ML21008A420
| ML21008A420 | |
| Person / Time | |
|---|---|
| Site: | Byron, Braidwood  |
| Issue date: | 12/17/2020 |
| From: | Exelon Generation Co |
| To: | Office of Nuclear Reactor Regulation, Office of Nuclear Material Safety and Safeguards |
| Shared Package | |
| ML21008A383 | List:
|
| References | |
| RS-20-153 | |
| Download: ML21008A420 (34) | |
Text
=~ Exelon Generation Byron/Braidwood Nuclear Stations Fire Protection Report (FPR)
Amendment 29 December 2020
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT MASTER CONTENTS
1.0 INTRODUCTION
VOLUME 1 2.0 FIRE HAZARDS ANALYSIS VOLUME 1 2.1. INTRODUCTION VOLUME 1 2.2. AREA DESIGNATIONS VOLUME 1 2.3. FIRE AREA ANALYSIS VOLUME 1 2.4. SAFE SHUTDOWN ANALYSIS VOLUME 2 3.0 GUIDELINES OF BTP CMEB 9.5-1 VOLUME 3 4.0 PROPOSED TECHNICAL SPECIFICATION REVISIONS VOLUME 3 5.0 APPENDICES VOLUME 3 i
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 1.0 Introduction 1.0-1 1.1 Fire Protection Evaluation 1.0-2 1.2 General Description of Facility 1.0-2 2.0 Fire Hazards Analysis 2.1-1 2.1 Introduction 2.1-1 2.1.1 Assumptions 2.1-1 2.1.2 Fire Hazards Analysis Methodology 2.1-4 2.1.3 Design Features and Criteria 2.1-5 2.1.3.1 Station Layout 2.1-5 2.1.3.2 Fire Protection System Description 2.1-5 2.1.3.2.1 Design Basis 2.1-5 2.1.3.2.2 Coverage 2.1-6 2.1.3.2.3 Operation 2.1-7 2.1.3.2.4 Fire Protection System Description 2.1-8 2.1.4 Generic Notes 2.1-9 2.1.4.1 Fire Barrier Descriptions 2.1-9 2.1.4.2 Safety-Related Equipment 2.1-16 2.1.4.3 Protection Criteria and Measures 2.1-16 2.1.4.4 Combustible Materials 2.1-17 2.1.4.5 Fire Loading 2.1-21 2.1.4.6 Extinguishing and Detecting Capabilities 2.1-22 2.1.4.7 Design-Basis Fire 2.1-22 2.2 Area Designation 2.2-1 ii
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.2.1 Tabular Listing of Fire Zones 2.2-1 2.2.2 Tabular Listing of Fire Hazards Data by Fire Zone 2.2-1 2.3 Fire Area Analysis 2.3-1 2.3.1 Containment Buildings 2.3-1 2.3.1.1 Unit 1 Containment Missile Shield Area (Fire Zone 1.1-1) 2.3-1 2.3.1.2 Unit 2 Containment Missile Shield Area (Fire Zone 1.1-2) 2.3-4 2.3.1.3 Unit 1 Annular Area (Fire Zone 1.2-1) 2.3-5 2.3.1.4 Unit 2 Annular Area (Fire Zone 1.2-2) 2.3-6 2.3.1.5 Unit 1 Containment Upper Area (Fire Zone 1.3-1) 2.3-7 2.3.1.6 Unit 2 Containment Upper Area (Fire Zone 1.3-2) 2.3-9 2.3.2 Control Room Area 2.3-9 2.3.2.1 Control Room (Fire Zone 2.1-0) 2.3-9 2.3.2.2 Record Storage Room (Fire Zone 2.1-1) 2.3-12 2.3.2.3 Storage and Toilet Room (Fire Zone 2.1-2) 2.3-14 2.3.3 Cable Spreading Rooms 2.3-15 2.3.3.1 Unit 1 Electrical Cable Tunnel (Fire Zone 3.1-1) 2.3-17 2.3.3.2 Unit 2 Electrical Cable Tunnel (Fire Zone 3.1-2) 2.3-20 2.3.3.3 Auxiliary Building Elevation 439 feet 0 inch (Fire Zone 3.2-0) 2.3-20 2.3.3.4 Unit 1 Non-segregated Bus Duct Area (Fire Zone 3.2A-1) 2.3-22 2.3.3.5 Unit 2 Non-segregated Bus Duct Area (Fire Zone 3.2A-2) 2.3-25 2.3.3.6 Lower Cable Spreading Area (Fire Zone 3.2B-1) 2.3-25 2.3.3.7 Lower Cable Spreading Room (Fire Zone 3.2B-2) 2.3-28 2.3.3.8 Lower Cable Spreading Area (Fire Zone 3.2C-1) 2.3-28 2.3.3.9 Lower Cable Spreading Area (Fire Zone 3.2C-2) 2.3-31 2.3.3.10 Lower Cable Spreading Area (Fire Zone 3.2D-1) 2.3-31 2.3.3.11 Lower Cable Spreading Area (Fire Zone 3.2D-2) 2.3-34 2.3.3.12 Division 11 Cable Riser (Fire Zone 3.2E-1) 2.3-34 2.3.3.13 Division 21 Cable Riser (Fire Zone 3.2E-2) 2.3-36 iii
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.3.3.14 Control Room Upper Cable Spreading Area (Fire Zone 3.3A-1) 2.3-36 2.3.3.15 Control Room Cable Spreading Area (Fire Zone 3.3A-2) 2.3-39 2.3.3.16 Upper Cable Spreading Area B (Fire Zone 3.3B-1) 2.3-40 2.3.3.17 Upper Cable Spreading Area (Fire Zone 3.3B-2) 2.3-43 2.3.3.18 Unit 1 Upper Cable Spreading Area (Fire Zone 3.3C-1) 2.3-44 2.3.3.19 Upper Cable Spreading Area H (Fire Zone 3.3C-2) 2.3-47 2.3.3.20 Unit 1 Upper Cable Spreading Area D (Fire 3.3D-1) 2.3-48 2.3.3.21 Upper Cable Spreading Area (Fire Zone 3.3D-2) 2.3-51 2.3.3.22 Unit 1 Cable Riser Area (Fire Zone 3.4A-1) 2.3-51 2.3.3.23 Unit 2 Cable Riser Area (Fire Zone 3.4A-2) 2.3-52 2.3.4 Plant Computer Rooms 2.3-53 2.3.4.1 Unit 1 Computer Room (Fire Zone 4.1-1) 2.3-53 2.3.4.2 Unit 2 Computer Room (Fire Zone 4.1-2) 2.3-55 2.3.5 Switchgear Areas 2.3-55 2.3.5.1 Division 12 ESF Switchgear Room (Fire Area 5.1-1) 2.3-55 2.3.5.2 Division 22 ESF Switchgear Room (Fire Area 5.1-2) 2.3-58 2.3.5.3 Division 11 ESF Switchgear Room (Fire Area 5.2-1) 2.3-58 2.3.5.4 Division 21 ESF Switchgear Room (Fire Area 5.2-2) 2.3-60 2.3.5.5 Unit 1 Nonessential Switchgear Room (Fire Area 5.3-1) 2.3-60 2.3.5.6 Unit 2 Nonessential Switchgear Room (Fire Area 5.3-2) 2.3-62 2.3.5.7 Division 12 Miscellaneous Electrical Equipment and Battery 2.3-62 Room (Fire Area 5.4-1) 2.3.5.8 Division 22 Miscellaneous Electrical Equipment and Battery 2.3-64 Room (Fire Area 5.4-2) 2.3.5.9 Unit 1 Auxiliary Electrical Equipment Room (Fire Area 5.5-1) 2.3-64 2.3.5.10 Unit 2 Auxiliary Electrical Equipment Room (Fire Area 5.5-2) 2.3-68 2.3.5.11 Division 11 Miscellaneous Electrical Equipment and Battery 2.3-68 Room (Fire Area 5.6-1) iv
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.3.5.12 Division 21 Miscellaneous Electrical Equipment and Battery 2.3-71 Room (Fire Area 5.6-2) 2.3.6 Remote Safety-Related Panels 2.3-71 2.3.7 Battery Rooms 2.3-71 2.3.7.1 Unit 1 BOP Battery Room (Fire Area 7.1-1) 2.3-71 2.3.7.2 Unit 2 BOP Battery Room (Fire Area 7.1-2) 2.3-72 2.3.8 Turbine Building 2.3-73 2.3.8.1 Clean and Dirty Oil Tank Room (Fire Zone 8.1-0) 2.3-74 2.3.8.2 Turbine Building Basement - Unit 1 (Fire Zone 8.2-1) 2.3-76 2.3.8.3 Turbine Building Basement - Unit 2 (Fire Zone 8.2-2) 2.3-77 2.3.8.4 Turbine Building, Grade Level Unit 1 (Fire Zone 8.3-1) 2.3-78 2.3.8.5 Turbine Building, Grade Level Unit 2 (Fire Zone 8.3-2) 2.3-80 2.3.8.6 Unit 1 Auxiliary Boiler Room (Fire Zone 8.4-1) 2.3-81 2.3.8.7 Unit 2 Auxiliary Boiler Room (Fire Zone 8.4-2) 2.3-83 2.3.8.8 Unit 1 Mezzanine Floor (Fire Zone 8.5-1) 2.3-83 2.3.8.9 Unit 2 Mezzanine Floor (Fire Zone 8.5-2) 2.3-85 2.3.8.10 Turbine Building Main Floor (Fire Zone 8.6-0) 2.3-85 2.3.8.11 Station Auxiliary Diesel Generator Room (Fire Zone 8.7A-0) 2.3-88 2.3.8.12 Station Auxiliary Diesel Oil Tank Room (Fire Zone 8.7B-0) 2.3-89 2.3.9 Diesel-Generator Areas 2.3-90 2.3.9.1 Diesel-Generator Room 1B (Fire Area 9.1-1) 2.3-90 2.3.9.2 Diesel-Generator Room 2B (Fire Area 9.1-2) 2.3-94 2.3.9.3 Diesel-Generator Room 1A (Fire Area 9.2-1) 2.3-94 2.3.9.4 Diesel-Generator Room 2A (Fire Area 9.2-2) 2.3-95 2.3.9.5 Diesel-Generator Day Tank Room 1A (Fire Area 9.3-1) 2.3-95 2.3.9.6 Diesel-Generator Day Tank Room 2A (Fire Area 9.3-2) 2.3-98 2.3.9.7 Diesel-Generator Day Tank Room 1B (Fire Area 9.4-1) 2.3-98 v
