ML24191A316

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Final Safety Analysis Report Rev. OL-27 and Technical Specification Bases Rev. 25, Chapter 3.1, Reactivity Control Systems
ML24191A316
Person / Time
Site: Callaway Ameren icon.png
Issue date: 05/06/2024
From:
Ameren Missouri, Union Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML24191A265 List: ... further results
References
ULNRC-06877
Download: ML24191A316 (1)
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CALLAWAY PLANT 3.1-i CHAPTER TABLE OF CONTENTS CHAPTER 3.1 REACTIVITY CONTROL SYSTEMS Section Page 3.1.1 SHUTDOWN MARGIN (SDM)........................................................................... 3.1-1 ACTIONS...................................................................................................... 3.1-1 SURVEILLANCE REQUIREMENTS............................................................. 3.1-1 3.1.2 Core Reactivity................................................................................................... 3.1-2 ACTIONS..................................................................................................... 3.1-2 SURVEILLANCE REQUIREMENTS............................................................... 3.1-3 3.1.3 Moderator Temperature Coefficient (MTC)......................................................... 3.1-4 ACTIONS..................................................................................................... 3.1-4 SURVEILLANCE REQUIREMENTS............................................................. 3.1-5 3.1.4 Rod Group Alignment Limits............................................................................... 3.1-7 ACTIONS...................................................................................................... 3.1-7 SURVEILLANCE REQUIREMENTS............................................................. 3.1-10 3.1.5 Shutdown Bank Insertion Limits....................................................................... 3.1-11 ACTIONS.................................................................................................... 3.1-11 SURVEILLANCE REQUIREMENTS............................................................. 3.1-12 3.1.6 Control Bank Insertion Limits............................................................................ 3.1-13 ACTIONS.................................................................................................... 3.1-13 SURVEILLANCE REQUIREMENTS............................................................. 3.1-14 3.1.7 Rod Position Indication..................................................................................... 3.1-16 ACTIONS.................................................................................................... 3.1-16 SURVEILLANCE REQUIREMENTS............................................................. 3.1-18

CHAPTER TABLE OF CONTENTS (Continued)

Section Page 3.1-ii 3.1.8 PHYSICS TESTS Exceptions - MODE 2......................................................... 3.1-19 ACTIONS................................................................................................. 3.1-19 SURVEILLANCE REQUIREMENTS............................................................. 3.1-20 3.1.9 RCS Boron Limitations < 500°F........................................................................ 3.1-22 ACTIONS...................................................................................................... 3.1-22 SURVEILLANCE REQUIREMENTS............................................................. 3.1-23

3.1.1-iii Rev. OL-14 12/04 LIST OF FIGURES Number Title 3.1.3-1 Moderator Temperature Coefficient vs. Power Level

CALLAWAY PLANT 3.1-1 Amendment No. 202 SDM 3.1.1 3.1 REACTIVITY CONTROL SYSTEMS 3.1.1 SHUTDOWN MARGIN (SDM)

LCO 3.1.1 SDM shall be within the limits provided in the COLR.

APPLICABILITY:

MODE 2 with keff < 1.0, MODES 3, 4, and 5.

ACTIONS SURVEILLANCE REQUIREMENTS CONDITION REQUIRED ACTION COMPLETION TIME A. SDM not within limit.

A.1 Initiate boration to restore SDM to within limit.

15 minutes SURVEILLANCE FREQUENCY SR 3.1.1.1 Verify SDM to be within limits.

In accordance with the Surveillance Frequency Control Program

CALLAWAY PLANT 3.1-2 Amendment No. 133 Core Reactivity 3.1.2 3.1 REACTIVITY CONTROL SYSTEMS 3.1.2 Core Reactivity LCO 3.1.2 The measured core reactivity shall be within +/- 1% k/k of predicted values.

APPLICABILITY:

MODES 1 and 2.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Measured core reactivity not within limit.

A.1 Re evaluate core design and safety analysis, and determine that the reactor core is acceptable for continued operation.

AND 7 days A.2 Establish appropriate operating restrictions and SRs.

7 days B. Required Action and associated Completion Time not met.

B.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 />

Core Reactivity 3.1.2 CALLAWAY PLANT 3.1-3 Amendment No. 202 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.2.1

NOTE --------------------------------

The predicted reactivity values may be adjusted (normalized) to correspond to the measured core reactivity prior to exceeding a fuel burnup of 60 effective full power days (EFPD) after each fuel loading.

Verify measured core reactivity is within +/-1% k/k of predicted values.

Once prior to entering MODE 1 after each refueling AND

NOTE--------

Only required after 60 EFPD In accordance with the Surveillance Frequency Control Program

CALLAWAY PLANT 3.1-4 Amendment No. 133 MTC 3.1.3 3.1 REACTIVITY CONTROL SYSTEMS 3.1.3 Moderator Temperature Coefficient (MTC)

LCO 3.1.3 The MTC shall be maintained within the limits specified in the COLR. The maximum upper limit shall be that specified in Figure 3.1.3-1.

