 4.2-5 Fuel Rods4.2-6 Fuel Assembly Structure 4.2-6 Design Evaluation 4.2-10 Fuel Rods 4.2-10 Fuel Assembly Structure 4.2-17 Operational Experience 4.2-18 Test Rod and Test Assembly Experience 4.2-18 Evaluation of the Reactor Core for a Limiting LOCA Load - Accumulator Line Break 4.2-18 Tests and Inspections 4.2-19 Quality Assurance Program 4.2-19 Quality Control 4.2-19 Tests and Inspections by Others 4.2-22 Onsite Inspection 4.2-22 Reactor Vessel Internals 4.2-22 Design Bases 4.2-22 Description and Drawings 4.2-23 Design Loading Conditions 4.2-27 Design Loading Categories 4.2-27 Design Criteria Basis 4.2-28 Reactivity Control System 4.2-29 Design Bases 4.2-29 Design Stresses 4.2-29 Material Compatibility 4.2-29 Reactivity Control Components 4.2-29 Control Rod Drive Mechanisms 4.2-31 Design Description 4.2-32 Reactivity Control Components 4.2-33 Control Rod Drive Mechanism (CRDM) 4.2-37 Design Evaluation 4.2-42 Reactivity Control Components 4.2-42 Control Rod Drive Mechanism 4.2-48 Tests, Verification, and Inspections 4.2-51 Reactivity Control Components 4.2-51 Control Rod Drive Mechanisms 4.2-52 Instrumentation Applications 4.2-53 Tritium Producing Burnable Absorber Rod - Tritium Production Core 4.2-54 NUCLEAR DESIGN Title 4.3-1 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 4.3.1 4.3.1.1 4.3.1.2 4.3.1.3 4.3.1.4 4.3.1.5 4.3.1.6 4.3.1.7 4.3.1.8 4.3.2 4.3.2.1 4.3.2.2 4.3.2.2.1 4.3.2.2.2 4.3.2.2.3 4.3.2.2.4 4.3.2.2.5 4.3.2.2.6 4.3.2.2.7 4.3.2.2.8 4.3.2.3 4.3.2.3.1 4.3.2.3.2 4.3.2.3.3 4.3.2.3.4 4.3.2.3.5 4.3.2.4 4.3.2.4.1 4.3.2.4.2 4.3.2.4.3 4.3.2.4.4 4.3.2.4.5 4.3.2.4.6 4.3.2.4.7 4.3.2.4.8 4.3.2.4.9 4.3.2.5 4.3.2.5.1 4.3.2.5.2 4.3.2.5.3 4.3.2.5.4 4.3.2.5.5 4.3.2.5.6 Page DESIGN BASES 4.3-1 Fuel Burnup 4.3-2 Negative Reactivity Feedbacks (Reactivity Coefficient) 4.3-2 Control of Power Distribution 4.3-3 Maximum Controlled Reactivity Insertion Rate 4.3-3 Shutdown Margins With Vessel Head in Place 4.3-4 Shutdown Margin for Refueling 4.3-4 Stability 4.3-5 Anticipated Transients Without Trip 4.3-5 Description 4.3-5 Nuclear Design Description 4.3-5 Power Distributions 4.3-7 Definitions 4.3-7 Radial Power Distributions 4.3-9 Assembly Power Distributions 4.3-9 Axial Power Distribution 4.3-9 Limiting Power Distributions 4.3-10 Experimental Verification of Power Distribution Analysis 4.3-14 Testing 4.3-15 Monitoring Instrumentation 4.3-16 Reactivity Coefficients 4.3-16 Fuel Temperature (Doppler) Coefficient 4.3-16 Moderator Coefficients 4.3-17 Power Coefficient 4.3-18 Comparison of Calculated and Experimental Reactivity Coefficients 4.318 Reactivity Coefficients Used in Transient Analysis 4.3-19 Control Requirements 4.3-19 Doppler 4.3-20 Variable Average Moderator Temperature 4.3-20 Redistribution 4.3-20 Void Content 4.3-20 Rod Insertion Allowance 4.3-20 Burnup 4.3-20 Xenon and Samarium Concentrations 4.3-21 pH Effects 4.3-21 Experimental Confirmation 4.3-21 Control 4.3-21 Chemical Shim 4.3-21 Rod Cluster Control Assemblies 4.3-21 Burnable Absorbers 4.3-22 Peak Xenon Startup 4.3-22 Load Follow Control and Xenon Control 4.3-22 Burnup 4.3-23 Table of Contents Title 1-lix WATTS BAR WBNP-76 TABLE OF CONTENTS Section 4.3.2.6 4.3.2.7 4.3.2.8 4.3.2.8.1 4.3.2.8.2 4.3.2.8.3 4.3.2.8.4 4.3.2.8.5 4.3.2.8.6 4.3.2.9 4.3.3 4.3.3.1 4.3.3.2 4.3.3.3 4.4 Title Control Rod Patterns and Reactivity Worth Criticality of Fuel Assemblies Stability Introduction Stability Index Prediction of the Core Stability Stability Measurements Comparison of Calculations with Measurements Stability Control and Protection Vessel Irradiation Analytical Methods Fuel Temperature (Doppler) Calculations Macroscopic Group Constants Spatial Few-Group Diffusion Calculations THERMAL AND HYDRAULIC DESIGN Page 4.3-23 4.3-24 4.3-28 4.3-28 4.3-28 4.3-29 4.3-29 4.3-31 4.3-31 4.3-32 4.3-33 4.3-33 4.3-34 4.3-35 4.4-1 4.4.1 Design Bases 4.4-1 4.4.1.1 Departure from Nucleate Boiling Design Basis 4.4-1 4.4.1.2 Fuel Temperature Design Basis 4.4-2 4.4.1.3 Core Flow Design Basis 4.4-3 4.4.1.4 Hydrodynamic Stability Design Bases 4.4-3 4.4.1.5 Other Considerations 4.4-3 4.4.2 Description 4.4-4 4.4.2.1 Summary Comparison 4.4-4 4.4.2.2 Fuel and Cladding Temperatures 4.4-4 4.4.2.2.1 UO2 Thermal Conductivity 4.4-4 4.4.2.2.2 Radial Power Distribution in UO2 Fuel Rods 4.4-5 4.4.2.2.3 Gap Conductance 4.4-6 4.4.2.2.4 Surface Heat Transfer Coefficients 4.4-6 4.4.2.2.5 Fuel Clad Temperatures 4.4-6 4.4.2.2.6 Treatment of Peaking Factors 4.4-6 4.4.2.3 Critical Heat Flux Ratio or Departure from Nucleate Boiling Ratio and Mixing Technology 4.4-7 4.4.2.3.1 Departure from Nucleate Boiling Technology 4.4-7 4.4.2.3.2 Definition of Departure from Nucleate Boiling Ratio 4.4-8 4.4.2.3.3 Mixing Technology 4.4-10 4.4.2.3.4 Hot Channel Factors 4.4-11 4.4.2.3.5 Effects of Rod Bow on DNBR 4.4-13 4.4.2.4 Flux Tilt Considerations 4.4-13 4.4.2.5 Void Fraction Distribution 4.4-14 4.4.2.6 Deleted 4.4-14 4.4.2.7 Core Pressure Drops and Hydraulic Loads 4.4-14 4.4.2.7.1 Core Pressure Drops 4.4-14 4.4.2.7.2 Hydraulic Loads 4.4-15 1-lx Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 4.4.2.8 4.4.2.8.1 4.4.2.8.2 4.4.2.8.3 4.4.2.9 4.4.2.10 4.4.2.10.1 4.4.2.10.2 4.4.2.10.3 4.4.2.10.4 4.4.2.10.5 4.4.2.10.6 4.4.2.10.7 4.4.2.10.8 4.4.2.11 4.4.3 4.4.3.1 4.4.3.1.1 4.4.3.1.2 4.4.3.1.3 4.4.3.2 4.4.3.2.1 4.4.3.2.2 4.4.3.3 4.4.3.4 4.4.3.4.1 4.4.3.4.2 4.4.3.4.3 4.4.3.5 4.4.3.6 4.4.3.7 4.4.3.8 4.4.3.9 4.4.3.10 4.4.4 4.4.4.1 4.4.4.2 4.4.4.3 4.4.5 4.4.5.1 4.4.5.2 4.4.5.3 Title Page Correlation and Physical Data 4.4-15 Surface Heat Transfer Coefficients 4.4-15 Total Core and Vessel Pressure Drop 4.4-16 Void Fraction Correlation 4.4-17 Thermal Effects of Operational Transients 4.4-17 Uncertainties in Estimates 4.4-18 Uncertainties in Fuel and Clad Temperatures 4.4-18 Uncertainties in Pressure Drops 4.4-18 Uncertainties Due to Inlet Flow Maldistribution 4.4-19 Uncertainties in DNB Correlation 4.4-19 Uncertainties in DNBR Calculations 4.4-19 Uncertainties in Flow Rates 4.4-19 Uncertainties in Hydraulic Loads 4.4-19 Uncertainties in Mixing Coefficient 4.4-20 Plant Configuration Data 4.4-20 EVALUATION 4.4-20 Core Hydraulics 4.4-20 Flow Paths Considered in Core Pressure Drop and Thermal Design 4.420 Inlet Flow Distributions 4.4-21 Empirical Friction Factor Correlations 4.4-22 Influence of Power Distribution 4.4-22 Nuclear Enthalpy Rise Hot Channel Factor, FN∆H 4.4-22 Axial Heat Flux Distributions 4.4-23 Core Thermal Response 4.4-24 Analytical Techniques 4.4-24 Core Analysis 4.4-24 Fuel Temperatures 4.4-26 Hydrodynamic Instability 4.4-26 Hydrodynamic and Flow Power Coupled Instability 4.4-26 Temperature Transient Effects Analysis 4.4-28 Potentially Damaging Temperature Effects During Transients 4.4-29 Energy Release During Fuel Element Burnout 4.4-29 Deleted 4.4-30 Fuel Rod Behavior-Effects from Coolant Flow Blockage 4.4-30 Testing and Verification 4.4-31 Tests Prior to Initial Criticality 4.4-31 Initial Power and Plant Operation 4.4-31 Component and Fuel Inspections 4.4-31 Instrumentation Application 4.4-31 Incore Instrumentation 4.4-31 Overtemperature and Overpower ∆T Instrumentation 4.4-32 Instrumentation to Limit Maximum Power Output 4.4-32 Table of Contents 1-lxi WATTS BAR WBNP-76 TABLE OF CONTENTS Section 5.0 5.1 5.1.1 5.1.2 5.1.3 5.2 Title REACTOR COOLANT SYSTEM SUMMARY DESCRIPTION Schematic Flow Diagram Piping and Instrumentation Diagrams Elevation Drawing INTEGRITY OF REACTOR COOLANT PRESSURE BOUNDARY Page 5.1-1 5.1-6 5.1-6 5.1-6 5.2-1 5.2.1 Design of Reactor Coolant Pressure Boundary Components 5.2-2 5.2.1.1 Performance Objectives 5.2-2 5.2.1.2 Design Parameters 5.2-3 5.2.1.3 Compliance with 10 CFR Part 50, Section 50.55a 5.2-4 5.2.1.4 Applicable Code Cases 5.2-4 5.2.1.5 Design Transients 5.2-4 5.2.1.6 Identification of Active Pumps and Valves 5.2-14 5.2.1.7 Design of Active Pumps and Valves 5.2-14 5.2.1.8 Inadvertent Operation of Valves 5.2-14 5.2.1.9 Stress and Pressure Limits 5.2-14 5.2.1.10 Stress Analysis for Structural Adequacy 5.2-14 5.2.1.10.1 Loading Conditions 5.2-15 5.2.1.10.2 Analysis of the Reactor Coolant Loop and Supports 5.2-15 5.2.1.10.3 Reactor Coolant Loop Models and Methods 5.2-16 5.2.1.10.4 Primary Component Supports Models and Methods 5.2-23 5.2.1.10.5 Analysis of Primary Components 5.2-24 5.2.1.10.6 Reactor Vessel Support LOCA Loads 5.2-26 Introduction 26 Interface Information 27 Loading Conditions 27 Reactor Vessel and Internals Modeling 28 A detailed discussion on Reactor Pressure Vessel (RPV) / Internals modeling and the RPV system dynamic analysis under faulted condition is provided in Section 3.9.2.5.Analytical Methods 28 Results of the Analysis 28 5.2.1.10.7 Stress Criteria for Class 1 Components and Component Supports 5.2-30 5.2.1.10.8 Computer Program Descriptions 5.2-32 5.2.1.10.9 LOCA Evaluation of the Control Rod Drive Mechanisms 5.2-32 5.2.1.11 Analysis Methods For Faulted Conditions 5.2-32 5.2.1.12 Protection Against Environmental Factors 5.2-32 5.2.1.13 Compliance With Code Requirements 5.2-33 5.2.1.14 Stress Analysis For Faulted Conditions Loadings 5.2-33 5.2.1.15 Stress Levels in Category I Systems 5.2-33 5.2.1.16 Analytical Methods for Stresses in Pumps and Valves 5.2-33 5.2.1.17 Analytical Methods for Evaluation of Pump Speed and Bearing Integrity 5.233 5.2.1.18 Operation of Active Valves Under Transient Loadings 5.2-33 1-lxii Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section Title Page 5.2.2 Overpressurization Protection 5.2-33 5.2.2.1 Location of Pressure Relief Devices 5.2-33 5.2.2.2 Mounting of Pressure Relief Devices 5.2-33 5.2.2.3 Report on Overpressure Protection 5.2-34 5.2.2.4 RCS Pressure Control During Low Temperature Operation 5.2-35 5.2.2.4.1 System Operation 5.2-35 5.2.2.4.2 Pressure Transient Analyses 5.2-36 Evaluation of Low Temperature Overpressure Transients 36 Operating Basis Earthquake Evaluation 36 5.2.2.4.3 Administrative Procedures 5.2-37 5.2.3 General Material Considerations 5.2-39 5.2.3.1 Material Specifications 5.2-39 5.2.3.2 Compatibility With Reactor Coolant 5.2-40 5.2.3.3 Compatibility With External Insulation and Environmental Atmosphere 5.2-40 5.2.3.4 Chemistry of Reactor Coolant 5.2-40 5.2.4 Fracture Toughness 5.2-42 5.2.4.1 Compliance With Code Requirements 5.2-42 5.2.4.2 Acceptable Fracture Energy Levels 5.2-42 5.2.4.3 Operating Limitations During Startup and Shutdown 5.2-42 5.2.5 Austenitic