ML18022A128

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Updated Final Safety Analysis Report (Ufsar), Amendment 27, 2 Table of Contents
ML18022A128
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Site: Browns Ferry  Tennessee Valley Authority icon.png
Issue date: 10/05/2017
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Tennessee Valley Authority
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Office of Nuclear Reactor Regulation
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Download: ML18022A128 (11)


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BFN-26 CHAPTER 2 TABLE OF CONTENTS Page No.

2.1 Summary Description ................................................................................................................ 2.1-1 2.2 Site Description ......................................................................................................................... 2.2-1 2.2.1 Location ..................................................................................................................... 2.2-1 2.2.2 Population .................................................................................................................. 2.2-1 2.2.3 Land Use.................................................................................................................... 2.2-2 2.3 Meteorology............................................................................................................................... 2.3-1 2.3.1 General ...................................................................................................................... 2.3-1 2.3.2 Climatology ................................................................................................................ 2.3-1 2.3.3 Atmospheric Stability ................................................................................................. 2.3-1 2.3.4 Wind ........................................................................................................................... 2.3-2 2.3.5 Temperature and Precipitation ................................................................................... 2.3-5 2.3.6 Storms ....................................................................................................................... 2.3-6 2.3.7 Onsite Meteorological Measurement Program ........................................................... 2.3-7 2.3.8 Conclusions ............................................................................................................... 2.3-10 2.4 Hydrology, Water Quality, and Aquatic Biology ......................................................................... 2.4-1 2.4.1 General ...................................................................................................................... 2.4-1 2.4.2 Hydrology ................................................................................................................... 2.4-1 2.4.3 Water Quality ............................................................................................................. 2.4-5 2.4.4 Water Use .................................................................................................................. 2.4-7 2.4.5 Aquatic Biota .............................................................................................................. 2.4-9 2.4.6 Monitoring Programs .................................................................................................. 2.4-9 2.4.7 Conclusions ............................................................................................................... 2.4-10 Appendix 2.4A Probable Maximum Flood .......................................................................................... 2.4A-i 2.5 Geology and Seismology........................................................................................................... 2.5-1 2.5.1 General ...................................................................................................................... 2.5-1 2.5.2 Geology ..................................................................................................................... 2.5-1 2.5.3 Seismology ................................................................................................................ 2.5-9 2.5.4 Conclusions ............................................................................................................... 2.5-11 2.5.5 Seismic Instrumentation Program .............................................................................. 2.5-11 2.5.6 References................................................................................................................. 2.5-16 2.6 Environmental Radiological Monitoring Program ....................................................................... 2.6-1 2.6.1 General ...................................................................................................................... 2.6-1 2.6.2 Monitoring Program ................................................................................................... 2.6-1 2.0-i

BFN-26 LIST OF TABLES Table Title 2.2-1 (Deleted) 2.2-2 1970 and 1980 Population of all Incorporated Places in 1980 Within 60-Mile Radius of Browns Ferry Site 2.2-3 Cities and Towns Within 60 Miles Having 2,500 or More Residents in 1990 2.2-4 Population Distribution Within 10 Miles of the Site: 1970 - 2020 2.2-5 60-Mile Population Distribution Within 60 Miles of Site: 1970 - 2020 2.2-6 Population Density at Various Distances from the Site: 1970 - 2020 2.2-7 Peak Hour Recreation Visitation Within 10 Miles of the Site: 1986 - 2020 2.2-8 Listing of 1993 School Enrollments and Industrial Employment Within 10 Miles of the Site 2.2-9 Browns Ferry Nuclear Plant Statistical Data for Nearby Counties 2.2-10 Hazardous River Traffic that Passes Browns Ferry Nuclear Plant: 1983-1993 2.2-11 (Deleted) 2.3-1 Joint Percentage Frequencies of Wind Speed by Stability Class 2.3-2 Joint Percentage Frequencies of Wind Speed by Stability Class 2.3-3 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class A 2.3-4 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class B 2.3-5 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class C 2.3-6 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class D 2.3-7 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class E 2.3-8 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class F 2.3-9 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class G 2.3-10 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class 2.3-11 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - January (77, 78, 79) 2.3-12 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - February (77, 78, 79) 2.0-ii

BFN-26 LIST OF TABLES (Cont'd)

