ML12065A173

3.1 Reactivity Control Systems, 3.1.6 Control Bank Insertion Limits, LCO 3.1.6

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 TIME CONDITION REQUIRED ACTION -- 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)

~..J\LLAV"7 3. !-14 .. rmentNo, 1.3ý3

C ontl B Bank1 n eI a n*s onn 1L..s.

3. 1.6 QI ID\!~ii I _ *~ (',J I~ A~NT~ frr,~r4'~

SURVEILLANCE FREQUENCY SR "leriý sequence and overlap mits speified in theho COLR are met for control banks not fully withdrawn from the core.

CAI WIAY ILANT 3.!-15