Stainless Steel 5.2-45 5.2.5.1 Cleaning and Contamination Protection Procedures 5.2-45 5.2.5.2 Solution Heat Treatment Requirements 5.2-46 5.2.5.3 Material Inspection Program 5.2-46 5.2.5.4 Unstablilized Austenitic Stainless Steels 5.2-46 5.2.5.5 Prevention of Intergranular Attack of Unstabilized Austenitic Stainless Steels 5.2-47 5.2.5.6 Retesting Unstabilized Austenitic Stainless Steel Exposed to Sensitization Temperatures 5.2-49 5.2.5.7 Control of Delta Ferrite in Austenitic Stainless Steel Welding 5.2-50 5.2.6 Pump Flywheels 5.2-52 5.2.6.1 Design Basis 5.2-52 5.2.6.2 Fabrication and Inspection 5.2-52 5.2.6.3 Acceptance Criteria and Compliance with Regulatory Guide 1.14 5.2-52 5.2.7 RCPB Leakage Detection Systems 5.2-53 5.2.7.1 Collection of Identified Leakage 5.2-53 5.2.7.2 Unidentified Leakage to Containment 5.2-54 5.2.7.3 Methods of Detection 5.2-54 5.2.7.3.1 Containment Air Particulate Monitors and Containment Radioactive 5.255 5.2.7.3.2 Reactor Building Floor and Equipment Drain (RBF&ED) Sump and the RBF&ED Pocket Sump Level Monitors 5.2-56 5.2.7.3.3 Humidity Monitors 5.2-57 5.2.7.3.4 Temperature Monitors 5.2-57 5.2.7.4 Intersystem Leakage Detection 5.2-57 Table of Contents 1-lxiii WATTS BAR WBNP-76 TABLE OF CONTENTS Section 5.2.7.4.1 5.2.7.4.2 5.2.7.4.3 5.2.7.4.4 5.2.7.5 5.2.7.5.1 5.2.7.5.2 5.2.7.5.3 5.2.7.5.4 5.2.7.6 5.2.7.7 5.2.7.7.1 5.2.7.7.2 5.2.7.7.3 5.2.7.7.4 5.2.7.8 5.2.8 5.2.8.1 5.2.8.2 5.2.8.3 5.2.8.4 5.2.8.5 5.2.8.6 5.2.8.7 5.3 5.3.1 5.3.2 5.3.3 5.3.4 5.3.5 5.3.6 5.3.7 5.4 5.4.1 5.4.1.1 5.4.1.2 5.4.1.3 5.4.1.4 5.4.2 5.4.2.1 1-lxiv Title Page ECCS Intersystem Leakage 5.2-57 Condenser Vacuum Pump Air Exhaust Monitors 5.2-59 Component Cooling System Liquid Effluent Monitors 5.2-60 Steam Generator Blowdown Liquid Effluent Monitor 5.2-61 Unidentified Leakage System Sensitivity and Response Time 5.2-61 Containment Air Particulate Monitors and Containment Radioactive Gas Monitors 5.2-61 Reactor Building Floor and Equipment Drain (RBF&ED) Pocket Sump 5.2-62 Humidity Monitors 5.2-62 Temperature Monitors 5.2-63 Seismic Capability 5.2-63 Indicators and Alarms 5.2-63 Radiation Monitors 5.2-63 RBF&ED Pocket Sump Level Monitors 5.2-63 Humidity Monitors 5.2-64 Temperature Monitors 5.2-64 Testing 5.2-64 Inservice Inspection of ASME Code Class 1 Components 5.2-64 Components Subject to Examination and/or Test 5.2-64 Accessibility 5.2-64 Examination Techniques and Procedures 5.2-66 Inspection Intervals 5.2-66 Examination Categories and Requirements 5.2-66 Evaluation of Examination Results 5.2-66 System Pressure Tests 5.2-66 THERMAL HYDRAULIC SYSTEM DESIGN Analytical Methods and Data Operating Restrictions On Pumps Power-Flow Operating Map (BWR) Temperature-Power Operating Map Load Following Characteristics Transient Effects Thermal and Hydraulic Characteristics Summary Table REACTOR VESSEL AND APPURTENANCES Design Bases Codes and Specifications Design Transients Protection Against Non-Ductile Failure Inspection Description Fabrication Processes 5.3-1 5.3-1 5.3-1 5.3-1 5.3-1 5.3-1 5.3-1 5.3-1 5.4-1 5.4-1 5.4-1 5.4-1 5.4-2 5.4-2 5.4-2 5.4-3 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 5.4.2.2 5.4.3 5.4.3.1 5.4.3.2 5.4.3.3 5.4.3.4 5.4.3.5 5.4.3.6 5.4.3.6.1 Title Page Protection of Closure Studs 5.4-4 Evaluation 5.4-4 Steady State Stresses 5.4-4 Fatigue Analysis Based on Transient Stresses 5.4-4 Thermal Stresses Due to Gamma Heating 5.4-4 Thermal Stresses Due to Loss of Coolant Accident 5.4-4 Heatup and Cooldown 5.4-4 Irradiation Surveillance Programs 5.4-4 Measurement of Integrated Fast Neutron (E>l.0MeV) Flux at the Irradiation Samples 5.4-6 Determination of Sensor Reaction Rates 7 Corrections to Reaction Rate Data 8 Least Squares Adjustment Procedure 9 5.4.3.6.2 Calculation of Integrated Fast Neutron (E > 1.0 MeV) Flux at the Irradiation Samples 5.4-12 Reference Forward Calculation 13 Cycle Specific Adjoint Calculations 14 5.4.3.7 Capability for Annealing the Reactor Vessel 5.4-14 5.4.4 Tests and Inspections 5.4-15 5.4.4.1 Ultrasonic Examinations 5.4-15 5.4.4.2 Penetrant Examinations 5.4-15 5.4.4.3 Magnetic Particle Examination 5.4-15 5.4.4.4 Inservice Inspection 5.4-16 5.5 COMPONENT AND SUBSYSTEM DESIGN 5.5.1 5.5.1.1 5.5.1.2 5.5.1.3 5.5.1.3.1 5.5.1.3.2 5.5.1.3.3 5.5.1.3.4 5.5.1.3.5 5.5.1.3.6 5.5.1.3.7 5.5.1.3.8 5.5.1.3.9 5.5.1.3.10 5.5.1.3.11 5.5.1.3.12 5.5.1.3.13 5.5.1.3.14 5.5.1.3.15 Reactor Coolant Pumps Design Bases Design Description Design Evaluation Pump Performance Coastdown Capability Flywheel Integrity Bearing Integrity Locked Rotor Critical Speed Missile Generation Pump Cavitation Pump Overspeed Considerations Anti-Reverse Rotation Device Shaft Seal Leakage Seal Discharge Piping Spool Piece Motor Air Coolers Discharge Nozzle Weir Table of Contents 5.5-1 5.5-1 5.5-1 5.5-1 5.5-3 5.5-3 5.5-4 5.5-4 5.5-4 5.5-5 5.5-5 5.5-5 5.5-5 5.5-6 5.5-6 5.5-6 5.5-7 5.5-7 5.5-7 5.5-7 1-lxv WATTS BAR WBNP-76 TABLE OF CONTENTS Section 5.5.1.4 5.5.2 5.5.2.1 5.5.2.2 5.5.2.3 5.5.2.3.1 5.5.2.3.2 5.5.2.3.3 5.5.2.3.4 5.5.2.3.5 5.5.2.3.6 5.5.2.4 5.5.3 5.5.3.1 5.5.3.2 5.5.3.3 5.5.3.3.1 5.5.3.3.2 5.5.3.3.3 5.5.3.4 5.5.4 5.5.4.1 5.5.4.2 5.5.4.3 5.5.4.4 5.5.5 5.5.6 5.5.6.1 5.5.6.2 5.5.6.2.1 5.5.6.2.2 5.5.6.3 5.5.6.3.1 5.5.6.3.2 5.5.6.3.3 5.5.6.3.4 5.5.7 5.5.7.1 5.5.7.2 5.5.7.2.1 5.5.7.2.2 5.5.7.3 5.5.7.3.1 5.5.7.3.2 1-lxvi Title Tests and Inspections Steam Generators Design Basis Design Description Design Evaluation Forced Convection Natural Circulation Flow Tube and Tubesheet Stress Analyses Corrosion Compatibility of Steam Generator Tubing with Primary and Flow Induced Vibration Tests and Inspections Reactor Coolant Piping Design Bases Design Description Design Evaluation Material Corrosion/Erosion Evaluation Sensitized Stainless Steel Contaminant Control Tests and Inspections Steam Outlet Flow Restrictor (Steam Generator) Design Basis Description Evaluation Tests and Inspections Main Steam Line Isolation System Reactor Vessel Head Vent System Design Basis System Description Component Description System Operation Design Evaluation System Availability and Reliability Leakage Provisions Pipe Rupture Provisions Radiological Considerations Residual Heat Removal System Design Bases System Description Component Description System Operation Design Evaluation System Availability and Reliability Leakage Provisions and Activity Release Page 5.5-7 5.5-8 5.5-8 5.5-8 5.5-9 5.5-9 5.5-9 5.5-10 5.5-10 5.5-11 5.5-12 5.5-14 5.5-15 5.5-15 5.5-16 5.5-18 5.5-18 5.5-19 5.5-19 5.5-19 5.5-20 5.5-20 5.5-20 5.5-20 5.5-20 5.5-20 5.5-20 5.5-20 5.5-21 5.5-22 5.5-22 5.5-22 5.5-22 5.5-23 5.5-23 5.5-23 5.5-23 5.5-23 5.5-24 5.5-25 5.5-27 5.5-29 5.5-29 5.5-29 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 5.5.7.3.3 5.5.7.3.4 5.5.7.3.5 5.5.7.3.6 5.5.7.4 5.5.8 5.5.9 5.5.10 5.5.10.1 5.5.10.1.1 5.5.10.1.2 5.5.10.2 5.5.10.2.1 5.5.10.2.2 5.5.10.3 5.5.10.3.1 5.5.10.3.2 5.5.10.3.3 5.5.10.3.4 5.5.10.3.5 5.5.10.4 5.5.11 5.5.11.1 5.5.11.2 5.5.11.2.1 5.5.11.2.2 5.5.11.2.3 5.5.11.3 5.5.12 5.5.12.1 5.5.12.2 5.5.12.3 5.5.12.4 5.5.13 5.5.13.1 5.5.13.2 5.5.13.3 5.5.13.4 5.5.14 5.5.14.1 5.5.14.2 5.5.14.3 5.5.14.4 Title Page Overpressurization Protection 5.5-30 Prevention of Exposure of the Residual Heat Removal System to Normal Reactor Coolant System Operating Pressure 5.5-30 Shared Function 5.5-31 Radiological Consideration 5.5-31 Tests and Inspections 5.5-31 Reactor Coolant Cleanup System 5.5-32 Main Steam Line and Feedwater Piping 5.5-32 Pressurizer 5.5-32 Design Bases 5.5-32 Pressurizer Surge Line 5.5-32 Pressurizer Volume 5.5-32 Design Description 5.5-33 Pressurizer Surge Line 5.5-33 Pressurizer Vessel 5.5-33 Design Evaluation 5.5-34 System Pressure 5.5-34 Pressurizer Performance 5.5-35 Pressure Setpoints 5.5-35 Pressurizer Spray 5.5-35 Pressurizer Design Analysis 5.5-36 Tests and Inspections 5.5-36 Pressurizer Relief Tank 5.5-37 Design Bases 5.5-37 Design Description 5.5-37 Pressurizer Relief Tank Pressure 5.5-38 Pressurizer Relief Tank Level 5.5-38 Pressurizer Relief Tank Water Temperature 5.5-38 Design Evaluation 5.5-38 Valves 5.5-39 Design Bases 5.5-39 Design Description 5.5-39 Design Evaluation 5.5-40 Tests and Inspections 5.5-40 Safety and Relief Valves 5.5-40 Design Bases 5.5-40 Design Description 5.5-41 Design Evaluation 5.5-41 Tests and Inspections 5.5-41 Component Supports 5.5-41 Design Bases 5.5-41 Description 5.5-42 Evaluation 5.5-43 Tests and Inspections 5.5-44 Table of Contents 1-lxvii WATTS BAR WBNP-76 TABLE OF CONTENTS Section 5.6 INSTRUMENTATION APPLICATION 6.0 6.1 Title Page 5.6-1 ENGINEERED SAFETY FEATURES ENGINEERED SAFETY FEATURE MATERIALS 6.1-1 6.1.1 Metallic Materials 6.1-1 6.1.1.1 Materials Selection and Fabrication 6.1-1 6.1.1.2 Composition, Compatibility, and Stability of Containment and Core Spray Coolants 6.1-2 6.1.2 Organic Materials 6.1-3 6.1.2.1 Electrical Insulation 6.1-3 6.1.2.2 Surface Coatings 6.1-3 6.1.2.3 Ice Condenser Equipment 6.1-4 6.1.2.4 Identification Tags 6.1-4 6.1.2.5 Valves and Instruments within Containment 6.1-4 6.1.2.6 Heating and Ventilating Door Seals 6.1-5 6.1.2.7 Miscellaneous 6.1-5 6.1.3 Post-Accident Chemistry 6.1-5 6.1.3.1 Boric Acid, H3BO3 6.1-5 6.1.3.2 Lithium Hydroxide 6.1-5 6.1.3.3 Sodium Tetraborate 6.1-5 6.1.3.4 Final Post-Accident Chemistry 6.1-6 6.1.4 Degree of Compliance with Regulatory Guide 1.54 for Paints and Coatings Inside Containment 6.1-6 6.2 CONTAINMENT SYSTEMS 6.2.1 6.2.1.1 6.2.1.1.1 6.2.1.2 6.2.1.3 6.2.1.3.1 6.2.1.3.2 6.2.1.3.3 6.2.1.3.4 6.2.1.3.5 6.2.1.3.6 6.2.1.3.7 6.2.1.3.8 6.2.1.3.9 6.2.1.3.10 6.2.1.3.11 6.2.2 1-lxviii Containment Functional Design Design Bases Primary Containment Design Bases Primary Containment System Design Design Evaluation Primary Containment Evaluation General Description of Containment Pressure Analysis Long-Term Containment Pressure Analysis Short-Term Blowdown Analysis Effect of Steam Bypass Mass and Energy Release Data Accident Chronology Mass and Energy Balance Tables Containment Pressure Differentials Steam Line Break Inside Containment Maximum Reverse Pressure Differentials CONTAINMENT HEAT REMOVAL SYSTEMS 6.2-1 6.2-1 6.2-1 6.2-1 6.2-3 6.2-3 6.2-3 6.2-4 6.2-4 6.2-9 6.2-17 6.2-21 6.2-30 6.2-30 6.2-32 6.2-35 6.2-40 6.2-1 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 6.2.2.1 6.2.2.2 6.2.2.3 6.2.2.4 6.2.2.5 6.2.2.6 6.2.3 Design Bases Secondary Containment Enclosures Emergency Gas Treatment System (EGTS) Auxiliary Building Gas Treatment System (ABGTS) System Design Secondary Containment Enclosures Emergency Gas Treatment System (EGTS) Auxiliary Building Gas Treatment System (ABGTS) Design Evaluation Secondary Containment Enclosures Emergency Gas Treatment System (EGTS) Auxiliary Building Gas Treatment System (ABGTS) Tritium Production Core Evaluation (Unit 1 Only) Test and Inspections Emergency Gas Treatment System (EGTS) Auxiliary Building Gas Treatment System (ABGTS) Instrumentation Requirements Emergency Gas Treatment System (EGTS) Auxiliary Building Gas Treatment System (ABGTS) Containment Isolation Systems 6.2.4.1 6.2.4.2 6.2.4.2.1 6.2.4.2.2 6.2.4.2.3 6.2.4.3 6.2.4.3.1 6.2.4.4 6.2.5 Design Bases System Design Design Evaluation Testing and Inspections Instrumentation Requirements Materials Secondary Containment Functional Design 6.2.3.1 6.2.3.1.1 6.2.3.1.2 6.2.3.1.3 6.2.3.2 6.2.3.2.1 6.2.3.2.2 6.2.3.2.3 6.2.3.3 6.2.3.3.1 6.2.3.3.2 6.2.3.3.3 6.2.3.3.4 6.2.3.4 6.2.3.4.1 6.2.3.4.2 6.2.3.5 6.2.3.5.1 6.2.3.5.2 6.2.4 Title Page 6.2-1 6.2-3 6.2-5 6.2-8 6.2-8 6.2-9 6.2-1 6.2-1 6.2-1 6.2-1 6.2-2 6.2-2 6.2-2 6.2-6 6.2-10 6.2-12 6.2-12 6.2-14 6.2-19 6.2-22 6.2-22 6.2-22 6.2-22 6.2-23 6.2-23 6.2-23 6.2-1 Design Bases System Design Design Requirements Containment Isolation Operation Penetration Design Design Evaluation Possible Leakage Paths Tests and Inspections 6.2-1 6.2-4 6.2-5 6.2-6 6.2-6 6.2-12 6.2-14 6.2-17 Combustible Gas Control in Containment 6.2-1 6.2.5.1 The containment combustible gas control system is designed to control the concentration of hydrogen that may be released into the containment following a beyond-design-basis accident to ensure that containment structural integrity is maintained. The combustible gas control system of the containment air return system, the hydrogen analyzer system (HAS) and the hydrogen mitigation system (HMS) which conform to 10CFR50.44 requirements.Design Bases 6.2-1 Table of Contents 1-lxix WATTS BAR WBNP-76 TABLE OF CONTENTS Section 6.2.5.2 6.2.5.3 6.2.5.4 6.2.5.5 6.2.6 System Design Design Evaluation Testing and Inspections Instrumentation Application 6.2-1 Containment Integrated Leak Rate Test Containment Penetration Leakage Rate Test Scheduling and Reporting of Periodic Tests 6.2-1 6.2-2 6.2-6 EMERGENCY CORE COOLING SYSTEM 6.3.1 6.3.1.1 6.3.1.2 6.3.1.3 6.3.1.4 6.3.2 6.3.2.1 6.3.2.2 6.3.2.3 6.3.2.4 6.3.2.5 6.3.2.6 6.3.2.7 6.3.2.8 6.3.2.9 6.3.2.10 6.3.2.11 6.3.2.11.1 6.3.2.11.2 6.3.2.11.3 6.3.2.12 6.3.2.13 6.3.2.14 6.3.2.15 6.3.2.16 6.3.2.17 6.3.2.18 6.3.2.19 6.3.3 6.3.3.1 6.3.3.2 6.3.3.3 6.3.3.4 1-lxx Page 6.2-2 6.2-4 6.2-5 6.2-5 Containment Leakage Testing 6.2.6.1 6.2.6.2 6.2.6.3 6.3 Title 6.3-1 Design Bases Range of Coolant Ruptures and Leaks Fission Product Decay Heat Reactivity Required for Cold Shutdown Capability To Meet Functional Requirements System Design Schematic Piping and Instrumentation Diagrams Equipment and Component Design Applicable Codes and Classifications Materials Specifications and Compatibility Design Pressures and Temperatures Coolant Quantity Pump Characteristics Heat Exchanger Characteristics ECCS Flow Diagrams Relief Valves System Reliability Definitions Active and Passive Failure Criteria Subsequent Leakage from Components in Safeguards Systems Protection Provisions Provisions for Performance Testing Net Positive Suction Head Control of Motor-Operated Isolation Valves Motor-Operated Valves and Controls Manual Actions Process Instrumentation Materials Performance Evaluation Evaluation Model ECCS Performance Alternate Analysis Methods Fuel Rod Perforations 6.3-1 6.3-1 6.3-2 6.3-2 6.3-2 6.3-2 6.3-2 6.3-2 6.3-15 6.3-15 6.3-16 6.3-16 6.3-16 6.3-16 6.3-17 6.3-17 6.3-17 6.3-17 6.3-18 6.3-19 6.3-21 6.3-22 6.3-22 6.3-22 6.3-23 6.3-23 6.3-23 6.3-23 6.3-23 6.3-23 6.3-24 6.3-24 6.3-25 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section Title 6.3.3.5 Effects of ECCS Operation on the Core 6.3.3.6 Use of Dual Function Components 6.3.3.7 Lag Times 6.3.3.8 Thermal Shock Considerations 6.3.3.9 Limits on System Parameters 6.3.3.10 Use of RHR Spray 6.3.4 Tests and Inspections 6.3.4.1 Preoperational Tests (Historical Information - Not Updated) 6.3.4.2 Component Testing 6.3.4.3 Periodic System Testing 6.3.5 Instrumentation Application 6.3.5.1 Temperature Indication 6.3.5.2 Pressure Indication 6.3.5.3 Flow Indication 6.3.5.4 Level Indication 6.3.5.5 Valve Position Indication 6.4 HABITABILITY SYSTEMS 6.4.1 6.4.2 6.4.2.1 6.4.2.2 6.4.2.3 6.4.2.4 6.4.2.4.1 6.4.2.4.2 6.4.2.5 6.4.2.6 6.4.2.7 6.4.3 6.4.4 6.4.4.1 6.4.4.2 6.4.5 6.4.6 6.5 Design Bases System Design Definition of MCRHS Area Ventilation System Design Leak Tightness Interaction with Other Zones and Pressure-Containing Equipment Other Ventilation Zones Pressure-Containing Equipment Shielding Design Control Room Emergency Provisions MCRHS Fire Protection System Operational Procedures Design Evaluations Radiological Protection Toxic Gas Protection Testing and Inspection Instrumentation Requirements FISSION PRODUCT REMOVAL AND CONTROL SYSTEMS 6.5.1 6.5.1.1 6.5.1.1.1 6.5.1.1.2 6.5.1.1.3 6.5.1.1.4 Engineered Safety Feature (ESF) Filter Systems Design Bases Emergency Gas Treatment System Air Cleanup Units Auxiliary Building Gas Treatment System Air Cleanup Units Reactor Building Purge Air System Air Cleanup Units Main Control Room Emergency Air Cleanup Units Table of Contents Page 6.3-25 6.3-25 6.3-27 6.3-27 6.3-27 6.3-27 6.3-28 6.3-28 6.3-29 6.3-29 6.3-30 6.3-30 6.3-30 6.3-30 6.3-31 6.3-32 6.4-1 6.4-1 6.4-1 6.4-1 6.4-2 6.4-2 6.4-3 6.4-3 6.4-4 6.4-4 6.4-4 6.4-4 6.4-5 6.4-7 6.4-7 6.4-7 6.4-9 6.4-9 6.5-1 6.5-1 6.5-1 6.5-1 6.5-1 6.5-1 6.5-2 1-lxxi WATTS BAR WBNP-76 TABLE OF CONTENTS Section 6.5.1.2 6.5.1.2.1 6.5.1.2.2 6.5.1.2.3 6.5.1.2.4 6.5.1.3 6.5.1.3.1 6.5.1.3.2 6.5.1.3.3 6.5.1.3.4 6.5.1.4 6.5.1.4.1 6.5.1.4.2 6.5.1.4.3 6.5.1.4.4 6.5.1.5 6.5.1.5.1 6.5.1.5.2 6.5.1.5.3 6.5.1.5.4 6.5.1.6 6.5.1.6.1 6.5.1.6.2 6.5.1.6.3 6.5.1.6.4 6.5.2 6.5.2.1 6.5.2.2 6.5.2.3 6.5.2.4 6.5.2.5 6.5.2.6 6.5.3 6.5.3.1 6.5.3.2 6.5.4 6.5.4.1 6.5.4.2 6.5.4.2.1 6.5.4.2.2 6.5.4.3 6.5-11 6.5.4.4 6.5.4.4.1 1-lxxii Title Page System Design 6.5-2 Emergency Gas Treatment System Air Cleanup Units 6.5-2 Auxiliary Building Gas Treatment System Air Cleanup Units 6.5-3 Reactor Building Purge System Air Cleanup Units 6.5-4 Main Control Room Emergency Air Cleanup Units 6.5-4 Design Evaluation 6.5-5 Emergency Gas Treatment System Air Cleanup Units 6.5-5 Auxiliary Building Gas Treatment System Air Cleanup Units 6.5-5 Reactor Building Purge System Air Cleanup Units 6.5-5 Main Control Room Emergency Air Cleanup Units 6.5-5 Tests and Inspections 6.5-5 Emergency Gas Treatment System Air Cleanup Units 6.5-5 Auxiliary Building Gas Treatment System Air Cleanup Units 6.5-6 Reactor Building Purge System Air Cleanup Units 6.5-6 Main Control Room Emergency Air Cleanup Units 6.5-6 Instrumentation Requirements 6.5-6 Emergency Gas Treatment System Air Cleanup Units 6.5-6 Auxiliary Building Gas Treatment System Air Cleanup Units 6.5-7 Reactor Building Purge System Air Cleanup Units 6.5-7 Main Control Room Emergency Air Cleanup Units 6.5-7 Materials 6.5-7 Emergency Gas Treatment System Air Cleanup Units 6.5-7 Auxiliary Building Gas Treatment System Air Cleanup Units 6.5-7 Reactor Building Purge System Air Cleanup Units 6.5-7 Main Control Room Emergency Air Cleanup Units 6.5-8 Containment Spray System for Fission Product Cleanup 6.5-8 Design Bases 6.5-8 System Design 6.5-8 Design Evaluation 6.5-8 Tests and Inspections 6.5-8 Instrumentation Requirements 6.5-8 Materials 6.5-8 Fission Product Control Systems 6.5-8 Primary Containment 6.5-8 Secondary Containments 6.5-10 Ice Condenser as a Fission Product Cleanup System 6.5-10 Ice Condenser Design Basis (Fission Product Cleanup Function) 6.5-11 Ice Condenser System Design 6.5-11 Component Description 6.5-11 System Operation 6.5-11 Ice Condenser System Design Evaluation (Fission Product Cleanup Function) Condenser System Tests and Inspections Ice Condenser System Instrumentation 6.5-13 6.5-14 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 6.5.4.5 6.6 6.6.1 6.6.2 6.6.3 6.6.4 6.6.5 6.6.6 6.6.7 6.6.8 6.7 6.7.1 6.7.1.1 6.7.1.2 6.7.1.3 6.7.2 6.7.2.1 6.7.2.2 6.7.2.3 6.7.3 6.7.3.1 6.7.3.2 6.7.3.3 6.7.4 6.7.4.1 6.7.4.2 6.7.4.3 6.7.5 6.7.5.1 6.7.5.2 6.7.5.3 6.7.6 6.7.6.1 6.7.6.2 6.7.6.3 6.7.7 6.7.7.1 6.7.7.2 6.7.7.3 6.7.8 6.7.8.1 6.7.8.2 Title Ice Condenser Materials INSERVICE INSPECTION OF ASME CODE CLASS 2 AND 3 COMPONENTS Components Subject to Examination and/or Test Accessibility Examination Techniques and Procedures Inspection Intervals Examination Categories and Requirements Evaluation of Examination Results System Pressure Tests Protection against Postulated Piping Failures ICE CONDENSER SYSTEM Floor Structure and Cooling System Design Bases System Design Design Evaluation Wall Panels Design Basis System Design Design Evaluation Lattice Frames and Support Columns Design Basis System Design Design Evaluation Ice Baskets Design Basis System Design Design Evaluation Crane and Rail Assembly Design Basis System Design Design Evaluation Refrigeration System Design Basis System Design Design Evaluation Air Handling Units Design Basis System Design Design Evaluation Lower Inlet Doors Design Basis System Design Table of Contents Page 6.5-14 6.6-1 6.6-1 6.6-1 6.6-1 6.6-1 6.6-1 6.6-1 6.6-2 6.6-2 6.7-1 6.7-1 6.7-1 6.7-4 6.7-5 6.7-8 6.7-8 6.7-8 6.7-9 6.7-9 6.7-9 6.7-12 6.7-13 6.7-14 6.7-14 6.7-16 6.7-18 6.7-20 6.7-20 6.7-21 6.7-21 6.7-22 6.7-22 6.7-23 6.7-26 6.7-30 6.7-30 6.7-31 6.7-31 6.7-32 6.7-32 6.7-35 1-lxxiii WATTS BAR WBNP-76 TABLE OF CONTENTS Section 6.7.8.3 6.7.9 6.7.9.1 6.7.9.2 6.7.9.3 6.7.10 6.7.10.1 6.7.10.2 6.7.11 6.7.11.1 6.7.11.2 6.7.11.3 6.7.12 6.7.12.1 6.7.12.2 6.7.12.3 6.7.13 6.7.13.1 6.7.13.2 6.7.13.3 6.7.14 6.7.14.1 6.7.14.2 6.7.14.3 6.7.15 6.7.15.1 6.7.15.2 6.7.15.3 6.7.16 6.7.16.1 6.7.16.2 6.7.16.3 6.7.16.4 6.7.17 6.7.17.1 6.7.17.2 6.7.17.3 6.7.18 6.7.18.1 6.7.18.2 6.7.18.3 6.7.18.4 6.7.19 1-lxxiv Title Design Evaluation Lower Support Structure Design Basis System Design Design Evaluation Top Deck and Doors Design Basis System Design Intermediate Deck and Doors Design Basis System Design Design Evaluation Air Distribution Ducts Design Basis System Design Design Evaluation Equipment Access Door Design Basis System Design Design Evaluation Ice Technology, Ice