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.3.9.8 Diesel-Generator Day Tank Room 2B (Fire Area 9.4-2) 2.3-98 2.3.10 Diesel-Fuel Oil Storage Areas 2.3-98 2.3.10.1 Diesel-Fuel Oil Storage Room 1B (Fire Zone 10.1-1) 2.3-98 2.3.10.2 Diesel-Fuel Oil Storage Room 2B (Fire Zone 10.1-2) 2.3-103 2.3.10.3 Diesel-Fuel Oil Storage Room 1A (Fire Zone 10.2-1) 2.3-104 2.3.10.4 Diesel-Fuel Oil Storage Room 2A (Fire Zone 10.2-2) 2.3-105 2.3.11 Auxiliary Building 2.3-106 2.3.11.1 Unit 1 Auxiliary Building Basement (Fire Zone 11.1A-O) 2.3-106 2.3.11.2 Unit 2 Auxiliary Building Basement (Fire Zone 11.1B-O) 2.3-108 2.3.11.3 Auxiliary Building General Area, Elevation 346 feet 0 inch 2.3-109 (Fire Zone 11.2-0) 2.3.11.4 Residual Heat Removal Pump 1A Room (Fire Zone 11.2A-1) 2.3-112 2.3.11.5 Residual Heat Removal Pump 2A Room (Fire Zone 11.2A-2) 2.3-113 2.3.11.6 Containment Spray Pump 1A Room (Fire Zone 11.2B-1) 2.3-114 2.3.11.7 Containment Spray Pump 2A Room (Fire Zone 11.2B-2) 2.3-115 2.3.11.8 Containment Spray Pump 1B Room (Fire Zone 11.2C-1) 2.3-115 2.3.11.9 Containment Spray Pump 2B Room (Fire Zone 11.2C-2) 2.3-116 2.3.11.10 Residual Heat Removal Pump 1B Room (Fire Zone 11.2D-1) 2.3-116 2.3.11.11 Residual Heat Removal Pump 2B Room (Fire Zone 11.2D-2) 2.3-116 2.3.11.12 Auxiliary Building General Area Level 364 feet 0 inch 2.3-117 (Fire Zone 11.3-0) 2.3.11.13 Unit 1 Containment Pipe Penetration Area (Fire Zone 11.3-1) 2.3-120 2.3.11.14 Unit 2 Containment Pipe Penetration Area (Fire Zone 11.3-2) 2.3-122 2.3.11.15 Safety Injection Pump 1A Room (Fire Zone 11.3A-1) 2.3-123 2.3.11.16 Safety Injection Pump 2A Room (Fire Zone 11.3A-2) 2.3-124 2.3.11.17 Residual Heat Removal Heat Exchanger 1A Room 2.3-124 (Fire Zone 11.3B-1) 2.3.11.18 Residual Heat Removal Heat Exchanger 2A Room 2.3-126 (Fire Zone 11.3B-2) vi
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.3.11.19 Unit 1 Positive Displacement Charging Pump Room 2.3-126 (Fire Zone 11.3C-1) 2.3.11.20 Unit 2 Positive Displacement Charging Pump Room 2.3-127 (Fire Zone 11.3C-2) 2.3.11.21 Centrifugal Charging Pump 1A Room (Fire Zone 11.3D-1) 2.3-128 2.3.11.22 Centrifugal Charging Pump 2A Room (Fire Zone 11.3D-2) 2.3-129 2.3.11.23 Residual Heat Removal Heat Exchanger 1B Room 2.3-130 (Fire Zone 11.3E-1) 2.3.11.24 Residual Heat Removal Heat Exchanger 2B Room 2.3-130 (Fire Zone 11.3E-2) 2.3.11.25 Safety Injection Pump 1B Room (Fire Zone 11.3F-1) 2.3-131 2.3.11.26 Safety Injection Pump 2B Room (Fire Zone 11.3F-2) 2.3-132 2.3.11.27 Centrifugal Charging Pump 1B Room (Fire Zone 11.3G-1) 2.3-132 2.3.11.28 Centrifugal Charging Pump 2B Room (Fire Zone 11.3G-2) 2.3-133 2.3.11.29 Auxiliary Building Elevation 383 feet 0 inch (Fire Zone 11.4-0) 2.3-133 2.3.11.30 Control Room Refrigeration Equipment Room 2.3-136 (Fire Zone 11.4A-0) 2.3.11.31 Unit 1 Auxiliary Feedwater Diesel-Driven Pump Room 2.3-137 (Fire Zone 11.4A-1) 2.3.11.32 Unit 2 Auxiliary Feedwater Diesel-Driven Pump Room 2.3-139 (Fire Zone 11.4A-2) 2.3.11.33 Radwaste and Remote Shutdown Panel Ventilation Control 2.3-139 Room (Fire Zone 11.4B-0) 2.3.11.34 Unit 1 Seal Water Heat Exchanger Room 2.3-141 (Fire Zone 11.4B-1) 2.3.11.35 Unit 2 Seal Water Heater Exchanger Room 2.3-142 (Fire Zone 11.4B-2) 2.3.11.36 Radwaste and Remote Shutdown Control Room 2.3-142 (Fire Zone 11.4C-0) 2.3.11.37 Letdown Heat Exchanger 1A Room (Fire Zone 11.4C-1) 2.3-144 2.3.11.38 Letdown Heat Exchanger 2A Room (Fire Zone 11.4C-2) 2.3-145 2.3.11.39 Letdown Heat Exchanger 1B Room (Fire Zone 11.4D-1) 2.3-146 2.3.11.40 Letdown Heat Exchanger 2B Room (Fire Zone 11.4D-2) 2.3-146 2.3.11.41 Auxiliary Building Elevation 401 feet 0 inch 2.3-147 (Fire Zone 11.5-0) vii
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.3.11.42 Unit 1 Containment Refrigeration Equipment Room 2.3-150 (Fire Zone 11.5-1) 2.3.11.43 Unit 2 Containment Refrigeration Equipment Room 2.3-151 (Fire Zone 11.5-2) 2.3.11.44 Radiological Instrument Calibration Room (Fire Zone 11.5A-0) 2.3-152 2.3.11.45 Division 11 Cable Penetration Area (Fire Zone 11.5A-1) 2.3-153 2.3.11.46 Division 21 Cable Penetration Area (Fire Zone 11.5A-2) 2.3-155 2.3.11.47 Division 12 Cable Riser Area (Fire Zone 11.5B-1) 2.3-155 2.3.11.48 Division 22 Cable Riser Area (Fire Zone 11.5B-2) 2.3-156 2.3.11.49 Auxiliary Building Elevation 426 feet 0 inch (Fire Zone 11.6-0) 2.3-157 2.3.11.50 Division 12 Cable Penetration Area (Fire Zone 11.6-1) 2.3-159 2.3.11.51 Division 22 Cable Penetration Area (Fire Zone 11.6-2) 2.3-161 2.3.11.52 Laboratory/HVAC Equipment Room (Fire Zone 11.6A-0) 2.3-161 2.3.11.53 Unit 1 Volume Control Tank Room (Fire Zone 11.6A-1) 2.3-163 2.3.11.54 Unit 2 Volume Control Tank Room (Fire Zone 11.6A-2) 2.3-164 2.3.11.55 Auxiliary Building Offices - Elevation 426 feet 0 inch 2.3-165 (Fire Zone 11.6B-0) 2.3.11.56 Auxiliary Building Laundry Room - Elevation 426 feet 0 inch 2.3-167 (Fire Zone 11.6C-0) 2.3.11.57 Auxiliary Building Hot Showers, Decontamination (Byron Only) 2.3-168 Mask Cleaning and Issuance Room (Braidwood) and Change Areas (Byron/Braidwood)- Elevation 426 feet 0 inch (Fire Zone 11.6D-0) 2.3.11.58 Byron Auxiliary Building Decontamination Pad and Storage, 2.3-169 Braidwood Auxiliary Building Tool Room -Elevation 426 feet 0 inch (Fire Zone 11.6E-0) 2.3.11.59 Auxiliary Building Elevations 451 feet 0 inch 459 feet 0 inch, 463 2.3-171 feet 0 inch, 467 feet 4 inches, and 475 feet 6 inches (Fire Zone 11.7-0) 2.3.11.60 Auxiliary Building, Unit 1 Purge Room, Elevations 451 feet 0 inch 2.3-174 and 467 feet 0 inch (Fire Zone 11.7-1) 2.3.11.61 Auxiliary Building, Unit 2 Purge Room, Elevations 451 feet 0 inch 2.3-176 and 467 feet 0 inch (Fire Zone 11.7-2) 2.3.12 Fuel Handling Building 2.3-176 viii
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.3.12.1 Fuel Handling Building (Fire Zone 12.1-0) 2.3-176 2.3.13 QA Vault (Fire Zone 13) 2.3-181 2.3.14 Radwaste Areas 2.3-182 2.3.14.1 Radwaste Drumming Station and Tunnel (Fire Zone 14.1-0) 2.3-182 2.3.14.2 Radwaste Evaporator Monitor Tank Room and Spent Resin 2.3-183 Pump Room (Fire Zone 14.2-0) 2.3.14.3 Surface Condenser Rooms (Fire Zone 14.3-0) 2.3-185 2.3.14.4 Spent Resin Storage Tank, Concentrates Holding Tank, and 2.3-187 Waste Gas Compressor Rooms (Fire Zone 14.4-0) 2.3.14.5 Radwaste Evaporator Rooms (Fire Zone 14.5-0) 2.3-189 2.3.14.6 Radwaste Building, Drum Storage Area (Fire Zone 14.6-0) 2.3-190 2.3.15 Decontamination Area 2.3-191 2.3.16 Safety-Related Water Tanks 2.3-192 2.3.16.1 Refueling Water Storage Tank - Unit 1 (Fire Zone 16.1-1) 2.3-192 2.3.16.2 Refueling Water Storage Tank - Unit 2 (Fire Zone 16.1-2) 2.3-193 2.3.17 Cooling Towers 2.3-193 2.3.17.1 Open Flume (Fire Zone 17.1-0) 2.3-193 2.3.17.2 Natural Draft Cooling Tower - Unit 1 (Fire Zone 17.1-1) 2.3-194 2.3.17.3 Natural Draft Cooling Tower - Unit 2 (Fire Zone 17.1-2) 2.3-194 2.3.17.4 Essential Service Water (ESW) Cooling Tower - Division 12/22 2.3-195 (Byron) (Fire Zone 17.2-1) 2.3.17.5 ESW Cooling Tower - Division 11/21 (Byron) 2.3-196 (Fire Zone 17.2-2) 2.3.18 Miscellaneous Areas 2.3-196 2.3.18.1 Diesel-Generator 1B and Switchgear Room Air Shaft 2.3-196 (Fire Zone 18.1-1) 2.3.18.2 Diesel-Generator 2B and Switchgear Room Air Shaft 2.3-198 ix
