Text

Technical Specifications for Amendment 123, Limited Removal of Suspension of Positive Reactivity Additions
	ML022120038
Person / Time
Site:	Wolf Creek
Issue date:	07/29/2002
From:	Donohew J; NRC/NRR/DLPM/LPD4
To:	;
References
	TAC MB4236
	Download: ML022120038 (28)
	v • d • e

RTS Instrumentation 3.3.1 ACTIONS (continued)

CONDITION REQUIRED ACTION I COMPLETION TIME D.

One Power Range Neutron Flux-High channel inoperable.

NOTE -.................

The inoperable channel may be bypassed for up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months for surveillance testing and setpoint adjustment of other channels.

D.1.1 Place channel in trip.

AND D.1.2 Reduce THERMAL POWER to

75% RTP.

OR I D.2.1 Place channel in trip.

AND D.2.2 NOTE------

Only required to be performed when the Power Range Neutron Flux input to QPTR is inoperable.

Perform SR 3.2.4.2.

OR D.3 Be in MODE 3.

6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months 12 hours 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months Once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months 12 hours (continued)

Amendment No. 123 Wolf Creek - Unit 1 3.3-3

RTS Instrumentation 3.3.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME E.

One channel inoperable. -----------------

NOTE --------

The inoperable channel may be bypassed for up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months for surveillance testing of other channels.

E.1 Place channel in trip.

6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months OR E.2 Be in MODE 3.

12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months F.

One Intermediate Range F.1 Reduce THERMAL 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months Neutron Flux channel POWER to < P-6.

inoperable.

OR F.2 Increase THERMAL 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months POWER to > P-10.

G.

Two Intermediate Range G.1

NOTE Neutron Flux channels Limited boron inoperable, concentration changes associated with RCS inventory control or limited plant temperature changes are allowed.

Suspend operations Immediately involving positive reactivity additions.

AND G.2 Reduce THERMAL 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months POWER to < P-6.

(continued)

Amendment No. 4-23, 145 Wolf Creek - Unit 1 3.3-4

RTS Instrumentation 3.3.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME H.

Not Used.

One Source Range 1.1 NOTE-----

Neutron Flux channel Limited boron inoperable, concentration changes associated with RCS inventory control or limited plant temperature changes are allowed.

Suspend operations Immediately involving positive reactivity additions.

J.

Two Source Range J.1 Open reactor trip breakers Immediately Neutron Flux channels (RTBs).

inoperable.

K.

One Source Range K.1 Restore channel to 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months Neutron Flux channel OPERABLE status.

inoperable.

OR K.2.1 Initiate action to fully insert 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months all rods.

AND K.2.2 Place the Rod Control 49 hours5.671296e-4 days 0.0136 hours 8.101852e-5 weeks 1.86445e-5 months System in a condition incapable of rod withdrawal.

(continued)

Amendment No. 4-2-3, 145 Wolf Creek - Unit 1 3.3-5

RTS Instrumentation 3.3.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME L.

Not Used.

M. One channel inoperable.

NOTE The inoperable channel may be bypassed for up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months for surveillance testing of other channels.

M.1 Place channel in trip.

6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months OR M.2 Reduce THERMAL 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months POWER to < P-7.

N.

Not Used.

0.

One Low Fluid Oil NOTE-------

Pressure Turbine Trip The inoperable channel may be channel inoperable, bypassed for up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months for surveillance testing of other channels.

0.1 Place channel in trip.

6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months OR 0.2 Reduce THERMAL POWER to < P-9.

10 hours1.157407e-4 days 0.00278 hours 1.653439e-5 weeks 3.805e-6 months (continued)

Wolf Creek - Unit 1 3.3-6 Amendment No. 123

RCS Loops - MODE 3 3.4.5 3.4 REACTOR COOLANT SYSTEM (RCS) 3.4.5 RCS Loops - MODE 3 LCO 3.4.5 Two RCS loops shall be OPERABLE, and either:

a.

Two RCS loops shall be in operation when the Rod Control System is capable of rod withdrawal; or

b.

One RCS loop shall be in operation when the Rod Control System is not capable of rod withdrawal.

