ML20056D646
| ML20056D646 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 08/12/1993 |
| From: | Fenech R TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 93-14, NUDOCS 9308170252 | |
| Download: ML20056D646 (3) | |
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Tenrenee Vaney Authow. Post O!6ce Box 2030, Soddy-Dwsy. Tennessee 37379 2000 Robert A. Fenech Vice President, SeqJoya*1 Naclear Plant August 12, 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. 50-328 Tennessee Valley Authority
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SEQUOYAH NUCLEAR PLANT (SQN) - UNIT 2 - FACILITY OPERATING LICENSE DPR-79
- TECHNICAL SPECIFICATION (TS) 3.7.12 SPECIAL REPORT 93-14 The enclosed special report provides details concerning three fire barriers that were nonfunctional for a period of time greater than the TS allowable timeframe. 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.
Y
' Nk Robert A. Fenech Enclosure cc:
See page 2 f
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"U.S. Nuclear Regulatory Commission Page 2.
August 12, 1993 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 Sequoyah Nuclear Plant l'
2600 Igou Ferry Road Soddy-Daisy, Tennessee 37379-3624 Regional Administrator U.S. Nuclear Regulatory Commission Region 11 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323-2711 I
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i ENCLOSURE SEQUOYAH NUCLEAR PLANT UNIT 2 SPECIAL REPORT 93-14 i
In support of the Unit 2 maintenance outage activities, the following three fire barriers were intentionally breached. The barriers have been reestablished; however, all were nonfunctional for a period of. time that exceeded the allowable technical specification (TS) timeframe.
1.
Fire Door A-44 is in the auxiliary building on Elevation 669.0, i
serving entrance to the Unit 2 penetration room.
I 2.
Fire Door A-155A is located in the auxiliary building on Elevation 734.0, serving entrance to the steam generator blow-down room (reverse osmosis room).
l 3.
Fire Door A-75 is in the auxiliary building on Elevation 690.0, serving entrance to the Unit 2 pipe chase.
The fire doors were breached open to allow fire hoses to be routed to various areas where thn high-pressure fire protection system was being repaired. The fire hoses were necessary to comply with TS action statements requiring compensatory measures,.i.e., back-up fire suppression water systems.
t These conditions are being reported in accordance with TS Action Statement 3.7.12.a.
1 CpIIective Action l
l In accordance with Limiting Condition of Operation 3.7.12 Action r
Statement (a), the fire detectors on one side of the breaches were verified operable; roving fire watches were established. The fire i
watches were maintained until the breaches were removed and the fire barriers were reestablished on July 26, 1993.
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