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page (Fire Zone 18.1-2) 2.3.18.3 Diesel-Generator 1A and Switchgear Room Air Shaft 2.3-199 (Fire Zone 18.2-1) 2.3.18.4 Diesel-Generator 2A and Switchgear Room Air Shaft 2.3-199 (Fire Zone 18.2-2) 2.3.18.5 Unit 1 Main Steam and Auxiliary Feedwater Pipe Tunnel 2.3-200 (Fire Zone 18.3-1) 2.3.18.6 Unit 2 Main Steam and Auxiliary Feedwater Pipe Tunnel 2.3-201 (Fire Zone 18.3-2) 2.3.18.7 Control Room HVAC Equipment Room, Train A 2.3-202 (Fire Zone 18.4-1) 2.3.18.8 Control Room HVAC Equipment Room, Train B 2.3-204 (Fire Zone 18.4-2) 2.3.18.9 Locker Room Area (Byron) and Kitchen/Locker Room Area 2.3-205 (Braidwood) (Fire Zone 18.5-1) 2.3.18.10 Security Control Center and Electronics Shop (Fire Zone 18.5-2) 2.3-207 2.3.18.11 Service Building, Ground Floor (Fire Zone 18.6-0) 2.3-208 2.3.18.12 Service Building, Second Floor (Fire Zone 18.7-0) 2.3-209 2.3.18.13 Service Building, Third Floor (Fire Zone 18.8-0) 2.3-209 2.3.18.14 Service Building, Fourth Floor (Fire Zone 18.9-0) 2.3-209 2.3.18.15 Main Power Transformer 1E (Fire Zone 18.10A-1) 2.3-209 2.3.18.16 Main Power Transformer 2E (Fire Zone 18.10A-2) 2.3-210 2.3.18.17 Main Power Transformer 1W (Fire Zone 18.10B-1) 2.3-211 2.3.18.18 Main Power Transformer 2W (Fire Zone 18.10B-2) 2.3-211 2.3.18.19 Unit Auxiliary Transformer 141-1 (Fire Zone 18.10C-1) 2.3-211 2.3.18.20 Unit Auxiliary Transformer 241-1 (Fire Zone 18.10C-2) 2.3-211 2.3.18.21 Unit Auxiliary Transformer 141-2 (Fire Zone 18.10D-1) 2.3-212 2.3.18.22 Unit Auxiliary Transformer 241-2 (Fire Zone 18.10D-2) 2.3-212 2.3.18.23 System Auxiliary Transformers 142-1 and 142-2 2.3-212 (Fire Zone 18.10E-1) 2.3.18.24 System Auxiliary Transformers 242-1 and 242-2 2.3-212 (Fire zone 18.10E-2) 2.3.18.25 River Screen House (Fire Zone 18.11-0) 2.3-213 x
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.3.18.26 Byron River Screen House Diesel Oil Storage Tank Room B 2.3-216 (Fire Zone 18.11-1) 2.3.18.27 Byron River Screen House Diesel Oil Storage Tank Room A 2.3-217 (Fire Zone 18.11-2) 2.3.18.28 Circulating Water Pump House (Byron), Lake Screen House 2.3-217 (Braidwood) (Fire Zone 18.12-0) 2.3.18.29 Diesel Driven Fire Pump Cubicles (Fire Zone 18.13-0) 2.3-219 2.3.18.30 ESW Cooling Tower Electrical Equipment Room, Division 12 2.3-220 (Fire Zone 18.14A-1) 2.3.18.31 ESW Cooling Tower Electrical Equipment Room, Division 22 2.3-222 (Fire Zone 18.14A-2) 2.3.18.32 ESW Cooling Tower Electrical Equipment Room, Division 11 2.3-222 (Fire Zone 18.14B-1) 2.3.18.33 ESW Cooling Tower Electrical Equipment Room, Division 21 2.3-222 (Fire Zone 18.14B-2) 2.3.18.34 Makeup Demineralizer Building (Braidwood) 2.3-223 (Fire Zone 18.15-0) 2.3.18.35 Sulfuric Acid Tank #1 (Byron) (Fire Zone 18.16-1) 2.3-224 2.3.18.36 Sulfuric Acid Tank #2 (Byron) (Fire Zone 18.16-2) 2.3-225 2.3.18.37 Hydrogen/Nitrogen Storage Area (Fire Zone 18.17-0) 2.3-225 2.3.18.38 Sodium Hypochlorite Tank (Byron) (Fire Zone 18.19-0) 2.3-226 2.3.18.39 Fuel Oil Storage Tanks (Fire Zone 18.20-0) 2.3-226 2.3.18.40 Demineralizer Building (Braidwood Only) 2.3-227 2.3.18.41 Makeup Demineralizer Building (Byron) (Fire Zone 18.22-0) 2.3-228 2.3.18.42 Condensate Tank Storage Area (Fire Zone 18.23-0) 2.3-229 2.3.18.43 Turbine Building Sampling Room (Fire Zone 18.24-0) 2.3-229 2.3.18.44 Primary Water Storage Tank - Unit 1 (Fire Zone 18.25-1) 2.3-230 2.3.18.45 Primary Water Storage Tank - Unit 2 (Fire Zone 18.25-2) 2.3-231 2.3.18.46 TSC/Condensate Cleanup Building (Fire Zone 18.26-0) 2.3-231 2.3.18.47 Storage Zones 2.3-233 2.3.18.47.1 Level B Storage Building (Byron) (Fire Zone 18.27-0) 2.3-233 2.3.18.47.2 Bottle Storage Enclosure (Braidwood) (Fire Zone 18.27-0) 2.3-234 2.3.18.48 Waste Treatment Building (Fire Zone 18.28-0) 2.3-235 2.3.18.49 Aboveground Vehicle Fuel Dispensing Areas (Fire Zone 18.29-0) 2.3-236 xi
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.3.18.50 New and Used Oil Storage Pads (Fire Zone 18.30-0) 2.3-238 2.3.18.51 Acid Pump House (Byron) (Fire Zone 18.31-0) 2.3-239 2.3.18.52 Receiving Building and Warehouse (Fire Zone 18.32-0) 2.3-240 2.3.18.53 Gatehouse (Fire Zone 18.33-0) 2.3-241 2.3.18.54 Welding Gas Storage Building (Fire Zone 18.34-0) 2.3-242 2.3.18.55 Security Diesel Motor Control Center (Fire Zone 18.35-0) 2.3-243 2.3.18.56 Relay House (Fire Zone 18.36-0) 2.3-244 2.3.18.57 Maintenance Building (Fire Zone 18.37-0) 2.3-245 2.3.18.58 Illinois Department of Nuclear Safety (IDNS) Building 2.3-246 (Fire Zone 18.38-0) 2.3.18.59 Braidwood Electrical and Instrument Maintenance (EM/IM) Shop 2.3-247 Building (Fire Zone 18.40-0) 2.3.18.60 Unit 1 Containment Access Facility (Fire Zone 18.41-0) 2.3-249 2.3.18.61 Unit 2 Containment Access Facility (Fire Zone 18.42-0) 2.3-250 2.3.18.62 Braidwood Unit 0 Radwaste Storage Tank Bermed Wall Area 2.3-250 (Fire Zone 18.4-0) 2.4 Safe Shutdown Analysis (BYRON) 2.4-1 2.4.1 Introduction 2.4-1 2.4.1.1 Purpose 2.4-1 2.4.1.2 Analysis Criteria 2.4-2 2.4.1.3 Evaluation Methodology 2.4-2 2.4.1.4 Identification of Safe Shutdown Equipment 2.4-4 2.4.1.5 Cable Selection Criteria and Damage Assumptions 2.4-7 2.4.1.5.1 Cable Selection Criteria 2.4-7 2.4.1.5.2 Cable Damage Assumptions 2.4-9 2.4.1.6 Associated Circuits and Other Electrical Issues 2.4-10 2.4.1.6.1 Common Power Source Associated Circuits 2.4-10 2.4.1.6.2 Common Enclosure Associated Circuits 2.4-11 2.4.1.6.3 Multiple High Impedance Faults (MHIF) 2.4-12 2.4.1.6.4 Spurious Operations 2.4-14 xii