NOTES

1.

All reactor coolant pumps may be removed from operation for

< 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months per 8 hour9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months period provided:

a.

No operations are permitted that would cause introduction into the RCS, coolant with boron concentration less than required to meet the SDM of LCO 3.1.1; and

b.

Core outlet temperature is maintained at least 1 0°F below saturation temperature.

2.

No RCP shall be started with any RCS cold leg temperature

_< 3680F unless the secondary side water temperature of each steam generator is _<50°F above each of the RCS cold leg temperatures.

APPLICABILITY:

MODE 3.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.

One required RCS loop A.1 Restore required RCS 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months inoperable, loop to OPERABLE status.

(continued)

Amendment No. 2,3, 145 Wolf Creek - Unit 1 3.4-9

RCS Loops - MODE 3 3.4.5 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME B.

Required Action and B.1 Be in MODE 4.

12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months associated Completion Time of Condition A not met.

C.

One required RCS loop not C.1 Restore required RCS 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months in operation with Rod loop to operation.

Control System capable of rod withdrawal.

OR C.2 Place the Rod Control 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months System in a condition incapable of rod withdrawal.

D.

Required RCS loops D.1 Place the Rod Control Immediately inoperable.

System in a condition incapable of rod OR withdrawal.

No RCS loop in operation.

AND D.2 Suspend operations that Immediately would cause introduction into the RCS, coolant with boron concentration less than required to meet SDM of LCO 3.1.1.

AND D.3 Initiate action to restore Immediately one RCS loop to OPERABLE status and operation.

Amendment No. 1-2-3, 145 Wolf Creek - Unit 1 3.4-10

RCS Loops - MODE 3 3.4.5 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.5.1 Verify required RCS loops are in operation.

12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months SR 3.4.5.2 Verify steam generator secondary side narrow range 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months water levels are > 6% for required RCS loops.

SR 3.4.5.3 Verify correct breaker alignment and indicated power 7 days are available to the required pump that is not in operation.

Amendment No. 123 Wolf Creek - Unit 1 3.4-11

RCS Loops - MODE 4 3.4.6 3.4 REACTOR COOLANT SYSTEM (RCS) 3.4.6 RCS Loops - MODE 4 LCO 3.4.6 APPLICABILITY:

Two loops consisting of any combination of RCS loops and residual heat removal (RHR) loops shall be OPERABLE, and one loop shall be in operation.

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

1.

All reactor coolant pumps (RCPs) and RHR pumps may be removed from operation for < 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months per 8 hour9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months period provided:

a.

No operations are permitted that would cause introduction into the RCS, coolant with boron concentration less than required to meet the SDM of LCO 3.1.1; and

b.

Core outlet temperature is maintained at least 1 0°F below saturation temperature.

2.

No RCP shall be started with any RCS cold leg temperature _< 3680F unless the secondary side water temperature of each steam generator (SG) is _< 50°F above each of the RCS cold leg temperatures.

MODE 4.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.

One required loop A.1 Initiate action to restore a Immediately inoperable, second loop to OPERABLE status.

AND (continued)

Amendment No. 42-3, 145 Wolf Creek - Unit 1 3.4-12

RCS Loops - MODE 4 3.4.6 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME A.

(continued)

A.2 -

NOTEE--

Only required if one RHR loop is OPERABLE.

Be in MODE 5.

24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months B.

Required loops inoperable.

B.1 Suspend operations that Immediately would cause introduction OR into the RCS, coolant with boron concentration less No RCS or RHR loop in than required to meet operation.

SDM of LCO 3.1.1.

AND B.2 Initiate action to restore Immediately one loop to OPERABLE status and operation.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.6.1 Verify one RHR or RCS loop is in operation.

12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months SR 3.4.6.2 Verify SG secondary side narrow range water levels 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months are _> 6% for required RCS loops.

SR 3.4.6.3 Verify correct breaker alignment and indicated power 7 days are available to the required pump that is not in operation.