Performance, and Ice Chemistry Design Basis System Design Design Evaluation Ice Condenser Instrumentation Design Basis Design Description Design Evaluation Ice Condenser Structural Design Applicable Codes, Standards, and Specifications Loads and Loading Combinations Design and Analytical Procedures Structural Acceptance Criteria Seismic Analysis Seismic Analysis Methods Seismic Load Development Vertical Seismic Response Materials Design Criteria Environmental Effects Compliance with 10 CFR 50, Appendix B Materials Specifications Tests and Inspections Page 6.7-37 6.7-38 6.7-38 6.7-39 6.7-41 6.7-50 6.7-50 6.7-52 6.7-55 6.7-55 6.7-56 6.7-57 6.7-58 6.7-58 6.7-59 6.7-59 6.7-59 6.7-59 6.7-60 6.7-60 6.7-60 6.7-60 6.7-61 6.7-61 6.7-66 6.7-66 6.7-67 6.7-69 6.7-69 6.7-69 6.7-69 6.7-70 6.7-70 6.7-71 6.7-71 6.7-74 6.7-75 6.7-75 6.7-75 6.7-77 6.7-78 6.7-79 6.7-80 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 6.8 Title AIR RETURN FANS 6.8.1 6.8.2 6.8.3 6.8.4 6.8.5 Design Bases System Description Safety Evaluation Inspection and Testing Instrumentation Requirements 7.0 7.1 6.8-1 6.8-1 6.8-1 6.8-2 6.8-3 6.8-3 INSTRUMENTATION AND CONTROLS INTRODUCTION 7.1.1 7.1.1.1 7.1.1.1.1 7.1.1.1.2 7.1.1.1.3 7.1.1.1.4 7.1.1.2 7.1.1.3 7.1.1.4 7.1.2 7.1.2.1 7.1.2.1.1 7.1.2.1.2 7.1.2.1.3 7.1.2.1.4 7.1.2.1.5 7.1.2.1.6 7.1.2.1.7 7.1.2.1.8 7.1.2.1.9 7.1.2.2 7.1.2.2.1 7.1.2.2.2 7.1.2.2.3 7.1.2.3 7.1.2.4 7.2 Page Identification of Safety-Related Systems Safety-Related Systems Reactor Trip System Engineered Safety Features Actuation System Vital Instrumentation and Control Power Supply System Auxiliary Control Air System Safety-Related Display Instrumentation Instrumentation and Control System Designers Plant Comparison Identification of Safety Criteria Design Bases Reactor Trip System Engineered Safety Features Actuation System (ESFAS) Vital Control Power Supply System Standby Power Interlocks Bypasses Equipment Protection Diversity Trip Setpoints Independence of Redundant Safety-Related Systems General Specific Systems Fire Protection Physical Identification of Safety-Related Equipment Process Signal Isolation Relays REACTOR TRIP SYSTEM 7.2.1 7.2.1.1 7.2.1.1.1 7.2.1.1.2 7.2.1.1.3 7.2.1.1.4 7.1-1 7.1-4 7.1-4 7.1-4 7.1-4 7.1-4 7.1-4 7.1-5 7.1-5 7.1-5 7.1-5 7.1-8 7.1-8 7.1-9 7.1-10 7.1-10 7.1-10 7.1-10 7.1-10 7.1-11 7.1-11 7.1-11 7.1-12 7.1-12 7.1-14 7.1-14 7.1-16 7.2-1 Description 7.2-1 System Description 7.2-1 Functional Performance Requirements 7.2-2 Reactor Trips 7.2-2 Reactor Trip System Interlocks 7.2-10 Reactor Coolant Temperature Sensor Arrangement and Calculational Table of Contents 1-lxxv WATTS BAR WBNP-76 TABLE OF CONTENTS Section 7.2.1.1.5 7.2.1.1.6 7.2.1.1.7 7.2.1.1.8 7.2.1.1.9 7.2.1.1.10 7.2.1.1.11 7.2.1.2 7.2.1.2.1 7.2.1.2.2 7.2.1.2.3 7.2.1.2.4 7.2.1.2.5 7.2.1.2.6 7.2.1.3 7.2.2 7.2.2.1 7.2.2.1.1 7.2.2.1.2 7.2.2.2 7.2.2.3 7.2.2.3.1 7.2.2.3.2 7.2.2.3.3 7.2.2.3.4 7.2.2.3.5 7.2.2.4 7.2.3 7.3 Methodology Pressurizer Water Level Reference Leg Arrangement Process Protection System Solid State Logic Protection System Isolation Devices Energy Supply and Environmental Variations Setpoints Seismic Design Design Bases Information Generating Station Conditions Generating Station Variables Spatially Dependent Variables Limits, Margins and Levels Abnormal Events Minimum Performance Requirements Final Systems Drawings Analyses Evaluation of Design Limits Trip Setpoint Discussion Reactor Coolant Flow Measurement Evaluation of Compliance to Applicable Codes and Standards Specific Control and Protection Interactions Neutron Flux Reactor Coolant Temperature Pressurizer Pressure Pressurizer Water Level Steam Generator Water Level Additional Postulated Accidents Tests and Inspections ENGINEERED SAFETY FEATURES ACTUATION SYSTEM 7.3.1 7.3.1.1 7.3.1.1.1 7.3.1.1.2 7.3.1.1.3 7.3.1.1.4 7.3.1.1.5 7.3.1.2 7.3.1.2.1 7.3.1.2.2 7.3.1.2.3 7.3.1.2.4 7.3.1.2.5 1-lxxvi Title Description System Description Function Initiation Process Protection Circuitry Logic Circuitry Final Actuation Circuitry Support Systems Design Bases Information Generating Station Conditions Generating Station Variables Spatially Dependent Variables Limits, Margin and Levels Abnormal Events Page 7.2-12 7.2-15 7.2-15 7.2-15 7.2-16 7.2-16 7.2-16 7.2-16 7.2-16 7.2-16 7.2-17 7.2-17 7.2-17 7.2-18 7.2-18 7.2-19 7.2-19 7.2-20 7.2-20 7.2-22 7.2-22 7.2-32 7.2-32 7.2-32 7.2-33 7.2-34 7.2-34 7.2-35 7.2-35 7.3-1 7.3-1 7.3-1 7.3-2 7.3-3 7.3-4 7.3-4 7.3-5 7.3-6 7.3-6 7.3-6 7.3-6 7.3-6 7.3-7 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 7.3.1.2.6 7.3.1.3 7.3.2 7.3.2.1 7.3.2.2 7.3.2.2.1 7.3.2.2.2 7.3.2.2.3 7.3.2.2.4 7.3.2.2.5 7.3.2.2.6 7.3.2.3 7.3.2.4 7.3.2.4.1 7.3.2.4.2 7.4 SYSTEMS REQUIRED FOR SAFE SHUTDOWN 7.4.1 7.4.1.1 7.4.1.2 7.4.1.2.1 7.4.1.2.2 7.4.1.2.3 7.4.1.2.4 7.4.1.3 7.4.2 7.5 Title Page Minimum Performance Requirements 7.3-7 Final System Drawings 7.3-8 Analysis 7.3-8 System Reliability/Availability and Failure Mode and Effect Analyses 7.3-8 Compliance With Standards and Design Criteria 7.3-8 Single Failure Criterion 7.3-9 Equipment Qualification 7.3-9 Channel Independence 7.3-9 Control and Protection System Interaction 7.3-9 Capability for Sensor Checks and Equipment Test and Calibration 7.3-9 Manual Initiation, Reset and Blocks of Protective Actions7.3-15 Further Considerations 7.3-15 Summary 7.3-16 Loss-of-Coolant Protection 7.3-16 Steam Line Break Protection 7.3-17 Description Monitoring Indicators Controls General Considerations Pumps and Fans Diesel Generators Valves and Heaters Equipment and Systems Available for Cold Shutdown Analysis INSTRUMENTATION SYSTEMS IMPORTANT TO SAFETY 7.5.1 7.5.1.1 7.5.1.2 7.5.1.3 7.5.1.4 7.5.1.4.1 7.5.1.4.2 7.5.1.4.3 7.5.1.4.4 7.5.1.4.5 7.5.1.5 7.5.1.5.1 7.5.1.5.2 7.5.1.6 7.5.1.7 7.5.1.7.1 Post Accident Monitoring Instrumentation (PAM) System Description Variable Types Variable Categories Design Bases Definitions Selection Criteria Design Criteria For Category 1 Variables Design Criteria For Category 2 Variables Design Criteria For Category 3 Variables General Requirements Display Requirements Identification Analysis Tests and Inspections Programs Table of Contents 7.4-1 7.4-1 7.4-1 7.4-2 7.4-2 7.4-3 7.4-4 7.4-4 7.4-5 7.4-5 7.5-1 7.5-1 7.5-1 7.5-1 7.5-2 7.5-3 7.5-3 7.5-3 7.5-4 7.5-5 7.5-5 7.5-6 7.5-6 7.5-6 7.5-7 7.5-7 7.5-7 1-lxxvii WATTS BAR WBNP-76 TABLE OF CONTENTS Section 7.5.1.7.2 7.5.1.7.3 7.5.2 7.5.2.1 7.5.2.1.1 7.5.2.1.2 7.5.2.2 7.5.2.3 7.5.2.3.1 7.5.2.3.2 7.6 7.6-1 120V ac and 125V dc Vital Plant Control Power System Residual Heat Removal Isolation Valves Description Analysis Refueling Interlocks Deleted by Amendment 63. Accumulator Motor-Operated Valves Spurious Actuation Protection for Motor Operated Valves Loose Part Monitoring System (LPMS) System Description Interlocks for RCS Pressure Control During Low Temperature Operation Analysis of Interlock Switchover From Injection to Recirculation Mode Following a LOCA CONTROL SYSTEMS 7.7.1 7.7.1.1 7.7.1.1.1 7.7.1.1.2 7.7.1.2 7.7.1.2.1 7.7.1.2.2 7.7.1.3 7.7.1.3.1 7.7.1.3.2 7.7.1.3.3 7.7.1.3.4 7.7.1.3.5 7.7.1.3.6 7.7.1.4 7.7.1.4.1 7.7.1.4.2 1-lxxviii Page 7.5-8 7.5-8 7.5-8 7.5-8 7.5-8 7.5-9 7.5-11 7.5-13 7.5-13 7.5-13 ALL OTHER SYSTEMS REQUIRED FOR SAFETY 7.6.1 7.6.2 7.6.2.1 7.6.2.2 7.6.3 7.6.4 7.6.5 7.6.6 7.6.7 7.6.8 7.6.8.1 7.6.9 7.7 Title Removal of Channels from Service Administrative Control Plant Computer System Safety Parameter Display System System Description Design Bases Bypassed and Inoperable Status Indication System (BISI) Technical Support Center and Nuclear Data Links Technical Support Center Communication Data Links 7.6-1 7.6-1 7.6-1 7.6-2 7.6-2 7.6-2 7.6-2 7.6-3 7.6-4 7.6-8 7.6-9 7.6-10 7.7-1 Description 7.7-1 Control Rod Drive Reactor Control System 7.7-1 Reactor Control Input Signals Unit 2 Only) 7.7-1 Rod Speed Control Program 7.7-3 Rod Control System 7.7-4 Rod Control System Function 7.7-4 Rod Control System Failures 7.7-5 Plant Control Signals for Monitoring and Indicating 7.7-10 Monitoring Functions Provided by the Nuclear Instrumentation System 7.7-10 Main Control Room Rod Position Indication 7.7-11 Control Bank Rod Insertion Monitoring 7.7-12 Rod Deviation Alarm 7.7-14 Rods At Bottom 7.7-14 Bypassed and Inoperable Status Indication System (BISI) 7.7-15 Plant Control System Interlocks 7.7-15 Rod Stops 7.7-15 Automatic Turbine Load Runback 7.7-15 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 7.7.1.5 7.7.1.6 7.7.1.7 7.7.1.8 7.7.1.8.1 7.7.1.8.2 7.7.1.8.3 7.7.1.9 7.7.1.9.1 7.7.1.9.2 7.7.1.9.3 7.7.1.10 7.7.1.11 7.7.1.12 7.7.2 7.7.2.1 7.7.2.2 7.7.2.3 7.7.2.4 7.7.2.5 7.7.2.6 Title Pressurizer Pressure Control Pressurizer Water Level Control Steam Generator Water Level Control Steam Dump Control Load Rejection Steam Dump Controller Plant Trip Steam Dump Controller Steam Header Pressure Controller Incore Instrumentation System Thermocouples Incore Instrumentation System Incore Instrumentation System Neutron Signal Processing Control Board Deleted Anticipated Transient Without Scram Mitigation System Actuation Analysis Separation of Protection and Control System Response Considerations of Reactivity Step Load Changes Without Steam Dump Loading and Unloading Load Rejection Furnished By Steam Dump System Turbine-Generator Trip With Reactor Trip 7A 7A.1 INSTRUMENTATION IDENTIFICATIONS AND SYMBOLS IDENTIFICATION SYSTEM 7A.1.1 7A.1.1.1 7A.1.1.2 7A.1.1.3 7A.1.1.4 7A.1.1.5 7A.1.1.6 7A.1.1.7 7A.1.2 7A.1.2.1 7A.1.2.1.1 7A.1.3 7A.1.3.1 7A.1.3.2 7A.2 7A.2.1 Page 7.7-16 7.7-16 7.7-17 7.7-17 7.7-18 7.7-18 7.7-19 7.7-19 7.7-19 7.7-20 7.7-20 7.7-20 7.7-21 7.7-21 7.7-22 7.7-23 7.7-23 7.7-25 7.7-26 7.7-26 7.7-26 7A.1-1 FUNCTIONAL IDENTIFICATION Principal Function Measured Variable Readout or Passive Functions Modifying Letters Tagging Symbols Special Identifying Letters Pilot Lights SYSTEM IDENTIFICATION Identification Numbers Instruments Common to Multiple Process Systems LOOP IDENTIFICATION Instruments Common to Multiple Control Loops Multiple Instruments with a Common Function SYMBOLS 7A.1-3 INSTRUMENT SYMBOL 8.0 Table of Contents 7A.1-1 7A.1-1 7A.1-2 7A.1-2 7A.1-2 7A.1-2 7A.1-2 7A.1-2 7A.1-3 7A.1-3 7A.1-3 7A.1-3 7A.1-3 7A.1-3 7A.1-4 ELECTRIC POWER 1-lxxix WATTS BAR WBNP-76 TABLE OF CONTENTS Section 8.1 Title INTRODUCTION 8.1.1 8.1.2 8.1.3 8.1.4 8.1.5 8.1.5.1 8.1.5.2 8.1.5.3 Utility Grid and Interconnections Plant Electrical Power System