ML061500252

Technical Specifications, TS Change to Extend Completion Time for Nuclear System Protection System Inverters

ML061500252
Person / Time
Site:	Clinton
Issue date:	05/26/2006
From:	Office of Nuclear Reactor Regulation
To:
Jabbour K, NRR/DLPM, 415-1496
Shared Package
ML061160210	List: ML061160181 ML061500252
References
TAC MC3035
Download: ML061500252 (1)

Text

Inverters-Operating 3.8.7 3.8 ELECTRICAL POWER SYSTEMS 3.8.7 Inverters-Operating LCO

3.8.7 APPLICABILITY

The Division 1, 2, 3,,and 4 inverters, and A and B RPS solenoid bus inverters shall be OPERABLE.

MODES 1, 2, and 3.

ACTIONS

---

NOTE-----------------------------------

Enter applicable Conditions and Required Actions of LCO 3.8.9, 'Distribution Systems -Operating,"

with any uninterruptible AC bus de-energized.

CONDITION REQUIRED ACTION COMPLETION TIME A.

Division 1 or 2 A.1 Restore Division 1 7 days inverter inoperable, and 2 inverters to OPERABLE status.

B.

One or more Division 3 B.1 Dpclare High Pressure Immediately or 4 inverters' Core SpraySystem inoperable.

inoperable.

C.

One RPS solenoid bus C.1.1 Transfer RPS bus to 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> in ertr.nopera le......

alternate-power--

source.

AND C.1.2 Verify RPS bus Supply Once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> frequency:

57 Hz.

thereafter OR 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> C.2 De-energize RPS bus.

(continued)

I CLINTON 3.8-34 Amendment No. 1 74