Text

Watts Bar Nuclear Plant, Unit 2, Developmental Revision B - Technical Specifications 3.1 - Reactivity Control Systems
	ML100550449
Person / Time
Site:	Watts Bar
Issue date:	02/02/2010
From:	; Tennessee Valley Authority
To:	; Office of Nuclear Reactor Regulation
References
	Download: ML100550449 (21)
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SDM - T av g > 200°F 3.1.1 Watts Bar - Unit 2 3.1-1 (developmental)

A 3.1 REACTIVITY CONTROL SYSTEMS

3.1.1 SHUTDOWN MARGIN (SDM) - Tavg > 200°F

LCO 3.1.1 SDM shall be

> 1.6% k/k.

APPLICABILITY:

MODE 2 with k eff < 1.0, MODES 3 and 4.

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

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

15 minutes

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.1.1 Verify SDM is

> 1.6% k/k. 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months SDM - T av g < 200°F 3.1.2 Watts Bar - Unit 2 3.1-2 (developmental)

A 3.1 REACTIVITY CONTROL SYSTEMS

3.1.2 SHUTDOWN MARGIN (SDM) - Tavg < 200°F

LCO 3.1.2 The SDM shall be 1.0% k/k.

APPLICABILITY:

MODE 5.

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

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

15 minutes

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.2.1 Verify SDM is 1.0% k/k. 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months Core Reactivity 3.1.3 Watts Bar - Unit 2 3.1-3 (developmental)

A 3.1 REACTIVITY CONTROL SYSTEMS

3.1.3 Core Reactivity

LCO 3.1.3 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.

72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months AND A.2 Establish appropriate operating restrictions and

SRs. 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months B. Required Action and associated Completion

Time not met.

B.1 Be in MODE 3.

6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months Core Reactivity 3.1.3 Watts Bar - Unit 2 3.1-4 (developmental)

A SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.3.1

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 initial fuel

loading and each

refueling AND ----------NOTE---------

Only required after

60 EFPD

31 EFPD thereafter

MTC 3.1.4 Watts Bar - Unit 2 3.1-5 (d evelopmental)

A 3.1 REACTIVITY CONTROL SYSTEMS

3.1.4 Moderator Temperature Coefficient (MTC)

LCO 3.1.4 The MTC shall be maintained within the limits specified in the COLR. The maximum upper limit shall be 0 k/k F at hot zero power.

APPLICABILITY:

MODE 1 and MODE 2 with k eff 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 0.00667 hours 3.968254e-5 weeks 9.132e-6 months B. Required Action and associated Completion Time

of Condition A not met.

B.1 Be in MODE 2 with k eff < 1.0. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months C. MTC not within lower limit.

C.1 Be in MODE 4.

12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months MTC 3.1.4 Watts Bar - Unit 2 3.1-6 (developmental)

A SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.4.1 Verify MTC is within upper limit Once prior to entering MODE 1

after initial fuel

loading and each

refueling SR 3.1.4.2 Verify MTC is within 300 ppm Surveillance limit specified in the COLR.

NOTE---------

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

Once each cycle SR 3.1.4.3

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

1. If the MTC is more negative than the 300 ppm Surveillance limit (not LCO limit) specified in the COLR, SR 3.1.4.3 shall be repeated once per

14 EFPD during the remainder of the fuel cycle. 2. SR 3.1.4.3 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.

NOTE---------

Not required to be performed until

7 EFPD after

reaching the

equivalent of an

equilibrium

RTP-ARO boron

concentration of

300 ppm ---------------------------

Verify MTC is within lower limit.

Once each cycle

Rod Group Alignment Limits 3.1.5 Watts Bar - Unit 2 3.1-7 (developmental)

A 3.1 REACTIVITY CONTROL SYSTEMS

3.1.5 Rod Group Alignment Limits

LCO 3.1.5 All shutdown and control rods shall be OPERABLE, with all individual indicated rod positions 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) untrippable.

A.1.1 Verify SDM is 1.6% k/k. 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months OR A.1.2 Initiate boration to restore SDM to within limit.

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

6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months B. One rod not within alignment limits.

B.1 Restore rod to within alignment limits.

1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months OR B.2.1.1 Verify SDM is 1.6% k/k. 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months OR B.2.1.2 Initiate boration to restore SDM to within limit.

1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months AND (continued)

Rod Group Alignment Limits 3.1.5 Watts Bar - Unit 2 3.1-8 (developmental)

A ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME B. (continued)

B.2.2 Reduce THERMAL POWER to < 75% RTP.

2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months AND B.2.3 Verify SDM is 1.6% k/k. Once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months AND B.2.4 Perform SR 3.2.1.1.

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

72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months AND 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 0.00167 hours 9.920635e-6 weeks 2.283e-6 months D. More than one rod not within alignment limit.