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.1.6.5 Cable Fireproofing Material 2.4-15 2.4.1.7 Assumptions 2.4-15 2.4.1.8 Repairs 2.4-18 2.4.1.9 Staffing Requirements for Safe Shutdown 2.4-18 2.4.2 Fire Area/Zone Safe Shutdown Analysis 2.4-19 2.4.2.1 Unit 1 Containment (Fire Zone 1-1) 2.4-20 2.4.2.2 Unit 2 Containment (Fire Zone 1-2) 2.4-24 2.4.2.3 Control Room (Fire Zone 2.1-0) 2.4-29 2.4.2.4 Record Storage Room (Fire Zone 2.1-1) 2.4-49 2.4.2.5 Record Storage/Toilet Room (Fire Zone 2.1-2) 2.4-49 2.4.2.6 Unit 1 Cable Tunnel (Fire Zone 3.1-1) 2.4-49 2.4.2.7 Unit 2 Cable Tunnel (Fire Zone 3.1-2) 2.4-53 2.4.2.8 Auxiliary Building El. 439-0 (Fire Zone 3.2-0) 2.4-56 2.4.2.9 Unit 1 Non-segregated Bus Duct Area (Fire Zone 3.2A-1) 2.4-64 2.4.2.10 Unit 2 Non-segregated Bus Duct Area (Fire Zone 3.2A-2) 2.4-70 2.4.2.11 Lower Cable Spreading Room, Zone B-1 (Fire Zone 3.2B-1) 2.4-75 2.4.2.12 Lower Cable Spreading Room, Zone B-2 (Fire Zone 3.2B-2) 2.4-80 2.4.2.13 Lower Cable Spreading Room, Zone C-1 (Fire Zone 3.2C-1) 2.4-86 2.4.2.14 Lower Cable Spreading Room, Zone C-2 (Fire Zone 3.2C-2) 2.4-93 2.4.2.15 Lower Cable Spreading Room, Zone D-1 (Fire Zone 3.2D-1) 2.4-100 2.4.2.16 Lower Cable Spreading Room, Zone D-2 (Fire Zone 3.2D-2) 2.4-106 2.4.2.17 Division 11 Cable Riser Area, Lower CSR (Fire Zone 3.2E-1) 2.4-109 2.4.2.18 Division 21 Cable Riser Area, Lower CSR (Fire Zone 3.2E-2) 2.4-115 2.4.2.19 Upper Cable Spreading Room, Zone A-1 (Fire Zone 3.3A-1) 2.4-120 2.4.2.20 Upper Cable Spreading Room, Zone A-2 (Fire Zone 3.3A-2) 2.4-124 2.4.2.21 Upper Cable Spreading Room, Zone B-1 (Fire Zone 3.3B-1) 2.4-127 2.4.2.22 Upper Cable Spreading Room, Zone B-2 (Fire Zone 3.3B-2) 2.4-132 2.4.2.23 Upper Cable Spreading Room, Zone C-1 (Fire Zone 3.3C-1) 2.4-138 2.4.2.24 Upper Cable Spreading Room, Zone C-2 (Fire Zone 3.3C-2) 2.4-146 2.4.2.25 Upper Cable Spreading Room, Zone D-1 (Fire Zone 3.3D-1) 2.4-153 xiii
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.2.26 Upper Cable Spreading Room, Zone D-2 (Fire Zone 3.3D-2) 2.4-159 2.4.2.27 Unit 1 Cable Riser Area, El. 451 (Fire Zone 3.4A-1) 2.4-165 2.4.2.28 Unit 2 Cable Riser Area, El. 451 (Fire Zone 3.4A-2) 2.4-171 2.4.2.29 Unit 1 Computer Room (Fire Zone 4.1-1) 2.4-176 2.4.2.30 Unit 2 Computer Room (Fire Zone 4.1-2) 2.4-178 2.4.2.31 Division 12 ESF Switchgear Room (Fire Zone 5.1-1) 2.4-180 2.4.2.32 Division 22 ESF Switchgear Room (Fire Zone 5.1-2) 2.4-182 2.4.2.33 Division 11 ESF Switchgear Room (Fire Zone 5.2-1) 2.4-185 2.4.2.34 Division 21 ESF Switchgear Room (Fire Zone 5.2-2) 2.4-189 2.4.2.35 Unit 1 Non-ESF Switchgear Room (Fire Zone 5.3-1) 2.4-192 2.4.2.36 Unit 2 Non-ESF Switchgear Room (Fire Zone 5.3-2) 2.4-194 2.4.2.37 Division 12 Miscellaneous Electrical Equipment & Battery Room 2.4-196 (Fire Zone 5.4-1) 2.4.2.38 Division 22 Miscellaneous Electrical Equipment & Battery Room 2.4-201 (Fire Zone 5.4-2) 2.4.2.39 Unit 1 Auxiliary Electrical Equipment Room (Fire Zone 5.5-1) 2.4-204 2.4.2.40 Unit 2 Auxiliary Electrical Equipment Room (Fire Zone 5.5-2) 2.4-212 2.4.2.41 Division 11 Miscellaneous Electrical Equipment & Battery Room 2.4-218 (Fire Zone 5.6-1) 2.4.2.42 Division 21 Miscellaneous Electrical Equipment & Battery Room 2.4-221 (Fire Zone 5.6-2) 2.4.2.43 Unit 1 BOP Battery Room (Fire Zone 7.1-1) 2.4-223 2.4.2.44 Unit 2 BOP Battery Room (Fire Zone 7.1-2) 2.4-223 2.4.2.45 Clean and Dirty Oil Tank Room (Fire Zone 8.1-0) 2.4-223 2.4.2.46 Unit 1 Turbine Building Basement (Fire Zone 8.2-1) 2.4-223 2.4.2.47 Unit 2 Turbine Building Basement (Fire Zone 8.2-2) 2.4-223 2.4.2.48 Unit 1 Turbine Building Grade Floor (Fire Zone 8.3-1) 2.4-224 2.4.2.49 Unit 2 Turbine Building Grade Floor (Fire Zone 8.3-2) 2.4-225 2.4.2.50 Unit 1 Auxiliary Boiler Room (Fire Zone 8.4-1) 2.4-227 2.4.2.51 Unit 2 Auxiliary Boiler Room (Fire Zone 8.4-2) 2.4-227 2.4.2.52 Unit 1 Turbine Building Mezzanine Floor (Fire Zone 8.5-1) 2.4-227 2.4.2.53 Unit 2 Turbine Building Mezzanine Floor (Fire Zone 8.5-2) 2.4-229 xiv
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.2.54 Turbine Building Operating Floor (Fire Zone 8.6-0) 2.4-230 2.4.2.55 Station Auxiliary Diesel Generator Room (Fire Zone 8.7A-0) 2.4-232 2.4.2.56 Station Auxiliary Diesel Oil Tank Room (Fire Zone 8.7B-0) 2.4-233 2.4.2.57 Diesel Generator 1B Room (Fire Zone 9.1-1) 2.4-233 2.4.2.58 Diesel Generator 2B Room (Fire Zone 9.1-2) 2.4-235 2.4.2.59 Diesel Generator 1A Room (Fire Zone 9.2-1) 2.4-237 2.4.2.60 Diesel Generator 2A Room (Fire Zone 9.2-2) 2.4-239 2.4.2.61 Diesel Generator 1A Day Tank Room (Fire Zone 9.3-1) 2.4-240 2.4.2.62 Diesel Generator 2A Day Tank Room (Fire Zone 9.3-2) 2.4-242 2.4.2.63 Diesel Generator 1B Day Tank Room (Fire Zone 9.4-1) 2.4-244 2.4.2.64 Diesel Generator 2B Day Tank Room (Fire Zone 9.4-2) 2.4-245 2.4.2.65 Diesel Fuel Oil Storage Tank Room 1B (Fire Zone 10.1-1) 2.4-247 2.4.2.66 Diesel Fuel Oil Storage Tank Room 2B (Fire Zone 10.1-2) 2.4-248 2.4.2.67 Diesel Fuel Oil Storage Tank Room 1A (Fire Zone 10.2-1) 2.4-250 2.4.2.68 Diesel Fuel Oil Storage Tank Room 2A (Fire Zone 10.2-2) 2.4-252 2.4.2.69 Unit 1 Auxiliary Building Basement El. 330 (Fire Zone 11.1A-0) 2.4-254 2.4.2.70 Unit 2 Auxiliary Building Basement El. 330 (Fire Zone 11.1B-0) 2.4-256 2.4.2.71 Auxiliary Building General Area El. 346 (Fire Zone 11.2-0) 2.4-259 2.4.2.72 Residual Heat Removal Pump 1A Room (Fire Zone 11.2A-1) 2.4-268 2.4.2.73 Residual Heat Removal Pump 2A Room (Fire Zone 11.2A-2) 2.4-270 2.4.2.74 Containment Spray Pump 1A Room (Fire Zone 11.2B-1) 2.4-271 2.4.2.75 Containment Spray Pump 2A Room (Fire Zone 11.2B-2) 2.4-273 2.4.2.76 Containment Spray Pump 1B Room (Fire Zone 11.2C-1) 2.4-275 2.4.2.77 Containment Spray Pump 2B Room (Fire Zone 11.2C-2) 2.4-277 2.4.2.78 Residual Heat Removal Pump 1B Room (Fire Zone 11.2D-1) 2.4-279 2.4.2.79 Residual Heat Removal Pump 2B Room (Fire Zone 11.2D-2) 2.4-281 2.4.2.80 Auxiliary Building General Area, El. 364 (Fire Zone 11.3-0) 2.4-282 2.4.2.81 Unit 1 Containment Pipe Penetration Area (Fire Zone 11.3-1) 2.4-299 2.4.2.82 Unit 2 Containment Pipe Penetration Area (Fire Zone 11.3-2) 2.4-306 2.4.2.83 Safety Injection Pump 1A Room (Fire Zone 11.3A-1) 2.4-313 2.4.2.84 Safety Injection Pump 2A Room (Fire Zone 11.3A-2) 2.4-315 xv
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.2.85 Residual Heat Removal HX 1A Room (Fire Zone 11.3B-1) 2.4-316 2.4.2.86 Residual Heat Removal HX 2A Room (Fire Zone 11.3B-2) 2.4-318 2.4.2.87 Unit 1 Positive Displacement Charging Pump Room 2.4-319 (Fire Zone 11.3C-1) 2.4.2.88 Unit 2 Positive Displacement Charging Pump Room 2.4-320 (Fire Zone 11.3C-2) 2.4.2.89 Centrifugal Charging Pump 1A Room (Fire Zone 11.3D-1) 2.4-320 2.4.2.90 Centrifugal Charging Pump 2A Room (Fire Zone 11.3D-2) 2.4-322 2.4.2.91 Residual Heat Removal HX 1B Room (Fire Zone 11.3E-1) 2.4-323 2.4.2.92 Residual Heat Removal HX 2B Room (Fire Zone 11.3E-2) 2.4-324 2.4.2.93 Safety Injection Pump 1B Room (Fire Zone 11.3F-1) 2.4-325 2.4.2.94 Safety Injection Pump 2B Room (Fire Zone 11.3F-2) 2.4-327 2.4.2.95 Centrifugal Charging Pump 1B Room (Fire Zone 11.3G-1) 2.4-328 2.4.2.96 Centrifugal Charging Pump 2B Room (Fire Zone 11.3G-2) 2.4-329 2.4.2.97 Auxiliary Building General Area, El. 383 (Fire Zone 11.4-0) 2.4-331 2.4.2.98 Control Room Refrigeration Equipment Room 2.4-349 (Fire Zone 11.4A-0) 2.4.2.99 Unit 1 Auxiliary Feedwater Pump 1B Room (Fire Zone 11.4A-1) 2.4-351 2.4.2.100 Unit 2 Auxiliary Feedwater Pump 2B Room (Fire Zone 11.4A-2) 2.4-352 2.4.2.101 Radwaste / RSP Ventilation Control Room (Fire Zone 11.4B-0) 2.4-354 2.4.2.102 Unit 1 Seal Water HX Room (Fire Zone 11.4B-1) 2.4-354 2.4.2.103 Unit 2 Seal Water HX Room (Fire Zone 11.4B-2) 2.4-354 2.4.2.104 Radwaste/Remote Shutdown Control Room (Fire Zone 11.4C-0) 2.4-354 2.4.2.105 Letdown HX 1A Room (Fire Zone 11.4C-1) 2.4-359 2.4.2.106 Letdown HX 2A Room (Fire Zone 11.4C-2) 2.4-360 2.4.2.107 Letdown HX 1B Room (Fire Zone 11.4D-1) 2.4-361 2.4.2.108 Letdown HX 2B Room (Fire Zone 11.4D-2) 2.4-361 2.4.2.109 Auxiliary Building General Area, El. 401 (Fire Zone 11.5-0) 2.4-362 2.4.2.110 Unit 1 Containment Refrigeration Equipment Room 2.4-381 (Fire Zone 11.5-1) 2.4.2.111 Unit 2 Containment Refrigeration Equipment Room 2.4-382 (Fire Zone 11.5-2) 2.4.2.112 Radiological Equipment Calibration Room (Fire Zone 11.5A-0) 2.4-384 xvi
