ML060760472
| ML060760472 | |
| Person / Time | |
|---|---|
| Site: | Susquehanna  |
| Issue date: | 03/16/2006 |
| From: | Richard Guzman NRC/NRR/ADRO |
| To: | Mckinney B Susquehanna |
| References | |
| TAC MC6521 | |
| Download: ML060760472 (6) | |
Text
PPL Rev. 1 LOP Instrumentation l 3.3.8.1 3.3 INSTRUMENTATION 3.3.8.1 Loss of Power (LOP) Instrumentation LCO 3.3.8.1 APPLICABILITY:
The LOP instrumentation for each Function in Table 3.3.8.1-1 shall be OPERABLE.
MODES 1, 2, 3, and When the associated diesel generator is required to be OPERABLE by LCO 3.8.2, "AC Sources-Shutdown."
ACTIONS Sare----y-l-------------------------- -- - ---
e-r---c nU I Separate Condition entry is allowed for each channel.
c- --
CONDITION REQUIRED ACTION COMPLETION TIME A. One or more required A.1 Enter the Condition referenced in Immediately channels inoperable for Table 3.3.8.1-1 for the channel.
reasons other than Condition B.
B. One or more required B.1 Restore the inoperable channels 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> channels associated with Unit 1 4.16 kV ESS Buses in one Division inoperable for the performance of Unit 1 SR 3.8.1.19 C. As required by C.1 Place channel In trip.
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> Required Action A.1 and referenced in Table 3.3.8.1-1.
(continued)
I SUSQUEHANNA - UNIT 2 TS I 3.3-72 Amendment tS1, 1
- 208,
PPL Rev. 1 LOP Instrumentation l 3.3.8.1 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME D. As required by D.1 Restore the inoperable Channel.
1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> Required Action A.1 and referenced in Table 3.3.8.1-1.
E. Required Action E.1 Declare associated diesel generator Immediately and associated (DG) inoperable.
Completion Time of Condition B, C, or D not met.
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I SURVEILLANCE REQUIREMENTS NOTES-------------------------------------------
- 1. Refer to Table 3.3.8.1-1 to determine which SRs apply for each LOP Function.
- 2. When a channel is placed in an inoperable status solely for performance of required Surveillances, entry into associated Conditions and Required Actions may be delayed for up to 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> provided the associated Function maintains DG initiation capability.
SURVEILLANCE FREQUENCY SR 3.3.8.1.1 Perform CHANNEL CHECK.
12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> SR 3.3.8.1.2 Perform CHANNEL FUNCTIONAL TEST.
31 days SR 3.3.8.1.3 Perform CHANNEL CALIBRATION.
24 months SR 3.3.8.1.4 Perform LOGIC SYSTEM FUNCTIONAL TEST.
24 months SUSQUEHANNA-UNIT 2 TS / 3.3-73 Amendment 18, l
- 208,
PPL Rev. 1 LOP Instrumentation l 3.3.8.1 Table 3.3.8.1 -t (page 1 of 1)
Loss of Power Instrumentation CONDITIONS REFERENCED REQUIRED FROM REQUIRED SURVEILLANCE FUNCTION CHANNELS PER BUS ACTION A.1 REQUIREMENTS ALLOWABLE VALUE
- 1. 4.16 kV Emergency Bus Undervoltage (Loss of Voltage < 20%)
- a. Bus Undervoltage
- b. Time Delay
- 2. 4.16 kV Emergency Bus Undervoltage Low Setting (Degraded Voltage 65%)
- a. Bus Undervoltage
- b. Time Delay
- 3. 4.16 kV Emergency Bus Undervoltage LOCA (Degraded Voltage 93%)
- a. Bus Undervoltage
- b. Time Delay (LOCA)
- c. Time Delay (Non LOCA) 1 D
SR 3.3.8.1.3 SR 3.3.8.1.4 SR 3.3.8.1.3 SR 3.3.8.1.4 2 780.4V and s 899.6V I
I D
2O.4sec and 50.6 sec I
2 C
SR 3.3.8.1.1 SR 3.3.8.1.2 SR 3.3.8.1.3 SR 3.3.8.1.4 SR 3.3.8.1.2 SR 3.3.8.1.3 SR 3.3.8.1.4 2 2503V and S 2886V I
1 D
2 2.7sec and S 3.3sec I
2 C
1 D
SR 3.3.8.1.1 SR 3.3.8.1.2 SR 3.3.8.1.3 SR 3.3.8.1.4 SR 3.3.8.1.3 SR 3.3.8.1.4 SR 3.3.8.1.2 SR 3.3.8.1.3 SR 3.3.8.1.4 2 9sec and S 11 sec 2 3801V and S 3935V I
I 1
D
> 4 min 30 sec and S 5min 30 sec I
SUSQUEHANNA - UNIT 2 TS / 3.3-74 Amendment Z1, l
- 208,
PPL Rev. 2 Distribution Systems-Operating 3.8.7 3.8 ELECTRICAL POWER SYSTEMS 3.8.7 Distribution Systems-Operating LCO 3.8.7 The electrical power distribution subsystems in Table 3.8.7-1 shall be OPERABLE.