D.1.1 Verify SDM is 1.6% k/k. 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months OR D.1.2 Initiate boration to restore required SDM to within

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

6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months Rod Group Alignment Limits 3.1.5 Watts Bar - Unit 2 3.1-9 (developmental)

A SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.5.1 Verify individual rod positions within alignment limit.

12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months AND Once within 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months

and every 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months

thereafter when the

rod position

deviation monitor is

inoperable SR 3.1.5.2 Verify rod freedom of movement (tripability) by moving each rod not fully inserted in the core 10 steps in either direction.

92 days SR 3.1.5.3 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 551 F; and b. All reactor coolant pumps operating.

Prior to reactor criticality after initial

fuel loading and

each removal of the

reactor head

Shutdown Bank Insertion Limits 3.1.6 Watts Bar - Unit 2 3.1-10 (developmental)

A 3.1 REACTIVITY CONTROL SYSTEMS

3.1.6 Shutdown Bank Insertion Limits

LCO 3.1.6 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 3.1.5.2.

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

A.1.1 Verify SDM is 1.6% k/k. 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months OR A.1.2 Initiate boration to restore SDM to within limit.

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

2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months B. Required Action and associated Completion

Time not met.

B.1 Be in MODE 3.

6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months Shutdown Bank Insertion Limits 3.1.6 Watts Bar - Unit 2 3.1-11 (developmental)

A SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.6.1 Verify each shutdown bank is within the limits specified in the COLR 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months Control Bank Insertion Limits 3.1.7 Watts Bar - Unit 2 3.1-12 (developmental)

A 3.1 REACTIVITY CONTROL SYSTEMS

3.1.7 Control Bank Insertion Limits

LCO 3.1.7 Control banks shall be within the insertion, sequence, and overlap limits specified in the COLR

APPLICABILITY: MODE 1, MODE 2 with k ef f 1.0.

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

This LCO is not applicable while performing SR 3.1.5.2.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Control bank insertion limits not met. A.1.1 Verify SDM is 1.6% k/k. 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months OR A.1.2 Initiate boration to restore SDM to within limit.

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

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

Control Bank Insertion Limits 3.1.7 Watts Bar - Unit 2 3.1-13 (developmental)

A REQUIRED ACTION ACTIONS (continued)

CONDITION COMPLETION TIME B. Control bank sequence or overlap limits not met.

B.1.1 Verify SDM is 1.6% k/k. 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months OR B.1.2 Initiate boration to restore SDM to within limit.

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

within limits.

2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months C. Required Action and associated Completion

Time not met.

C.1 Be in MODE 3.

6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.7.1 Verify estimated critical control bank position is within the limits specified in the COLR.

Within 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months prior

to achieving

criticality (continued)

Control Bank Insertion Limits 3.1.7 Watts Bar - Unit 2 3.1-14 (developmental)

A SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.1.7.2 Verify each control bank insertion is within the limits specified in the COLR.

12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months AND Once within 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months

and every 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months

thereafter when the

rod insertion limit

monitor is

inoperable SR 3.1.7.3 Verify sequence and overlap limits specified in the COLR are met for control banks not fully withdrawn

from the core.

12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months Rod Position Indication 3.1.8 Watts Bar - Unit 2 3.1-15 (developmental)

B 3.1 REACTIVITY CONTROL SYSTEMS

3.1.8 Rod Position Indication

LCO 3.1.8 The Analog Rod Position Indication (ARPI) 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 per group and

each demand position indicator per bank.

CONDITION REQUIRED ACTION COMPLETION TIME

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

Rod position monitoring by

Required Actions A.2.1 and

A.2.2 may only be applied to

one inoperable ARPI and shall

only be allowed: (1) until the

end of the current cycle, or

(2) until an entry into MODE 5

of sufficient duration, whichever

occurs first, when the repair of

the inoperable ARPI can safely

be performed. Required

Actions A.2.1, A.2.2 and A.2.3

shall not be allowed after the

plant has been in MODE 5 or

other plant condition, for a

sufficient period of time, in

which the repair of the

inoperable ARPI could have

safely been performed.

A.1 Verify the position of the rods with inoperable position indicators by

using the PDMS.

Once per 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months OR A.2.1 Verify the position of the rod with the inoperable

position indicator by using

the PDMS.

8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months AND Once every 31 days thereafter AND 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months , if rod control system parameters

indicate unintended

movement A. One ARPI per group inoperable for one or more

groups. AND (continued)

Rod Position Indication 3.1.8 Watts Bar - Unit 2 3.1-16 (developmental)

B ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. (continued) A.2.2 Review the parameters of the rod control system for indications of unintended

rod movement for the rod

with an inoperable

position indicator.

16 hours1.851852e-4 days 0.00444 hours 2.645503e-5 weeks 6.088e-6 months AND Once per 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months thereafter AND A.2.3 Verify the position of the rod with an inoperable

position indicator by using

the PDMS.

8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months , if the rod

with an inoperable

position indicator is

moved greater than

12 steps.

