ML052730320
| ML052730320 | |
| Person / Time | |
|---|---|
| Site: | Cook  |
| Issue date: | 09/30/2005 |
| From: | NRC/NRR/DLPM |
| To: | |
| Spaulding D, NRR/DE/EEIB, 415-2928 | |
| Shared Package | |
| ML052720081 | List: |
| References | |
| TAC MC4525, TAC MC4526 | |
| Download: ML052730320 (34) | |
Text
AC Sources - Operating 3.8.1 ACTIONS
_hitTC__
IN4 V1JI LCO 3.0.4.b is not applicable to DGs.
CONDITION REQUIRED ACTION COMPLETION TIME A. One required offsite circuit inoperable.
A.1 NOTE D-Not applicable if a required Unit 2 offsite circuit is inoperable.
Perform SR 3.8.1.1 for required OPERABLE offsite circuit.
AND A.2 Declare required feature(s) with no offsite power available inoperable when its redundant required feature(s) is inoperable.
AND A.3 Restore required offsite circuit to OPERABLE status.
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> AND Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> from discovery of no offsite power to one train concurrent with inoperability of redundant required feature(s) 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> AND 17 days from l
discovery of failure to meet LCO 3.8.1.a or b Cook Nuclear Plant Unit 1 3.8.1-2 Amendment No. I~, 291
AC Sources - Operating 3.8.1 I
ACTIONS (continued)
CONDITION JREQ UIRED ACTION COMPLETION TIME B. One required DG inoperable.
B.1 Verify both supplemental diesel generators are available.
AND B.2 NOTE--
Not applicable if a required Unit 2 DG is inoperable.
Perform SR 3.8.1.1 for the required offsite circuit(s).
AND B.3 Declare required feature(s) supported by the inoperable DG inoperable when its required redundant feature(s) is inoperable.
AND
-BA-.1 -Determin-eOPERABLE DG(s) is not inoperable due to common cause failure.
OR B.4.2 Perform SR 3.8.1.2 for OPERABLE DG(s).
AND 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> AND Once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> thereafter 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> AND Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> from discovery of Condition B concurrent with inoperability of redundant required feature(s)
I 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> I
Cook Nuclear Plant Unit 1 3.8.1-3 Amendment No. 2897, 291
AC Sources - Operating 3.8.1 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B.5 Restore required DG to 14 days OPERABLE status.
AND 17 days from discovery of failure to meet LCO 3.8.1.a orb C. Required Action and C.1 Restore both supplemental 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> associated Completion diesel generators to Time of Required Action available status.
B.1 not met.
OR C.2 Restore required DG to 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OPERABLE status.
D. Two required offsite D.1 Declare required feature(s) 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> from circuits inoperable.
inoperable when its discovery of redundant required Condition D feature(s) is inoperable.
concurrent with inoperability of redundant required features AND D.2 Restore one required offsite 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> circuit to OPERABLE status.
I I
I I
Cook Nuclear Plant Unit 1 3.8.1-4 Amendment No. I-7, 291
AC Sources - Operating 3.8.1 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME E. One required offsite NOTES circuit inoperable.
Enter applicable Conditions and Required Actions of LCO 3.8.9, AND "Distribution Systems - Operating,"
when Condition E is entered with no One required DG AC power source to any train.
E.1 Restore required offsite 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> circuit to OPERABLE status.
OR E.2 Restore required DG to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> OPERABLE status.
F. Two required DGs F.1 Restore one required DG to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> inoperable.
OPERABLE status.
G. Required Action and G.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 /> associated Completion Time of Condition A, C, AND D, E, or F not met.
G.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 /> OR Required Action and Associated Completion Time of Required Action B.2, B.3, B.4.1, B.4.2, or B.5 not met.
H. Three or more required H.1 Enter LCO 3.0.3.
Immediately AC sources inoperable.
