ML20086J995
| ML20086J995 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 01/18/1984 |
| From: | Mills L TENNESSEE VALLEY AUTHORITY |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| NUDOCS 8401260171 | |
| Download: ML20086J995 (2) | |
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k-y TENNESSEE VALLEY-AUTHORITY CHATTANOOGA. TENNESSEE 374ot 400 Chestnut Street Tower II M jk ary 8, 1 84 BL3D-50-438/84-02 BLRD-50-439/84-02 U.S. Nuclear Regulatory Commission Region II Attn:
Mr. James P. O'Reilly, Regional Administrator 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30303
Dear Mr. O'Reilly:
BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2 - FAILURE TO INCORPORATE INCREASED SUPPORT - BLRD-50-438/84-02, BLRD-50-439/84 FIRST INTERIM REPORT The subject deficiency was initially rep)rted to NRC-0IE Inspector P. E.
Fredrickson on December 22, 1983 in accordance with 10 CFR 50.55(e) as NCR 2661. Enclosed is our first interim report. We expect to submit our next report by April 27, 1984.
If you have any questions, please get in touch with R. H. Shell at FTS 858-2688.
Very truly yours, TENNESSEE VALLEY AUTHORITY L. M. Mills, nager
~
Nuclear Li' censing EnclosWe
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Mr Richard C. DeYoung, Director (Enclosure)
Office of Inspection and Enforcement
- s. g U.S. Nuclear Regulatory Commission p.
' Washington, D.C.
20555 I
Records Center (Enclosure)
Institute of Nuclear Power Operations 1100 Gircle 7i, Parkway, Suite 1500 Atlanta, Gedrala 30339 4L l
S401260171 8401ja PDR ADOCK 05000430 S
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An Equal Opportunity Employer l
ENCLOSURE
.BELLEFONTE NUCLEAR PLANT UNITS 1 AND 2
-a FAILURE TO INCORPORATE INCREASED SUPPORT LOADS INTO DESIGN BLRD-50-438/84-02, BLRD-50-439/84-02 NCR 2661 10 CFR 50.55(e)
FIRST INTERIM REPORT Description of Deficiency During the course of scheduled NRC-0IE 13ulletin 79-14 walkdown exercise, a number of supports on rigorous analysis problem N4-1KE-4, for the Emergency
- Raw Cooling Water (ERCW) system, were discovered not to be in agreement with analysis data in regard to loads and movements. Some supports were designed by ITT Grinnell while the remainder of these supports were designed per the TVA load-rated typical program. Specific support designs found to be disagreeing with ERCW analysis drawings 1KB0506-KE-41 R1 and 1KB0506-KE-42 R2 were:
1KE-MPHG-0046 R3 1KE-MPHG-0054 R1 1KE-MPHG-0097 R2 1KE-MPHG-0049 R0 1KE-MPHG-0057 R0 1KE-MPHG-0101 R0 1KE-MPHG-0051 R0 1KE-MPHG-0059 R0 1KE-MPHG-0114 R0 1KE-MPHG-0053 R0 1KE-MPHG-0061 R0 1KE-MPHG-0127 R0 1KE-MPHG-0140 R0 Interim Progress TVA is in the process of performing an in-depth investigation to determine the _ scope of, root cause, and corrective action for t,he subject deficiency.
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