Safety-Related Loads Design Bases Design Criteria and Standards Design Criteria Other Standards and Guides Compliance to Regulatory Guides and IEEE Standards 8.2 Page 8.1-1 8.1-1 8.1-1 8.1-2 8.1-2 8.1-4 8.1-4 8.1-4 8.1-8 8.2-1 8.2.1 Description 8.2-1 8.2.1.1 Preferred Power Supply 8.2-1 8.2.1.2 Transmission Lines, Switchyard, and Transformers 8.2-3 8.2.1.3 Arrangement of the Start Boards, Unit Boards, Common Boards, and Reactor Coolant Pump (RCP) Boards 8.2-4 8.2.1.4 Arrangement of Electrical Control Area (Nuclear Plant) 8.2-5 8.2.1.5 Switchyard Control and Relaying 8.2-5 8.2.1.6 6.9kV Start Boards Control and Relaying 8.2-8 8.2.1.7 6.9kV Unit and RCP Board Control and Relaying 8.2-10 8.2.1.8 Conformance with Standards 8.2-11 8.2.2 Analysis 8.2-18 8.3 ONSITE (STANDBY) POWER SYSTEM 8.3.1 8.3.1.1 8.3.1.2 8.3.1.2.1 8.3.1.2.2 8.3.1.2.3 8.3.1.3 8.3-36 8.3.1.4 8.3.1.4.1 8.3.1.4.2 8.3.1.4.3 8.3.1.4.4 8.3.1.4.5 8.3.1.4.6 8.3.1.4.7 1-lxxx 8.3-1 AC Power System 8.3-1 Description 8.3-1 Analysis 8.3-26 Standby AC Power Systems 8.3-26 Analysis of Vital 120V AC Control Power Systems AC Distribution Boards and Inverters 8.3-29 Safety-Related Equipment in a LOCA Environment 8.3-32 Physical Identification of Safety-Related Equipment in AC Power Systems Independence of Redundant ac Power Systems 8.3-37 Cable Derating and Raceway Fill 8.3-38 Cable Routing and Separation Criteria 8.3-38 Sharing of Cable Trays and Routing of Non-Safety Related Cables8.3-46 Fire Detection and Protection in Areas Where Cables are Installed 8.3-50 Cable and Cable Tray Markings 8.3-51 Spacing of Power and Control Wiring and Components Comprising the Class 1E Electrical Systems in Control Boards, Panels, and Relay Racks 8.3-52 Fire Barriers and Separation Between Redundant Trays 8.3-53 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 8.3.2 8.3.2.1 8.3.2.1.1 8.3.2.1.2 8.3.2.2 8.3.2.3 66 8.3.2.4 8.3.3 Title Page DC Power System 8.3-53 Description 8.3-53 Vital 125V dc Control Power System 8.3-53 Non-Safety-Related DC Power Systems 8.3-60 Analysis of Vital 125V DC Control Power Supply System 8.3-61 Physical Identification of Safety-Related Equipment in dc Power Systems 8.3Independence of Redundant DC Power Systems Fire Protection for Cable Systems 8.3-66 8.3-67 8A Analysis of Submerged Electrical Equipment (During Post LOCA) Powered from Auxiliary Power System 8-1 8B Analysis of Submerged Electrical Equipment (During Post LOCA) Powered from Instrumentation and Control Power System 8-3 8C Deleted by Amendment 75 8-5 8D IEEE STD 387-1984 FOR DIESEL-GENERATING UNITS APPLIED AS STANDBY POWER 8-6 8E Probability/Reliability Analysis of Protection Device Schemes for Associated and Non-Class 1E Cables 8-8 9.0 9.1 AUXILIARY SYSTEMS FUEL STORAGE AND HANDLING 9.1.1 9.1.1.1 9.1.1.2 9.1.1.3 9.1.2 9.1.2.1 9.1.2.2 9.1.2.3 9.1.2.4 9.1.3 9.1.3.1 9.1.3.1.1 9.1.3.1.2 9.1.3.1.3 9.1.3.1.4 9.1.3.2 9.1.3.2.1 9.1.3.3 New Fuel Storage Design Bases Facilities Description Safety Evaluation SPENT FUEL STORAGE Design Bases Facilities Description Safety Evaluation Materials Spent Fuel Pool Cooling and Cleanup System (SFPCCS) Design Bases Spent Fuel Pool Cooling Spent Fuel Pool Dewatering Protection Water Purification Flood Mode Cooling System Description Component Description Safety Evaluation Table of Contents 9.1-1 9.1-1 9.1-1 9.1-1 9.1-1 9.1-2 9.1-2 9.1-2 9.1-3 9.1-4 9.1-4 9.1-4 9.1-4 9.1-5 9.1-5 9.1-5 9.1-5 9.1-7 9.1-8 1-lxxxi WATTS BAR WBNP-76 TABLE OF CONTENTS Section 9.1.3.3.1 9.1.3.3.2 9.1.3.3.3 9.1.3.3.4 9.1.3.3.5 9.1.3.4 9.1.3.5 9.1.3.5.1 9.1.3.5.2 9.1.3.5.3 9.1.3.5.4 9.1.4 9.1.4.1 9.1.4.2 9.1.4.2.1 9.1.4.2.2 9.1.4.3 9.1.4.3.1 9.1.4.3.2 9.1.4.3.3 9.1.4.3.4 9.1.4.4 9.2 WATER SYSTEMS 9.2.1 9.2.1.1 9.2.1.2 9.2.1.3 9.2.1.4 9.2.1.5 9.2.1.5.1 9.2.1.5.2 9.2.1.5.3 9.2.1.5.4 9.2.1.5.5 9.2.1.5.6 9.2.1.6 9.2.1.7 9.2.2 9.2.2.1 9.2.2.2 9.2.2.3 9.2.2.3.1 9.2.2.3.2 1-lxxxii Title Availability and Reliability Spent Fuel Pool Dewatering Pool and Fuel Temperatures Water Quality Leakage Detection for the Spent Fuel Pool Tests and Inspections Instrument Application Temperature Pressure Flow Level FUEL HANDLING SYSTEM Design Bases System Description Refueling Procedure Component Description Design Evaluation Safe Handling Seismic Considerations Containment Pressure Boundary Integrity Radiation Shielding Tests and Inspections Essential Raw Cooling Water (ERCW) Design Bases System Description Safety Evaluation Tests and Inspections Instrument Applications General Description Pressure Instrumentation Flow Instrumentation Temperature Instrumentation Deleted by Amendment 87 Control Valves Corrosion, Organic Fouling, and Environmental Qualification Design Codes Component Cooling System (CCS) Design Bases System Description Components Component Cooling Heat Exchangers Component Cooling Pumps Page 9.1-8 9.1-9 9.1-9 9.1-11 9.1-11 9.1-11 9.1-11 9.1-11 9.1-12 9.1-12 9.1-12 9.1-12 9.1-12 9.1-13 9.1-14 9.1-17 9.1-20 9.1-20 9.1-25 9.1-25 9.1-25 9.1-25 9.2-1 9.2-1 9.2-1 9.2-1 9.2-4 9.2-7 9.2-7 9.2-7 9.2-8 9.2-8 9.2-8 9.2-9 9.2-9 9.2-9 9.2-10 9.2-11 9.2-11 9.2-12 9.2-15 9.2-16 9.2-16 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 9.2.2.3.3 9.2.2.3.4 9.2.2.3.5 9.2.2.3.6 9.2.2.3.7 9.2.2.4 9.2.2.5 9.2.2.6 9.2.2.7 9.2.2.7.1 9.2.2.7.2 9.2.2.7.3 9.2.2.7.4 9.2.2.7.5 9.2.2.7.6 9.2.2.7.7 9.2.2.8 9.2.2.9 9.2.2.10 9.2.3 9.2.3.1 9.2.3.2 9.2.3.3 9.2.3.4 9.2.3.5 9.2.4 9.2.4.1 9.2.4.1.1 9.2.4.1.2 9.2.4.1.3 9.2.4.1.4 9.2.4.2 9.2.4.2.1 9.2.4.2.2 9.2.4.2.3 9.2.4.2.4 9.2.4.2.5 9.2.5 9.2.5.1 9.2.5.2 9.2.5.3 9.2.5.4 9.2.6 9.2.6.1 Title Thermal Barrier Booster Pumps Component Cooling Surge Tanks Seal Leakage Return Unit Valves Piping Safety Evaluation Leakage Provisions Incidental Control Instrument Applications General Description Flow Instrumentation Level Instrumentation Pressure Instrumentation Temperature Instrumentation Valves Conclusion Malfunction Analysis Tests and Inspections - Historical Information Codes and Classification Demineralized Water Makeup System Design Bases System Description Safety Evaluation Test and Inspection Instrumentation Applications Potable and Sanitary Water Systems Potable Water System System Description Safety Evaluation Tests and Inspections Instrumentation Applications Sanitary Water System Design Bases System Description Safety Evaluation Tests And Inspections Instrumentation Applications Ultimate Heat Sink General Description Design Bases Safety Evaluation Instrumentation Application Condensate Storage Facilities Design Bases Table of Contents Page 9.2-16 9.2-16 9.2-16 9.2-17 9.2-18 9.2-18 9.2-19 9.2-19 9.2-20 9.2-20 9.2-20 9.2-20 9.2-21 9.2-21 9.2-21 9.2-21 9.2-21 9.2-22 9.2-22 9.2-22 9.2-22 9.2-23 9.2-23 9.2-24 9.2-24 9.2-24 9.2-24 9.2-24 9.2-25 9.2-25 9.2-25 9.2-25 9.2-25 9.2-26 9.2-27 9.2-28 9.2-28 9.2-28 9.2-28 9.2-29 9.2-30 9.2-31 9.2-31 9.2-32 1-lxxxiii WATTS BAR WBNP-76 TABLE OF CONTENTS Section 9.2.6.2 9.2.6.3 9.2.6.4 9.2.6.5 9.2.7 9.2.7.1 9.2.8 9.2.8.1 9.2.8.2 9.2.8.3 9.2.8.4 9.3 Title System Description Safety Evaluation Test and Inspections Instrument Applications Refueling Water Storage Tank ECCS Pumps Net Positive Suction Head (NPSH) Raw Cooling Water System Design Bases System Description Safety Evaluation Tests and Inspection PROCESS AUXILIARIES Page 9.2-32 9.2-33 9.2-33 9.2-34 9.2-34 9.2-36 9.2-37 9.2-37 9.2-38 9.2-40 9.2-41 9.3-1 9.3.1 Compressed Air System 9.3-1 9.3.1.1 Design Basis 9.3-1 9.3.1.2 System Description 9.3-1 9.3.1.3 Safety Evaluation 9.3-2 9.3.1.4 Tests and Inspections 9.3-5 9.3.1.5 Instrumentation Applications 9.3-5 9.3.2 Process Sampling System 9.3-5 9.3.2.1 Design Basis 9.3-5 9.3.2.2 System Description 9.3-5 9.3.2.3 Safety Evaluation 9.3-8 9.3.2.4 Tests and Inspections 9.3-8 9.3.2.5 Instrumentation Applications 9.3-8 9.3.2.6 Postaccident Sampling Subsystem - (Unit 1 Only) 9.3-8 9.3.2.6.1 System Description 9.3-9 9.3.2.6.2 Postaccident Sampling Facility 9.3-9 9.3.2.6.3 Sampling Equipment 9.3-9 Liquid Sampling Panel 10 Chemical Analysis Panel 10 Containment Air Sampling Panel (CASP) 10 HRSS Control Panels 11 9.3.2.6.4 Sample Points 9.3-11 9.3.2.6.5 Postaccident Counting Facilities 9.3-11 9.3.2.6.6 Piping, Tubing, and Valves 9.3-11 9.3.2.6.7 Safety Evaluation 9.3-12 9.3.2.6.8 Tests and Inspections 9.3-12 9.3.3 Equipment and Floor Drainage System 9.3-12 9.3.3.1 Design Bases 9.3-12 9.3.3.2 System Design 9.3-12 9.3.3.2.1 Drains from Lowest Floor Level in the Auxiliary Building 9.3-13 9.3.3.2.2 Residual Heat Removal Pump (RHR) and Containment Spray Pump (CSP) Compartments 9.3-13 1-lxxxiv Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 9.3.3.2.3 9.3.3.2.4 9.3.3.2.5 9.3.3.3 9.3.3.4 9.3.3.5 9.3.3.6 9.3.3.7 9.3.4 9.3.4.1 9.3.4.2 9.3.4.2.1 9.3.4.2.2 9.3.4.3 9.3.4.4 9.3.4.5 9.3.5 9.3.6 9.3.6.1 9.3.6.2 9.3.6.3 9.3.6.4 9.3.6.5 9.3.7 9.3.8 9.4 Title Page CVCS Holdup Tank Compartment and Tritiated Drain Collector Tank Room 9.3-14 Volume Control Tanks 9.3-14 Boric Acid Tanks 9.3-14 Drains - Reactor Building 9.3-15 Design Evaluation 9.3-15 Tests and Inspections 9.3-15 Instrumentation Application 9.3-15 Drain List 9.3-15 Chemical and Volume Control System 9.3-16 Design Bases 9.3-16 System Description 9.3-17 Component Description 9.3-23 System Operation 9.3-33 Safety Evaluation 9.3-36 Tests and Inspections 9.3-38 Instrumentation Application 9.3-38 Failed Fuel Detection System 9.3-39 Auxiliary Charging System 9.3-39 Design Bases 9.3-39 System Design Description 9.3-40 Design Evaluation 9.3-41 Tests and Inspection 9.3-41 Instrument Application 9.3-41 Boron Recycle System 9.3-42 Heat Tracing 9.3-42 AIR CONDITIONING, HEATING, COOLING, AND VENTILATION SYSTEMS 9.4.1 9.4.1.1 9.4.1.2 9.4.1.3 9.4.1.4 9.4.2 9.4.2.1 9.4.2.2 9.4.2.3 9.4.2.4 9.4.3 9.4.3.1 9.4.3.2 9.4.3.2.1 9.4.3.2.2 9.4.3.2.3 Control Room Area Ventilation System Design Bases System Description Safety Evaluation Tests and Inspection Fuel Handling Area Ventilation System Design Bases System Description Safety Evaluation Inspection and Testing Auxiliary Building and Radwaste Area Ventilation System Design Bases System Description Building Air Supply and Exhaust Systems (General Ventilation) Building Cooling System (Chilled Water) Safety Feature Equipment Coolers Table of Contents 9.4-1 9.4-1 9.4-1 9.4-3 9.4-7 9.4-8 9.4-9 9.4-9 9.4-10 9.4-10 9.4-12 9.4-12 9.4-12 9.4-13 9.4-14 9.4-15 9.4-15 1-lxxxv WATTS BAR WBNP-76 TABLE OF CONTENTS Section 9.4.3.2.4 9.4.3.2.5 9.4.3.2.6 