ML20071H521
| ML20071H521 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 02/16/1982 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| REF-PT21-82 10CFR-050.55E, 10CFR-50.55E, NUDOCS 8203080446 | |
| Download: ML20071H521 (2) | |
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TENNESSEC) vat 4EE AUTHORITY cnATTAtaobb/t'NrJe[cA$ke $Woi 400 Chestnut Street Tower II
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BLRD-50-438/82-10 e
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U.G. Nuclear Regulatory Commission g
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Region II g}
Attn:
Mr. James P. O'Reilly, Regional Administrator 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 e%
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Dear Mr. O'Reilly:
fu BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 - CHILLER UNIT PIPING COMPONENTS IMPROPERLY WELDED - BLRD-50-438/82-10, BLRD-50-439/82 FIRST INTERIM REPORT The subject deficiency was initially reported to NRC-0IE Inspector R. V. Celenjak on January 11, 1982 in accordance with 10 CFR 50.55(e) as NCR 1707 Enclosed is our first interim report. We expect to submit our next report by June 23, 1982. We consider 10 CFR Part 21 applicable to this deficiency.
If you have any questions concerning this matter, please get in touch with R. H. Shell at FTS 858-2688.
Very truly yours, TENNESSEE VALLEY AUTHORITY l.
Y L. M. Mills, Manager Nuclear Regulation and Safety Enclosure cc:
Mr. Richard C. DeYoung, Director (Enclosure)
Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555
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O pflCIAL COPY An Equal Opportunity Employer
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t ENCLOSURE BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 CllILLER UNIT PIPING C0tf 0NENTS IMPROPERLY WELDED BLRD-50-438/82-10, BLRD-50-439/82-10 10 CFR 50.55(e)
FIRST INTERIM REPORT Description of Deficiency The chiller units listed below, manufactured by Dunham-Bush of West liart ford, Connecticut, exhibit extensive weld deficiencies on welds performed by the vendor. The extent of the deficiencies has not been fully evaluated yet, but visual examination revealed undercut, cold lapped, porosity, weld spatter, lack of fusion, mismatched components, numerous arc strikes, weld wires protruding from welds, and slag pockets.
Dunham-Bush Chiller Identification Numbers - Auxiliary Building Model Number - IPCX290-0Q PCX Serial Number Location DPW 2013M77X1633C -
Between A2&A3 - R&S Line (610')
DPW 2013M77X1633A -
Between A2&A3 - R&S Line (610')
DPW 2013M77X1633B -
Between A5&A6 - R&S Line (610')
DPW 2013A78X1633H -
Between A5&A6 - R&S Line (610')
DPW 2013A78X1633D -
A10 Between R&S Line (610')
DPW 2013A78X1633G -
A10 Between R&S Line (610')
DPW 2013A78X1633F -
Between A12&A13 - R&S Line (610')
DPW 2013A78X1633E -
Between A12&A13 - R&S Line (610')
Dunham-Bush Chiller Identification Numbers - Control Building Model Number - IPCX230-0Q PCX Serial Number Location DPW 2010M77X1601 A -
Between C2&C3 - N&P Line (629')
DPW 2010M77X1601B -
Between C2&C3 - N&P Line (610')
Interim Progress TVA is still in the process of evaluating the subject deficiency.
A more detailed report of this evaluation will be provided to you in our next report.
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