APPLICABILITY:

MODE 1 and MODE 2 with keff 1.0 for the upper MTC limit, MODES 1, 2, and 3 for the lower MTC limit.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. MTC not within upper limit.

A.1 Establish administrative withdrawal limits for control banks to maintain MTC within limit.

24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> B. Required Action and associated Completion Time of Condition A not met.

B.1 Be in MODE 2 with keff < 1.0.

6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> C. MTC not within lower limit.

C.1 Be in MODE 4.

12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />

MTC 3.1.3 CALLAWAY PLANT 3.1-5 Amendment No. 133 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.3.1 Verify MTC is within upper limit.

Once prior to entering MODE 1 after each refueling SR 3.1.3.2

NOTES --------------------------

1.

Not required to be performed until 7 effective full power days (EFPD) after reaching the equivalent of an equilibrium RTP all rods out (ARO) boron concentration of 300 ppm.

2.

If the MTC is more negative than the 300 ppm Surveillance limit (not LCO limit) specified in the COLR, SR 3.1.3.2 shall be repeated once per 14 EFPD during the remainder of the fuel cycle.

3.

SR 3.1.3.2 need not be repeated if the MTC measured at the equivalent of equilibrium RTP-ARO boron concentration of 60 ppm is less negative than the 60 ppm Surveillance limit specified in the COLR.

Verify MTC is within lower limit.

Once each cycle

CALLAWAY PLANT 3.1-6 Amendment No. 133 MTC 3.1.3 Figure 3.1.3-1 (page 1 of 1)

Moderator Temperature Coefficient vs. Power Level

CALLAWAY PLANT 3.1-7 Amendment No. 133 Rod Group Alignment Limits 3.1.4 3.1 REACTIVITY CONTROL SYSTEMS 3.1.4 Rod Group Alignment Limits LCO 3.1.4 All shutdown and control rods shall be OPERABLE.

AND Individual indicated rod positions shall be within 12 steps of their group step counter demand position.

APPLICABILITY:

MODES 1 and 2.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more rod(s) inoperable.

A.1.1 Verify SDM to be within the limits provided in the COLR.

OR 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> A.1.2 Initiate boration to restore SDM to within limit.

AND 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> A.2 Be in MODE 3.

6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> (continued)

Rod Group Alignment Limits 3.1.4 ACTIONS (continued)

CALLAWAY PLANT 3.1-8 Amendment No. 133 B. One rod not within alignment limits.

B.1 Restore rod to within alignment limits.

OR 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> B.2.1.1 Verify SDM to be within the limits provided in the COLR.

OR 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> B.2.1.2 Initiate boration to restore SDM to within limit.

AND 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> B.2.2 Reduce THERMAL POWER to 75% RTP.

AND 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> B.2.3 Verify SDM to be within the limits provided in the COLR.

AND Once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> B.2.4 Perform SR 3.2.1.1 and SR 3.2.1.2.

AND 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> B.2.5 Perform SR 3.2.2.1.

AND 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> (continued)

CONDITION REQUIRED ACTION COMPLETION TIME

Rod Group Alignment Limits 3.1.4 ACTIONS CALLAWAY PLANT 3.1-9 Amendment 133 B. (continued)

B.2.6 Re-evaluate safety analyses and confirm results remain valid for duration of operation under these conditions.

5 days C. Required Action and associated Completion Time of Condition B not met.

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 /> D. More than one rod not within alignment limit.

D.1.1 Verify SDM to be within the limits provided in the COLR.

OR 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> D.1.2 Initiate boration to restore required SDM to within limit.

AND 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> D.2 Be in MODE 3.

6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> CONDITION REQUIRED ACTION COMPLETION TIME

Rod Group Alignment Limits 3.1.4 CALLAWAY PLANT 3.1-10 Amendment No. 202 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.4.1 Verify individual rod positions within alignment limit.

In accordance with the Surveillance Frequency Control Program SR 3.1.4.2 Verify rod freedom of movement (trippability) by moving each rod not fully inserted in the core 10 steps in either direction.

In accordance with the Surveillance Frequency Control Program SR 3.1.4.3 Verify rod drop time of each rod, from the fully withdrawn position, is 2.7 seconds from the beginning of decay of stationary gripper coil voltage to dashpot entry, with:

a.

Tavg 500°F; and b.

All reactor coolant pumps operating.

Prior to reactor criticality after each removal of the reactor head

CALLAWAY PLANT 3.1-11 Amendment No. 133 Shutdown Bank Insertion Limits 3.1.5 3.1 REACTIVITY CONTROL SYSTEMS 3.1.5 Shutdown Bank Insertion Limits LCO 3.1.5 Each shutdown bank shall be within insertion limits specified in the COLR.

