ML20147C518
| ML20147C518 | |
| Person / Time | |
|---|---|
| Site: | Phipps Bend  |
| Issue date: | 12/11/1978 |
| From: | Stepp J Office of Nuclear Reactor Regulation |
| To: | Parr O Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7812180314 | |
| Download: ML20147C518 (1) | |
Text
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UNITE D STA TES p
- Q NUCLEAR REGULATORY COMMISSION g
WASHINGTON, D. C. 20555
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DEC 1153 1
MEMORANDUM FOR: Olan D. Parr, Chief _
Light Water Reactors Branch #3, DPM FROM:
J.-Carl Stepp, Chief Geosciences Branch,'OSE
SUBJECT:
FAULTING IN THE FUEL BUILDING EXCAVATION OF UNIT 2 TAC # 4954 f
PLANT NAME: Phipps Bend Nuclear Power Plant, Units 1 & 2
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LICENSING STAGE:
CP DOCKET NUMBER:
50-553/554 MILESTONE NUMBER: N/A RESPONSIBLE BRANCH: Sid' Miner, LWR-3 As per the requirements outlined in my. August 14, 1978 memo, the Tennessee Valley Authority (TVA) informed Sandra Wastler on November -
14, 1978 that while excavating the foundation for the Phipps Bend, Unit 2 fuel building they had found a fault. According to-TVA, the reverse fault uncovered in the foundation excavation of the reactor building, Unit 2, lies approximately 106 feet north of the east-west centerline.cf the reactor. Fault #5 trends approximately N450 with an' approximate dip of 840 to the north and an apparent offset of 1 foot or less. The fault extends 65 feet to the west of the east wall and extends eastwardly beyond the excavation and beneath undisturbed high-level Quaternary terrace deposits.
,, g TVA will be submitting a letter report providing a detailed descrip-tion of this reverse fault and discussion of the faults' relationship to the regional geology. The staff will ev7.luate this report and determine if a site visit is necessary.
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/nN. - Carl Stepp, Chief v
Geosciences Branch Division of Site Safety and i
Environmental Analysis i
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R. Boyd R. Jackson Local PDR q
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DeYoung-S. Miner j
D. Muller S. Goldberg R. Denise POR 7 8'1'218 0 3/V u
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