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.2.113 Division 11 Containment Electrical Penetration Area, El. 414 2.4-386 (Fire Zone 11.5A-1) 2.4.2.114 Division 21 Containment Electrical Penetration Area, El. 414 2.4-390 (Fire Zone 11.5A-2) 2.4.2.115 Division 12 Cable Riser Area (Fire Zone 11.5B-1) 2.4-393 2.4.2.116 Division 22 Cable Riser Area (Fire Zone 11.5B-2) 2.4-397 2.4.2.117 Auxiliary Building General Area, El. 426 (Fire Zone 11.6-0) 2.4-400 2.4.2.118 Division 12 Containment Electrical Penetration Area, El. 426 2.4-418 (Fire Zone 11.6-1) 2.4.2.119 Division 22 Containment Electrical Penetration Area, El. 426 2.4-423 (Fire Zone 11.6-2) 2.4.2.120 Laboratory HVAC Equipment Room (Fire Zone 11.6A-0) 2.4-427 2.4.2.121 Unit 1 Volume Control Tank Room (Fire Zone 11.6A-1) 2.4-429 2.4.2.122 Unit 2 Volume Control Tank Room (Fire Zone 11.6A-2) 2.4-431 2.4.2.123 Auxiliary Building Offices, El. 426 (Fire Zone 11.6B-0) 2.4-433 2.4.2.124 Auxiliary Building Laundry Room, El. 426 (Fire Zone 11.6C-0) 2.4-436 2.4.2.125 Auxiliary Building Showers/Decon/Change Area, El. 426 2.4-439 (Fire Zone 11.6D-0) 2.4.2.126 Auxiliary Building Decon/Storage Area, El. 426 2.4-439 (Fire Zone 11.6E-0) 2.4.2.127 Auxiliary Building HVAC Exhaust Complex (Fire Zone 11.7-0) 2.4-441 2.4.2.128 Unit 1 Purge Room (Fire Zone 11.7-1) 2.4-442 2.4.2.129 Unit 2 Purge Room (Fire Zone 11.7-2) 2.4-443 2.4.2.130 Fuel Handling Building (Fire Zone 12.1-0) 2.4-444 2.4.2.131 QA Vault (Fire Zone 13) 2.4-445 2.4.2.132 Radwaste Drumming Station and Tunnel (Fire Zone 14.1-0) 2.4-445 2.4.2.133 Radwaste Evaporator Tank/Spent Resin Pump Room 2.4-446 (Fire Zone 14.2-0) 2.4.2.134 Surface Condenser Room (Fire Zone 14.3-0) 2.4-446 2.4.2.135 Spent Resin Tank/Waste Gas Compressor Room 2.4-446 (Fire Zone 14.4-0) 2.4.2.136 Radwaste Evaporator Room (Fire Zone 14.5-0) 2.4-446 2.4.2.137 Radwaste Building Ground Floor (Fire Zone 14.6-0) 2.4-447 2.4.2.138 Unit 1 Refueling Water Storage Tank (Fire Zone 16.1-1) 2.4-447 xvii
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.2.139 Unit 2 Refueling Water Storage Tank (Fire Zone 16.1-2) 2.4-447 2.4.2.140 Cooling Tower Unit 1 (Fire Zone 17.1-1) 2.4-448 2.4.2.141 Cooling Tower Unit 2 (Fire Zone 17.1-2) 2.4-448 2.4.2.142 Unit 1 Essential Service Water Cooling Tower (Fire Zone 17.2-1) 2.4-448 2.4.2.143 Unit 2 Essential Service Water Cooling Tower (Fire Zone 17.2-2) 2.4-449 2.4.2.144 Diesel Generator 1B/Switchgear Room Air Shaft 2.4-449 (Fire Zone 18.1-1) 2.4.2.145 Diesel Generator 2B/Switchgear Room Air Shaft 2.4-451 (Fire Zone 18.1-2) 2.4.2.146 Diesel Generator 1A/Switchgear Room Air Shaft 2.4-453 (Fire Zone 18.2-1) 2.4.2.147 Diesel Generator 2A/Switchgear Room Air Shaft 2.4-455 (Fire Zone 18.2-2) 2.4.2.148 Unit 1 Main Steam/AFW Pipe Tunnel (Fire Zone 18.3-1) 2.4-456 2.4.2.149 Unit 2 Main Steam/AFW Pipe Tunnel (Fire Zone 18.3-2) 2.4-459 2.4.2.150 Train A Control Room HVAC Equipment Room 2.4-461 (Fire Zone 18.4-1) 2.4.2.151 Train B Control Room HVAC Equipment Room 2.4-464 (Fire Zone 18.4-2) 2.4.2.152 Kitchen/Locker Area El. 451 (Fire Zone 18.5-1) 2.4-467 2.4.2.153 Security Control Center El. 451 (Fire Zone 18.5-2) 2.4-467 2.4.2.154 Main Power Transformer 1E (Fire Zone 18.10A-1) 2.4-467 2.4.2.155 Main Power Transformer 2E (Fire Zone 18.10A-2) 2.4-467 2.4.2.156 Main Power Transformer 1W (Fire Zone 18.10B-1) 2.4-467 2.4.2.157 Main Power Transformer 2W (Fire Zone 18.10B-2) 2.4-467 2.4.2.158 Unit Auxiliary Transformer 141-1 (Fire Zone 18.10C-1) 2.4-467 2.4.2.159 Unit Auxiliary Transformer 241-1 (Fire Zone 18.10C-2) 2.4-468 2.4.2.160 Unit Auxiliary Transformer 141-2 (Fire Zone 18.10D-1) 2.4-468 2.4.2.161 Unit Auxiliary Transformer 241-2 (Fire Zone 18.10D-2) 2.4-468 2.4.2.162 System Auxiliary Transformers 142-1/142-2 (Fire Zone 18.10E-1) 2.4-468 2.4.2.163 System Auxiliary Transformers 242-1/242-2 (Fire Zone 18.10E-2) 2.4-469 2.4.2.164 Byron River Screen House (Fire Zone 18.11-0) 2.4-469 2.4.2.165 Byron River Screen House DO Tank Room 1 (Fire Zone 18.11-1) 2.4-470 xviii
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.2.166 Byron River Screen House DO Tank Room 2 (Fire Zone 18.11-2) 2.4-470 2.4.2.167 ESW Cooling Tower Electrical Substation, Division 12 2.4-471 (Fire Zone 18.14A-1) 2.4.2.168 ESW Cooling Tower Electrical Substation, Division 22 2.4-473 (Fire Zone 18.14A-2) 2.4.2.169 ESW Cooling Tower Electrical Substation, Division 11 2.4-474 (Fire Zone 18.14B-1) 2.4.2.170 ESW Cooling Tower Electrical Substation, Division 21 2.4-476 (Fire Zone 18.14B-2) 2.4.2.171 Condensate Storage Tank Area (Fire Zone 18.23-0) 2.4-478 2.4.2.172 Security Diesel Motor Control Center Elev. 426-0 2.4-479 (Fire Zone 18.35-0) 2.4.2.173 Relay House (Fire Zone 18.36-0) 2.4-479 2.4.2.174 ESW Return Valve Pit @ Braidwood Cooling Lake 2.4-479 (Fire Zone 18.39-0) 2.4.3 Identification and Analysis of High-Low Pressure Interfaces 2.4-479 2.4.3.1 RHR Pump Suction Lines 2.4-479 2.4.3.2 Pressurizer PORVs and Block Valves 2.4-480 2.4.3.3 Reactor Vessel Head Vent Valves 2.4-482 2.4.3.4 Normal Letdown Line 2.4-483 2.4.3.5 Excess Letdown Line 2.4-483 2.4 Safe Shutdown Analysis (BRAIDWOOD) 2.4-1 2.4.1 Introduction 2.4-1 2.4.1.1 Purpose 2.4-1 2.4.1.2 Analysis Criteria 2.4-1 2.4.1.3 Evaluation Methodology 2.4-2 2.4.1.4 Identification of Safe Shutdown Equipment 2.4-3 2.4.1.5 Cable Selection Criteria and Damage Assumptions 2.4-6 2.4.1.5.1 Cable Selection Criteria 2.4-6 2.4.1.5.2 Cable Damage Assumptions 2.4-8 2.4.1.6 Associated Circuits and Other Electrical Issues 2.4-9 xix