APPLICABILITY:

MODE 1, MODE 2 with any control bank not fully inserted.

NOTE ---------------------------------------------

This LCO is not applicable while performing SR 3.1.4.2.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more shutdown banks not within limits.

A.1.1 Verify SDM to be within the limits provided in the COLR.

OR 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> A.1.2 Initiate boration to restore SDM to within limit.

AND 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> A.2 Restore shutdown banks to within limits.

2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> B. Required Action and associated Completion Time not met.

B.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 />

Shutdown Bank Insertion Limits 3.1.5 CALLAWAY PLANT 3.1-12 Amendment No. 202 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.5.1 Verify each shutdown bank is within the limits specified in the COLR.

In accordance with the Surveillance Frequency Control Program

CALLAWAY PLANT 3.1-13 Amendment No. 133 Control Bank Insertion Limits 3.1.6 3.1 REACTIVITY CONTROL SYSTEMS 3.1.6 Control Bank Insertion Limits 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 CONDITION REQUIRED ACTION COMPLETION TIME A. Control bank insertion limits not met.

A.1.1 Verify SDM to be within the limits provided in the COLR.

OR 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> A.1.2 Initiate boration to restore SDM to within limit.

AND 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> A.2 Restore control bank(s) to within limits.

2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> (continued)

Control Bank Insertion Limits 3.1.6 ACTIONS (continued)

CALLAWAY PLANT 3.1-14 Amendment No. 202 SURVEILLANCE REQUIREMENTS B. Control bank sequence or overlap limits not met.

B.1.1 Verify SDM to be within the limits provided in the COLR.

OR 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> B.1.2 Initiate boration to restore SDM to within limit.

AND 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> B.2 Restore control bank sequence and overlap to within limits.

2 hour2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> C. Required Action and associated Completion Time not met.

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 /> SURVEILLANCE FREQUENCY SR 3.1.6.1 Verify estimated critical control bank position is within the limits specified in the COLR.

Within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> prior to achieving criticality SR 3.1.6.2 Verify each control bank insertion is within the limits specified in the COLR.

In accordance with the Surveillance Frequency Control Program (continued)

CONDITION REQUIRED ACTION COMPLETION TIME

Control Bank Insertion Limits 3.1.6 SURVEILLANCE REQUIREMENTS (continued)

CALLAWAY PLANT 3.1-15 Amendment No. 202 SR 3.1.6.3 Verify sequence and overlap limits specified in the COLR are met for control banks not fully withdrawn from the core.

In accordance with the Surveillance Frequency Control Program SURVEILLANCE FREQUENCY

CALLAWAY PLANT 3.1-16 Amendment No. 182 Rod Position Indication 3.1.7 3.1 REACTIVITY CONTROL SYSTEMS 3.1.7 Rod Position Indication LCO 3.1.7 The Digital Rod Position Indication (DRPI) System and the Demand Position Indication System shall be OPERABLE.

APPLICABILITY:

MODES 1 and 2.

ACTIONS

NOTE -----------------------------------------------------------

Separate Condition entry is allowed for each inoperable rod position indicator and each demand position indicator.

CONDITION REQUIRED ACTION COMPLETION TIME A. One DRPI per group inoperable for one or more groups.

A.1 Verify the position of the rods with inoperable position indicators indirectly by using core power distribution measurement information.

OR Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> A.2 Reduce THERMAL POWER to 50% RTP.

8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> (continued)

Rod Position Indication 3.1.7 ACTIONS (continued)

CALLAWAY PLANT 3.1-17 Amendment No. 182 B. More than one DRPI per group inoperable for one or more groups.

B.1 Place the control rods under manual control.

AND Immediately B.2 Monitor and record RCS Tavg.

AND Once per 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> B.3 Verify the position of the rods with inoperable position indicators indirectly by using core power distribution measurement information.

AND Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> B.4 Restore inoperable position indicators to OPERABLE status such that a maximum of one DRPI per group is inoperable.

24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> C. One or more rods with inoperable DRPIs have been moved in excess of 24 steps in one direction since the last determination of the rod's position.

C.1 Verify the position of the rods with inoperable position indicators indirectly by using core power distribution measurement information.

OR 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> C.2 Reduce THERMAL POWER to 50% RTP.

8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> (continued)

CONDITION REQUIRED ACTION COMPLETION TIME

Rod Position Indication 3.1.7 ACTIONS (continued)

CALLAWAY PLANT 3.1-18 Amendment No. 133 SURVEILLANCE REQUIREMENTS D. One demand position indicator per bank inoperable for one or more banks.

D.1.1 Verify by administrative means all DRPIs for the affected banks are OPERABLE.