I I
I Cook Nuclear Plant Unit 1 3.8.1-5 Amendment No. 28~7, 291
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS NOTEES----
- 1. SR 3.8.1.1 through SR 3.8.1.22 are applicable only to the AC electrical power sources for Unit 1.
- 2.
SR 3.8.1.23 is applicable only to the Unit 2 required AC electrical power sources. The Surveillances referenced in SR 3.8.1.23 are the Unit 2 Surveillance Requirements.
SURVEILLANCE FREQUENCY SR 3.8.1.1 Verify correct breaker alignment and indicated 7 days power availability for each offsite circuit.
SR 3.8.1.2 NOTES-
- 1.
All DG starts may be preceded by an engine prelube period and followed by a warmup period prior to loading.
- 2.
A modified DG start involving gradual acceleration to synchronous speed may be used for this SR as recommended by the manufacturer. When modified start procedures are not used, the time, voltage, and frequency tolerances of SR 3.8.1.8 must be met.
Verify each DG starts from standby conditions and 31 days achieves steady state voltage 2 3910 V and s 4400 V, and frequency 2 59.4 Hz and 5 61.2 Hz.
Cook Nuclear Plant Unit 1 3.8.1-6 Amendment No. 297-, 291
AC Sources - Operating 3.8.1 I
SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.3
NOTES-
- 1.
DG loadings may include gradual loading as recommended by the manufacturer.
- 2.
Momentary transients outside the load range do not invalidate this test.
- 3.
This Surveillance shall be conducted on only one DG at a time.
- 4.
This SR shall be preceded by and immediately follow without shutdown a successful performance of SR 3.8.1.2 or SR 3.8.1.8.
Verify each DG is synchronized and loaded and operates for a 60 minutes at a load 2 3150 kW and s 3500 kW.
31 days SR 3.8.1.4 Verify each day tank contains 2 101.4 gal of fuel oil.
31 days SR 3.8.1.5 Check for and remove accumulated water from each 31 days day tank.
SR 3.8.1.6 Verify each required DG air start receiver pressure 31 days is 2 190 psig.
SR 3.8.1.7 Verify each fuel oil transfer system operates to 92 days automatically transfer fuel oil from the storage tank to the day tank.
Cook Nuclear Plant Unit 1 3.8.1-7 Amendment No. 287, 291
AC Sources - Operating 3.8.1 I
SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.8 NOTE All DG starts may be preceded by an engine prelube period.
Verify each DG starts from standby condition and achieves:
- a.
In s 10 seconds, voltage 2 3740 V and frequency 2 58.8 Hz; and
- b.
Steady state voltage 2 3910 V and s 4400 V, and frequency 2 59.4 Hz and s 61.2 Hz.
184 days
+
SR 3.8.1.9 NOTE------
SR 3.8.1.9.a is only required to be met when the auxiliary source is supplying the electrical power distribution subsystem.
Verify:
- a. Automatic transfer from the auxiliary source to the preferred offsite circuit; and
- b.
Manual alignment to the alternate offsite circuit.
24 months Cook Nuclear Plant Unit 1
..3.8.1-8 Amendment No. 2897-, 291
AC Sources - Operating 3.8.1 I
SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY
.1-SR 3.8.1.10 NOTES-
- 1. This Surveillance shall not normally be performed in MODE 1 or 2. However, this Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
- 2.
If performed with the DG synchronized with offsite power, it shall be performed at a power factor < 0.86. However, if grid conditions do not permit, the power factor limit is not required to be met. Under this condition the power factor shall be maintained as close to the limit as practicable.
Verify each DG rejects a load greater than or equal to its associated single largest post-accident load, and:
- a.
Following load rejection, the frequency is 5 64.4 Hz;
- b.
Within 2 seconds following load rejection, the voltage is 2 3910 V and 5 4400 V; and
- c.
Within 2 seconds following load rejection, the frequency is 2 59.4 Hz and 5 61.2 Hz.
24 months Cook Nuclear Plant Unit 1 3.8.1-9 Amendment No. 297-, 291
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.11
-NOTES----
- 1. This Surveillance shall not normally be performed in MODE 1 or 2. However, this Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
- 2.