Amendment No. 4-23, 145 Wolf Creek - Unit 1 3.4-13

RCS Loops - MODE 5, Loops Filled 3.4.7 3.4 REACTOR COOLANT SYSTEM (RCS) 3.4.7 RCS Loops - MODE 5, Loops Filled LCO 3.4.7 One residual heat removal (RHR) loop shall be OPERABLE and in operation, and either:

a.

One additional RHR loop shall be OPERABLE; or

b.

The secondary side wide range water level of at least two steam generators (SGs) shall be _> 66%.

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

1.

The RHR pump of the loop in operation may be removed from operation for _ 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months per 8 hour9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months period provided:

a.

No operations are permitted that would cause introduction into the RCS, coolant with boron concentration less than required to meet the SDM of LCO 3.1.1; and

b.

Core outlet temperature is maintained at least 10°F below saturation temperature.

2.

One required RHR loop may be inoperable for up to 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months for surveillance testing provided that the other RHR loop is OPERABLE and in operation.

3.

No reactor coolant pump shall be started with any RCS cold leg temperature < 368°F unless the secondary side water temperature of each SG is < 50°F above each of the RCS cold leg temperatures.

4.

All RHR loops may be removed from operation during planned heatup to MODE 4 when at least one RCS loop is in operation.

AP-Pd-------------------------------------------------------

APPLICABILITY:

MODE 5

with RCS loops filled.

Amendment No. 1-2-3, 145 Wolf Creek - Unit 1 3.4-14

RCS Loops - MODE 5, Loops Filled 3.4.7 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.

One RHR loop inoperable.

A.1 Initiate action to restore a Immediately second RHR loop to AND OPERABLE status.

Required SGs secondary OR side water levels not within limits.

A.2 Initiate action to restore Immediately required SG secondary side water levels to within limits.

B.

Required RHR loops B.1 Suspend operations that Immediately inoperable, would cause introduction into the RCS, coolant with OR boron concentration less than required to meet No RHR loop in operation.

SDM of LCO 3.1.1.

AND B.2 Initiate action to restore Immediately one RHR loop to OPERABLE status and operation.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.7.1 Verify one RHR loop is in operation.

12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months (continued)

Amendment No. 4-2-,

145 Wolf Creek - Unit 1 3.4-15

RCS Loops-MODE 5, Loops Filled 3.4.7 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.4.7.2 Verify SG secondary side wide range water level is 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months

_> 66% in required SGs.

SR 3.4.7.3 Verify correct breaker alignment and indicated power 7 days are available to the required RHR pump that is not in operation.

Amendment No. 123 Wolf Creek - Unit 1 3.4-16

RCS Loops - MODE 5, Loops Not Filled 3.4.8 3.4 REACTOR COOLANT SYSTEM (RCS) 3.4.8 RCS Loops - MODE 5, Loops Not Filled Two residual heat removal (RHR) loops shall be OPERABLE and one RHR loop shall be in operation.

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

1.

All RHR pumps may be removed from operation for < 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months provided:

a.

The core outlet temperature is maintained at least 10°F below saturation temperature;

b.

No operations are permitted that would cause introduction into the RCS, coolant with boron concentration less than required to meet the SDM of LCO 3.1.1; and

c.

Reactor vessel water level is above the vessel flange.

2.

One RHR loop may be inoperable for _< 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months for surveillance testing provided that the other RHR loop is OPERABLE and in operation.

APPLICABILITY:

MODE 5 with RCS loops not filled.

NOTE---

While this LCO is not met, entry into MODE 5 Loops Not Filled from MODE 5 Loops Filled is not permitted.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.

One RHR loop inoperable.

A.1 Initiate action to restore Immediately RHR loop to OPERABLE status.

(continued)

Amendment No. 123,131, 145 LCO 3.4.8 Wolf Creek - Unit 1 3.4-17

RCS Loops - MODE 5, Loops Not Filled 3.4.8 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME B.

Required RHR loops B.1 Suspend operations that Immediately inoperable, would cause introduction into the RCS, coolant with OR boron concentration less than required to meet the No RHR loop in operation SDM of LCO 3.1.1.

