ML21179A114

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0 to Updated Final Safety Analysis Report, Chapter 2, Section 2.5, Geology, Seismology, and Geotechnical Engineering, (Part 2 of 3)
ML21179A114
Person / Time
Site: Vogtle  Southern Nuclear icon.png
Issue date: 06/15/2021
From:
Southern Nuclear Operating Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML21179A130 List:
References
ND-21-0486
Download: ML21179A114 (13)


Text

2.5-312 Revision 5 VEGP 3&4 - UFSAR Figure 2.5-228 Northwest-Southeast Gravity Profile Through the VEGP Site

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2.5-313 Revision 5 VEGP 3&4 - UFSAR Figure 2.5-229 Magnetic Field in the Vicinity of the VEGP Site

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200 200 200 Crackerneck Fault Martin Fault Pen Branch Fault Tinker Creek Fault Atta Fault 81°W 81°W 81°30'W 81°30'W 82°W 82°W 82°30'W 82°30'W 33°30'N 33°30'N 33°N 33°N South Carolina Georgia 0

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A' 5 Mile Radius VEGP Site Magnetic Transect (see Figure 2.5.1-27)

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SRS Magnetic Survey nT High : 2455.00 Low : -367.84 Sources: Dennis et al. 2004, Cumbest et al. 2000, SRS Magnetic Survey

2.5-314 Revision 5 VEGP 3&4 - UFSAR Figure 2.5-230 Northwest-Southeast Profile of Magnetic Intensity Through the VEGP Site (DVWHUQ

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2.5-315 Revision 5 VEGP 3&4 - UFSAR Figure 2.5-231 Site Vicinity Geologic Map (25-Mile Radius)

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81°30'0"W 81°30'0"W 82°0'0"W 82°0'0"W 33°30'0"N 33°30'0"N 33°0'0"N 33°0'0"N GA Geologic Survey SCGS*

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Geologic Map Explanation Savannah River

  • Digitized 7.5' Geologic Maps
    • Generalized Geologic Map Pleistocene Pliocene Qal Paleocene, Eocene, Miocene Qal Qal Qal1 Qal Os Nu Etw Nu Nu Nu Etw Etw Etw Ei Ei Ei Ei Tku Tku Ecm Em pp1a gg1 Tu Ttr Qus Holocene Tdb Qal3 Qal2 K

Uku Ttr Th Th Tuu Tuu PPs Qal Qal Paleocene, Eocene, Miocene GA SC Georgia South Carolina Qal Etw mm3 Tku Tku Tp gr1b Ei Ei Tdb Qal gr1 Explanation Water Georgia Geology South Carolina Geology (South Carolina - 7.5' Geologic Maps)

Quaternary Alluvium Moved Earth Upland Swamp Deposit Sandhills Lakebed Deposit Quaternary Eolian Sand Quaternary Alluvium 1 Quaternary Alluvium 2 Quaternary Alluvium 3 Quaternary Terrace Deposits Quaternary Lake Deposits Lake Deposits In Carolina Bays And Associated Sand Upland Unit Upland Fluvial Channel Deposits And Related Deposits Pinehurst Formation Tobacco Road Sand Dry Branch Formation McBean Formation Orangeburg District Bed Ellenton Formation Huber Formation Upper Cretaceous Sediments, Undifferentiated Cretaceous Sediments, Undifferentiated Piedmont, Undifferentiated Me Qus Tqsl Qes Qal Qal1 Qal2 Qal3 Qt Ql Tqcb Ttr Tp Tuu Te Todb Tmb Tdb Uku Th Tcd Pu K

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August Terrane Carolina Terrane (slate belt)

Granite Holocene Pleistocene Pliocene Savannah River Terrane Upper Cretaceous Paleocene, Eocene, Miocene Qal (Georgia Geologic Survey)

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10 20 Miles VEGP Site 25

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2.5-316 Revision 5 VEGP 3&4 - UFSAR Figure 2.5-232 Site Area Geologic Map (5-Mile Radius) 0 1