If performed with DG synchronized with offsite power, it shall be performed at a power factor s 0.86. However, if grid conditions do not permit, the power factor limit is not required to be met. Under this condition the power factor shall be maintained as close to the limit as practicable.
Verify each DG does not trip and voltage is maintained s 5000 V during and following a load rejection of Ž 3150 kW and s 3500 kW.
24 months Cook Nuclear Plant Unit 1 3.8.1-10 Amendment No. 287, 291
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.12 NOTES
- 1.
All DG starts may be preceded by an engine prelube period.
- 2.
This Surveillance shall not normally be performed in MODE 1, 2, 3, or 4. However, portions of the Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify on an actual or simulated loss of offsite power 24 months signal:
- a.
De-energization of emergency buses;
- b.
Load shedding from emergency buses;
- c.
DG auto-starts from standby condition and:
- 1.
Energizes permanently connected loads in
- 10 seconds;
- 2.
Energizes auto-connected shutdown loads through time delay relays, where applicable;
- 3.
Maintains steady state voltage.
Ž3910Vands4400V;
- 4.
Maintains steady state frequency 2 59.4 Hz and s 61.2 Hz; and
- 5.
Supplies permanently connected and auto-connected shutdown loads for 2 5 minutes.
Cook Nuclear Plant Unit 1 3.8.1-1 1 Amendment No. 28, 291
AC Sources - Operating 3.8.1 I
SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.13
NOTES
- 1.
All DG starts may be preceded by an engine prelube period.
- 2.
This Surveillance shall not normally be performed in MODE 1 or 2. However, portions of the Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify on an actual or simulated Engineered Safety Feature (ESF) actuation signal each DG auto-starts from standby condition and:
- a.
In s 10 seconds achieves voltage 2 3740 V and frequency 2 58.8 Hz;
- b.
Achieves steady state voltage 2 3910 V and 5 4400 V and frequency 2 59.4 Hz and s 61.2 Hz;
- c.
Operates for 2 5 minutes;
- d.
Permanently connected loads remain energized from the offsite power system; and
- e.
Emergency loads are auto-connected through the time delay relays, where applicable, from the offsite power system.
24 months Cook Nuclear Plant Unit 1 3.8.1-12 Amendment No. I8, 291
AC Sources - Operating 3.8.1 I
SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.14
~-~NOTE---
This Surveillance shall not normally be performed in MODE 1 or 2. However, this Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify each DG's automatic trips are bypassed on an actual or simulated loss of voltage signal on the emergency bus or an actual or simulated ESF actuation signal except:
- a.
Engine overspeed; and
- b.
Generator differential current.
24 months 1-SR 3.8.1.15 NOTES-------
- 1.
Momentary transients outside the load and power factor ranges do not invalidate this test.
- 2.
This Surveillance shall not normally be performed in MODE 1 or 2. However, this Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
- 3.
If performed with DG synchronized with offsite power, it shall be performed at a power factor s 0.86. However, if grid conditions do not permit, the power factor limit is not required to be met. Under this condition the power factor shall be maintained as close to the limit as practicable.
Verify each DG operates for 2 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> at a load 2 3150 kW and s 3500 kW.
24 months Cook Nuclear Plant Unit 1 3.8.1-13 Amendment No. 287, 291
AC Sources - Operating 3.8.1 I
SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.16 OTES-
- 1. This Surveillance shall be performed within 5 minutes of shutting down the DG after the DG has operated 2 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> loaded 2 3150 kW and s 3500 kW.
Momentary transients outside of load range do not invalidate this test.
- 2.
All DG starts may be preceded by an engine prelube period.
Verify each DG starts and achieves:
24 months
- a.
In s 10 seconds, voltage 2 3740 V and frequency > 58.8 Hz; and
- b.
Steady state voltage 2 3910 V and
- 4400 V and frequency 2 59.4 Hz and s 61.2 Hz.