AND B.2 Initiate action to restore Immediately one RHR loop to OPERABLE status and operation.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.8.1 Verify one RHR loop is in operation.

12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months SR 3.4.8.2 Verify correct breaker alignment and indicated power 7 days are available to the required RHR pump that is not in operation.

Amendment No. 1!23, 1,34, 145 Wolf Creek - Unit 1 3.4-18

AC Sources - Shutdown 3.8.2 3.8 ELECTRICAL POWER SYSTEMS 3.8.2 AC Sources-Shutdown The following AC electrical power sources shall be OPERABLE:

a.

One qualified circuit between the offsite transmission network and the onsite Class 1 E AC electrical power distribution subsystem required by LCO 3.8.10, "Distribution Systems - Shutdown"; and

b.

One diesel generator (DG) capable of supplying one train of the onsite Class 1 E AC electrical power distribution subsystems required by LCO 3.8.10.

c.

The shutdown portion of one load shedder and emergency load sequencer (LSELS) associated with the required DG and AC electrical power distribution train.

APPLICABILITY:

MODES 5 and 6.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.

One required offsite circuit

NOTE ----------

inoperable.

Enter applicable Conditions and Required Actions of LCO 3.8.10, with the required train de-energized as a result of Condition A.

A.1 Declare affected required Immediately feature(s) with no offsite power available inoperable.

OR A.2.1 Suspend CORE Immediately ALTERATIONS.

AND (continued)

Amendment No. 123 LCO 3.8.2 Wolf Creek - Unit 1 3.8-17

AC Sources - Shutdown 3.8.2 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME A.

(continued)

A.2.2 Suspend movement of Immediately irradiated fuel assemblies.

AND A.2.3 Suspend operations Immediately involving positive reactivity additions that could result in loss of required SDM or boron concentration.

AND A.2.4 Initiate action to restore Immediately required offsite power circuit to OPERABLE status.

B.

One required DG B.1 Suspend CORE Immediately inoperable.

ALTERATIONS.

AND B.2 Suspend movement of Immediately irradiated fuel assemblies.

AND B.3 Suspend operations Immediately involving positive reactivity additions that could result in loss of required SDM or boron concentration.

AND B.4 Initiate action to restore Immediately required DG to OPERABLE status.

(continued)

Amendment No. 4-2.3, 145 Wolf Creek - Unit 1 3.8-18

DC Sources - Shutdown 3.8.5 3.8 ELECTRICAL POWER SYSTEMS 3.8.5 DC Sources - Shutdown LCO 3.8.5 APPLICABILITY:

ACTIONS The Train A or Train B DC electrical power subsystem shall be OPERABLE to support one train of the DC electrical power distribution subsystems required by LCO 3.8.10, "Distribution Systems - Shutdown."

MODES 5 and 6.

CONDITION REQUIRED ACTION COMPLETION TIME A.

Required DC electrical power subsystem inoperable.

A.1 Declare affected required feature(s) inoperable.

OR A.2.1 Suspend CORE ALTERATIONS.

AND A.2.2 Suspend movement of irradiated fuel assemblies.

AND A.2.3 Suspend operations involving positive reactivity additions that could result in loss of required SDM or boron concentration.

AND A.2.4 Initiate action to restore required DC electrical power subsystem to OPERABLE status.

Immediately Immediately Immediately Immediately Immediately J.

Amendment No. 4-23, 145 Wolf Creek - Unit 1 3.8-27

DC Sources - Shutdown 3.8.5 SURVEILLANCE REQUIREMENTS SURVEILLANCE NO TE -----------------------------------

The following SRs are not required to be performed:

SR 3.8.4.6, SR 3.8.4.7, and SR 3.8.4.8.

For DC sources required to be OPERABLE, the following SRs are applicable:

SR 3.8.4.4 SR 3.8.4.5 SR 3.8.4.6 SR 3.8.4.7 SR 3.8.4.8.

SR 3.8.4.1 SR 3.8.4.2 SR 3.8.4.3 FREQUENCY In accordance with applicable SRs Wolf Creek - Unit 1 SR 3.8.5.1 I

I I

3.8-28 Amendment No. 123

Inverters - Operating 3.8.7 3.8 ELECTRICAL POWER SYSTEMS 3.8.7 Inverters-Operating LCO 3.8.7 APPLICABILITY:

The required Train A and Train B inverters shall be OPERABLE.