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.1.6.1 Common Power Source Associated Circuits 2.4-9 2.4.1.6.2 Common Enclosure Associated Circuits 2.4-10 2.4.1.6.3 Multiple High Impedance Faults (MHIF) 2.4-11 2.4.1.6.4 Spurious Operations 2.4-13 2.4.1.6.5 Cable Fire Proofing Material 2.4-13 2.4.1.7 Assumptions 2.4-14 2.4.1.8 Repairs 2.4-17 2.4.1.9 Staffing Requirements for Safe Shutdown 2.4-18 2.4.2 Fire Area/Zone Safe Shutdown Analysis 2.4-18 2.4.2.1 Unit 1 Containment (Fire Zone 1-1) 2.4-19 2.4.2.2 Unit 2 Containment (Fire Zone 1-2) 2.4-24 2.4.2.3 Control Room (Fire Zone 2.1-0) 2.4-29 2.4.2.4 Record Storage Room (Fire Zone 2.1-1) 2.4-48 2.4.2.5 Record Storage/Toilet Room (Fire Zone 2.1-2) 2.4-48 2.4.2.6 Unit 1 Cable Tunnel (Fire Zone 3.1-1) 2.4-49 2.4.2.7 Unit 2 Cable Tunnel (Fire Zone 3.1-2) 2.4-54 2.4.2.8 Auxiliary Building El. 439-0 (Fire Zone 3.2-0) 2.4-57 2.4.2.9 Unit 1 Non-segregated Bus Duct Area (Fire Zone 3.2A-1) 2.4-63 2.4.2.10 Unit 2 Non-segregated Bus Duct Area (Fire Zone 3.2A-2) 2.4-69 2.4.2.11 Lower Cable Spreading Room, Zone B-1 (Fire Zone 3.2B-1) 2.4-73 2.4.2.12 Lower Cable Spreading Room, Zone B-2 (Fire Zone 3.2B-2) 2.4-79 2.4.2.13 Lower Cable Spreading Room, Zone C-1 (Fire Zone 3.2C-1) 2.4-84 2.4.2.14 Lower Cable Spreading Room, Zone C-2 (Fire Zone 3.2C-2) 2.4-91 2.4.2.15 Lower Cable Spreading Room, Zone D-1 (Fire Zone 3.2D-1) 2.4-98 2.4.2.16 Lower Cable Spreading Room, Zone D-2 (Fire Zone 3.2D-2) 2.4-104 2.4.2.17 Division 11 Cable Riser Area, Lower CSR (Fire Zone 3.2E-1) 2.4-108 2.4.2.18 Division 21 Cable Riser Area, Lower CSR (Fire Zone 3.2E-2) 2.4-113 2.4.2.19 Upper Cable Spreading Room, Zone A-1 (Fire Zone 3.3A-1) 2.4-119 2.4.2.20 Upper Cable Spreading Room, Zone A-2 (Fire Zone 3.3A-2) 2.4-123 2.4.2.21 Upper Cable Spreading Room, Zone B-1 (Fire Zone 3.3B-1) 2.4-126 xx
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.2.22 Upper Cable Spreading Room, Zone B-2 (Fire Zone 3.3B-2) 2.4-131 2.4.2.23 Upper Cable Spreading Room, Zone C-1 (Fire Zone 3.3C-1) 2.4-137 2.4.2.24 Upper Cable Spreading Room, Zone C-2 (Fire Zone 3.3C-2) 2.4-144 2.4.2.25 Upper Cable Spreading Room, Zone D-1 (Fire Zone 3.3D-1) 2.4-151 2.4.2.26 Upper Cable Spreading Room, Zone D-2 (Fire Zone 3.3D-2) 2.4-157 2.4.2.27 Unit 1 Cable Riser Area, El. 451 (Fire Zone 3.4A-1) 2.4-163 2.4.2.28 Unit 2 Cable Riser Area, El. 451 (Fire Zone 3.4A-2) 2.4-168 2.4.2.29 Unit 1 Computer Room (Fire Zone 4.1-1) 2.4-174 2.4.2.30 Unit 2 Computer Room (Fire Zone 4.1-2) 2.4-175 2.4.2.31 Division 12 ESF Switchgear Room (Fire Zone 5.1-1) 2.4-178 2.4.2.32 Division 22 ESF Switchgear Room (Fire Zone 5.1-2) 2.4-181 2.4.2.33 Division 11 ESF Switchgear Room (Fire Zone 5.2-1) 2.4-183 2.4.2.34 Division 21 ESF Switchgear Room (Fire Zone 5.2-2) 2.4-189 2.4.2.35 Unit 1 Non-ESF Switchgear Room (Fire Zone 5.3-1) 2.4-192 2.4.2.36 Unit 2 Non-ESF Switchgear Room (Fire Zone 5.3-2) 2.4-194 2.4.2.37 Division 12 Miscellaneous Electrical Equipment & Battery Room 2.4-196 (Fire Zone 5.4-1) 2.4.2.38 Division 22 Miscellaneous Electrical Equipment & Battery Room 2.4-200 (Fire Zone 5.4-2) 2.4.2.39 Unit 1 Auxiliary Electrical Equipment Room (Fire Zone 5.5-1) 2.4-203 2.4.2.40 Unit 2 Auxiliary Electrical Equipment Room (Fire Zone 5.5-2) 2.4-210 2.4.2.41 Division 11 Miscellaneous Electrical Equipment & Battery Room 2.4-217 (Fire Zone 5.6-1) 2.4.2.42 Division 21 Miscellaneous Electrical Equipment & Battery Room 2.4-220 (Fire Zone 5.6-2) 2.4.2.43 Unit 1 BOP Battery Room (Fire Zone 7.1-1) 2.4-222 2.4.2.44 Unit 2 BOP Battery Room (Fire Zone 7.1-2) 2.4-222 2.4.2.45 Clean and Dirty Oil Tank Room (Fire Zone 8.1-0) 2.4-222 2.4.2.46 Unit 1 Turbine Building Basement (Fire Zone 8.2-1) 2.4-222 2.4.2.47 Unit 2 Turbine Building Basement (Fire Zone 8.2-2) 2.4-222 2.4.2.48 Unit 1 Turbine Building Grade Floor (Fire Zone 8.3-1) 2.4-223 2.4.2.49 Unit 2 Turbine Building Grade Floor (Fire Zone 8.3-2) 2.4-224 xxi
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.2.50 Unit 1 Auxiliary Boiler Room (Fire Zone 8.4-1) 2.4-226 2.4.2.51 Unit 2 Auxiliary Boiler Room (Fire Zone 8.4-2) 2.4-226 2.4.2.52 Unit 1 Turbine Building Mezzanine Floor (Fire Zone 8.5-1) 2.4-226 2.4.2.53 Unit 2 Turbine Building Mezzanine Floor (Fire Zone 8.5-2) 2.4-227 2.4.2.54 Turbine Building Operating Floor (Fire Zone 8.6-0) 2.4-229 2.4.2.55 Station Auxiliary Diesel Generator Room (Fire Zone 8.7A-0) 2.4-231 2.4.2.56 Station Auxiliary Diesel Oil Tank Room (Fire Zone 8.7B-0) 2.4-231 2.4.2.57 Diesel Generator 1B Room (Fire Zone 9.1-1) 2.4-231 2.4.2.58 Diesel Generator 2B Room (Fire Zone 9.1-2) 2.4-233 2.4.2.59 Diesel Generator 1A Room (Fire Zone 9.2-1) 2.4-235 2.4.2.60 Diesel Generator 2A Room (Fire Zone 9.2-2) 2.4-237 2.4.2.61 Diesel Generator 1A Day Tank Room (Fire Zone 9.3-1) 2.4-239 2.4.2.62 Diesel Generator 2A Day Tank Room (Fire Zone 9.3-2) 2.4-241 2.4.2.63 Diesel Generator 1B Day Tank Room (Fire Zone 9.4-1) 2.4-243 2.4.2.64 Diesel Generator 2B Day Tank Room (Fire Zone 9.4-2) 2.4-245 2.4.2.65 Diesel Fuel Oil Storage Tank Room 1B (Fire Zone 10.1-1) 2.4-246 2.4.2.66 Diesel Fuel Oil Storage Tank Room 2B (Fire Zone 10.1-2) 2.4-248 2.4.2.67 Diesel Fuel Oil Storage Tank Room 1A (Fire Zone 10.2-1) 2.4-250 2.4.2.68 Diesel Fuel Oil Storage Tank Room 2A (Fire Zone 10.2-2) 2.4-252 2.4.2.69 Unit 1 Auxiliary Building Basement El. 330 (Fire Zone 11.1A-0) 2.4-254 2.4.2.70 Unit 2 Auxiliary Building Basement El. 330 (Fire Zone 11.1B-0) 2.4-257 2.4.2.71 Auxiliary Building General Area El. 346 (Fire Zone 11.2-0) 2.4-261 2.4.2.72 Residual Heat Removal Pump 1A Room (Fire Zone 11.2A-1) 2.4-271 2.4.2.73 Residual Heat Removal Pump 2A Room (Fire Zone 11.2A-2) 2.4-273 2.4.2.74 Containment Spray Pump 1A Room (Fire Zone 11.2B-1) 2.4-275 2.4.2.75 Containment Spray Pump 2A Room (Fire Zone 11.2B-2) 2.4-276 2.4.2.76 Containment Spray Pump 1B Room (Fire Zone 11.2C-1) 2.4-278 2.4.2.77 Containment Spray Pump 2B Room (Fire Zone 11.2C-2) 2.4-280 2.4.2.78 Residual Heat Removal Pump 1B Room (Fire Zone 11.2D-1) 2.4-282 2.4.2.79 Residual Heat Removal Pump 2B Room (Fire Zone 11.2D-2) 2.4-284 2.4.2.80 Auxiliary Building General Area, El. 364 (Fire Zone 11.3-0) 2.4-286 xxii
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.2.81 Unit 1 Containment Pipe Penetration Area (Fire Zone 11.3-1) 2.4-303 2.4.2.82 Unit 2 Containment Pipe Penetration Area (Fire Zone 11.3-2) 2.4-310 2.4.2.83 Safety Injection Pump 1A Room (Fire Zone 11.3A-1) 2.4-317 2.4.2.84 Safety Injection Pump 2A Room (Fire Zone 11.3A-2) 2.4-319 2.4.2.85 Residual Heat Removal HX 1A Room (Fire Zone 11.3B-1) 2.4-321 2.4.2.86 Residual Heat Removal HX 2A Room (Fire Zone 11.3B-2) 2.4-322 2.4.2.87 Unit 1 Positive Displacement Charging Pump Room 2.4-324 (Fire Zone 11.3C-1) 2.4.2.88 Unit 2 Positive Displacement Charging Pump Room 2.4-325 (Fire Zone 11.3C-2) 2.4.2.89 Centrifugal Charging Pump 1A Room (Fire Zone 11.3D-1) 2.4-326 2.4.2.90 Centrifugal Charging Pump 2A Room (Fire Zone 11.3D-2) 2.4-328 2.4.2.91 Residual Heat Removal HX 1B Room (Fire Zone 11.3E-1) 2.4-329 2.4.2.92 Residual Heat Removal HX 2B Room (Fire Zone 11.3E-2) 2.4-330 2.4.2.93 Safety Injection Pump 1B Room (Fire Zone 11.3F-1) 2.4-331 2.4.2.94 Safety