ML040780496
| ML040780496 | |
| Person / Time | |
|---|---|
| Site: | Robinson  |
| Issue date: | 02/18/2004 |
| From: | Progress Energy Carolinas |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML040780496 (11) | |
Text
Accumulators 3.51 3.5 EMERGENCY CORE COOLING SYSTEMS (ECCS) 3.5.1 Accumulators LCO 35.1 Three ECCS accumulators shall be OPERABLE.
APPLICABILITY:
MODES 1 and 2, MODE 3 with pressurizer pressure
> 1000 psig.
ACTIONS CONDITION A.
One accumulator inoperable due to boron concentration not within limits.
B.
One valve identified in SR 3.5.1.5 with control power restored.
C.
One accumulator inoperable for reasons other than Condition A.
REQUIRED ACTION A.1 Restore boron concentration to within limits.
B.l Verify control power or air is removed to all valves identified in SR 3.5.2.1 and SR 3.5.2.7.
AND B.2 Remove control power to valve.
C.l Restore accumulator to OPERABLE status.
HBRSEP Unit No. 2 3.5-l COMPLETION TIME 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> Immediately 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> 4 hours (continued)
Amendment No. 176
Accumulators 3.5.1 ACTIONS (continued)
CONDITION D.
Required Action and associated Completion Time of Condition A or t3 not met.
E.
Two or more accumulators inoperable.
SURVEILLANCE REQUIREMENTS REQUIRED ACTION D.l Be in MODE 3.
AND D.2 Reduce pressurizer pressure to
< 1000 psig.
E.l Enter LCO 3.0.3.
COMPLETION TIME 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> 12 hours Immediately SURVEILLANCE FREQUENCY SR 3.5.1.1 Verify each accumulator isolation valve is fully open.
Once prior to removing power from the valve operator SR 3.5.1.2 Verify borated water volume in each accumulator is > 825 ft3 and < 841 ft3.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> SR 3.5.1.3 Verify nitrogen cover pressure in each accumulator is > 600 psig and < 660 psig.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> HBRSEP Unit No. 2 3.5-2 (continued)
Amendment No. 176
Accumulators 3.5.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE SR 3.5.1.4 Verify boron concentration in each accumulator is > 1950 ppm and < 2400 ppm.
FREQUENCY 31 days
-w-am NOTE-----
Only required to be performed for affected accumulators
-~~~~~~~~~~I~~~
Once within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> after each solution volume increase of > 70 gallons that is not the result of addition from the refueling water storage tank SR 3.5.1.5 Verify control power is removed from each 31 days accumulator isolation valve operator.
HBRSEP Unit No. 2 3.5-3 Amendment No. 176
ECCS-Operating3.5.2 3.5 EMERGENCY CORE COOLING SYSTEMS (ECCS) 3.5.2 ECCS-Operating LCO 3.5.2 Two ECCS trains shall be OPERABLE.
APPLICABILITY:
MODES 1, 2, and 3 I_---_------_------------
--NOTES---------------------------
- 1.
In MODE 3, one cold leg safety injection (S1) pump flow path may be isolated by closing the isolation valves for up to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> to perform pressure isolation valve testing per SR 3.4.14.1.
- 2.
Operation in MODE 3 with one required SI pump declared inoperable pursuant to LCO 3.4.12, "Low Temperature Overpressure Protection (LTOP)
System,"
is allowed for up to 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> or until the temperature of all RCS cold legs exceeds
- 375F, whichever comes first.
__I_--------------------------------------------------------
ACTIONS CONDITION A.
One or more trains inoperable.
AND At least 100% of the ECCS flow equivalent to a single OPERABLE ECCS train available.
B.
One valve identified in SR 3.5.2.1 or SR 3.5.2.7 with control power or air restored.
REQUIRED ACTION A.1 Restore train(s) to OPERABLE status.
B.l Verify control power is removed to all valves identified in SR 3.5.1.5.
AND HBRSEP Unit No. 2 3.5-4 COMPLETION TIME 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> Immedi ate1 y (continued)
Amendment No. 176
ECCS - Operating 3.5.2 ACTIONS CONDITION I
REQUIRED ACTION I COMPLETION TIME B.
(continued)
B.2 Remove control power or air to valve.
24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> C.
Required Action and C.l Be in MODE 3.
associated Completion Time not met.
AND C.2 Be in MODE 4.
6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> 12 hours SURVEILLANCE REQUIREMENTS SURVEILLANCE SR 3.5.2.1 Verify the following valves are in the listed position with control power to the valve operator removed.