MODES 1, 2, 3, and 4.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.

One required inverter A.1 NOTE inoperable.

Enter applicable Conditions and Required Actions of LCO 3.8.9, "Distribution Systems Operating" with any vital bus de-energized.

Restore inverter to 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months OPERABLE status.

B.

Required Action and B.1 Be in MODE 3.

6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met.

AND B.2 Be in MODE 5.

36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.7.1 Verify correct inverter voltage and alignment to 7 days required AC vital buses.

Amendment No. 123 Wolf Creek - Unit 1 3.8-33

Inverters - Shutdown 3.8.8 3.8 ELECTRICAL POWER SYSTEMS 3.8.8 Inverters-Shutdown LCO 3.8.8 APPLICABILITY:

The Train A or Train B inverters shall be OPERABLE to support one train of the onsite Class 1 E AC vital bus electrical power distribution subsystems required by LCO 3.8.10, "Distribution Systems - Shutdown."

MODES 5 and 6.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.

One or more required A.1 Declare affected required Immediately inverters inoperable, feature(s) inoperable.

OR A.2.1 Suspend CORE Immediately ALTERATIONS.

AND A.2.2 Suspend movement of Immediately irradiated fuel assemblies.

AND A.2.3 Suspend operations Immediately involving positive reactivity additions that could result in loss of required SDM or boron concentration.

AND A.2.4 Initiate action to restore Immediately required inverters to OPERABLE status.

Amendment No. --2,3, 145 Wolf Creek - Unit 1 3.8-34

Distribution Systems - Operating 3.8.9 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME D.

One DC electrical power D.1 Restore DC electrical 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months distribution subsystem power distribution inoperable, subsystem to OPERABLE AND status.

16 hours1.851852e-4 days 0.00444 hours 2.645503e-5 weeks 6.088e-6 months from discovery of failure to meet LCO E.

Required Action and E.1 Be in MODE 3.

6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months associated Completion Time not met.

AND E.2 Be in MODE 5.

36 hours4.166667e-4 days 0.01 hours 5.952381e-5 weeks 1.3698e-5 months F.

Two trains with inoperable F.1 Enter LCO 3.0.3.

Immediately distribution subsystems that result in a loss of safety function.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.9.1 Verify correct breaker alignments and voltage to AC, 7 days DC, and AC vital bus electrical power distribution subsystems.

Amendment No. 123 Wolf Creek - Unit 1 3.8-37

Distribution Systems - Shutdown 3.8.10 3.8 ELECTRICAL POWER SYSTEMS 3.8.10 Distribution Systems - Shutdown LCO 3.8.10 APPLICABILITY:

The necessary portion of the Train A or Train B AC, DC, and AC vital bus electrical power distribution subsystems shall be OPERABLE to support one train of equipment required to be OPERABLE.

MODES 5 and 6.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.

One or more required AC, A.1 Declare associated Immediately DC, or AC vital bus supported required electrical power distribution feature(s) inoperable.

subsystems inoperable.

OR A.2.1 Suspend CORE Immediately ALTERATIONS.

AND A.2.2 Suspend movement of Immediately irradiated fuel assemblies.

AND A.2.3 Suspend operations Immediately involving positive reactivity additions that could result in loss of required SDM or boron concentration.

AND (continued)

Amendment No. 4-23, 145 Wolf Creek - Unit 1 3.8-38

Nuclear Instrumentation 3.9.3 3.9 REFUELING OPERATIONS 3.9.3 Nuclear Instrumentation LCO 3.9.3 APPLICABILITY:

Two source range neutron flux monitors shall be OPERABLE.

MODE 6.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.

One required source range A.1 Suspend CORE Immediately neutron flux monitor ALTERATIONS.

inoperable.

AND A.2 Suspend operations that Immediately would cause introduction into the RCS, coolant with boron concentration less than required to meet the boron concentration of LCO 3.9.1.