Injection Pump 2B Room (Fire Zone 11.3F-2) 2.4-333 2.4.2.95 Centrifugal Charging Pump 1B Room (Fire Zone 11.3G-1) 2.4-334 2.4.2.96 Centrifugal Charging Pump 2B Room (Fire Zone 11.3G-2) 2.4-336 2.4.2.97 Auxiliary Building General Area, El. 383 (Fire Zone 11.4-0) 2.4-337 2.4.2.98 Control Room Refrigeration Equipment Room 2.4-355 (Fire Zone 11.4A-0) 2.4.2.99 Unit 1 Auxiliary Feedwater Pump 1B Room (Fire Zone 11.4A-1) 2.4-356 2.4.2.100 Unit 2 Auxiliary Feedwater Pump 2B Room (Fire Zone 11.4A-2) 2.4-358 2.4.2.101 Radwaste / RSP Ventilation Control Room (Fire Zone 11.4B-0) 2.4-359 2.4.2.102 Unit 1 Seal Water HX Room (Fire Zone 11.4B-1) 2.4-360 2.4.2.103 Unit 2 Seal Water HX Room (Fire Zone 11.4B-2) 2.4-360 2.4.2.104 Radwaste/Remote Shutdown Control Room (Fire Zone 11.4C-0) 2.4-360 2.4.2.105 Letdown HX 1A Room (Fire Zone 11.4C-1) 2.4-365 2.4.2.106 Letdown HX 2A Room (Fire Zone 11.4C-2) 2.4-366 2.4.2.107 Letdown HX 1B Room (Fire Zone 11.4D-1) 2.4-366 2.4.2.108 Letdown HX 2B Room (Fire Zone 11.4D-2) 2.4-366 2.4.2.109 Auxiliary Building General Area, El. 401 (Fire Zone 11.5-0) 2.4-367 xxiii
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.2.110 Unit 1 Containment Refrigeration Equipment Room 2.4-387 (Fire Zone 11.5-1) 2.4.2.111 Unit 2 Containment Refrigeration Equipment Room 2.4-388 (Fire Zone 11.5-2) 2.4.2.112 Radiological Equipment Calibration Room (Fire Zone 11.5A-0) 2.4-390 2.4.2.113 Division 11 Containment Electrical Penetration Area, El. 414 2.4-391 (Fire Zone 11.5A-1) 2.4.2.114 Division 21 Containment Electrical Penetration Area, El. 414 2.4-396 (Fire Zone 11.5A-2) 2.4.2.115 Division 12 Cable Riser Area (Fire Zone 11.5B-1) 2.4-400 2.4.2.116 Division 22 Cable Riser Area (Fire Zone 11.5B-2) 2.4-403 2.4.2.117 Auxiliary Building General Area, El. 426 (Fire Zone 11.6-0) 2.4-406 2.4.2.118 Division 12 Containment Electrical Penetration Area, El. 426 2.4-423 (Fire Zone 11.6-1) 2.4.2.119 Division 22 Containment Electrical Penetration Area, El. 426 2.4-428 (Fire Zone 11.6-2) 2.4.2.120 Laboratory HVAC Equipment Room (Fire Zone 11.6A-0) 2.4-433 2.4.2.121 Unit 1 Volume Control Tank Room (Fire Zone 11.6A-1) 2.4-435 2.4.2.122 Unit 2 Volume Control Tank Room (Fire Zone 11.6A-2) 2.4-436 2.4.2.123 Auxiliary Building Offices, El. 426 (Fire Zone 11.6B-0) 2.4-438 2.4.2.124 Auxiliary Building Laundry Room, El. 426 (Fire Zone 11.6C-0) 2.4-442 2.4.2.125 Auxiliary Building Showers/Decon/Change Area, El. 426 2.4-447 (Fire Zone 11.6D-0) 2.4.2.126 Auxiliary Building Decon/Storage Area, El. 426 2.4-448 (Fire Zone 11.6E-0) 2.4.2.127 Auxiliary Building HVAC Exhaust Complex (Fire Zone 11.7-0) 2.4-448 2.4.2.128 Unit 1 Purge Room (Fire Zone 11.7-1) 2.4-450 2.4.2.129 Unit 2 Purge Room (Fire Zone 11.7-2) 2.4-451 2.4.2.130 Fuel Handling Building (Fire Zone 12.1-0) 2.4-451 2.4.2.131 QA Vault (Fire Zone 13) 2.4-452 2.4.2.132 Radwaste Drumming Station and Tunnel (Fire Zone 14.1-0) 2.4-452 2.4.2.133 Radwaste Evaporator Tank/Spent Resin Pump Room 2.4-453 (Fire Zone 14.2-0) 2.4.2.134 Surface Condenser Room (Fire Zone 14.3-0) 2.4-453 xxiv
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.2.135 Spent Resin Tank/Waste Gas Compressor Room 2.4-453 (Fire Zone 14.4-0) 2.4.2.136 Radwaste Evaporator Room (Fire Zone 14.5-0) 2.4-453 2.4.2.137 Radwaste Building Ground Floor (Fire Zone 14.6-0) 2.4-453 2.4.2.138 Unit 1 Refueling Water Storage Tank (Fire Zone 16.1-1) 2.4-453 2.4.2.139 Unit 2 Refueling Water Storage Tank (Fire Zone 16.1-2) 2.4-454 2.4.2.140 Cooling Tower Unit 1 (Fire Zone 17.1-1) 2.4-455 2.4.2.141 Cooling Tower Unit 2 (Fire Zone 17.1-2) 2.4-455 2.4.2.142 Unit 1 Essential Service Water Cooling Tower (Fire Zone 17.2-1) 2.4-455 2.4.2.143 Unit 2 Essential Service Water Cooling Tower (Fire Zone 17.2-2) 2.4-455 2.4.2.144 Diesel Generator 1B/Switchgear Room Air Shaft 2.4-455 (Fire Zone 18.1-1) 2.4.2.145 Diesel Generator 2B/Switchgear Room Air Shaft 2.4-457 (Fire Zone 18.1-2) 2.4.2.146 Diesel Generator 1A/Switchgear Room Air Shaft 2.4-459 (Fire Zone 18.2-1) 2.4.2.147 Diesel Generator 2A/Switchgear Room Air Shaft 2.4-461 (Fire Zone 18.2-2) 2.4.2.148 Unit 1 Main Steam/AFW Pipe Tunnel (Fire Zone 18.3-1) 2.4-463 2.4.2.149 Unit 2 Main Steam/AFW Pipe Tunnel (Fire Zone 18.3-2) 2.4-465 2.4.2.150 Train A Control Room HVAC Equipment Room 2.4-467 (Fire Zone 18.4-1) 2.4.2.151 Train B Control Room HVAC Equipment Room 2.4-470 (Fire Zone 18.4-2) 2.4.2.152 Kitchen/Locker Area El. 451 (Fire Zone 18.5-1) 2.4-473 2.4.2.153 Security Control Center El. 451 (Fire Zone 18.5-2) 2.4-473 2.4.2.154 Main Power Transformer 1E (Fire Zone 18.10A-1) 2.4-473 2.4.2.155 Main Power Transformer 2E (Fire Zone 18.10A-2) 2.4-473 2.4.2.156 Main Power Transformer 1W (Fire Zone 18.10B-1) 2.4-473 2.4.2.157 Main Power Transformer 2W (Fire Zone 18.10B-2) 2.4-473 2.4.2.158 Unit Auxiliary Transformer 141-1 (Fire Zone 18.10C-1) 2.4-474 2.4.2.159 Unit Auxiliary Transformer 241-1 (Fire Zone 18.10C-2) 2.4-474 2.4.2.160 Unit Auxiliary Transformer 141-2 (Fire Zone 18.10D-1) 2.4-474 xxv
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 2.4.2.161 Unit Auxiliary Transformer 241-2 (Fire Zone 18.10D-2) 2.4-474 2.4.2.162 System Auxiliary Transformers 142-1/142-2 (Fire Zone 18.10E-1) 2.4-474 2.4.2.163 System Auxiliary Transformers 242-1/242-2 (Fire Zone 18.10E-2) 2.4-475 2.4.2.164 Byron River Screen House (Fire Zone 18.11-0) 2.4-475 2.4.2.165 Byron River Screen House DO Tank Room 1 (Fire Zone 18.11-1) 2.4-475 2.4.2.166 Byron River Screen House DO Tank Room 2 (Fire Zone 18.11-2) 2.4-475 2.4.2.167 ESW Cooling Tower Electrical Substation, Division 12 2.4-475 (Fire Zone 18.14A-1) 2.4.2.168 ESW Cooling Tower Electrical Substation, Division 22 2.4-475 (Fire Zone 18.14A-2) 2.4.2.169 ESW Cooling Tower Electrical Substation, Division 11 2.4-476 (Fire Zone 18.14B-1) 2.4.2.170 ESW Cooling Tower Electrical Substation, Division 21 2.4-476 (Fire Zone 18.14B-2) 2.4.2.171 Condensate Storage Tank Area (Fire Zone 18.23-0) 2.4-476 2.4.2.172 Security Diesel Motor Control Center Elev. 426-0 2.4-476 (Fire Zone 18.35-0) 2.4.2.173 Relay House (Fire Zone 18.36-0) 2.4-476 2.4.2.174 ESW Return Valve Pit and Braidwood Cooling Lake 2.4-477 (Fire Zone 18.39-0) 2.4.3 Identification and Analysis of High-Low Pressure Interfaces 2.4-477 2.4.3.1 RHR Pump Suction Lines 2.4-478 2.4.3.2 Pressurizer PORVs and Block Valves 2.4-479 2.4.3.3 Reactor Vessel Head Vent Valves 2.4-481 2.4.3.4 Normal Letdown Line 2.4-482 2.4.3.5 Excess Letdown Line 2.4-482 3.0 GUIDELINES OF BTP CMEB 9.5-1 (BYRON/BRAIDWOOD) 3.1-1 3.1 FIRE PROTECTION REQUIREMENTS (BYRON/BRAIDWOOD) 3.1-1 3.2 ADMINISTRATIVE CONTROLS (BYRON/BRAIDWOOD) 3.2-1 xxvi
