ML20039D932
| ML20039D932 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 12/28/1981 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| 10CFR-050.55E, 10CFR-50.55E, NUDOCS 8201060353 | |
| Download: ML20039D932 (2) | |
Text
Oe ee TENygSEggL. LEY AUTHORITY 4 T'cAliTANoocA3ggNESSEE 374ot 400 Chestnut Street Tower II 31 DEC 8 A 8 Member 28, 1981 BLRD-50-438/81-40
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bu s-y Mr. James P. O'Reilly, Director
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Office of Inspection and Enforcement
'N 0793h s U.S. Nuclear Regulatory Commission Region II - Suite 3100 g,
101 Marietta Street
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Dear Mr. O'Reilly:
BELLEFONTE NUCLEAR PLANT UNIT 1 - INTERNAL LACK OF FUSION ON NAVC0 SPOOL PIECE - BLRD-50-438/81 FIFTH INTERIM REPORT The subject deficiency was initielly reported to NRC-OIE Inspector R. V. Crlenjak on May 20, 1981, in accordance with 10 CFR 50.55(e) as NCR 1467 This was followed by our interim reports dated June 19, August 26, September 29, and November 12, 1981. Enclosed is our fifth interim report. We expect to submit our next report by February 16, 1982.
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, 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 0]TI@IAL COFK 8201060353 811228 7b p'//
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ENCLOSURE BELLEFONTE NUCLEAR PLANT' UNIT 1 INTERNAL LACK OF FUSION ON NAVC0 SPOOL PIECE BLRD-50-438 /81-40 10 CFR 50.55(e) j FIFTH INTERIM REPORT
< Description of Deficiency An internal lack of fusion, approximately 1/8 inch wide and 21 inches' long, was-discovered during the installation of a spool piece supplied I
by NAVCO. This internal lack of fusion. was found during the radiography of a circumferential butt weld. The radiograph overlapped an adjacent longitudinal weld of the spool piece and indicated ~ that it exhibited the lack of weld fusion. The spool piece is 12 inches in diameter, stainless steel SA312 TP304 welded pipe located in the Spent Fuel Cooling System.
Corrective Actions TVA has received the test report on the subject deficiency from TVA's Singleton Materials. Engineering Laboratories.suut is evaluating the findings. The preliminary indications are that-there is no lack of fusion
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evident in the subject spool piece, and' there is no basis to conclude a probable failure of the spool piece because of this deficiency.
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