Table Title 2.3-13 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - March (77, 78, 79) 2.3-14 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - April (77, 78, 79) 2.3-15 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - May (77, 78, 79) 2.3-16 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - June (77, 78, 79) 2.3-17 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - July (77, 78, 79) 2.3-18 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - August (77, 78, 79) 2.3-19 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - September (77, 78, 79) 2.3-20 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - October (77, 78, 79) 2.3-21 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - November (77, 78, 79) 2.3-22 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - December (77, 78, 79) 2.3-23 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class A 2.3-24 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class B 2.3-25 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class C 2.3-26 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class D 2.3-27 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class E 2.3-28 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class F 2.3-29 Joint Percentage Frequencies of Wind Speed by Wind Direction for Stability Class G 2.3-30 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class 2.0-iii

BFN-26 LIST OF TABLES (Cont'd)

Table Title 2.3-31 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - January (77, 78, 79) 2.3-32 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - February (77, 78, 79) 2.3-33 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - March (77, 78, 79) 2.3-34 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - April (77, 78, 79) 2.3-35 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - May (77, 78, 79) 2.3-36 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - June (77, 78, 79) 2.3-37 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - July (77, 78, 79) 2.3-38 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - August (77, 78, 79) 2.3-39 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - September (77, 78, 79) 2.3-40 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - October (77, 78, 79) 2.3-41 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - November (77, 78, 79) 2.3-42 Joint Percentage Frequencies of Wind Speed by Direction - Disregarding Stability Class - December (77, 78, 79) 2.3-43 Wind Direction Persistence Data - Disregarding Stability - 10 M Level 2.3-44 Wind Direction Persistence Data - Disregarding Stability - 93 M Level 2.3-45 Temperature Data 1879 - 1958 2.3-46 Temperature Data - January 1, 1977 - December 31, 1979 2.3-47 Precipitation Data - Huntsville, Alabama 2.3-48 Precipitation Data - Browns Ferry Nuclear Plant - 1/1/77 - 12/31/79 2.3-49 Snowfall Data 2.0-iv

BFN-26 LIST OF TABLES (Cont'd)

Table Title 2.4-1 (Deleted) 2.4-2 (Deleted) 2.4-3 (Deleted) 2.4-4 Public and Industrial Surface Water Supplies Withdrawn From The 61 Mile Reach of the Tennessee River Between Decatur, Alabama and TVA Colbert Steam Plant 2.4-5 (Deleted) 2.4-6 Private Water Wells Within Two Miles of Browns Ferry Nuclear Plant Stack, June 1995 2.4A Table 1 - Facts about TVA Dams and Reservoirs Table 2 - Unit Hydrograph Data Table 3 - Probable Maximum Flood Rainfall and precipitation Excess Table 4 - (deleted) 2.5-1 Browns Ferry Nuclear Plant - Historical Earthquake Listing 2.0-v

BFN-26 LIST OF ILLUSTRATIONS Figure Title 2.2-1 Browns Ferry Site Location Map Mile Radius 2.2-2 Browns Ferry Site Location Map Mile Radius 2.2-3 Deleted 2.2-4 Location of Principal Plant Structures 2.3-1 Wind Rose Plot Foot Level - Stability Class A 2.3-2 Wind Rose Plot Foot Level - Stability Class B 2.3-3 Wind Rose Plot Foot Level - Stability Class C 2.3-4 Wind Rose Plot Foot Level - Stability Class D 2.3-5 Wind Rose Plot Foot Level - Stability Class E 2.3-6 Wind Rose Plot Foot Level - Stability Class F 2.3-7 Wind Rose Plot Foot Level - Stability Class G 2.3-8 Wind Rose Plot Foot Level - All Stability Classes 1/1/77 - 12/31/79 2.3-9 Wind Rose Plot Foot Level - All Stability Classes January (77, 78, 79) 2.3-10 Wind Rose Plot Foot Level - All Stability Classes February (77, 78, 79) 2.3-11 Wind Rose Plot Foot Level - All Stability Classes March (77, 78, 79) 2.3-12 Wind Rose Plot Foot Level - All Stability Classes April (77, 78, 79) 2.3-13 Wind Rose Plot Foot Level - All Stability Classes May (77, 78, 79) 2.3-14 Wind Rose Plot Foot Level - All Stability Classes June (77, 78, 79) 2.3-15 Wind Rose Plot Foot Level - All Stability Classes July (77, 78, 79) 2.3-16 Wind Rose Plot Foot Level - All Stability Classes August (77, 78, 79) 2.3-17 Wind Rose Plot Foot Level - All Stability Classes September (77, 78, 79) 2.3-18 Wind Rose Plot Foot Level - All Stability Classes October (77, 78, 79) 2.3-19 Wind Rose Plot Foot Level - All Stability Classes November (77, 78, 79) 2.3-20 Wind Rose Plot Foot Level - All Stability Classes December (77, 78, 79) 2.0-vi

