ML20050C238
| ML20050C238 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 03/24/1982 |
| 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 8204080318 | |
| Download: ML20050C238 (2) | |
Text
r TENNESSEE VALLEY AUTHORITY CH ATTANOOG A, TENNESSEE 37401 400 Chestnut Street Tower II q
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U.S. Nuclear Regulatory Commission g
Region II g
Attn:
Mr. James P. O'Reilly, Regional Administrator oy
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101 Marietta Street, Suite 3100 Atlanta, Geccgia 30303
Dear Mr. O'Reilly:
BELLEFONTE NUCLEAR PLANT UNIT 1 - DEFICIENT WELD 0LETS ON NAVC0 SPOOL PIECES
- BLRD-50-438/82 FIRST INTERIM REPORT The subject deficiency was initially reported to NRC-0IE Inspector R. V. Crlenjak on February 24, 1982 in accordance with 10 CFR 50.55(e) as NCR 1740. Enclosed is our first interim report. We expect to submit our next report by June 25, 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
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L. M. Mills, Mana er Nuclear Regulation and Safety Enclosure
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M.. Richard C. DeYoung, Director (Enclosure)
Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 s
8204080318 820324 ICl4LCOpy PDR ADOCK 05000438
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An Equal Opportunity Employer hl11
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'e ENCLOSURE BELLEFONTE NUCLEAR PLANT UNIT 1 DEFICIENT WELD 0LETS ON NAVC0 SPOOL PIECES NCR 1740 - BLRD-50-438/82-19 10 CFR 50.55(e)
FIRST INTERIM REPORT Description of Deficiency Five. weldolets on spool pieces 1ND-196,1ND-198, IND-200, 1ND-202, and
- 1NV-242 exhibit welds that do not conform to the ASME Code Section III Subsection NB (for class 1 components) or Subsection NC (for class 2 components) requirements for fabrication. ' The welds are typically below flush 1/64 inch to 3/32 inch. In addition, a weld at the upper apex of a special thermowell boss on spool piece 1NV-2'41 was ground down below flush. The subject weldolets are installed in the Decay Heat Removal (ND)
System and Makeup and Purification (NY) System piping. The vendor of these items was National Valve and Manufacturing Company (NAVCO) of Pittsburgh, Pennsylvania.
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Interim Progress TVA has requested the vendor to conduct a review of the applicable fabrication records to determine the reason for the deficiency. This review is currently in progress. TVA will supply additional details on this deficiency in our next report.
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