9.4.3.2.7 Title Page Shutdown Board Room Air-Conditioning System 9.4-15 Auxiliary Board Rooms Air-Conditioning Systems 9.4-16 Shutdown Transformer Room Ventilating Systems 9.4-17 Auxiliary Building Miscellaneous Ventilation and Air Conditioning Systems 9.4-18 9.4.3.3 Safety Evaluation 9.4-18 9.4.3.3.1 Auxiliary Building General Ventilation System 9.4-18 9.4.3.3.2 Building Cooling System 9.4-20 9.4.3.3.3 Safety Feature Equipment Coolers 9.4-20 9.4.3.3.4 Shutdown Board Room Air-Conditioning System 9.4-20 9.4.3.3.5 Auxiliary Board Rooms Air-Conditioning System 9.4-20 9.4.3.3.6 Shutdown Transformer Room Ventilating System 9.4-22 9.4.3.3.7 Auxiliary Building Miscellaneous Ventilation and Air-Conditioning System 9.4-22 9.4.3.4 Inspection and Testing Requirements 9.4-23 9.4.4 Turbine Building Area Ventilation System 9.4-23 9.4.4.1 Design Bases 9.4-23 9.4.4.2 System Description 9.4-23 9.4.4.2.1 Elevation 755.0 Ventilation 9.4-24 9.4.4.2.2 Elevation 729.0 and Elevation 708.0 Ventilation 9.4-24 9.4.4.2.3 El. 685.5 Ventilation 9.4-24 9.4.4.2.4 Cold Weather Building Pressurization 9.4-24 9.4.4.2.5 Miscellaneous Ventilating Systems 9.4-24 9.4.4.2.6 Coolers 9.4-25 Space Coolers 25 Pump Coolers 25 9.4.4.2.7 Building Heating System 9.4-25 9.4.4.3 Safety Evaluation 9.4-26 9.4.4.4 Inspection and Testing Requirements 9.4-26 9.4.5 Engineered Safety Feature Ventilation Systems 9.4-26 9.4.5.1 ERCW Intake Pumping Station (IPS) 9.4-26 9.4.5.1.1 Design Bases 9.4-26 9.4.5.1.2 System Description 9.4-27 9.4.5.1.3 Safety Evaluation 9.4-28 9.4.5.1.4 Inspection and Testing Requirements 9.4-28 9.4.5.2 Diesel Generator Buildings 9.4-28 9.4.5.2.1 Diesel Generator Building 9.4-28 Design Bases 28 System Description 30 Safety Evaluation 31 Tests and Inspections 33 9.4.5.3 Auxiliary Building Engineered Safety Features (ESF) Equipment Coolers 9.433 9.4.5.3.1 Design Bases 9.4-33 1-lxxxvi Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 9.4.5.3.2 9.4.5.3.3 9.4.5.3.4 9.4.6 9.4.6.1 9.4.6.2 9.4.6.3 9.4.6.4 9.4.7 9.4.7.1 9.4.7.2 9.4.7.2.1 9.4.7.2.2 9.4.7.2.3 9.4.7.2.4 9.4.7.2.5 9.4.7.3 9.4.7.4 9.4.8 tem 9.4.9 9.5 9.5.1 9.5.1.1 9.5.1.2 9.5.1.3 9.5.1.4 9.5.1.5 9.5.2 9.5.2.1 9.5.2.2 9.5.2.3 9.5.2.4 9.5.2.5 9.5.3 9.5.3.1 9.5.3.2 9.5.3.3 9.5.3.4 9.5.3.5 9.5.4 9.5.4.1 9.5.4.2 Title Page System Description 9.4-34 Safety Evaluation 9.4-35 Inspection and Testing Requirements 9.4-37 Reactor Building Purge Ventilating System (RBPVS) 9.4-37 Design Bases 9.4-37 System Description 9.4-40 Safety Evaluation 9.4-41 Inspection and Testing Requirements 9.4-43 Containment Air Cooling System 9.4-43 Design Bases 9.4-43 System Description 9.4-45 Lower Compartment Air Cooling System 9.4-45 Control Rod Drive Mechanisms Air Cooling System 9.4-45 Upper Compartment Air Cooling System 9.4-46 Reactor Building Instrument Room Air Cooling System 9.4-46 Controls and Instrumentation 9.4-46 Safety Evaluation 9.4-47 Test and Inspection Requirements 9.4-47 Condensate Demineralizer Waste Evaporator Building Environmental Control Sys9.4-48 Postaccident Sampling Facility (PASF) Environmental Control System 9.4-48 OTHER AUXILIARY SYSTEMS Fire Protection System Deleted by Amendment 87 Deleted by Amendment 87 Deleted by Amendment 87 Deleted by Amendment 87 Deleted by Amendment 87 Plant Communications System Design Bases General Description Intraplant Communications General Description Interplant System Evaluation Inspection and Tests Lighting Systems Design Bases Description of the Plant Lighting System Diesel Generator Building Lighting System Safety Related Functions of the Lighting Systems Inspection and Testing Requirements Diesel Generator Fuel Oil Storage and Transfer System Design Basis System Description Table of Contents 9.5-1 9.5-1 9.5-1 9.5-1 9.5-1 9.5-1 9.5-1 9.5-1 9.5-1 9.5-1 9.5-4 9.5-5 9.5-7 9.5-8 9.5-8 9.5-8 9.5-9 9.5-10 9.5-10 9.5-10 9.5-10 9.5-11 1-lxxxvii WATTS BAR WBNP-76 TABLE OF CONTENTS Section 9.5.4.3 9.5.4.4 9.5.5 9.5.5.1 9.5.5.2 9.5.5.3 9.5.5.4 9.5.6 9.5.6.1 9.5.6.2 9.5.6.3 9.5.6.4 9.5.7 9.5.7.1 9.5.7.2 9.5.7.3 9.5.7.4 9.5.8 9.5.8.1 9.5.8.2 9.5.8.3 9.5.8.4 10.0 Title Safety Evaluation Tests and Inspections Diesel Generator Cooling Water System Design Bases System Description Safety Evaluation Tests and Inspections Diesel Generator Starting System Design Bases System Description Safety Evaluation Tests and Inspections Diesel Engine Lubrication System Design Bases System Description Safety Evaluation Test and Inspections Diesel Generator Combustion Air Intake and Exhaust System Design Bases System Descriptions Safety Evaluation Tests and Inspection Page 9.5-14 9.5-15 9.5-15 9.5-15 9.5-15 9.5-16 9.5-16 9.5-17 9.5-17 9.5-17 9.5-18 9.5-18 9.5-18 9.5-18 9.5-19 9.5-20 9.5-21 9.5-21 9.5-21 9.5-21 9.5-22 9.5-22 MAIN STEAM AND POWER CONVERSION SYSTEMS 10.1 SUMMARY DESCRIPTION 10.1-1 10.2 TURBINE-GENERATOR 10.2-1 10.2.1 10.2.2 10.2.3 10.2.3.1 10.2.3.2 10.2.3.3 10.2.3.4 10.2.3.5 10.2.3.5.1 10.2.3.5.2 10.2.3.5.3 10.2.3.6 10.2.3.6.1 10.2.3.6.2 10.2.3.6.3 10.2.4 1-lxxxviii Design Bases Description Turbine Rotor and Disc Integrity Materials Selection Fracture Toughness High Temperature Properties Turbine Disc Design Preservice Inspection Low Pressure Turbine Rotor High Pressure Turbine Rotor Preoperational and Initial Startup Testing Inservice Inspection Turbine Rotors Turbine Overspeed Protection Other Turbine Protection Features Evaluation 10.2-1 10.2-1 10.2-5 10.2-5 10.2-8 10.2-9 10.2-10 10.2-10 10.2-10 10.2-11 10.2-11 10.2-11 10.2-11 10.2-12 10.2-13 10.2-13 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 10.3 MAIN STEAM SUPPLY SYSTEM 10.3.1 10.3.2 10.3.2.1 10.3.2.2 10.3.3 10.3.4 10.3.5 10.3.5.1 10.3.5.2 10.3.5.3 10.3.5.4 10.3-5 10.3.6 10.3.6.1 10.3.6.2 10.4 Title 10.3-1 Design Bases 10.3-1 System Description 10.3-1 System Design 10.3-1 Material Compatibility, Codes, and Standards 10.3-2 Design Evaluation 10.3-2 Inspection and Testing Requirements 10.3-3 Water Chemistry 10.3-4 Purpose 10.3-4 Feedwater Chemistry Specifications 10.3-4 Operating Modes 10.3-4 Effect of Water Chemistry on the Radioactive Iodine Partition Coefficient Steam and Feedwater System Materials Fracture Toughness Materials Selection and Fabrication OTHER FEATURES OF STEAM AND POWER CONVERSION SYSTEM 10.4.1 10.4.1.1 10.4.1.2 10.4.1.3 10.4.1.4 10.4.1.5 10.4.2 10.4.2.1 10.4.2.2 10.4.2.3 10.4.2.4 10.4.2.5 10.4.3 10.4.3.1 10.4.3.2 10.4.3.3 10.4.3.4 10.4.3.5 10.4.4 10.4.4.1 10.4.4.2 10.4.4.3 10.4.4.4 10.4.4.5 10.4.5 Page Main Condenser Design Bases System Description Safety Evaluation Inspection and Testing Instrumentation Main Condenser Evacuation System Design Bases System Description Safety Evaluation Inspection and Testing Instrumentation Turbine Gland Sealing System Design Bases System Description Safety Evaluation Inspection and Testing Instrumentation Turbine Bypass System Design Bases System Description Safety Evaluation Inspection and Testing Instrumentation Condenser Circulating Water System Table of Contents 10.3-5 10.3-5 10.3-6 10.4-1 10.4-1 10.4-1 10.4-1 10.4-4 10.4-5 10.4-5 10.4-5 10.4-5 10.4-5 10.4-6 10.4-6 10.4-6 10.4-7 10.4-7 10.4-7 10.4-7 10.4-8 10.4-8 10.4-8 10.4-8 10.4-9 10.4-9 10.4-10 10.4-11 10.4-11 1-lxxxix WATTS BAR WBNP-76 TABLE OF CONTENTS Section 10.4.5.1 10.4.5.2 10.4.5.3 10.4.5.4 10.4.5.5 10.4.6 10.4.6.1 10.4.6.2 10.4.6.3 10.4.6.4 10.4.6.5 10.4.7 10.4.7.1 10.4.7.2 10.4.7.3 10.4.7.4 10.4.7.5 10.4.8 10.4.8.1 10.4.8.2 10.4.8.3 10.4.8.4 10.4.9 10.4.9.1 10.4.9.2 10.4.9.3 10.4.9.4 10.4.9.5 11.0 11.1 11.2.1 1-xc Page 10.4-11 10.4-11 10.4-14 10.4-14 10.4-14 10.4-15 10.4-15 10.4-16 10.4-17 10.4-18 10.4-18 10.4-19 10.4-19 10.4-19 10.4-27 10.4-29 10.4-29 10.4-29 10.4-29 10.4-30 10.4-31 10.4-32 10.4-32 10.4-32 10.4-33 10.4-34 10.4-37 10.4-38 Design Basis System Description Safety Evaluation Inspection and Testing Instrumentation Application Condensate Polishing Demineralizer System Design Bases - Power Conversion System Description Safety Evaluation Inspection and Testing Instrumentation Condensate and Feedwater Systems Design Bases System Description Safety Evaluation Inspection and Testing Instrumentation Steam Generator Blowdown System Design Bases System Description and Operation Safety Evaluation Inspections and Testing Auxiliary Feedwater System Design Bases System Description Safety Evaluation Inspection and Testing Requirements Instrumentation Requirements RADIOACTIVE WASTE MANAGEMENT SOURCE TERMS 11.1.1 11.1.1.1 11.1.1.2 11.1.1.3 11.1.1.4 11.1.1.5 11.1.2 11.1.3 11.1.4 11.2 Title 11.1-1 Historical Design Model for Radioactivities in Systems and Components Reactor Coolant Historical Design Activity Volume Control Tank Historical Design Activity Pressurizer Historical Design Activity Gaseous Waste Processing System Historical Design Activities Secondary Coolant Historical Design Activities Realistic Model for Radioactivities in Systems and Components Plant Leakage Additional Sources LIQUID WASTE SYSTEMS DESIGN OBJECTIVES 11.1-1 11.1-1 11.1-2 11.1-2 11.1-2 11.1-2 11.1-2 11.1-3 11.1-3 11.2-1 11.2-1 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section Title Page 11.2.2 SYSTEMS DESCRIPTIONS 11.2-1 11.2.3 SYSTEM DESIGN 11.2-4 11.2.3.1 Component Design 11.2-4 11.2.3.2 Instrumentation Design 11.2-9 11.2.4 Operating Procedure 11.2-10 11.2.5 PERFORMANCE TESTS 11.2-16 11.2.6 ESTIMATED RELEASES 11.2-17 11.2.6.1 NRC Requirements 11.2-17 11.2.6.2 Westinghouse PWR Release Experience 11.2-17 11.2.6.3 Expected Liquid Waste Processing System Releases 11.2-17 11.2.6.4 Turbine Building (TB) Drains 11.2-17 11.2.6.4.1 Purpose 11.2-17 11.2.6.4.2 Description 11.2-17 Condensate Polishing Demineralizer System Drains 18 Other Turbine Building Drainage 18 Oil and Oily Water Drainage 18 11.2.6.5 Estimated Total Liquid Releases 11.2-18 11.2.7 RELEASE POINTS 11.2-18 11.2.8 DILUTION FACTORS 11.2-19 11.2.9 ESTIMATED DOSES FROM RADIONUCLIDES IN LIQUID EFFLUENTS 11.219 11.2.9.1 Assumptions and Calculational Methods 11.2-19 11.2.9.2 Summary of Dose from Radionuclides in Liquid Effluents 11.2-21 11.3 GASEOUS WASTE SYSTEMS 11.3.1 11.3.2 11.3.3 11.3.3.1 11.3.3.2 11.3.4 11.3.5 11.3.6 11.3.7 11.3.7.1 11.3.7.2 11.3.7.3 11.3.7.4 11.3.7.5 11.3.8 11.3.9 11.3.10 11.3.10.1 11.3.10.2 Design Bases SYSTEM DESCRIPTIONS SYSTEM DESIGN Component Design Instrumentation Design Operating Procedure Performance Tests Deleted by Amendment 77 Radioactive Releases NRC Requirements