AND Prior to increasing THERMAL POWER

above 50% RTP and

within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months of

reaching 100% RTP OR A.3 Reduce THERMAL POWER to less than or

equal to 50% RTP.

8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months B. One or more rods with inoperable position

indicators have been moved

in excess of 24 steps in one

direction since the last

determination of the rod's

position. B.1 Verify the position of the rods with inoperable

position indicators by

using the PDMS.

4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months OR B.2 Reduce THERMAL POWER to less than or

equal to 50% RTP.

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

Rod Position Indication 3.1.8 Watts Bar - Unit 2 3.1-17 (developmental)

A ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME C. One demand position indicator per bank inoperable for one or more

banks. C.1.1 Verify by administrative means all ARPIs for the

affected banks are

OPERABLE.

Once per 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months AND C.1.2 Verify the most withdrawn rod and the least

withdrawn rod of the

affected banks are less

than or equal to 12 steps

apart. Once per 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months OR C.2 Reduce THERMAL POWER to less than or

equal to 50% RTP.

8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months D. Required Action and associated Completion

Time not met D.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.8.1 Verify each ARPI agrees within 12 steps of the group demand position for the full indicated range of rod

travel. 18 months

PHYSICS TESTS Exceptions - MODE 1 3.1.9 Watts Bar - Unit 2 3.1-18 (developmental)

A 3.1 REACTIVITY CONTROL SYSTEMS

3.1.9 PHYSICS TESTS Exceptions - MODE 1

LCO 3.1.9 During the performance of PHYSICS TESTS, the requirements of

LCO 3.1.5, "Rod Group Alignment Limits";

LCO 3.1.6, "Shutdown Bank Insertion Limits";

LCO 3.1.7, "Control Bank Insertion Limits";

LCO 3.2.3, "AXIAL FLUX DIFFERENCE (AFD)"; and

LCO 3.2.4, "QUADRANT POWER TILT RATIO (QPTR)"

may be suspended, provided:

a. THERMAL POWER is maintained 85% RTP;

b. Power Range Neutron Flux - High trip setpoints are 10% RTP above the THERMAL POWER at which the test is performed, with a maximum setting of 90% RTP; and

c. SDM is 1.6% k/k.

APPLICABILITY:

MODE 1 during PHYSICS TESTS.

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

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

15 minutes AND A.2 Suspend PHYSICS TESTS exceptions.

1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months (continued)

PHYSICS TESTS Exceptions - MODE 1 3.1.9 Watts Bar - Unit 2 3.1-19 (developmental)

A ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME B. THERMAL POWER not within limit.

B.1 Reduce THERMAL POWER to within limit.

1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months OR B.2 Suspend PHYSICS TESTS exceptions 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months C. Power Range Neutron Flux - High trip setpoints 10% RTP above the PHYSICS TEST power level. OR Power Range Neutron

Flux - High trip setpoints 90% RTP.

C.1 Restore Power Range Neutron Flux - High trip

setpoints to 10% above the PHYSICS TEST power level, or to 90% RTP, whichever is lower. 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months OR C.2 Suspend PHYSICS TESTS exceptions.

1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.9.1 Verify THERMAL POWER is 85% RTP.

1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months SR 3.1.9.2 Verify Power Range Neutron Flux - High trip setpoints are 10% above the PHYSICS TESTS power level, and 90% RTP.

Within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months prior

to initiation of

PHYSICS TESTS SR 3.1.9.3 Perform SR 3.2.1.1 and SR 3.2.2.1.

12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months SR 3.1.9.4 Verify SDM is 1.6% k/k. 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months PHYSICS TESTS Exceptions - MODE 2 3.1.10 Watts Bar - Unit 2 3.1-20 (developmental)

A 3.1 REACTIVITY CONTROL SYSTEMS

3.1.10 PHYSICS TESTS Exceptions - MODE 2

LCO 3.1.10 During the performance of PHYSICS TESTS, the requirements of

LCO 3.1.4, "Moderator Temperature Coefficient (MTC)";

LCO 3.1.5, "Rod Group Alignment Limits";

LCO 3.1.6, "Shutdown Bank Insertion Limits";

LCO 3.1.7, "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 16.e, may be reduced to "3"

required channels provided:

a. RCS lowest loop average temperature is 541 F; and b. SDM is 1.6% k/k.

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.

15 minutes AND A.2 Suspend PHYSICS TESTS exceptions.

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

B.1 Open reactor trip breakers.

Immediately (continued)

PHYSICS TESTS Exceptions - MODE 2 3.1.10 Watts Bar - Unit 2 3.1-21 (developmental)

A REQUIRED ACTION ACTIONS (continued)

CONDITION COMPLETION TIME C. RCS lowest loop average temperature not within limit.

C.1 Restore RCS lowest 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 REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.10.1 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 3.1.10.2 Verify the RCS lowest loop average temperature is 541 F. 30 minutes SR 3.1.10.3 Verify SDM is 1.6% k/k. 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months

ML100550449

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