ML20127D857
| ML20127D857 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 09/09/1992 |
| From: | Joshua Wilson TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 92-07, 92-7, NUDOCS 9209150193 | |
| Download: ML20127D857 (3) | |
Text
,
^
e l
- w..,vs,em e,wmo, a om e o - n n e.u, nr y s,, m cm J L h.nn v.r e vue t>vun+ n a we Vvt September 9, 1992 i
U.S. Hucicar Regulatory Commission ATTN:
Document Control Desk Washington, D.C. 20555 Gentlemen:
In the Matter of
)
Docket Nos.30-327 Tennessee Valley Authority
)
50 328 SEQUOYAll NUCLEAR PLANT (SQN) - UNITS 1 AND 2 - FACILITY OPERATING LICENSES DPR-77 AND DPR SPECIAL REPORT 92-07
-The enclosed special report provides detai1F Concerning a fire barrier being nonfunctionel for a period greater than the technical specification (TS) allowable neven-day timeframe. Details are also provided concerning the inoperability of the fire detectors in the essentici raw cooling water building for a period greater than the TS allowable 14-hy timeframe. This report is being submitted in accordance with TS Action Statements 3.3.3.8(b) and 3.7.12(a).
If you have any questions concerning this submittal, please telephone C.11. Whittemor e at '615) 843-7210.
rw L. Wilson Enclosure r,
cc:
See page 2 N
.1530 1110 V
I
fl.S.' Nuclear Regulatory Couunission Page 2 September 9, 1992 cc (E closure):
Mr. D. E. LaPargo, Project Manager U.S, Nuclear degulatory Conunission One White Flint, North 11555 Rockville Pike
~
Rockville, Maryland 20852 NRC Resident Inspect',r Sequoyah huelear Pier!L 2
2600 Igou Ferry Road Soddy-Daisy, Tennessee 37379 Mr. B. A. Wilson, Project Chier!
U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 t.
o 1
I
?
c
w_.
- u:r t'
ENCLOSURE s
SEQUOYAH NUCLEAR PLANT (SQN)
SPECIAL REPORT 92-07 I.
FIRE DOOR A-41 Description _cL_ Condition
-a On September 1,1992, with Units 1 and 21, Mode 1 at full power, Auxiliary. Building Fire Door A-41 was bretched to provide unimpeded access to Auxiliary Building Room A21, whleb houses Positive Displacement Charging Pump 20.
Causc_ci_CondLLion Auxiliary bullo.
boot- /
,1 will be breached to permit personnel unimpeded access and the transportation of tools and equipment during a pump-removal activity.
The door will remain breached for the duration of the activity, which is expected to be four to six weeks.
Coner11rn_Ac11on In accordance with Limit!,g Condition for Operation (LCO) 3.7.12 Action Statement (a), fire detectors in the room were verified operable, and a roving fire watch was eatablished and will be maintained until the breach is removed and the fire door barrier is reestablished.
II.
FIRE DETECTORS LOCATED IN THE ESSENTIAL RAW COOLING WATER (ERCW)
BUILDING ABOVE ERCW PUMPS Description af,_CondLtion
_On July 29, 1992,- with Units 1 and 2 in Mode 1 at fu'* power, two thermal fire protection detectors in Fire Zone 277 weto removed to facil. tete the removal and repair of ERCW Pump K-A.
The maintenance activxcy exceeded the technical specification all ale timeframe of 14 days for fire detection _ devices to be out of sc vice.
1 Cauac_of_ Condition The maintenance activities required the two detectors to be removed to facilit-te the removal of the pump motor to pull the pump.
Corrac11Yn_Ac11on i
In accordance with LCO 3.3.3.8 Action Statement (a), a continuous fire watch was established and maintained for the duration of the y
maintenance activity.
LCO 3.3.3.8 was entered at 1150 Eastern l
daylight time.(EDT) on July 29, 1992, and exited at 1426 EDT on August 13, 1992.
1 i/