SR 3.8.1.17
--- NOTE-This Surveillance shall not normally be performed in MODE 1, 2, 3, or 4. However, this Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify each DG:
24 months
- a.
Synchronizes with offsite power source while loaded with emergency loads upon a simulated restoration of offsite power;
- b.
Transfers loads to offsite power source; and
- c.
Returns to ready-to-load operation.
Cook Nuclear Plant Unit 1 3.8.1 -14 Amendment No. I97, 291
AC Sources - Operating 3.8.1 I
SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.18 NOTES-This Surveillance shall not normally be performed in MODE 1, 2, 3, or 4. However, this Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify that the automatic sequence timing relays are OPERABLE with each load sequence time within
+/-5% of its required value and that each load is sequenced on within the design allowable time limit.
24 months Cook Nuclear Plant Unit 1 3.8.1-1 5 Amendment No. 287, 290, 291
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.19 NOTES-
- 1.
All DG starts may be preceded by an engine prelube period.
- 2.
This Surveillance shall not normally be performed in MODE 1, 2, 3, or 4. However, portions of the Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify on an actual or simulated loss of offsite power 24 months signal in conjunction with an actual or simulated ESF actuation signal:
- a.
De-energization of emergency buses;
- b.
Load shedding from emergency buses; and
- c.
DG auto-starts from standby condition and:
- 1.
Energizes permanently connected loads in 5 10 seconds;
- 2.
Energizes auto-connected emergency loads through time delay relays, as applicable;
- 3.
Achieves steady state voltage 2 3910 V and 5 4400 V;
- 4.
Achieves steady state frequency 2 59.4 Hz and c 61.2 Hz; and
- 5.
Supplies permanently connected and auto-connected emergency loads for 2 5 minutes.
Cook Nuclear Plant Unit 1 3.8. 1-16 Amendment No. I8, 291
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.20 NOTE--
- 1.
This SR is only required to be met when the applicable DG is connected to its load test resistor bank.
- 2.
This Surveillance shall not normally be performed in MODE 1, 2, 3, or 4. However, portions of the Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify, with a DG operating in test mode and connected to its load test resistor bank, an actual or simulated ESF actuation signal overrides the test mode by:
- a.
Returning DG to ready-to-load operation; and
- b. Verifying the emergency loads are serviced by offsite power.
24 months SR 3.8.1.21
-NOTE-----i--
This Surveillance shall not normally be performed in MODE 1, 2, 3, or 4. However, portions of the Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced.
Credit may be taken for unplanned events that satisfy this SR.
Verify, with a DG operating in test mode and connected to its bus, an actual or simulated ESF actuation signal overrides the test mode by:
- a.
Returning DG to ready-to-load operation; and
- b.
Verifying the emergency loads are serviced by offsite power.
24 months Cook Nuclear Plant Unit 1 3.8.1-17 Amendment No. 2-87~, 291
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.22 O
TE---
All DG starts may be preceded by an engine prelube period.
Verify when started simultaneously from standby 10 years condition, each DG achieves, in s 10 seconds, voltage 2 3740 V and frequency 2 58.8 Hz.
SR 3.8.1.23 NOTES--
- 1.
When Unit 2 is in MODE 5 or 6, or moving irradiated fuel assemblies in the containment or auxiliary building, the following Unit 2 SRs are not required to be performed: SR 3.8.1.3, SR 3.8.1.10, SR 3.8.1.11, SR 3.8.1.12, SR 3.8.1.15, SR 3.8.1.16, SR 3.8.1.17, and SR 3.8.1.18.
- 2.
Unit 2 SR 3.8.1.9.a is only required to be met when the auxiliary source is supplying the required Unit 2 electrical power distribution subsystem.'
For required Unit 2 AC sources, the SRs of Unit 2.
In accordance Specification 3.8.1, except SR 3.8.1.9.b, with applicable SR 3.8.1.13, SR 3.8.1.14 (ESF actuation signal SRs portion only), SR 3.8.1.19, SR 3.8.1.20, SR 3.8.1.21, and SR 3.8.1.22, are applicable.
