ML20062L350
| ML20062L350 | |
| Person / Time | |
|---|---|
| Site: | Phipps Bend  |
| Issue date: | 01/22/1981 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| NUDOCS 8101270639 | |
| Download: ML20062L350 (2) | |
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Mr. James P. O'Reilly, Director b
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Office of Inspection and Enforcement U.S. Nuclear Pegulatory Comnission Regicn II - Suite 3100 101 Marietta Street Atlanta, Georgia 30303 Daar Mr. O'Reilly:
PHIPPS BE!!D NUCLEAR PLANT UNIT 1 - REPORTABLE DEFICIENCY - FAILURE TO RADIOGRAPH RPV PEDESTAL WELDS AND BYPASSING iiGLD POI!JTS CN CONCRETE POUR - PBRD 50-553/81-04 The deficiency involvirg the failure to radiceriph reactor pressure vessel pedestal welds was initially reported to NRC-OIE Pegien II Inspector W. B. Swann on December 23, 1980, as NCR PBNP *75.
On January 9, 1981, the deficiency involving the bypassing of hold points during concrete pouring was initially reported to NRC-OIE Regien II Inspector R. 4. Wright as NCR P3NP-184.
In compliance with paragraph 50.55(e) of 10 CFR Part 50, we are enclosing the first interim report on the subject deficiencies. TVA anticipates transmitting the final report on or before April 3,1981.
If you have any questions, please call Jim Domer at FTS 857-2014 Very truly you: s, I
TENNESSEE VALLEY AUTHORITY i
L. f4. Mills, Manager
?iuclear Regulation and Safety
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Enclosure cc:
Mr. Victor Stello, Director Office of inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 l
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P E!CLOSUnE purpp3 pg:p auctggp pt4r7 qui y "AILU45 TO PADIOGRAP" ?PV ?EDZSTAL '4TLDS A':D
'YPASSI"0 HCLC POI!TS O!! C0"C3ETE POU9 10C7340.55(a)
NCR PBRD-50 92/81-O'8 REPOPT !!O.1 (!?*TERI:0 On Dacaabor 2?, 1080, ~7A informed MRC-0!E Pacion II Inspector, 'I.
B.
Swann, of a potantially =aportable condition under 10CFE30.55(e) rec 1rding the failure to radiceraph aaactor paassuae "?ssel (PPV) pedestal valds.
On Januarr 3, 1031, 77A trfoaned ?i3C-0!? Pecien TI Tenrector,
- 9. M. 9right, of n notentially *eoortable condition undea 1CCFE50.55(a) reraadtr-tha "vpas91nt of hold potata on a cor.creta cour. This is the first interim racort on t"ase deficier.cies.
~'! A enticioctas tr7nnni ttin-the next aarort by Acait ?, 1691 Dascrintien of Daficiancv
'his deficiency involves the T-taa weli joints hetueen the up er and 10 wor eegrent of the 3P" pedental. These veld joints did not raceive a 10-percent rndioCraphic exaninatien as raquirad by CT/CFReaur specifico. tion 300-05 and shcun on GE/CFRrqun drawing S:s'-314 The welds are presently inaccessible such that the recuirad MDI cannot ba parformad becausa concrete has alraady been pourad for tha RPV
?ed?stal. This pour was perfoa?.ed evsn thourh some hold cointa (includir7 "DE) were not cla1 red. This representa a cotantial breavdoun !.9 tra TVA Tuality Assursnee Procr1n.
ccaract i ra iction TVA and GE/CFPraun are aeviewini all available docunantation and ax7mination records,nd vill evaluate this deficierev when this review in conplete.
TVA is also conductinz $.n investication t'ith raca ad to the cause of this deficiency.
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