2 Miles 0

1 2 Kilometers

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Qtb Qtb Qtb Qty Qty Qty Qte Qto Qty Qto Qto Qto Qte Eb Mh Eb Mh Eb Mh Eb Eb Eb Eb Emb Mh Mh Emb Emb Qal Mh Eb Emb Mh Mh 81°39'0"W 81°39'0"W 81°42'0"W 81°42'0"W 81°45'0"W 81°45'0"W 81°48'0"W 81°48'0"W 81°51'0"W 81°51'0"W 33°12'0"N 33°12'0"N 33°9'0"N 33°9'0"N 33°6'0"N 33°6'0"N Georgia South Carolina Qte Qte Tdb Tu Qte Tdb Tdb Tu Tu Tu Tu Qal Qal Qtb Qty Qtb Ttr Ttr Ttr Savann ah Rive r

VEGP Site Pen Branch fault Steel Creek fault Explanation Geology GA Geology (Bechtel drawing AX6DD351)

SC Geology (SRS digital database)

Fault Selected Surface Depressions (Depressions in GA from VEGP FSAR and imited to VEGP site; depressions in SC from SRS GIS)

Barnwell Group (Eocene)

Blue Bluff Member (Eocene)

Hawthorne Formation (Miocene)

Quaternary Alluvium Quaternary Alluvium Dry Branch (Eocene)

Tobacco Road (Eocene)

Upland Unit (Miocene)

Tdb Ttr Tu Quaternary Alluvium SC Geology (Geomatrix, 1993)

Undifferentiated Older Terraces Ellenton Terrace Bush Field Terrace Eb Emb Mh Qal1 Qal1 Qal2 Qtb Qto Qty Qty Terrace Qte Savannah River (Cumbest et al., 1998 as modified by this ESP project)

2.5-317 Revision 5 VEGP 3&4 - UFSAR Figure 2.5-233 Site Area Topographic Map (5-Mile Radius) 81°51'0"W 81°51'0"W 81°48'0"W 81°48'0"W 81°45'0"W 81°45'0"W 81°42'0"W 81°42'0"W 81°39'0"W 81°39'0"W 33°6'0"N 33°6'0"N 33°9'0"N 33°9'0"N 33°12'0"N 33°12'0"N 0

2.5 5 Kilometers 0

2.5 5 Miles Explanation VEGP Site 5 mile radius

2.5-318 Revision 5 VEGP 3&4 - UFSAR Figure 2.5-234 Site Geologic Map (0.6-Mile Radius)

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2.5-319 Revision 5 VEGP 3&4 - UFSAR Figure 2.5-235 Site Topographic Map (0.6-Mile Radius)

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81°45'0"W 81°45'0"W 81°46'30"W 81°46'30"W 33°9'0"N 33°9'0"N 33°7'30"N 33°7'30"N 0

0.25 0.5 Miles 0

0.25 0.5 Kilometers VEGP 3 VEGP 4 Sources: USGS topographic maps of the 7.5-minute Shell Bluff Landing (1987), Girard NW (1964),

Alexander (1964), and Girard (1989) quadrangles.

0.6-mile radi us 0.6-mile radi us

2.5-320 Revision 5 VEGP 3&4 - UFSAR Figure 2.5-236 Site Borings Location Map C-1010 C-1008 C-1007 C-1006 C-1004 C-1003 C-1002 B-1013 B-1011 B-1010 B-1009 B-1008 B-1007 B-1006 B-1005 B-1004 B-1003 B-1001 C-1009A C-1005A C-1001A 81°46'48"W 81°46'48"W 81°45'36"W 81°45'36"W 33°8'24"N 33°8'24"N 0

0.25 0.5 Kilometers 0

0.25 0.5 Miles

2.5-321 Revision 5 VEGP 3&4 - UFSAR Figure 2.5-237 Location of Pen Branch Fault E

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1 950 800 650 450 300 160 1250 1100 PBF6 PBF5 81°40'0"W 81°40'0"W 81°42'0"W 81°42'0"W 81°44'0"W 81°44'0"W 81°46'0"W 81°46'0"W 81°48'0"W 81°48'0"W 33°12'0"N 33°12'0"N 33°10'0"N 33°10'0"N 33°8'0"N 33°8'0"N

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SRL-7 PBF-2A PBF-3 PBF interpreted at shotpoint 245 line 2A (Berkman, 1991; page 54)

PBF interpreted to either lie SE of Line 3 or at shotpoints 620, 680, and/or 840 (end of line)

(Berkman, 1991; page 57)

Highly sheared Triassic rocks in PBF-6 core suggest close proximity to PBF Hancock Landing Utley Point Approximate location of original projection of PBF (Snipes et al. 1989; draft report figure1)

PBF imaged on SRS-7 with about 25m offset of pre-Cretaceous basement (Cumbest et al., 2000)

PBF-15 Bechtel (1984) trench.