Cook Nuclear Plant Unit 1 3.8.1-18 Amendment No. 297-, 291
AC Sources - Operating 3.8.1 ACTIONS Li p--NOD LCO 3.0.4.b is not applicable to DGs.
I--
CONDITION REQUIRED ACTION COMPLETION TIME A. One required offsite circuit inoperable.
A.1 NOTEE---
Not applicable if a required Unit 1 offsite circuit is inoperable.
Perform SR 3.8.1.1 for required OPERABLE offsite circuit.
AND A.2 Declare required feature(s) with no offsite power available inoperable when its redundant required feature(s) is inoperable.
AND A.3 Restore required offsite circuit to OPERABLE status.
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> AND Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> from discovery of no offsite power to one train concurrent with inoperability of redundant required feature(s) 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> AND 17 days from discovery of failure to meet LCO 3.8.1.a or b Cook Nuclear Plant Unit 2 3.8.1-2 Amendment No. 2-9, 273
AC Sources - Operating 3.8.1 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B. One required DG inoperable.
B.1 Verify both supplemental diesel generators are available.
AND B.2 NOTES--
Not applicable if a required Unit 1 DG is inoperable.
Perform SR 3.8.1.1 for the required offsite circuit(s).
AND B.3 Declare required feature(s) supported by the inoperable DG inoperable when its required redundant feature(s) is inoperable.
AND B.4.1 Determine OPERABLE DG(s) is not inoperable due to common cause failure.
OR B.4.2 Perform SR 3.8.1.2 for OPERABLE DG(s).
AND 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> AND Once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> thereafter 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> AND Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> from discovery of Condition B concurrent with inoperability of redundant required feature(s) 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 24 hours I
Cook Nuclear Plant Unit 2 3.8.1-3 Amendment No. 26, 273
AC Sources - Operating 3.8.1 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME B.5 Restore required DG to 14 days OPERABLE status.
AND 17 days from discovery of failure to meet LCO 3.8.1.a or b C. Required Action and C.1 Restore both supplemental 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> associated Completion diesel generators to Time of Required Action available status.
B.1 not met.
OR C.2 Restore required DG to 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> OPERABLE status.
D. Two required offsite D.1 Declare required feature(s) 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> from circuits inoperable.
inoperable when its discovery of redundant required Condition D feature(s) is inoperable.
concurrent with inoperability of redundant required features AND D.2 Restore one required offsite 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> circuit to OPERABLE status.
I I
Cook Nuclear Plant Unit 2 3.8.1-4 Amendment No. 26, 273
AC Sources - Operating 3.8.1 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME E. One required offsite NOTE---
circuit inoperable.
Enter applicable Conditions and Required Actions of LCO 3.8.9, AND "Distribution Systems - Operating,"
when Condition E is entered with no One required DG AC power source to any train.
E.1 Restore required offsite 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> circuit to OPERABLE status.
OR E.2 Restore required DG to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> OPERABLE status.
F. Two required DGs F.1 Restore one required DG to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> inoperable.
OPERABLE status.
G. Required Action and G.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 /> associated Completion Time of Condition A, C, AND D, E, or F not met.
G.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 /> OR Required Action and Associated Completion Time of Required Action B.2, B.3, B.4.1, B.4.2, or B.5 not met.
H. Three or more required H.1 Enter LCO 3.0.3.
Immediately AC sources inoperable.
I I
Cook Nuclear Plant Unit 2 3.8.1-5 Amendment No. 26, 273
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS K i f--rr Z I I
- 1.
SR 3.8.1.1 through SR 3.8.1.22 are applicable only to the AC electrical power sources for Unit 2.
- 2.
SR 3.8.1.23 is applicable only to the Unit 1 required AC electrical power sources. The Surveillances referenced in SR 3.8.1.23 are the Unit 1 Surveillance Requirements.
