ML041070266
| ML041070266 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 04/15/2004 |
| From: | NRC/NRR/DLPM/LPD4 |
| To: | |
| Shukla G, NRR/DLPM/LPDIV-2/415-8439 | |
| Shared Package | |
| ML041060372 | List: |
| References | |
| TAC MC2535 | |
| Download: ML041070266 (2) | |
Text
LOP DG Start Instrumentation 3.3.5 3.3 INSTRUMENTATION 3.3.5 Loss of Power (LOP) Diesel Generator (DG) Start Instrumentation LCO 3.3.5 APPLICABILITY:
ACTIONS One channel per bus of loss of voltage DG start Function; and two channels per bus of degraded voltage Function shall be OPERABLE.
MODES 1, 2, 3, and 4, When associated DG is required to be OPERABLE by LCO 3.8.2, 'AC Sources-Shutdown."
-- NOTE-Separate Condition entry is allowed for each Function.
CONDITION REQUIRED ACTION COMPLETION TIME A. One or more Functions with A.1
-- NOTE one or more channels per One channel may be bus inoperable.
bypassed 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.
Enter applicable Immediately Condition(s) and Required Action(s) for the associated DG made inoperable by LOP DG start instrumentation.
SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.3.5.1 Not used SR 3.3.5.2 Perform TADOT.
-- NOTE-For Unit 1 Cycle 13, SR is due prior to first entry into MODE 4.
18 months (continued)
Diablo Canyon - Units 1 & 2 3.3-41 Unit 1 - Amendment No. 45 442 165 Unit 2 - Amendment No. 425 42
LOP DG Start Instrumentation 3.3.5 SURVEILLANCE REQUIREMENTS (continued)
SURVEILLANCE FREQUENCY SR 3.3.5.3 Perform CHANNEL CALIBRATION with Allowable 18 months Value setpoints as follows:
- a. Loss of voltage Diesel Start Allowable Value 2 0 V with a time delay of
- 0.8 seconds and 2 2583 V with a
- 10 second time delay.
Loss of voltage initiation of load shed with one relay Allowable Value Ž 0 V with a time delay of
- 4 seconds and 2 2583 V with a time delay
- 25 seconds and with one relay Allowable Value 2 2870 V, instantaneous.
- b. Degraded voltage Diesel Start Allowable Value 2 3785 V with a time delay of
- 10 seconds.
Degraded voltage Initiation of Load Shed Allowable Value Ž 3785 V with a time delay of
- 20 seconds.
3.3-42 Unit 1 - Amendment No. 145 442 165 Unit 2 - Amendment No. 1435 l42 Diablo Canyon - Units 1 & 2