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page 3.3 FIRE BRIGADE (BYRON/BRAIDWOOD) 3.3-1 3.4 QUALITY ASSURANCE PROGRAM (BYRON/BRAIDWOOD) 3.4-1 3.5 General Plant Guidelines 3.5-1 3.6 Fire Detection and Suppression 3.6-1 3.7 Guidelines for Specific Plant Areas 3.7-1 3.8 Special Protection Guidelines 3.8-1 3.9 NFPA Code Review 3.9-1 4.0 Proposed Technical Specification Revisions 4.0-1 Appendix 5.1 Resumes of Fire Protection Engineers and Consultants A5.1-1 Appendix 5.2 Cable Systems Criteria A5.2-1 Appendix 5.3 Classification Criteria for Safety Related Structures, Systems and A5.3-1 Components Appendix 5.4 Fire Protection Systems Descriptions A5.4-1 Appendix 5.5 Glossary of Terms A5.5-1 Appendix 5.6 Regulatory Guide 1.120 Fire Protection for Nuclear Power A5.6-1 Plants, Rev 1 November 1977 xxvii
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT TABLE OF CONTENTS Number Title Page Appendix 5.7 Appendix R - Fire Protection Program for Nuclear Power A5.7-1 Facilities Operating Prior to January 1, 1979 Appendix 5.8 Deviation from BTP CMEB 9.5.-1 Section C.5.b A5.8.1-iii xxviii
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT LIST OF TABLES Number Title Page 2.2-1 Plant Fire Areas 2.2-2 2.2-2 Fire Hazards Analysis Equipment Tabulation 2.2-3 2.2-3 Fire Hazards Analysis Data Tabulation 2.2-19 Byron Tables 2.4-1 Systems Required to Perform Safe Shutdown Functions Table 2.4-1, Sheet 1 2.4-2 Safe Shutdown Equipment List Table 2.4-2, Sheet 1 2.4-3 Fire Zone Repair Description Table 2.4-3, Sheet 1 2.4-4 Safe Shutdown Equipment and Cables Listed by Fire Table 2.4-4, Sheet 1 Zone 2.4-5 Remote Shutdown Panel (RSP) Instrumentation Table 2.4-5, Sheet 1 2.4-6 Remote Shutdown Panel Controls Table 2.4-6, Sheet 1 Braidwood Tables 2.4-1 Systems Required to Perform Safe Shutdown Functions Table 2.4-1, Page 1 2.4-2 Safe Shutdown Equipment List Table 2.4-2, Page 1 2.4-3 Fire Zone Repair Description Table 2.4-3, Page 1 2.4-4 Safe Shutdown Equipment and Cables Listed by Fire Table 2.4-4, Page 1 Zone 2.4-5 Remote Shutdown Panel Instrumentation Table 2.4-5, Page 1 2.4-6 Remote Shutdown Panel Controls Table 2.4-6, Page 1 xxix
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT LIST OF FIGURES Number Title 1.2-1 Property Development - Byron Station 1.2-2 Property Development - Braidwood Station 2.2-1 Plant Development - Byron 2.2-2 Plant Development - Braidwood 2.2-3 General Arrangement - Roof Plan 2.2-4 General Arrangement - Elevation 475 ft. 6 in.
2.2-5 General Arrangement - Elevation 467 ft. 4 in.
2.2-6 General Arrangement - Elevation 459 ft. 2 in.
2.2-7 General Arrangement - Elevation 463 ft. 4-1/2 in.
2.2-8 General Arrangement - Main Floor at Elevation 451 ft. 0 in.
2.2-9 General Arrangement - Elevation 439 ft. 0 in.
2.2-10 General Arrangement - Mezzanine Floor at Elevation 426 ft. 0 in 2.2-11 General Arrangement - Elevation 414 ft. 0 in.
2.2-12 General Arrangement - Grade Floor at Elevation 401 ft. 0 in.
2.2-13 General Arrangement - Floor Plan at Elevation 383 ft. 0 in.
2.2-14 General Arrangement - Basement Floor at Elevation 364 ft. 0 in.
2.2-15 General Arrangement - Floor Plan at Elevation 346 ft. 0 in.
2.2-16 General Arrangement - Floor Plan at Elevation 330 ft. 0 in.
2.2-17 General Arrangement - Radwaste/Service Building Complex - Elevation 433 ft. 0 in. and 451 ft. 0 in.
2.2-18 General Arrangement - Radwaste/Service Building Complex - Elevation 401 ft. 0 in. and 417 ft. 0 in.
2.2-19 General Arrangement - Fuel Handling Building - Elevation 426 ft. 0 in.
2.2-20 General Arrangement - Fuel Handling Building - Elevation 401 ft. 0 in.
2.2-21 General Arrangement - Section "A-A" 2.2-22 General Arrangement - Section "B-B" 2.2-23 General Arrangement - Section "C-C" 2.2-24 General Arrangement - Section "D-D" 2.2-25 General Arrangement - Section "E-E" 2.2-26 General Arrangement - Section "F-F" 2.2-27 General Arrangement - Circulating Water Pump House (Byron) 2.2-28 General Arrangement - Lake Screen House (Braidwood) 2.2-29 General Arrangement - River Screen House (Byron) 2.2-30 General Arrangement - River Screen House (Braidwood) 2.3-0 Legend and Description 2.3-1 Plant Development - Byron Station 2.3-2 Plant Development - Braidwood 2.3-3 Roof Plan xxx
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT LIST OF FIGURES Number Title 2.3-4 Auxiliary Building Floor at Elevation 475 ft. 6 in.
2.3-5 Auxiliary Building Floor at Elevation 467 ft. 4 in.
2.3-6 Auxiliary Building Floor at Elevation 459 ft. 2 in.
2.3-7 Upper Cable Spreading Area at Elevation 463 ft. 4-1/2 in.
2.3-8 Main Floor at Elevation 451 ft. 0 in.
2.3-9 Lower Cable Spreading Area at Elevation 439 ft. 0 in.
2.3-10 Mezzanine Floor at Elevation 426 ft. 0 in.
2.3-10a M/EM Shop at Elevation 413 ft. 2.5 in.
2.3-10b IM/EM Shop Second Floor Plan at Elevation 426 ft 0 in.
2.3-11 Auxiliary Building Floor at Elevation 414 ft. 0 in.
2.3-12 Grade Floor at Elevation 401 ft. 0 in.
2.3-12a IM/EM Shop Ground Floor Plan at Elevation 401 ft. 0 in.
2.3-13 Floor Plan at Elevation 383 ft. 0 in.
2.3-14 Floor Plan at Elevation 364 ft. 0 in.
2.3-15 Floor Plan at Elevation 346 ft. 0 in.
2.3-16 Floor Plan at Elevation 330 ft. 0 in.
2.3-17 Service Building Third and Fourth Floors Plan 2.3-18 Service/Radwaste Building Complex Ground and Second Floors Plan 2.3-19 Fuel Handling Building Floor at Elevation 426 ft. 0 in.
2.3-20 Auxiliary Building Floor at Elevation 459 ft. 2 in.
2.3-21 Section "A-A" 2.3-22 Section "B-B" 2.3-23 Section "C-C" 2.3-24 Section "D-D" 2.3-25 Section "E-E" 2.3-26 Section "F-F" 2.3-27 Circulating Water Pump House - Byron Station 2.3-28 Lake Screen House - Braidwood Station 2.3-29 River Screen House - Byron Station 2.3-30 River Screen House - Braidwood Station 2.3-31 Essential Service Cooling Tower 2.3-32 Cable Tray Installation - Elevation 463 ft. 4-1.2 in.
2.3-33 Cable Tray Installation - Elevation 451 ft. 0 in.
2.3-34 Cable Tray Installation - Elevation 439 ft. 0 in 2.3-35 Cable Tray Installation - Elevation 426 ft. 0 in 2.3-36 Cable Tray Installation - Elevation 401 ft. 0 in 2.3-37 Cable Tray Installation - Elevation 383 ft. 0 in 2.3-38 Cable Tray Installation - Elevation 364 ft. 0 in 2.3-39 Cable Tray Installation - Elevation 346 ft. 0 in xxxi
B/B AMENDMENT 29 DECEMBER 2020 FIRE PROTECTION REPORT LIST OF FIGURES Number Title 2.3-40 Cable Tray Installation - Elevation 330 ft. 0 in 2.3-41 Technical Support Center and condensate Cleanup Building 2.3-42 Makeup Demineralizer Building - Braidwood Station xxxii
B/B AMENDMENT 29 DECEMBER 2020 Byron/Braidwood Nuclear Stations Fire Protection Report Effective Pages Amendment Index Amendment and Affected pages Date Amendment 29, Table of contents, page index, Chapter 1, 2.0, 2.1, 2.2, 2.3, 2.3 December 2020 Figures, Byron Table 2.4-4, Byron Chapter 3.0, Braidwood section 3.9, Chapter 5.3, Byron 5.4 Figures, and Byron 5.8 1