B.

Two required source range B.1 Initiate action to restore Immediately neutron flux monitors one source range neutron inoperable, flux monitor to OPERABLE status.

AND B.2 Perform SR 3.9.1.1.

Once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months Amendment No., 145 Wolf Creek - Unit 1 3.9-3

Nuclear Instrumentation 3.9.3 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.3.1 Perform CHANNEL CHECK.

12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months SR 3.9.3.2

NOTE Neutron detectors are excluded from CHANNEL CALIBRATION.

Perform CHANNEL CALIBRATION.

18 months Wolf Creek - Unit 1 3.9-4 Amendment No. 123

RHR and Coolant Circulation - High Water Level 3.9.5 3.9 REFUELING OPERATIONS 3.9.5 Residual Heat Removal (RHR) and Coolant Circulation - High Water Level LCO 3.9.5 One RHR loop shall be OPERABLE and in operation.

NOTE The required RHR loop may be removed from operation for _ 1 hour1.157407e-5 days 2.777778e-4 hours 1.653439e-6 weeks 3.805e-7 months per 8 hour9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months period, provided no operations are permitted that would cause introduction into the Reactor Coolant System, coolant with boron concentration less than that required to meet the minimum required boron concentration of LCO 3.9.1.

APPLICABILITY:

MODE 6 with the water level > 23 ft above the top of reactor vessel flange.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.

RHR loop requirements not A.1 Suspend operations that Immediately met.

would cause introduction into the RCS, coolant with boron concentration less than required to meet the boron concentration of LCO 3.9.1.

AND A.2 Suspend loading Immediately irradiated fuel assemblies in the core.

AND A.3 Initiate action to satisfy Immediately RHR loop requirements.

AND (continued)

Amendment No. 41-23, 145 Wolf Creek - Unit 1 3.9-7

RHR and Coolant Circulation - High Water Level 3.9.5 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME A.

(continued)

A.4 Close all containment 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months penetrations providing direct access from containment atmosphere to outside atmosphere.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.5.1 Verify one RHR loop is in operation and circulating 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months reactor coolant at a flow rate of_> 1000 gpm.

Wolf Creek - Unit 1 3.9-8 Amendment No. 123

RHR and Coolant Circulation - Low Water Level 3.9.6 3.9 REFUELING OPERATIONS 3.9.6 Residual Heat Removal (RHR) and Coolant Circulation - Low Water Level LCO 3.9.6 APPLICABILITY:

Two RHR loops shall be OPERABLE, and one RHR loop shall be in operation.

MODE 6 with the water level < 23 ft above the top of reactor vessel flange.

NOTE While this LCO is not met, entry into a MODE or other specified condition in the Applicability is not permitted.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A.

Less than the required A.1 Initiate action to restore Immediately number of RHR loops required RHR loops to OPERABLE.

OPERABLE status.

OR A.2 Initiate action to establish Immediately

_> 23 ft of water above the top of reactor vessel flange.

B.

No RHR loop in operation.

B.1 Suspend operations that Immediately would cause introduction into the RCS, coolant with boron concentration less than required to meet the boron concentration of LCO 3.9.1.

AND (continued)

Amendment No. 4-2-,

145 Wolf Creek - Unit 1 3.9-9

RHR and Coolant Circulation - Low Water Level 3.9.6 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME B.

(continued)

B.2 Initiate action to restore Immediately one RHR loop to operation.

AND B.3 Close all containment 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months penetrations providing direct access from containment atmosphere to outside atmosphere.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.9.6.1 Verify one RHR loop is in operation and circulating 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months reactor coolant at a flow rate of > 1000 gpm.

SR 3.9.6.2 Verify correct breaker alignment and indicated power 7 days available to the required RHR pump that is not in operation.

Wolf Creek - Unit 1 3.9-10 Amendment No. 123

v t e Letter Sequence Other
TAC:MB4236, (Approved, Closed)
Initiation Acceptance... Administration Questions Answers Results Approval Other: ML022120038
MONTHYEAR2002-07-29 [Table View]

ML022120038

Text

Navigation menu

Search