ML063040037
| 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: |
| 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 -------
- 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 72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />s*
to OPERABLE status.
(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 />.
I 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 APPLICABILITY
Division 1 and 2 SW subsystems and UHS shall be OPERABLE.
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 AND B.3.1 Declare required.
feature(s), supported by the inoperable DG, inoperable when the redundant required feature(s) are inoperable.
Determine OPERABLE DG(s) are not inoperable due to common cause failure.
4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> from discovery of Condition B concurrent with inoperability of redundant required feature(s) 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 24 hours 72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />s*
AND 6 days from discovery of failure to meet LCO OR B.3.2 Perform SR 3.8.1.2 for OPERABLE DG(s).
AND
-B.4 Restore required DG to OPERABLE status.
I (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 -------------
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