SURVEILLANCE FREQUENCY SR 3.8.1.1 Verify correct breaker alignment and indicated 7 days power availability for each offsite circuit.
SR 3.8.1.2 NOTES--
- 1.
All DG starts may be preceded by an engine prelube period and followed by a warmup period prior to loading.
- 2.
A modified DG start involving gradual acceleration to synchronous speed may be used for this SR as recommended by the manufacturer. When modified start procedures are not used, the time, voltage, and frequency tolerances of SR 3.8.1.8 must be met.
Verify each DG starts from standby conditions and 31 days achieves steady state voltage 2 3910 V and s 4400 V, and frequency 2 59.4 Hz and s 61.2 Hz.
Cook Nuclear Plant Unit 2 3.8.1 -6 Amendment No. i6-, 273
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.3
- -NOTES
- 1.
DG loadings may include gradual loading as recommended by the manufacturer.
- 2.
Momentary transients outside the load range do not invalidate this test.
- 3.
This Surveillance shall be conducted on only one DG at a time.
- 4.
This SR shall be preceded by and immediately follow without shutdown a successful performance of SR 3.8.1.2 or SR 3.8.1.8.
Verify each DG is synchronized and loaded and operates for 2 60 minutes at a load > 3150 kW and s 3500 kW.
31 days SR 3.8.1.4 Verify each day tank contains 2 101.4 gal of fuel oil.
31 days SR 3.8.1.5 Check for and remove accumulated water from each 31 days day tank.
SR 3.8.1.6 Verify each required DG air start receiver pressure 31 days is 2 190 psig.
SR 3.8.1.7 Verify each fuel oil transfer system operates to 92 days automatically transfer fuel oil from the storage tank to the day tank.
Cook Nuclear Plant Unit 2 3.8.1-7 Amendment No. 26D), 273
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.8
~---NOTE----a All DG starts may be preceded by an engine prelube period.
Verify each DG starts from standby condition and achieves:
- a.
In s 10 seconds, voltage 2 3740 V and frequency > 58.8 Hz; and
- b.
Steady state voltage 2 3910 V and 5 4400 V, and frequency 2 59.4 Hz and s 61.2 Hz.
184 days SR 3.8.1.9 NOTE----
SR 3.8.1.9.a is only required to be met when the auxiliary source is supplying the electrical power distribution subsystem.
Verify:
- a.
Automatic transfer from the auxiliary source to the preferred offsite circuit; and
- b.
Manual alignment to the alternate offsite circuit.
24 months Cook Nuclear Plant Unit 2 3.8.1-8 Amendment No. 2-6, 273
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.10 NOTES----a-
- 1. This Surveillance shall not normally be performed in MODE I or 2. However, this Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
- 2.
If performed with the DG synchronized with offsite power, it shall be performed at a power factor 5 0.86. However, if grid conditions do not permit, the power factor limit is not required to be met. Under this condition the power factor shall be maintained as close to the limit as practicable.
Verify each DG rejects a load greater than or equal to its associated single largest post-accident load, and:
- a.
Following load rejection, the frequency is 5 64.4 Hz;
- b.
Within 2 seconds following load rejection, the voltage is 2 3910 V and s 4400 V; and
- c.
Within 2 seconds following load rejection, the frequency is 2 59.4 Hz and 5 61.2 Hz.
24 months Cook Nuclear Plant Unit 2 3.8.1-9 Amendment No. 2I, 273
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.11
-NOTES------
- 1.
This Surveillance shall not normally be performed in MODE 1 or 2. However, this Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
- 2.
If performed with DG synchronized with offsite power, it shall be performed at a power factor 5 0.86. However, if grid conditions do not permit, the power factor limit is not required to be met. Under this condition the power factor shall be maintained as close to the limit as practicable.
- Verify each DG does not trip and voltage is maintained
- 5000 V during and following a load rejection of 2 3150 kW and s 3500 kW.