BFN-26 LIST OF ILLUSTRATIONS (Cont'd)

Figure Title 2.3-21 Wind Rose Plot - 300-Foot Level - Stability Class A 2.3-22 Wind Rose Plot - 300-Foot Level - Stability Class B 2.3-23 Wind Rose Plot - 300-Foot Level - Stability Class C 2.3-24 Wind Rose Plot - 300-Foot Level - Stability Class D 2.3-25 Wind Rose Plot - 300-Foot Level - Stability Class E 2.3-26 Wind Rose Plot - 300-Foot Level - Stability Class F 2.3-27 Wind Rose Plot - 300-Foot Level - Stability Class G 2.3-28 Wind Rose Plot - 300-Foot Level - All Stability Classes 1/1/77 - 12/31/79 2.3-29 Wind Rose Plot - 300-Foot Level - All Stability Classes January (77 - 79) 2.3-30 Wind Rose Plot - 300-Foot Level - All Stability Classes February (77 - 79) 2.3-31 Wind Rose Plot - 300-Foot Level - All Stability Classes March (77 - 79) 2.3-32 Wind Rose Plot - 300-Foot Level - All Stability Classes April (77 - 79) 2.3-33 Wind Rose Plot - 300-Foot Level - All Stability Classes May (77 - 79) 2.3-34 Wind Rose Plot - 300-Foot Level - All Stability Classes June (77 - 79) 2.3-35 Wind Rose Plot - 300-Foot Level - All Stability Classes July (77 - 79) 2.3-36 Wind Rose Plot - 300-Foot Level - All Stability Classes August (77 - 79) 2.3-37 Wind Rose Plot - 300-Foot Level - All Stability Classes September (77 - 79) 2.3-38 Wind Rose Plot - 300-Foot Level - All Stability Classes October (77 - 79) 2.3-39 Wind Rose Plot - 300-Foot Level - All Stability Classes November (77 - 79) 2.3-40 Wind Rose Plot - 300-Foot Level - All Stability Classes December (77 - 79) 2.4-1 Cross Sections of Wheeler Reservoir at Browns Ferry Site 2.4-1a Location Plan for Cross Sections of Wheeler Reservoir at Browns Ferry Site 2.4-1b Cross Sections of Wheeler Reservoir at Browns Ferry Site - Sheet 1 2.4-1c Cross Sections of Wheeler Reservoir at Browns Ferry Site - Sheet 2 2.4.1d Cross Sections of Wheeler Reservoir at Browns Ferry Site - Sheet 3 2.0-vii

BFN-26 LIST OF ILLUSTRATIONS (Cont'd)

Figure Title 2.4-1e Cross Sections of Wheeler Reservoir at Browns Ferry Site - Sheet 4 2.4-2 Channel Profile - Wheeler Reservoir 2.4-3 Privately owned Groundwater wells - 1 and 2 mile Radius from the Stack 2.4-4 Ground Water Supplies Within 20 Mile Radius of Plant Site 2.4A Figure 1 - TVA River Operations Dam Location Map Figure 2 - Seasonal Operating Curve, Cherokee Figure 3 - Seasonal Operating Curve, Guntersville Figure 4 - Browns Ferry Nuclear Plant Hydrologic Model Unit Areas Figure 5 -

Sheet 1 of 14 - Unit Hydrographs, Areas 1 - 5 Sheet 2 of 14 - Unit Hydrographs, Areas 6 - 9 Sheet 3 of 14 - Unit Hydrographs, Areas 10 - 13 Sheet 4 of 14 - Unit Hydrographs, Areas 14 - 18 Sheet 5 of 14 - Unit Hydrographs, Areas 19 - 22 Sheet 6 of 14 - Unit Hydrographs, Areas 23 - 27 Sheet 7 of 14 - Unit Hydrographs, Areas 33, 34, 36 Sheet 8 of 14 - Unit Hydrographs, Areas 35, 37 Sheet 9 of 14 - Unit Hydrographs, Areas 38, 39, 41, 42 Sheet 10 of 14 - Unit Hydrographs, Areas 40, 43, 44A, 44B Sheet 11 of 14 - Unit Hydrographs, Areas 45, 46, 47A, 47B Sheet 12 of 14 - Unit Hydrographs, Areas 48 - 50 Sheet 13 of 14 - Unit Hydrographs, Areas 51 - 52, 54 - 56, 58, 63 - 65 Sheet 14 of 14 - Unit Hydrographs, Areas 53, 57, 59 - 62 Figure 6 - Hydrologic Model Verification - 1973 Flood, Observed Elevations vs. Computed Elevations Figure 7 - Hydrologic Model Verification - 1973 Flood, Observed Flows vs. Computed Flows Figure 8 - Hydrologic Model Verification - 2004 Flood, Observed Elevations vs. Computed Elevations Figure 9 - Hydrologic Model Verification - 2004 Flood, Observed Flows vs. Computed Flows Figure 10 - Hydrologic Model Verification - Steady State Profiles Figure 11 - Hydrologic Model Verification - Guntersville Tailwater Curve 2.0-viii

