ML20115A415
| ML20115A415 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 10/09/1992 |
| From: | Joshua Wilson TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 92-08, 92-8, NUDOCS 9210140281 | |
| Download: ML20115A415 (3) | |
Text
,
a.
- t; i.'.
e
+'
A u___._._.
Ten 8Wt6 3 u / Aythawity ISat OH<e (ka Porn Scody-Otisp. henr+su+ 37379 J. L Whon vce preme seque,an itxksr runt l
October 9, 1992 0
U.S. Nuclear Regulatory Commission ATTN
. Document Control Desk
[
Washington, D.C. 20555 Li' Gentlemen:-
In the Mat er of
)
Docket Nos. 50-327 Tennessee Valley Authority
)
50-328 SEQUOYAll NUCLEAR PLANT (SQN)-- UNITS 1 AND 2 - FACILITY OPERATING LICENSES DPR-77 AND DPR SPECIAL REPORT 92-08 The enclosed special report provides details concerning ceilingo in the-control building being breached for.a period greater than the technical specification (TS) allowable time period.
It also provides details concerning the:inoperability of fire protection detectors in Fire-Zone 277 in the essential raw cooling water building.
Both conditions c
resulted from preplanned activities; compensatory actions were taken in s
accordance with TS requirements. 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 Russell R. Thompson at (615) 843-7470.
4 b
SA L. Wilean l
. Enclosure cc:
See page 2-
, () [-'
l}
9210140281!922009
/)
PDR ADOCX 03000327 S
s l
U.S. Nuclear. Ragulatory Commission Page 2 October 9, 1992 cc (Enclosure):
Mr. D. E. LaBarge, Project Manager U.S. Nuclear Regulatory Conunission one White Flint, North 11555 Rockviiic "4ke Rockville, Maryland 20oh NRC Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy-Daisy. Tennessee 37379 Mr. B. A. Wilson, Project Chief U.S. Nuclear Regulatory Conunission Region 11 101 Marietta Street, NW, Suite 2900 At_lants, Georgia 30323 e
ENCLOSURE SEQUOYAll NUCLEAR PLANT (SQN)
SPECIAL REPORT 92-08 1.
CEILINGS IN Tile CONTROL BUILDING Descrirlion_of_ Condition On September 8, 1992, with Units 1 and 2 in Mode 1 at full power, the control building ceilings in Rooms C10 and C11 on Llevation 732 were breached. The bretched condition existed for a period in excess of the technicel specification (TS) allowable timeframe of severi days.
CaustoLCondition The ceilings in control building Rooms C10 and C11 were breached to facilitate a remodeling modification c,f the area adjacent to the main control room area.
~
Corr _ec11Ye_Attion In accordance with Limiting Condition for Operation (LCO) 3.7.12 Action Statement (a), hourly, roving fire watches were established and were maintained until the passive fire barriers were returned to service on September 28, 1992.
II.
FIRE DETECTORS LOCATED IN TIIE ESSENTIAL RAW COOLING WATER (ERCW)
BUILDIhG ABOVE THE ERCW PUMPS Deacriittion_of Condition ou September 1, 1992, with Units 1 and 2 in Mode 1 at full power, two thermal fire protection detectors in Fire Zone 277 were removed to facilitate the removal and repair of ERCW Pump K-A.
The maintenance activity exceeded the TS cllowabic timeframe of 14 days for fire detection devices to be out of service.
Caust_of_fondition The maintenance activities required the two detectors to be removed to facilitate the removal of the pump motor to pull the pump.
Cntractive Action In accordance with LCO 3.3.3.8 Action Statement (a), an hourly fire watch was established and maintained for the duration of the maintenance activity.
LCO 3.3.3.8 was entered on September 1, 1992, and exited on September 20, 1992, when the thermal detect ors were returned to operable status.
--