24 months Cook Nuclear Plant Unit 2 3.8.1-10 Amendment No. 269, 273
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.12 NOTES--
- 1.
All DG starts may be preceded by an engine prelube period.
- 2.
This Surveillance shall not normally be performed in MODE 1, 2, 3, or 4. However, portions of the Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify on an actual or simulated loss of offsite power 24 months signal:
- a.
De-energization of emergency buses;
- b.
Load shedding from emergency buses;
- c.
DG auto-starts from standby condition and:
- 1.
Energizes permanently connected loads in s 10 seconds;
- 2.
Energizes auto-connected shutdown loads through time delay relays, where applicable;
- 3.
Maintains steady state voltage.
2 3910 V and s 4400 V;
- 4.
Maintains steady state frequency 2 59.4 Hz and s 61.2 Hz; and
- 5.
Supplies permanently connected and auto-connected shutdown loads for 2 5 minutes.
Cook Nuclear Plant Unit 2 3.8.1-1 1 Amendment No. 2699, 273
AC Sources - Operating 3.8.1 I
SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY 4
SR 3.8.1.13 a--------
NOTES-
- 1.
All DG starts may be preceded by an engine prelube period.
- 2.
This Surveillance shall not normally be performed in MODE 1 or 2. However, portions of the Surveillance may be performed to reestablish OPERABILITY provided an assessment determines.the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify on an actual or simulated Engineered Safety Feature (ESF) actuation signal each DG auto-starts from standby condition and:
- a.
In s 10 seconds achieves voltage 2 3740 V and frequency 2 58.8 Hz;
- b.
Achieves steady state voltage 2 3910 V and s 4400 V and frequency 2 59.4 Hz and s 61.2 Hz;
- c.
Operates for 2 5 minutes;
- d.
Permanently connected loads remain energized from the offsite power system; and
- e.
Emergency loads are auto-connected through the time delay relays, where applicable, from the offsite power system.
24 months Cook Nuclear Plant Unit 2 3.8.1-12 Amendment No. i-6, 273
AC Sources - Operating 3.8 1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY
- 1
SR 3.8.1.14 NOTE--
This Surveillance shall not normally be performed in MODE 1 or 2. However, this Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify each DG's automatic trips are bypassed on an actual or simulated loss of voltage signal on the emergency bus or an actual or simulated ESF actuation signal except:
- a.
Engine overspeed; and
- b.
Generator differential current.
24 months
+
SR 3.8.1.15
-~-NOTES-------
- 1.
Momentary transients outside the load and power factor ranges do not invalidate this test.
- 2.
This Surveillance shall not normally be performed in MODE 1 or 2. However, this Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
- 3.
If performed with DG synchronized with offsite power, it shall be performed at a power factor s 0.86. However, if grid conditions do not permit, the power factor limit is not required to be met. Under this condition the power factor shall be maintained as close to the limit as practicable.
Verify each DG operates for 2 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> at a load 23150 kW and s 3500 kW.
24 months Cook Nuclear Plant Unit 2 3.8.1-13 Amendment No. 2-69, 273
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.16 NOTES-
- 1. This Surveillance shall be performed within 5 minutes of shutting down the DG after the DG has operated 2 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> loaded 2 3150 kW and s 3500 kW.
Momentary transients outside of load range do not invalidate this test.
- 2.
All DG starts may be preceded by an engine prelube period.
Verify each DG starts and achieves:
- a.
In s 10 seconds, voltage 2 3740 V and frequency - 58.8 Hz; and
- b.
Steady state voltage 2 3910 V and 5 4400 V and frequency 2 59.4 Hz and 5 61.2 Hz.
24 months SR 3.8.1.17 NOTE--
This Surveillance shall not normally be performed in MODE 1, 2, 3, or 4. However, this Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify each DG:
- a.
Synchronizes with offsite power source while loaded with emergency loads upon a simulated restoration of offsite power;
- b.
Transfers loads to offsite power source; and
- c.
Returns to ready-to-load operation.
