ML20036B503
| ML20036B503 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 05/17/1993 |
| From: | Fenech R TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 93-04, 93-4, NUDOCS 9305250143 | |
| Download: ML20036B503 (3) | |
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Temusee vecey Aumorw Pcr on e ec Paac scco Da sy. Tennessee 37379 7330 c
r Robert A. Fenech vce Weswrt secuoyan Nxica Piant May 17, 1993 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555 Gentlemen:
In the Matter of
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Docket No. 50-327 Tennessee Valley Authority
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SEQUOYAH NUCLEAR FIANT (SQN) - UNIT I - FACILITY OPERATING LICENSE DPR l TECHNICAL SPECIFICATION (TS) 3.7.12 SPECIAL REPORT 93-04 l
The enclosed special report provides details concerning a fire barrier being breached for a period greater than the TS allowable timeframe in d
support of the Unit I refueling outage.
This report is being submitted in accordance with TS 3.7.12 Action Statement (a).
If you have any questions concerning this submittal, please telephone C. H. Whittemore at (615) 843-7210.
Sincerely.
&) $ f '- A Robert A. Fenech Enclosure cc: See page 2 R4Gn<'s 9305250143 930517 lI PDR
.ADOCK 05000327 S.
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U.S. Nuclear Regulatory Commission Page 2 May 17, 1993 l
cc (Enclosure):
Mr. D. E. LaBarge, Project Manager U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852-2739 NRC Resident Inspector Sequoyab Nuclear Plant 2600 Igou Ferry Road Soddy-Daisy, Tennessee 37379-3624 Regional Administrator t
U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323-2711 A
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I ENCLOSURE SEQUOYAH NUCLEAR PLANT UNIT 1 SPECIAL REPORT 93-04 SHIELD BUILDING PENETRATION (ME 22)
Des _Cription of Event on April 15, 1993, with Unit 1 shut down for the Unit 1 Cycle 6 (U1C6) i refueling outage (RFO), Shield Building Penetration MK 22 (auxiliary l
building, Unit i east valve room, Elevation 706.0) was breached to support the RF0 activities. The penetration was breached in excess of the technical specification (TS) allowable time period of seven days.
This condition is being reported in accordance with TS 3.7.12. Action Statement (a).
Cause of Condition The MK 22 penetration was breached in order to route video and I
communication equipment cables into containment to aid in the radiological control of activities. The penetration will remain breached i
for the duration of the UIC6 RFO.
i Corrective Action In accordance with Limiting Condition for Operation 3.7.12 Action Statement (a), fire detectors on one side of the penetration were i
verified operable; a roving fire watch was immediately established and will be maintained until the breach is removed and the fire barrier is i
reestablished at the end of the'UIC6 RFO.
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