Number Position SI-862 A&B Open SI -863 A&B Closed SI -864 A&B Open SI -866 A&B Closed SI -878 A&B Open Function Low Head Safety Injection (LHSI)
LHSI LHSI, High Head Safety Injection (HHSI)
HHSI HHSI SR 3.5.2.2 Verify each ECCS manual, power operated, and automatic valve in the flow
- path, that is not locked,
- sealed, or otherwise secured in position, is in the correct position.
HBRSEP Unit No. 2 3.5-5 FREQUENCY 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> 31 days (continued)
Amendment No. 176
ECCS-Operating 3.5.2 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE I
FREQUENCY SR 3.5.2.3 Verify each ECCS pump's developed head at In accordance the test flow point is greater than or with the equal to the required developed head.
Inservice Testing Program SR 3.5.2.4 Verify each ECCS automatic valve in the 18 months flow path that is not locked,
- sealed, or otherwise secured in position, actuates to the correct position on an actual or simulated actuation signal.
SR 3.5.2.5 Verify each ECCS pump starts automatically 18 months on an actual or simulated actuation signal.
- Verify, by visual inspection, the ECCS 18 months train containment sump suction inlet is not restricted by debris and the suction inlet trash racks and screens show no evidence of structural distress or abnormal corrosion.
HBRSEP Unit No. 2 3.5-6 (continued)
Amendment No. 176
ECCS-Operating 3.5.2 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE I
FREQUENCY SR 3.5.2.7 Verify the following valves in the listed position:
Number Position Function FCV-605 HCV-758 Closed/Motive RHR Air Iso1ated Closed/Motive RHR Air Iso1ated 31 days SR 3.5.2.8 Verify the following manual valve is locked in the listed position Number Position Function RHR-764 Locked Open LHSI 92 days HBRSEP Unit No. 2 3.5-7 Amendment No. 176
ECCS-Shutdown 3.5.3 3.5 EMERGENCY CORE COOLING SYSTEMS (ECCS) 3.5.3 ECCS-Shutdown LCO 3.5.3 One ECCS train shall be OPERABLE.
APPLICABILITY:
MODE 4.
ACTIONS CONDITION REQUIRED ACTION I COMPLETION TIME A.
Required ECCS residual A.1 Initiate action to Immediate1y heat removal (RHR) restore required ECCS subsystem inoperable.
RHR subsystem to OPERABLE status.
B.
Required ECCS high B.l Restore required ECCS 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> head injection high head injection subsystem inoperable.
subsystem to OPERABLE status.
C.
Required Action and C.l Be in MODE 5.
24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> associated Completion Time of Condition B
not met.
HBRSEP Unit No. 2 3.5-8 Amendment No. 176
ECCS-Shutdown 3.5.3 SURVEILLANCE REQUIREMENTS SURVEILLANCE I
FREQUENCY SR 3.5.3.1
NOTE------------------
An RHR train may be considered OPERABLE during alignment and operation for decay heat removal, if capable of being manually realigned to the ECCS mode of operation.
--__.-___-____1___-_-----------.-----------
The following SRs are applicable for all equipment required to be OPERABLE:
SR 3.5.2.3 SR 3.5.2.6 In accordance with applicable SRs HBRSEP Unit No. 2 3.5-9 Amendment No. 176
RWST 3.5.4 3.5 EMERGENCY CORE COOLING SYSTEMS (ECCS) 3.5.4 Refueling Water Storage Tank (RWST)
LCO 3.5.4 The RWST shall be OPERABLE.
APPLICABILITY:
MODES 1, 2, 3, and 4.
ACTIONS CONDITION A.
RWST boron concentration not within limits.
RWST borated water temperature not within limits.
B.
RWST inoperable for reasons other than Condition A.
C.
Required Action and associated Completion Time not met.
REQUIRED ACTION COMPLETION TIME A.1 Restore RWST to 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> OPERABLE status.
B.l Restore RWST to 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> OPERABLE status.
c.1 Be in MODE 3.
I 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> AND c.2 Be in MODE 5.
36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> HBRSEP Unit No. 2 3.5-10 Amendment No. 176
RWST 3.5.4 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.5.4.1
NOTE--------------------
Only required to be performed when ambient air temperature is < 45OF or > lOOoF.
______--_--_1-__1--_----------------------
I Verify RWST borated water temperature is 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />
> 45OF and < lOOoF.
SR 3.5.4.2 Verify RWST borated water volume is 7 days
> 300,000 gallons.
SR 3.5.4.3 Verify RWST boron concentration is 7 days
> 1950 ppm and < 2400 ppm.
HBRSEP Unit No. 2 3.5-11 Amendment No. 176