24 months Cook Nuclear Plant Unit 2 3.8.1-14 Amendment No. I6, 273
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.18 NOTE---go-This Surveillance shall not normally be performed in MODE 1, 2, 3, or 4. However, this Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify that the automatic sequence timing relays are OPERABLE with each load sequence time within
+/-5% of its required value and that each load is sequenced on within the design allowable time limit.
24 months Cook Nuclear Plant Unit 2 3.8.1-15 Amendment No. 26O, 272, 273
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.19
-NOTES--
- 1.
All DG starts may be preceded by an engine prelube period.
- 2.
This Surveillance shall not normally be performed in MODE 1, 2, 3, or 4. However, portions of the Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify on an actual or simulated loss of offsite power signal in conjunction with an actual or simulated ESF actuation signal:
- a.
De-energization of emergency buses;
- b.
Load shedding from emergency buses; and
- c.
DG auto-starts from standby condition and:
- 1.
Energizes permanently connected loads in s 10 seconds;
- 2.
Energizes auto-connected emergency loads through time delay relays, as applicable;
- 3.
Achieves steady state voltage 2 3910 V and s 4400 V;
- 4.
Achieves steady state frequency 2 59.4 Hz and s 61.2 Hz; and
- 5.
Supplies permanently connected and auto-connected emergency loads for 2 5 minutes.
24 months Cook Nuclear Plant Unit 2 3.8.1-1 6 Amendment No. I9, 273
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.20 NOTE-a
- 1.
This SR is only required to be met when the applicable DG is connected to its load test resistor bank.
- 2.
This Surveillance shall not normally be performed in MODE 1, 2, 3, or 4. However, portions of the Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced. Credit may be taken for unplanned events that satisfy this SR.
Verify, with a DG operating in test mode and
-connected to its load test resistor bank, an actual or simulated ESF actuation signal overrides the test mode by:
- a.
Returning DG to ready-to-load operation; and
- b.
Verifying the emergency loads are serviced by offsite power.
24 months SR 3.8.1.21 NOTE This Surveillance shall not normally be performed in MODE 1, 2, 3, or 4. However, portions of the Surveillance may be performed to reestablish OPERABILITY provided an assessment determines the safety of the unit is maintained or enhanced.
Credit may be taken for unplanned events that satisfy this SR.
Verify, with a DG operating in test mode and connected to its bus, an actual or simulated ESF actuation signal overrides the test mode by:
- a.
Returning DG to ready-to-load operation; and
- b.
Verifying the emergency loads are serviced by offsite power.
24 months Cook Nuclear Plant Unit 2 3.8.1-17 Amendment No. 249, 273)
AC Sources - Operating 3.8.1 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.8.1.22
=NOTE-All DG starts may be preceded by an engine prelube period.
Verify when started simultaneously from standby 10 years condition, each DG achieves, in s 10 seconds, voltage 2 3740 V and frequency 2 58.8 Hz.
SR 3.8.1.23
NOT ES-
- 1.
When Unit 1 is in MODE 5 or 6, or moving irradiated fuel assemblies in the containment or auxiliary building, the following Unit 1 SRs are not required to be performed: SR 3.8.1.3, SR 3.8.1.10, SR 3.8.1.11, SR 3.8.1.12, SR 3.8.1.15, SR 3.8.1.16, SR 3.8.1.17, and SR 3.8.1.18.
- 2.
Unit 1 SR 3.8.1.9.a is only required to be met when the auxiliary source is supplying the required Unit 1 electrical power distribution subsystem.
For required Unit 1 AC sources, the SRs of Unit 1 In accordance Specification 3.8.1, except SR 3.8.1.9.b, with applicable SR 3.8.1.13, SR 3.8.1.14 (ESF actuation signal SRs portion only), SR 3.8.1.19, SR 3.8.1.20, SR 3.8.1.21, and SR 3.8.1.22, are applicable.
Cook Nuclear Plant Unit 2 3.8.1-18 Amendment No. 26, 273"