ML12065A173
| ML12065A173 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 03/01/2012 |
| From: | NRC Region 4 |
| To: | |
| References | |
| FOIA/PA-2012-0110 | |
| Download: ML12065A173 (3) | |
Text
Co.nrol Bank insertion Limits 3.1.6
.REACTIVITY CONTROL.
YSTEMS SContr l 'ank Insertion LCO 3.1.6 Control banks shall be within the insertion, sequence, and overlap limits specified in the COLR.
APPLICABILITY:
MODE 1, MODE 2 with keff >_ 1.0.
NOTE-------------
.This LCO is not applicable while performing SR 3.1.4.2.
ACTIONS COMPLETION CONDITION REQUIRED ACTION TIME
-- TIME A.
Control bank insertion limits A.1.1 Verify SDM to be within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> not met.
the limits provided in the COLR.
OR A.1.2 Initiate boration to restore 1 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> SDM to within limit.
AND A.2 Restore control bank(s) to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> within limits.
(continued)
CALLAW.AY PLANT 3.1-13 Amendment No. 133
'1/5
Ban'K Insel"'Llion ACTrONS.contiued)
COMPLETION CONDITION REQU.IRED ACTION CMLTO TIME B. Control bank sequence or 8.1.1 Verify SDM to be within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> overlap limits not met.
the limits provided in the COLR.
OR 8.1.2 Initiate boration to restore 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> SDM to within limit.
AND B.2 Restore control bank I 2 hour2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> sequence and overlap to within limits.
C.
Required Action and C.1 Be in MODE 3.
6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion Time not met.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY S.R 3.1.6 Verify estimated critical control bank position is within Within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> the limits specified in the COLR.
prior to achieving criticality SR 3.1.6.2 Verify each control bank insertion is within the limits 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> specified in the COLR.
(continued)
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- 3. !-14
.. rmentNo, 1.3ý3
C ontl Bank1 B a n*s I n
on e
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FREQUENCY SURVEILLANCE SR "leriý sequence and overlap mits speified in theho COLR are met for control banks not fully withdrawn from the core.
CA I WIAY ILANT 3.!-15