ML031750552

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Amendment No. 105 and 105, Technical Specifications, Removal of Suspension of Positive Reactivity Additions
ML031750552
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 06/24/2003
From:
NRC/NRR/DLPM/LPD4
To:
Donohew J N, NRR/DLPM,415-1307
Shared Package
ML031750199 List:
References
TAC MB6890, TAC MB6891
Download: ML031750552 (18)
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Text

RTS Instrumentation 3.3.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME E. One channel inoperable.

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

E.1 Place channel in trip. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> OR E.2 Be in MODE 3. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> F. One Intermediate Range F.1 Reduce THERMAL 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> Neutron Flux channel POWER to < P-6.

inoperable.

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

G. Two Intermediate Range G.1 ----- NOTE-- ---- Immediately Neutron Flux channels Limited boron inoperable. concentration changes associated with RCS Inventory control or limited plant temperature changes are allowed.

Suspend operations involving positive reactivity additions.

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

H. Not used.

(continued)

COMANCHE PEAK - UNITS 1 AND 2 3.3-4 Amendment N. 105

RTS Instrumentation 3.3.1 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME

1. One Source Range Neutron 1.1 N NOTEImmediately Flux channel inoperable. Limited boron concentration changes associated with RCS inventory control or limited plant temperature changes are allowed.

Suspend operations involving positive reactivity additions.

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

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

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

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

L. Not used.

(continued)

COMANCHE PEAK - UNITS 1 AND 2 3.3-5 Amendment No. 105

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.

NOTE All reactor coolant pumps may be removed from operation for s 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> per 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> period provided:

a. No operations are permitted that would cause introduction of coolant into the RCS 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.

APPLICABILITY: MODE 3 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One required RCS loop A.1 Restore required RCS 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> inoperable. loop to OPERABLE status.

(continued)

COMANCHE PEAK - UNITS I AND 2 3.4-8 Amendment No. 64105

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 <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> associated Completion Time of Condition A not met.

C. One required RCS loop not C.1 Restore required RCS 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> 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 <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> System in a condition incapable of rod withdrawal.

D. Four RCS loops inoperable. D.1 Place the Rod Control Immediately System in a condition OR incapable of rod withdrawal.

No RCS loop in operation.

AND D.2 Suspend operations that Immediately would cause introduction of coolant into the RCS 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.

COMANCHE PEAK - UNITS I AND 2 3.4-9 Amendment No. 64 105

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

Lle%Tr'f

- -____-- IL I t:S-

1. All reactor coolant pumps (RCPs) and RHR pumps may be removed from operation for 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> per 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> period provided:
a. No operations are permitted that would cause introduction of coolant into the RCS 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. No RCP shall be started with any RCS cold leg temperature c 350°F unless the secondary side water temperature of each steam generator (SG) is < 50°F above each of the RCS cold leg temperatures.

APPLICABILITY: MODE 4 COMANCHE PEAK - UNITS 1 AND 2 3.4-1 1 Amendment No. 64, 105

RCS Loops -MODE 4 3.4.6 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 A.2 ---- NOTE Only required if one RHR loop is OPERABLE Be in MODE 5. 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> B. Two required loops B.1 Suspend operations that Immediately inoperable. would cause introduction of coolant into the RCS OR with boron concentration less than required to No RCS or RHR loop in meet SDM of LCO 3.1.1.

operation.

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

COMANCHE PEAK - UNITS 1 AND 2 3.4-12 Amendment No. 64, 105

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 water level of at least two steam generators (SGs) shall be > 10% .

-- NOTES

1. The RHR pump of the loop in operation may be removed from operation for < 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> per 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> period provided:
a. No operations are permitted that would cause introduction of coolant into the RCS 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 <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> 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 < 350°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.

APPLICABILITY: MODE 5 with RCS loops filled COMANCHE PEAK - UNITS 1 AND 2 3.4-14 Amendment No. 64, 105

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 of coolant into the RCS OR with boron concentration less than required to No RHR loop in operation. meet 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 <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> (continued)

COMANCHE PEAK - UNITS 1 AND 2 3.4-1 5 Amendment No. 64, 105

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 LCO 3.4.8 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 <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> provided:
a. The core outlet temperature is maintained at least 10°F below saturation temperature.
b. No operations are permitted that would cause introduction of coolant into the RCS with boron concentration less than required to meet the SDM of LCO 3.1.1; and
c. No draining operations to further reduce the RCS water volume are permitted.
2. One RHR loop may be inoperable for < 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> for surveillance testing provided that the other RHR loop is OPERABLE and in operation.