AND Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> D.1.2 Verify the most withdrawn rod and the least withdrawn rod of the affected banks are 12 steps apart.

OR Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> D.2 Reduce THERMAL POWER to 50% RTP.

8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> E. Required Action and associated Completion Time not met.

E.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 /> SURVEILLANCE FREQUENCY SR 3.1.7.1 Verify each DRPI agrees within 12 steps of the group demand position for the full indicated range of rod travel.

Once prior to criticality after each removal of the reactor vessel head.

CONDITION REQUIRED ACTION COMPLETION TIME

CALLAWAY PLANT 3.1-19 Amendment No. 154 PHYSICS TESTS Exceptions - MODE 2 3.1.8 3.1 REACTIVITY CONTROL SYSTEMS 3.1.8 PHYSICS TESTS Exceptions - MODE 2 LCO 3.1.8 During the performance of PHYSICS TESTS, the requirements of LCO 3.1.3, "Moderator Temperature Coefficient (MTC)";

LCO 3.1.4, "Rod Group Alignment Limits";

LCO 3.1.5, "Shutdown Bank Insertion Limits";

LCO 3.1.6, "Control Bank Insertion Limits"; and LCO 3.4.2, "RCS Minimum Temperature for Criticality" may be suspended, and the number of required channels for LCO 3.3.1, "RTS Instrumentation," Functions 2, 3, 6, and 18.e, may be reduced to 3 required channels provided:

a.

RCS lowest operating loop average temperature is 541°F; b.

SDM is within the limits specified in the COLR; and c.

THERMAL P0WER is 5% RTP.

APPLICABILITY:

MODE 2 during PHYSICS TESTS.

ACTIONS.

CONDITION REQUIRED ACTION COMPLETION TIME A. SDM not within limit.

A.1 Initiate boration to restore SDM to within limit.

AND 15 minutes A.2 Suspend PHYSICS TESTS exceptions.

1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> B. THERMAL POWER not within limit.

B.1 Open reactor trip breakers.

Immediately (continued)

PHYSICS TESTS Exceptions - MODE 2 3.1.8 ACTIONS (continued)

CALLAWAY PLANT 3.1-20 Amendment No. 202 SURVEILLANCE REQUIREMENTS C. RCS lowest operating loop average temperature not within limit.

C.1 Restore RCS lowest operating loop average temperature to within limit.

15 minutes D. Required Action and associated Completion Time of Condition C not met.

D.1 Be in MODE 3.

15 minutes SURVEILLANCE FREQUENCY SR 3.1.8.1 Perform a CHANNEL OPERATIONAL TEST on power range and intermediate range channels per SR 3.3.1.7, SR 3.3.1.8, and Table 3.3.1 1.

Prior to initiation of PHYSICS TESTS SR 3.1.8.2 Verify the RCS lowest operating loop average temperature is 541°F.

In accordance with the Surveillance Frequency Control Program SR 3.1.8.3 Verify THERMAL POWER is 5% RTP.

In accordance with the Surveillance Frequency Control Program (continued)

CONDITION REQUIRED ACTION COMPLETION TIME

PHYSICS TESTS Exceptions - MODE 2 3.1.8 SURVEILLANCE REQUIREMENTS (continued)

CALLAWAY PLANT 3.1-21 Amendment No. 202 SR 3.1.8.4 Verify SDM is within limits provided in the COLR.

In accordance with the Surveillance Frequency Control Program SURVEILLANCE FREQUENCY

CALLAWAY PLANT 3.1-22 Amendment 202 l Corrected l RCS Boron Limitations < 500°F 3.1.9 3.1 REACTIVITY CONTROL SYSTEMS 3.1.9 RCS Boron Limitations < 500°F LCO 3.1.9 The boron concentration of the Reactor Coolant System (RCS) shall be greater than the all rods out (ARO) critical boron concentration.

APPLICABILITY:

MODE 2 with keff < 1.0 with any RCS cold leg temperature < 500°F and with Rod Control System capable of rod withdrawal, MODE 3 with any RCS cold leg temperature < 500°F and with Rod Control System capable of rod withdrawal, MODES 4 and 5 with Rod Control System capable of rod withdrawal.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.

RCS boron concentration not within limit.

A.1 Initiate boration to restore RCS boron concentration to within limit.

OR Immediately A.2 Initiate action to place the Rod Control System in a condition incapable of rod withdrawal.

OR Immediately A.3

NOTE -----------

Not applicable in MODES 4 and 5.

Initiate action to increase all RCS cold leg temperatures to 500°F.

Immediately

RCS Boron Limitations < 500°F 3.1.9 CALLAWAY PLANT 3.1-23 Amendment No. 202 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.9.1 Verify RCS boron concentration is greater than the ARO critical boron concentration.

In accordance with the Surveillance Frequency Control Program

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