BFN-26 LIST OF ILLUSTRATIONS (Cont'd)

Figure Title Figure 12 - Guntersville Hydro Plant, General Plan Elevation and Sections Figure 13 - Probable Maximum Precipitation Isohyets for 21,400 Sq. Mi. Event Figure 14 - Probable Maximum Precipitation Isohyets for 16,170 Sq. Mi. Event Figure 15 - 21,400 Sq. Mi. Downstream Centered March Flood Event for BFN, Design Basis PMF Discharge Figure 16 - 21,400 Sq. Mi. Downstream Centered March Flood Event for BFN, Design Basis PMF Elevation Figure 17 - (Deleted)

Figure 18 - (Deleted)

Figure 19 - (Deleted)

Figure 20 - (Deleted)

Figure 21 - Watershed, Unnamed Tributary Northwest of Plant Figure 22 - General Plan Figure 22a - Plant Topography Figure 22b - Probable Maximum Precipitation Point Rainfall Figure 23 - One Hour Unit Hydrograph for Unnamed Steam Northwest of Plant Figure 24 - Probable Maximum Flood for Unnamed Steam Northwest of Plant Figure 25 - Channel Relocation West of Cooling Towers - Typical Sections Figure 26, Sheet 1 - Channel Relocation West of Cooling Towers Figure 26, Sheet 2 - Channel Relocation West of Cooling Towers 2.5-S1 Foundation Investigation Grid Low Level Radwaste Storage 2.5-S2 Foundation Investigations Grid Low Level Radwaste Storage - Soils Investigation 2.5-S3 Generalized Cross Section LLRW and A&B Structures 2.5-S4 Generalized Cross Section LLRW O&OOE B&C Structures 2.5-S5 Core Hole Correlation 2.5-1 Location and Summary of Exploratory Drilling 2.5-2 Geologic Sections 2.5-3 Geologic Sections 2.5.4 Drill Hole Locations and Core Drill Summary 2.0-ix

BFN-26 2.5-5 Graphic Logs of Core Drill Holes 2.5-5a Miscellaneous Foundation Investigations 1972 - 1980 2.5-5b Access Highway Bridge Drill Layout 2.5-5c Access Highway Bridge Hole BF-1 2.5-5d Access Highway Bridge Hole BF-2 2.5-5e Access Highway Bridge Hole BF-3 2.5-5f Access Highway Bridge Hole BF-4 2.5-5g Access Highway Bridge Hole BF-5 2.0-x

BFN-26 LIST OF ILLUSTRATIONS (Cont'd)

Figure Title 2.5-5h Access Highway Bridge Hole BF-6 2.5-5i Access Highway Bridge Hole BF-7 2.5-5j Access Highway Bridge Hole BF-8 2.5-5k Access Highway Bridge Hole BF-9 2.5-5l Access Highway Bridge Hole BF-10 2.5-5m through 2.5-5aj (Deleted) 2.5-6 Historical Earthquake Map 2.5-7 Hodified Mercalli Intensity Scale of 1931 (Abridged) 2.5-8 Site Design Spectrum - Operational Basis Earthquake - Horizontal 2.5-9 Site Design Spectrum - Design Basis Earthquake - Horizontal 2.5-10 Comparison of Site Design Spectrum and El Centro Spectrum - 5 Percent Damping 2.5-11 Site Spectrum - Compatible Time History 2.5-12 Comparison Of Site Spectrum and Spectrum Of Acceleration Time History - 0.5 Percent Damping 2.5-13 Comparison Of Site Spectrum and Spectrum Of Acceleration Time History - 1.0 Percent Damping 2.5-14 Comparison Of Site Spectrum and Spectrum Of Acceleration Time History - 2.0 Percent Damping 2.5-15 Comparison Of Site Spectrum and Spectrum Of Acceleration Time History - 5.0 Percent Damping 2.5-16 Comparison Of Site Spectrum and Spectrum Of Acceleration Time History - 3.0 Percent Damping 2.5-17 Mechanical Instruments And Controls 2.5-18 (Deleted) 2.5-19 Rock Excavation 2.0-xi