Westinghouse PWR Experience Releases Expected Gaseous Waste Processing System Releases Releases from Ventilation Systems Estimated Total Releases Release Points Atmospheric Dilution Estimated Doses from Radionuclides in Gaseous Effluents Assumptions and Calculational Methods Summary of Annual Population Doses Table of Contents 11.3-1 11.3-1 11.3-1 11.3-3 11.3-3 11.3-3 11.3-4 11.3-6 11.3-6 11.3-6 11.3-6 11.3-6 11.3-7 11.3-7 11.3-7 11.3-7 11.3-9 11.3-9 11.3-9 11.3-12 1-xci WATTS BAR WBNP-76 TABLE OF CONTENTS Section 11.4 TEM Design Objectives System Inputs Systems Description Wet Active Waste Handling Dry Active Waste Handling Miscellaneous Waste Handling Equipment Operation Mobile Solidification System (MSS) Storage Facilities Inplant Storage Area Outside Radwaste Storage Shipment Offsite Radiological Monitoring Program 11.6.1 11.6.2 11.6.2.1 11.6.2.2 11.6.3 11.6.4 11.6.5 1-xcii Design Objectives Continuous Monitors Liquid Monitors Waste Disposal System Liquid Effluent Monitor Essential Raw Cooling Water Effluent Monitors Component Cooling System Liquid Effluent Monitors Steam Generator Blowdown Effluent Monitor Condensate Demineralizer Regenerant Effluent Monitor Turbine Building Sump Effluent Monitor Gaseous Monitors Waste Gas Holdup System Effluent Monitor Condenser Vacuum Air Exhaust Monitors Spent Fuel Pool Accident Radiation Monitors Ventilation Monitors and Containment Atmosphere Monitors Main Control Room Air Intake Monitors Containment Purge Air Exhaust Monitors Main Steamline Radiation Monitors SAMPLING CALIBRATION AND MAINTENANCE SOLID WASTE MANAGEMENT SYSTEM 11.5.1 11.5.2 11.5.3 11.5.3.1 11.5.3.2 11.5.3.3 11.5.4 11.5.4.1 11.5.5 11.5.5.1 11.5.5.2 11.5.6 11.6 Page PROCESS AND EFFLUENT RADIOLOGICAL MONITORING AND SAMPLING SYS11.4-1 11.4.1 11.4.2 11.4.2.1 11.4.2.1.1 11.4.2.1.2 11.4.2.1.3 11.4.2.1.4 11.4.2.1.5 11.4.2.1.6 11.4.2.2 11.4.2.2.1 11.4.2.2.2 11.4.2.2.3 11.4.2.2.4 11.4.2.2.5 11.4.2.2.6 11.4.2.2.7 11.4.3 11.4.4 11.5 Title Expected Background Critical Pathways to Man Doses from Gaseous Effluents Internal Doses from Liquid Effluents Sampling Media, Locations, and Frequency Analytical Sensitivity Data Analysis and Presentation 11.4-1 11.4-2 11.4-2 11.4-2 11.4-2 11.4-3 11.4-3 11.4-3 11.4-3 11.4-4 11.4-4 11.4-4 11.4-5 11.4-5 11.4-7 11.4-8 11.4-8 11.4-8 11.4-9 11.5-1 11.5-1 11.5-1 11.5-1 11.5-1 11.5-3 11.5-4 11.5-4 11.5-4 11.5-4 11.5-4 11.5-4 11.5-5 11.6-1 11.6-2 11.6-2 11.6-3 11.6-3 11.6-4 11.6-4 11.6-4 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 11.6.6 Title Program Statistical Sensitivity 11A Page 11.6-4 TRITIUM CONTROL 11A.1 SYSTEM SOURCES 11A.1-1 11A.1.1 11A.1.2 11A.1.3 11A.1.4 11A.1-1 11A.1-1 11A.1-1 11A.1-2 The Fission Source Control Rod Source Boric Acid Source Burnable Shim Rod Source 11A.2 Tritium Releases 11A.1-2 11A.3 Design Bases 11A.1-2 11A.4 Design Evaluation 11A.1-2 11A.5 Tritium Lead Test Assembly (This section to be provided at a later date) 11A.1-3 11A.6 Tritium Producing Burnable Absorber Rod (TPBAR) Source (Unit 1 Only) 11A.1-3 12.0 RADIATION PROTECTION 12.1 Assuring that Occupational Radiation Exposures Are as Low as Reasonably Achievable (ALARA) 12.1-1 12.1.1 12.1.2 12.1.3 12.2 Policy Considerations Design Considerations ALARA Operational Considerations RADIATION SOURCES 12.2.1 12.2.1.1 12.2.1.1.1 12.2.1.1.2 12.2.1.2 12.2.1.2.1 12.2.1.2.2 12.2.1.2.3 12.2.1.2.4 12.2.1.2.5 12.2.1.2.6 12.2.1.2.7 12.2.1.2.8 12.1-1 12.1-1 12.1-1 12.2-3 Contained Sources 12.2-3 Primary System Sources 12.2-3 Sources Shielded by Primary Shield Concrete 12.2-3 Sources Shielded by Secondary Shield Concrete 12.2-4 Auxiliary Systems Sources 12.2-4 Chemical and Volume Control System - Mixed-Bed Demineralizers 12.2-4 Chemical and Volume Control System - Cation Bed Demineralizer 12.24 Chemical and Volume Control System - Volume Control Tanks 12.2-5 Chemical and Volume Control System - Reactor Coolant Filter 12.2-5 Chemical and Volume Control System - Seal Water Return Filter 12.2-5 Chemical and Volume Control System - Seal Water Injection Filters 12.2-6 Chemical and Volume Control System - Holdup Tanks 12.2-6 Chemical and Volume Control System - Evaporator Feed Mixed-Bed Ion Table of Contents 1-xciii WATTS BAR WBNP-76 TABLE OF CONTENTS Section Page Exchangers 12.2-6 12.2.1.2.9 Chemical and Volume Control System - Evaporator Feed Cation Bed Ion Exchanger 12.2-7 12.2.1.2.10 Chemical and Volume Control System - Ion Exchange Filters 12.2-7 12.2.1.2.11 Gas Stripper and Boric Acid Evaporator Package 12.2-7 12.2.1.2.12 Spent Fuel Pool Cooling System Demineralizer and Filters 12.2-8 12.2.1.3 Sources During Refueling 12.2-10 12.2.1.4 Maximum Hypothetical Accident (MHA) Sources 12.2-10 12.2.1.5 Condensate Demineralizer Waste Evaporator 12.2-11 12.2.2 Airborne Radioactive Material Sources 12.2-11 12.3 Title RADIATION PROTECTION DESIGN FEATURES 12.3-1 12.3.1 Facility Design Features 12.3.2 Shielding 12.3.2.1 Design Objectives 12.3.2.2 Design Description 12.3.3 Ventilation 12.3.3.1 Airflow Control 12.3.3.2 Typical System 12.3.3.3 Additional Radiation Controls 12.3.4 Area Radiation and Airborne Radioactivity Monitoring Instrumentation 12.3.4.1 Area Radiation Monitoring Instrumentation 12.3.4.1.1 Objectives and Design Basis 12.3.4.1.2 Operation Characteristics Area Monitor Detector 18 Main Control Room Ratemeter (0-M-12, 1-,2-M-30) 18 Local Indicator-Alarm Panel 19 Multipoint Recorders (Main Control Room 0-M-12, 1-,2-M-31) 19 Monitor Sensitivity and Range 19 12.3.4.1.3 Area Monitor Calibration and Maintenance 12.3.4.2 Airborne Particulate Radioactivity Monitoring 12.3.4.2.1 Design Basis 12.3.4.2.2 Airborne Monitoring Channels 12.3.4.2.3 Operational Characteristics 12.3.4.2.4 Component Descriptions 12.3.4.2.5 Sensitivity, Range and Set Point 12.3.4.3 Deleted by Amendment 84. 12.3.4.4 Special Radiation Monitors 12.3.4.4.1 Portal Monitors 12.3.4.4.2 Personnel Contamination Monitors 12.3.4.4.3 Deleted by Amendment 84. 12.4 1-xciv DOSE ASSESSMENT 12.3-1 12.3-3 12.3-3 12.3-3 12.3-15 12.3-16 12.3-16 12.3-17 12.3-17 12.3-17 12.3-17 12.3-18 12.3-19 12.3-20 12.3-20 12.3-20 12.3-21 12.3-21 12.3-22 12.3-22 12.3-22 12.3-22 12.3-22 12.3-22 12.4-1 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 12.5 Title RADIATION PROTECTION PROGRAM 12.5.1 12.5.2 12.5.3 Organization Equipment, Instrumentation, and Facilities Procedures 13.0 13.1 12.5-1 12.5-1 12.5-2 12.5-4 CONDUCT OF OPERATIONS ORGANIZATIONAL STRUCTURE OF APPLICANT 13.1.1 13.1.1.1 13.1.2 13.1.2.1 13.1.2.2 13.1.3 13.2 Page Corporate Organization Design Responsibilities Nuclear Power Offsite Organizations Onsite Organization Qualification Requirements for Nuclear Facility Personnel TRAINING PROGRAMS 13.2.1 13.2.2 13.2.3 Accredited Training Programs General Employee and Fitness for Duty Training Programs Other Training Programs 13.1-1 13.1-1 13.1-1 13.1-2 13.1-2 13.1-2 13.1-2 13.2-1 13.2-1 13.2-1 13.2-2 13.3 Emergency Planning 13.3-1 13.4 REVIEW AND AUDIT 13.4-1 13.4.1 13.4.2 13.5 Onsite Review Independent Review and Audit SITE PROCEDURES 13.5.1 13.5.1.1 13.5.1.2 13.5.1.3 13.5.2 13.5.2.1 13.5.2.1.1 13.5.2.1.2 13.5.2.1.3 13.5.2.1.4 13.5.2.1.5 13.5.2.1.6 13.5.2.2 13.5.2.2.1 13.5.2.2.2 13.5.2.2.3 13.5.2.2.4 13.5.2.2.5 SYSTEM OF SITE PROCEDURES Conformance with Regulatory Guide 1.33 Preparation of Procedures Administrative Procedures Operating and Maintenance Procedures Operating Procedures General Operating Instructions System Operating Instructions Abnormal Operating Instructions Emergency Instructions Alarm Response Instructions Fuel Handling Instructions Other Procedures Maintenance Instructions and Modification Procedures Instrument Maintenance Instructions Surveillance Instructions and Technical Requirement Instructions Technical Instructions Miscellaneous Procedures Table of Contents 13.4-1 13.4-1 13.5-1 13.5-1 13.5-1 13.5-1 13.5-2 13.5-2 13.5-2 13.5-2 13.5-2 13.5-3 13.5-3 13.5-3 13.5-3 13.5-3 13.5-3 13.5-3 13.5-4 13.5-4 13.5-4 1-xcv WATTS BAR WBNP-76 TABLE OF CONTENTS Section 13.5.2.2.6 13.6 PLANT RECORDS 13.6.1 13.6.2 13.6.3 13.7 Title Power Escalation Tests 13.6-1 Plant History Operating Records Event Records 13.6-1 13.6-1 13.6-1 NUCLEAR SECURITY 13.7.1 13.7.2 13.7.3 13.7-1 Physical Security and Contingency Plan Personnel and Program Evaluation Physical Security of TPBARs 14.0 Page 13.5-4 13.7-1 13.7-1 13.7-1 INITIAL TEST PROGRAM 14.1 SPECIFIC INFORMATION TO BE INCLUDED IN PRELIMINARY SAFETY ANALYSIS REPORT 14.1-1 14.2 TEST PROGRAM 14.2.1 14.2.2 14.2.2.1 14.2.2.1.1 14.2.2.1.2 14.2.2.1.3 14.2.2.2 14.2.2.2.1 14.2.2.2.2 14.2.2.2.3 14.2.2.2.4 14.2.2.3 14.2.2.4 14.2.2.4.1 14.2.2.4.2 14.2.2.4.3 14.2.2.5 14.2.2.5.1 14.2.2.6 14.2.2.6.1 14.2.2.7 14.2.3 14.2.3.1 14.2.3.2 14.2.3.3 14.2.3.4 14.2.3.5 1-xcvi Summary of Test Program and Objectives Organization and Staffing PSE Preoperational Startup Manager Section deleted by Amendment 84 System Test Engineers Plant Operating Organization Power Ascension Test Manager Power Ascension Test Engineers Operations Maintenance Manager (under VP, Unit 2) Nuclear Assurance Major Participating Organizations Nuclear Engineering Construction Westinghouse Electric Corporation Joint Test Group JTG Membership Test Review Group TRG Membership Personnel Qualifications Test Procedures and Instructions General Development of Procedures Review and Approval of Test Procedures and Instruction Format of Test Instructions/Procedures Test Instruction/Procedure Revisions/Changes 14.2-1 14.2-1 14.2-3 14.2-3 14.2-3 14.2-4 14.2-4 14.2-5 14.2-5 14.2-5 14.2-6 14.2-6 14.2-6 14.2-6 14.2-6 14.2-7 14.2-7 14.2-7 14.2-8 14.2-8 14.2-8 14.2-9 14.2-9 14.2-9 14.2-10 14.2-10 14.2-10 14.2-11 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section Title Page 14.2.4 Conduct of Test Program 14.2-12 14.2.4.1 Administrative Procedures 14.2-12 14.2.4.2 Component Testing 14.2-12 14.2.4.3 Preoperational and Acceptance Testing 14.2-13 14.2.4.4 Power Ascension Testing 14.2-13 14.2.4.5 Test Prerequisites 14.2-13 14.2.4.6 Phase Evaluation 14.2-13 14.2.4.7 Design Modifications 14.2-14 14.2.5 Review, Evaluation, and Approval of Test Results 14.2-14 14.2.6 Test Records 14.2-14 14.2.7 Conformance of Test Programs with Regulatory Guides 14.2-15 14.2.8 Utilization of Reactor Operating and Testing Experience in Development of Test Program 14.2-29 14.2.9 Trial Use of Plant Operating and Emergency Procedures 14.2-29 14.2.10 Initial Fuel Loading, Postloading