Location of dissolution-induced collapse features SRP-29 SRP-8 PBF-5 B-1003 VEGP-4 VEGP-1 VEGP-2 VEGP-3 0

1 2 Miles 0

1 2 Kilometers Explanation Possible PBF locations in HRSSR (Berkman,1991)

SRS seismic reflection lines (SRS GIS)

Top of Blue Bluff Marl (5 foot contours)

PBF Location "under Savannah River" (Henry, 1995; page 11)

PBF location at top of basement rock (Cumbest et al., 2000)

PBF location (Snipes et al., 1993; Figure 4)

Boreholes Triassic Rock Crystalline Rock Shot point locations along Line 2 of Phase 2 seismic survey (Henry, 1995)

Location of PBF within shallow Coastal Plain sediments bracketed "between shotpoints 180 and 280" on Line 2 (Henry, 1995; page 18)

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Approximate location of PBF at top of basement rock (this study)

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Waddell et al., (1995) seismic reflection line Nelson (1989) reprocessing of portions of seismic reflection line from Bechtel (1982)

Vogtle seismic reflection lines (2006)

Location of PBF at top of basement rock determined from Vogtle seismic survey, 2006 (this study)

2.5-322 Revision 5 VEGP 3&4 - UFSAR Figure 2.5-238 Seismic Reflection Array 950 900 850 800 750 700 650 600 550 500 450 400 350 301 1601 1550 1500 1450 1400 1350 1300 1250 1200 1150 1100 1050 1000 898 850 800 750 700 650 550 500 450 400 350 301 724 675 625 575 525 475 425 375 325 275 225 175 125 941 900 800 750 700 650 600 550 500 450 400 350 301 81°47'30"W 81°47'30"W 81°47'0"W 81°47'0"W 81°46'30"W 81°46'30"W 81°46'0"W 81°46'0"W 81°45'30"W 81°45'30"W 81°45'0"W 81°45'0"W 33°7'30"N 33°7'30"N 33°8'0"N 33°8'0"N 33°8'30"N 33°8'30"N 33°9'0"N 33°9'0"N 33°9'30"N 33°9'30"N 33°10'0"N 33°10'0"N VEGP-4 VEGP-3 VEGP-2 VEGP-1 B-1004 B-1003 B-1002 Reflection Explanation Vibe Points Vogtle Borings 0

0.5 1 Miles 0

0.5 1 Kilometers

2.5-323 Revision 5 VEGP 3&4 - UFSAR Figure 2.5-239 Seismic Refraction Array 485 461 420 401 381 361 341 321 301 601 561 541 521 501 481 461 441 421 401 381 361 341 321 301 261 570 550 530 511 491 471 451 431 411 391 371 351 331 311 291 271 251 81°47'30"W 81°47'30"W 81°47'0"W 81°47'0"W 81°46'30"W 81°46'30"W 81°46'0"W 81°46'0"W 81°45'30"W 81°45'30"W 81°45'0"W 81°45'0"W 33°7'30"N 33°7'30"N 33°8'0"N 33°8'0"N 33°8'30"N 33°8'30"N 33°9'0"N 33°9'0"N 33°9'30"N 33°9'30"N 33°10'0"N 33°10'0"N VEGP-4 VEGP-3 VEGP-1 B-1004 B-1003 B-1002 Refraction Explanation Vibe Points Vogtle Borings 0

0.5 1 Miles 0

0.5 1 Kilometers

2.5-324 Revision 5 VEGP 3&4 - UFSAR Figure 2.5-240 (A) Seismic Reflection Line 4 (Time Section; Display Velocity = 12,000 fps)

(B) Interpretation (Blue Line Represents Top of Basement) 3DOHR]R

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