ML060760472

Technical Specifications, Revises the SSES 2 TS 3.3.8.1, Loss of Power (LOP) Instrumentation

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 The LOP instrumentation for each Function in Table 3.3.8.1-1 shall be OPERABLE.

APPLICABILITY: 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 c- -- -. - - - - - --- - - - - - - - - - - - - -

Separate Condition entry is allowed for each channel.

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 I and referenced in Table 3.3.8.1-1.

(continued)

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 /> I Required Action A.1 and referenced in Table 3.3.8.1-1.

E. Required Action E.1 Declare associated diesel generator Immediately I and associated (DG) inoperable.

Completion Time of Condition B, C, or D not met. I SURVEILLANCE REQUIREMENTS

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--------------------- 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 1 D SR 3.3.8.1.3 2 780.4V I SR 3.3.8.1.4 and s 899.6V

b. Time Delay I D SR 3.3.8.1.3 2O.4sec I SR 3.3.8.1.4 and 50.6 sec

2. 4.16 kV Emergency Bus Undervoltage Low Setting (Degraded Voltage 65%)

a. Bus Undervoltage 2 C SR 3.3.8.1.1 2 2503V I SR 3.3.8.1.2 and SR 3.3.8.1.3 S 2886V SR 3.3.8.1.4

b. Time Delay 1 D SR 3.3.8.1.2 2 2.7sec I SR 3.3.8.1.3 and SR 3.3.8.1.4 S 3.3sec

3. 4.16 kV Emergency Bus Undervoltage LOCA (Degraded Voltage 93%)

a. Bus Undervoltage 2 C SR 3.3.8.1.1 2 3801V I SR 3.3.8.1.2 and SR 3.3.8.1.3 S 3935V SR 3.3.8.1.4

b. Time Delay (LOCA) 1 D SR 3.3.8.1.3 2 9sec I SR 3.3.8.1.4 and S 11 sec

c. Time Delay (Non 1 D SR 3.3.8.1.2 > 4 min I LOCA) SR 3.3.8.1.3 30 sec SR 3.3.8.1.4 and S 5min 30 sec 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 /> I 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 /> I 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 /> I electrical power subsystem associated with Diesel inoperable, while not aligned Generator E are closed.

to the Class 1E 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 /> I electrical power subsystem inoperable.

inoperable, while aligned to the Class 1E distribution system.

H. Two or more electrical H.1 Enter LCO 3.0.3. Immediately I power distribution subsystems inoperable that result in a loss of safety function.

(continued)

SUSQUEHANNA - UNIT 2 TS / 3.8-45 Amendment 1.51 I 208,

PPL Rev. 2 Distribution Systems-Operating 3.8.7 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME I. ----------------NOTE------------ 1.1 Transfer associated Unit 1 and 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> I Not applicable to DG E DC common loads to Bus OD597 corresponding Unit 2 DC

---

- ------ electrical power distribution subsystem.

One or more Unit 1 DC electrical power distribution subsystem(s) inoperable.

AND 1.2 Restore Unit 1 and common 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> after Unit 1 l loads to corresponding Unit 1 DC electrical power DC electrical power subsystem is distribution subsystem. restored to OPERABLE status.

J. Required Actions and J.1 Declare associated common Immediately I associated Completion loads inoperable.

Times of Condition I not I met.

SUSQUEHANNA - UNIT 2 3.8-46 Amendment 151, 208