Tests, Initial Criticality, Low Power Tests and Power Ascension 14.2-30 14.2.10.1 Fuel Loading 14.2-30 14.2.10.2 Postloading Tests 14.2-32 14.2.10.3 Initial Criticality 14.2-32 14.2.10.4 Low Power Tests 14.2-33 14.2.10.5 Power Ascension 14.2-33 14.2.11 Test Program Schedule 14.2-34 14.2.12 Individual Test Descriptions 14.2-35 14.2.12.1 Preoperational Tests 14.2-35 14.2.12.2 Power Ascension Tests 14.2-35 15.0 15.1 ACCIDENT ANALYSES CONDITION I - NORMAL OPERATION AND OPERATIONAL TRANSIENTS 15.1-1 15.1.1 Optimization of Control Systems 15.1-3 15.1.2 Initial Power Conditions Assumed In Accident Analyses 15.1-3 15.1.2.1 Power Rating 15.1-3 15.1.2.2 Initial Conditions 15.1-4 15.1.2.3 The thermal design and minimum measured flowrates are given in Table 15.11.Power Distribution 15.1-4 15.1.3 Trip Points And Time Delays To Trip Assumed In Accident Analyses 15.1-5 15.1.4 Instrumentation Drift And Calorimetric Errors - Power Range Neutron Flux 15.1-5 15.1.5 Rod Cluster Control Assembly Insertion Characteristic 15.1-6 15.1.6 Reactivity Coefficients 15.1-7 15.1.7 Fission Product Inventories 15.1-8 15.1.7.1 Radioactivity in the Core 15.1-8 15.1.7.2 Radioactivity in the Fuel Pellet Clad Gap 15.1-8 15.1.8 Residual Decay Heat 15.1-8 15.1.8.1 Fission Product Decay Energy 15.1-9 Table of Contents 1-xcvii WATTS BAR WBNP-76 TABLE OF CONTENTS Section 15.1.8.2 15.1.8.3 15.1.8.4 15.1.9 15.1.9.1 15.1.9.2 15.1.9.3 15.1.9.4 15.1.9.5 15.1.9.6 15.1.9.7 15.2 Title Decay of U-238 Capture Products Residual Fissions Distribution of Decay Heat Following Loss of Coolant Accident Computer Codes Utilized FACTRAN LOFTRAN LEOPARD TURTLE TWINKLE VIPRE-01 LOFTTR CONDITION II - FAULTS OF MODERATE FREQUENCY Page 15.1-9 15.1-10 15.1-10 15.1-11 15.1-11 15.1-11 15.1-12 15.1-12 15.1-12 15.1-13 15.1-13 15.2-1 15.2.1 Uncontrolled Rod Cluster Control Assembly Bank Withdrawal from a Subcritical Condition 15.2-2 15.2.1.1 Identification of Causes and Accident Description 15.2-2 15.2.1.2 Analysis of Effects and Consequences 15.2-3 15.2.1.3 Conclusions 15.2-5 15.2.2 UNCONTROLLED ROD CLUSTER CONTROL ASSEMBLY BANK WITHDRAWAL AT POWER 15.2-5 15.2.2.1 Identification of Causes and Accident Description 15.2-5 15.2.2.2 Analysis of Effects and Consequences 15.2-6 15.2.2.3 Conclusions 15.2-9 15.2.3 ROD CLUSTER CONTROL ASSEMBLY MISALIGNMENT 15.2-9 15.2.3.1 Identification of Causes and Accident Description 15.2-9 15.2.3.2 Analysis of Effects and Consequences 15.2-11 15.2.3.3 Conclusions 15.2-13 15.2.4 UNCONTROLLED BORON DILUTION 15.2-13 15.2.4.1 Identification of Causes and Accident Description 15.2-13 15.2.4.2 Analysis of Effects and Consequences 15.2-14 15.2.4.2.1 Method of Analysis 15.2-14 15.2.4.2.2 Dilution During Refueling 15.2-14 15.2.4.2.3 Dilution During Startup 15.2-14 15.2.4.2.4 Dilution at Power 15.2-15 15.2.4.3 Conclusions 15.2-15 15.2.4.3.1 For Dilution During Refueling 15.2-15 15.2.4.3.2 For Dilution During Startup 15.2-15 15.2.4.3.3 For Dilution Following Reactor Shutdown 15.2-16 15.2.4.3.4 For Dilution During Full Power Operation 15.2-16 15.2.5 PARTIAL LOSS OF FORCED REACTOR COOLANT FLOW 15.2-17 15.2.5.1 Identification of Causes and Accident Description 15.2-17 15.2.5.2 Analysis of Effects and Consequences 15.2-17 15.2.5.3 Conclusions 15.2-18 15.2.6 Startup of an Inactive Reactor Coolant Loop 15.2-19 1-xcviii Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section Title Page 15.2.6.1 Identification of Causes and Accident Description 15.2-19 15.2.6.2 Conclusions 15.2-19 15.2.7 LOSS OF EXTERNAL ELECTRICAL LOAD AND/OR TURBINE TRIP 15.2-20 15.2.7.1 Identification of Causes and Accident Description 15.2-20 15.2.7.2 Analysis of Effects and Consequences 15.2-21 15.2.7.3 Conclusions 15.2-23 15.2.8 LOSS OF NORMAL FEEDWATER 15.2-23 15.2.8.1 Identification of Causes and Accident Description 15.2-23 15.2.8.2 Analysis of Effects and Consequences 15.2-24 15.2.8.3 Conclusions 15.2-27 15.2.9 COINCIDENT LOSS OF ONSITE AND EXTERNAL (OFFSITE) AC POWER TO THE STATION - LOSS OF OFFSITE POWER TO THE STATION AUXILIARIES 15.2-27 15.2.10 EXCESSIVE HEAT REMOVAL DUE TO FEEDWATER SYSTEM MALFUNCTIONS 15.2-28 15.2.10.1 Identification of Causes and Accident Description 15.2-28 15.2.10.2 Analysis of Effects and Consequences 15.2-28 15.2.10.3 Conclusions 15.2-30 15.2.11 Excessive Load Increase Incident 15.2-31 15.2.11.1 Identification of Causes and Accident Description 15.2-31 15.2.11.2 Analysis of Effects and Consequences 15.2-31 15.2.11.3 Conclusions 15.2-33 15.2.12 ACCIDENTAL DEPRESSURIZATION OF THE REACTOR COOLANT SYSTEM 15.2-33 15.2.12.1 Identification of Causes and Accident Description 15.2-33 15.2.12.2 Analysis of Effects and Consequences 15.2-33 15.2.12.3 Conclusions 15.2-34 15.2.13 ACCIDENTAL DEPRESSURIZATION OF THE MAIN STEAM SYSTEM 15.234 15.2.13.1 Identification of Causes and Accident Description 15.2-34 15.2.13.2 Analysis of Effects and Consequences 15.2-35 15.2.13.3 Conclusions 15.2-37 15.2.14 Inadvertent Operation of Emergency Core Cooling System 15.2-37 15.2.14.1 Identification of Causes and Accident Description 15.2-37 15.2.14.2 Analysis of Effects and Consequences 15.2-38 15.2.14.3 Conclusions 15.2-42 15.3 CONDITION III - INFREQUENT FAULTS 15.3-1 15.3.1 Loss of Reactor Coolant From Small Ruptured Pipes or From Cracks in Large Pipes Which Actuate the Emergency Core Cooling System 15.3-1 15.3.1.1 Identification of Causes and Accident Description 15.3-1 15.3.1.2 Analysis of Effects and Consequences 15.3-2 15.3.1.3 Reactor Coolant System Pipe Break Results 15.3-3 15.3.1.4 Conclusions - Thermal Analysis 15.3-4 15.3.2 Minor Secondary System Pipe Breaks 15.3-5 Table of Contents 1-xcix WATTS BAR WBNP-76 TABLE OF CONTENTS Section 15.3.2.1 15.3.2.2 15.3.2.3 15.3.3 15.3.3.1 15.3.3.2 15.3.3.3 15.3.4 15.3.4.1 15.3.4.2 15.3.4.3 15.3.5 15.3.5.1 15.3.5.2 15.3.6 15.3.6.1 15.3.6.2 15.3.6.3 15.4 CONDITION IV - LIMITING FAULTS 15.4.1 15.4.1.1 15.4.1.1.1 15.4.1.1.2 15.4.1.1.3 15.4.1.1.4 15.4.1.1.5 15.4.1.1.6 15.4.1.2 15.4.1.2.1 15.4.2 15.4.2.1 15.4.2.1.1 15.4.2.1.2 15.4.2.1.3 15.4.2.2 15.4.2.2.1 15.4.2.2.2 15.4.2.2.3 15.4.3 15.4.3.1 15.4.3.2 15.4.3.3 1-c Title Identification of Causes and Accident Description Analysis of Effects and Consequences Conclusions Inadvertent Loading of a Fuel Assembly Into an Improper Position Identification of Causes and Accident Description Analysis of Effects and Consequences Conclusions Complete Loss of Forced Reactor Coolant Flow Identification of Causes and Accident Description Analysis of Effects and Consequences Conclusions Waste Gas Decay Tank Rupture Identification of Causes and Accident Description Analysis of Effects and Consequences Single Rod Cluster Control Assembly Withdrawal at Full Power Identification of Causes and Accident Description Analysis of Effects and Consequences Conclusions Page 15.3-5 15.3-5 15.3-5 15.3-5 15.3-5 15.3-6 15.3-7 15.3-7 15.3-7 15.3-9 15.3-9 15.3-10 15.3-10 15.3-10 15.3-10 15.3-10 15.3-11 15.3-12 15.4-1 Major Reactor Coolant System Pipe Ruptures (Loss of Coolant Accident) 15.4-1 Thermal Analysis 15.4-2 Westinghouse Performance Criteria for Emergency Core Cooling System 15.4-2 Method of Thermal Analysis 15.4-3 Containment Analysis 15.4-7 Results of Large Break Limiting Transient 15.4-8 CONCLUSIONS - THERMAL ANALYSIS 15.4-10 PLANT OPERATING RANGE 15.4-12 Hydrogen Production and Accumulation 15.4-12 15.4-12 Major Secondary System Pipe Rupture 15.4-12 Major Rupture of a Main Steam Line 15.4-12 Identification of Causes and Accident Description 15.4-12 Analysis of Effects and Consequences 15.4-14 Conclusions 15.4-18 Major Rupture of a Main Feedwater Pipe 15.4-19 Identification of Causes and Accident Description 15.4-19 Analysis of Effects and Consequences 15.4-20 Conclusions 15.4-23 Steam Generator Tube Rupture 15.4-23 Identification of Causes and Accident Description 15.4-23 Analysis of Effects and Consequences 15.4-26 Conclusions 15.4-32 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section 15.4.4 15.4.4.1 15.4.4.2 15.4.4.3 15.4.5 15.4.5.1 15.4.5.2 15.4.6 Ejection) 15.4.6.1 15.4.6.1.1 15.4.6.1.2 15.4.6.2 15.4.6.3 15.5 15.5.1 iaries 15.5.2 2 15.5.3 15.5.4 15.5.5 22 15.5.6 15.5.7 Title Page Single Reactor Coolant Pump Locked Rotor 15.4-32 Identification of Causes and Accident Description 15.4-32 Analysis of Effects and Consequences 15.4-33 Conclusions 15.4-35 Fuel Handling Accident 15.4-35 Identification of Causes and Accident Description 15.4-35 Analysis of Effects and Consequences 15.4-35 Rupture of a Control Rod Drive Mechanism Housing (Rod Cluster Control Assembly 15.4-36 Identification of Causes and Accident Description 15.4-36 Design Precautions and Protection 15.4-36 Limiting Criteria 15.4-38 Analysis of Effects and Consequences 15.4-39 Conclusions 15.4-44 ENVIRONMENTAL CONSEQUENCES OF ACCIDENTS 15.5-1 Environmental Consequences of a Postulated Loss of AC Power to the Plant Auxil15.5-1 Environmental Consequences of a Postulated Waste Gas Decay Tank Rupture 15.5Environmental Consequences of a Postulated Loss of Coolant Accident 15.5-3 Environmental Consequences of a Postulated Steam Line Break 15.5-20 Environmental Consequences of a Postulated Steam Generator Tube Rupture 15.5Environmental Consequences of a Postulated Fuel Handling Accident Environmental Consequences of a Postulated Rod Ejection Accident 15.5-23 15.5-25 15A DOSE MODELS USED TO EVALUATE THE ENVIRONMENTAL CONSEQUENCES OF ACCIDENTS 15A.1 INTRODUCTION 15A-1 15A.2 ASSUMPTIONS 15A-1 15A.3 GAMMA DOSE AND BETA DOSE 15A-1 15A.4 THYROID INHALATION DOSE 15A-2 16.0 TECHNICAL SPECIFICATIONS 16.1 PROPOSED TECHNICAL SPECIFICATIONS (NOT USED) 16.1-1 16.2 PROPOSED FINAL TECHNICAL SPECIFICATIONS 16.2-1 16.3 RELOCATED SPECIFICATIONS 16.1-1 Table of Contents 1-ci WATTS BAR WBNP-76 TABLE OF CONTENTS Section 16.3.1 16.3.2 16.3.3 17.0 17.1 17.1.1 17.1.2 17.1A 17.2 17.2.1 1-cii Title Discussion Document Control Changes to the Relocated Specifications QUALITY ASSURANCE Quality Assurance During Design and Construction TVA Organization Quality Assurance Program Westinghouse Quality Management System QUALITY ASSURANCE FOR STATION OPERATION Identification of Safety-Related Features Page 16.1-1 16.1-1 16.1-1 17-1 17-1 17-1 17-1 17-2 17.2-1 17.2-1 Table of Contents WATTS BAR WBNP-76 TABLE OF CONTENTS Section Table of Contents Title Page 1-ciii WATTS BAR WBNP-76 TABLE OF CONTENTS Section 1-civ Title Page Table of Contents