ML20129F935
| ML20129F935 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 03/29/1985 |
| From: | Hufham J TENNESSEE VALLEY AUTHORITY |
| To: | Grace J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| REF-PT21-85, REF-PT21-85-272-000 PT21-85-272, PT21-85-272-000, NUDOCS 8506070086 | |
| Download: ML20129F935 (2) | |
Text
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i TENNESSEE VALLEY AUTHORITY CHATTANOOGA, TENNESSEE 37401 400 Chestnut Street Tower II f\\ 3. l I 35 M3n i.'4 arch 29, 1985 BLRD-50438/83-62 BLRD-50439/83-55 U.S. Nuclear Regulatcry Commission Region II Attn:
Dr. J. Nelson Grace, Regiomi Adninistrator 101 Mariatta Street, NW, Suite 2900 Atlanta, Georgia 30323
Dear Dr. Grace:
BELLEFOiTE NUCLEAR PLANT INITS 1 AND 2 - FIEL OIL-LINE RUPTIRE IN TRAEAERICA IELAV AL, INC., GEERATORS - BLRD-50438/83-62, BLRD-50439/83 FINAL EPORT The subject deficiency was initially reported to NRC-0IE Inspector P. E. Fmdrickson on November 21, 1983 in accordance with 10 CPR 50.55(e) as NCR BLN EB 8303. This was followed by our interim reports dated December 20, 1983, and April 6 and October 23, 1984.
Enclmed is our final re por t.
We consider 10 GR Part 21 applicable to this deficiency.
If you have any questions, please get in touch with R. H. Shell at FTS 858-2688.
Very truly yours,
TENNESSEE VALLEY AUTHORITY J. W. Hufham, Mana r Licensing and Regulations Encimure Mr. James Taylor, Director (Encimure) ec:
Office of Inspection and Enforcement U.S. Nuclear Regulatory Camission Washington, D.C.
20555 Records Center (Encimure)
Institute of Nuclear Power Operations 1100 circle 75 Parkway, Suite 1500 Atlanta, Georgia 30339 m'S88BA !!88Faa cuicial COMv
=
re y An Equal Opportunity Employer
r ENCLCSURE BELLEF(NTE NUCLEAR PLANT UNITS 1 AND 2 FtEL OIL-LINE RUPTURE IN TRANSAERICA IELAV AL, INC., GENERATORS BLRD-50-438/83-62, BLRD-50-439/d3-55 NCR BLN EB 8303 10 CFR 50.55(e)
FINAL RFFORT
~
Description of Deficiency A potential problen has been identified concerning the fuel oil line f ran the engine-motmted fuel transfer pump to the engine fuel oil header on the Excessive engine vibration could possibly cause standby diesel generators.
Thes e the fuel oil line to break, shut the engine down, and cause a fire.
generators were supplied to TVA by Transamerica Delaval, Incorporated (TDI),
TDI infonned TV A of this potential problem in their Oakland, California.
letter dated September 30, 1983 TDI has also notified TV A that the generic cause of this deficiency was fuel line supports which had not been installed Additionally, some TDI customers were not per the drawing requirements.
maintaining the equipnent as required.
Safety Irrolications The emergency diesel generators are necessary for the safe shutdown of the Their failure due to plant in the event of a loss of normal offsite power. fuel loss and/or fire ability to attain a safe shutdown condition.
Corrective Action TV A will review the supports for the fuel line f rom the engine-driven fuel transfer pump to the engine fuel header for compliance with the configuration shown en TDI drawing No. 02-450-16.
Any missing supports will be installed per TDI installation instructions. Any existing supports not shown on TDI drawing No. 02-450-16 will be removed. TV A uill also install a shield between the fuel line and the turbocharger exhaust gas inlet to prevent fuel spray f rom a broken line f rom being ignited by the exhaust system.
TDI has notified TV A that a detailed inspection of fuel line supports will be This will prevent performed and documented on future jobs before shipnent.
recurrence of this deficiency.
All corrective actions for this deficiency will be completed by December 1, 1986.
w.4-L