APPLICABILITY: MODE 5 with RCS loops not filled

-N4 I L:-

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

COMANCHE PEAK- UNITS 1 AND 2 3.4-1 7 Amendment No. 84, 105

RCS Loops -MODE 5, Loops Not Filled 3.4.8 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One RHR loop inoperable. A.1 Initiate action to restore Immediately RHR loop to OPERABLE status.

B. Required RHR loops B.1 Suspend operations that Immediately inoperable. would cause introduction of coolant into the RCS OR with boron concentration less than required to No RHR loop in operation. meet 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 Verfy one RHR loop is in operation. 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> SR 3.4.8.2 Verify correct breaker alignment and indicated power are 7 days available to the required RHR pump that is not in operation.

COMANCHE PEAK - UNITS 1 AND 2 3.4-18 Amendment No. 64, 105

AC Sources-Shutdown 3.8.2 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 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.

(continued)

COMANCHE PEAK - UNITS 1 AND 2 3.8-18B Amendment No. 105

AC Sources-Shutdown 3.8.2 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME B. One required DG B.1 Suspend CORE Immediately inoperable. ALTERATIONS.

AND 6.2 Suspend movement of Immediately irradiated fuel assemblies.

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

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

COMANCHE PEAK - UNITS 1 AND 2 3.8-1 9 Amendment No. 105

DC Sources -Shutdown 3.8.5 3.8 ELECTRICAL POWER SYSTEMS 3.8.5 DC Sources 0 Shutdown LCO 3.8.5 The Train A or Train B DC electrcal power subsystem shall be OPERABLE to support one train of the DC electrical power distribution subsystems required by LCO 3.8.10, Distnbution Systems 0 Shutdown."

APPLICABILITY: MODES 5 and 6 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Required DC electrical A.1 Declare affected required Immediately power subsystems feature(s) inoperable.

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)

COMANCHE PEAK - UNITS 1 AND 2 3.8-28 Amendment No. 105

Inverters - Shutdown 3.8.8 3.8 ELECTRICAL POWER SYSTEMS 3.8.8 Inverters -Shutdown LCO 3.8.8 The train A or Train B inverters shall be OPERABLE to support one train of the onsite Class 1E AC vital bus electrical power distnbution subsystems required by LCO 3.8.10, Distribution Systems 0 Shutdown."

APPLICABILITY: 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 (continued)

COMANCHE PEAK - UNITS 1 AND 2 3.8-36 Amendment No. 105

Distribution Systems -Shutdown 3.8.10 3.8 ELECTRICAL POWER SYSTEMS 3.8.10 Distribution Systems -Shutdown LCO 3.8.10 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.

APPLICABILITY: MODES 5 and 6 ACTIONS CONDITION I REQUIRED ACTION JCOMPLETION 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 resuft In loss of required SDM or boron concentration.

AND (continued)

COMANCHE PEAK - UNITS 1 AND 2 3.8-40 Amendment No. 105

Nuclear Instrumentation 3.9.3 3.9 REFUELING OPERATIONS 3.9.3 Nuclear Instrumentation LCO 3.9.3 Two source range neutron flux monitors shall be OPERABLE.

APPLICABILITY: 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 of coolant into the RCS 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 <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> COMANCHE PEAK- UNITS I AND 2 3.9-5 Amendment No. 64, 105

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.

ONOTE -

The required RHR loop may be removed from operation for < 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> per 8 hour9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> period, provided no operations are permitted that would cause introduction of coolant into the Reactor Coolant System 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 2 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 of coolant into the RCS 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 (continued)

COMANCHE PEAK - UNITS 1 AND 2 3.9-9 Amendment No. 66, 105

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

CONDITION REQUIRED ACTION COMPLETION TIME B. No RHR loop in operation. B.1 Suspend operations that Immediately would cause introduction of coolant into the RCS with boron concentration less than required to meet the boron concentration of LCO 3.9.1.

AND B.2 Initiate action to restore 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> one RHR loop to operation.

AND B.3 Close all containment 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 <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> reactor coolant at a flow rate of 2 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.

COMANCHE PEAK - UNITS 1 AND 2 3.9-1 2 Amendment No. 64, 105

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