ML063040037

Technical Specifications, One Time Extension of the 72- Hour Completion Time (CT) for the Required Action of Condition B Technical Specification (TS) 3.7.1

ML063040037
Person / Time
Site:	Columbia
Issue date:	12/08/2005
From:	Office of Nuclear Reactor Regulation
To:
Benney B, NRR/DORL, 415-3764
Shared Package
ML063040688	List: ML063040037
References
Download: ML063040037 (4)

Text

SW System and UHS 3.7.1 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME B. One SW subsystem B.1 ---------NOTES -------

inoperable. 1. Enter applicable Conditions and Required Actions of LCO 3.8.1, "AC Sources-Operating," for diesel generator made inoperable by SW System.

2. Enter applicable Conditions and Required Actions of LCO 3.4.9, "Residual Heat Removal (RHR)

Shutdown Cooling System- Hot Shutdown," for RHR shutdown cooling subsystem made inoperable by SW System..

Restore SW subsystem to OPERABLE status.

72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />s*

I (continued)

• On a one-time basis, during the refurbishment/replacement of the 1B Service Water Pump during Cycle 18, the Completion Time for an inoperable service water subsystem is extended to 144 hours0.00167 days <br />0.04 hours <br />2.380952e-4 weeks <br />5.4792e-5 months <br />.

Columbia Generating Station 3.7.1-2 Amendment No. 149,169, 195

SW System and UHS 3.7.1 3.7 PLANT SYSTEMS 3.7.1 Standby Service Water (SW) System and Ultimate Heat Sink (UHS)

LCO 3.7.1 Division 1 and 2 SW subsystems and UHS shall be OPERABLE.

APPLICABILITY: MODES 1, 2, and 3.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Average sediment depth A.1 Restore average 30 days in one or both spray sediment depth to ponds > 0.5 ft and within limits.

< 1.0 ft.

(continued)

Columbia Generating Station 3.7.1-1 Amendment No. i49 1691

AC Sources-Operating 3.8.1 ACTIONS CONDITION REQUIRED ACTION TCOMPLETION TIME B. (continued) B.2 Declare required. 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> from feature(s), supported discovery of by the inoperable DG, Condition B inoperable when the concurrent with redundant required inoperability feature(s) are of redundant inoperable. required feature(s)

AND B.3 .1 Determine OPERABLE 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> DG(s) are not inoperable due to common cause failure.

OR B.3.2 Perform SR 3.8.1.2 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> for OPERABLE DG(s).

AND

-B.4 Restore required DG to OPERABLE status.

72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />s*

I AND 6 days from discovery of failure to meet LCO (continued)

• On a one-time basis, during the refurbishment/replacement of the IB Service Water Pump during Cycle 18, the Completion Time for the Division 2 DG is extended to-144 hours.

Columbia Generating Station 3.8.1-3 Amendment No. 149,169,195

AC Sources-Operating 3.8.1 ACTIONS

.CONDITION REQUIRED ACTION .. COMPLETION TIME C. Two offsite circuits C.1 Declare required 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> from inoperable, feature(s) inoperable discovery of when the redundant Condition C required featUre(s) concurrent with are inoperable. inoperability of redundant required feature(s)

AND C.2 Restore one offsite 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> circuit to OPERABLE status.

D. One offsite circuit-- ------------ NOTE -------------

inoperable. Enter applicable Conditions and Required Actions of AND LCO 3.8.7, "Distribution Systems-Operating," when One required DG Condition D.is entered with inoperable. no AC power source to any division.

D.1 Restore offsite 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> circuit to OPERABLE status.

OR D.2 Restore required DG 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> to OPERABLE status.

(continued)

Columbia Generating Station 3.8.1-4 Amendment No.. 4-4-9 169 1