APPLICABILITY:
MODES 1, 2, and 3.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. --------------NOTE ---------------
Note----------------
Not applicable to DG E DC Enter applicable Conditions and Bus OD597 Required Actions of LCO 3.8.4, "DC Sources - Operating," for DC source(s) made inoperable One or more Unit 2 AC by inoperable power distribution electrical power distribution subsystem(s).
subsystems inoperable.
A.1 Restore Unit 2 AC electrical 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> power distribution subsystem(s) to OPERABLE status.
AND 16 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br /> from discovery of failure to meet LCO 3.8.7 except for Condition ForG B. ---------------NOTE--------------
B.1 Restore Unit 2 DC electrical 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> Not applicable to DG E DC power distribution subsystem(s)
Bus OD597 to OPERABLE status.
AND One or more Unit 2 DC 16 hours1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br /> from electrical power distribution discovery of failure to subsystems inoperable.
meet LCO 3.8.7 except for Condition ForG C. One Unit 1 AC electrical C.1 Restore Unit 1 AC electrical 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> power distribution power distribution subsystem to subsystem inoperable.
OPERABLE status.
(continued)
SUSQUEHANNA - UNIT 2 TS / 3.8-44 Amendment W, 28 l
- 208,
PPL Rev. 2 Distribution Systems-Operating 3.8.7 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME D. Two Unit 1 AC electrical D.1 Restore at lease one Unit 1 AC 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> power distribution electrical power distribution subsystems on one Division subsystems to OPERABLE inoperable for performance status.
of Unit 1 SR 3.8.1.19.
E. Required Action and E.1 Be in MODE 3.
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, B or C not AND met.
E.2 Be in MODE 4.
36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> F. Diesel Generator E DC F.1 Verify that all ESW valves 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> electrical power subsystem associated with Diesel inoperable, while not aligned Generator E are closed.
to the Class 1 E distribution system.
G. Diesel Generator E DC G.1 Declare Diesel Generator E 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> electrical power subsystem inoperable.
inoperable, while aligned to the Class 1 E distribution system.
H. Two or more electrical H.1 Enter LCO 3.0.3.
Immediately power distribution subsystems inoperable that result in a loss of safety function.
(continued)
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I SUSQUEHANNA - UNIT 2 TS / 3.8-45 Amendment 1.51
- 208, I
PPL Rev. 2 Distribution Systems-Operating 3.8.7 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME I.
NOTE------------
Not applicable to DG E DC Bus OD597 1.1 Transfer associated Unit 1 and common loads to corresponding Unit 2 DC electrical power distribution subsystem.
2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> I
One or more Unit 1 DC electrical power distribution subsystem(s) inoperable.
AND 1.2 Restore Unit 1 and common loads to corresponding Unit 1 DC electrical power distribution subsystem.
72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> after Unit 1 l
DC electrical power subsystem is restored to OPERABLE status.
J. Required Actions and J.1 Declare associated common Immediately associated Completion loads inoperable.
Times of Condition I not met.
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SUSQUEHANNA - UNIT 2 3.8-46 Amendment 151, 208