ML20128M970

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Proposed TS SR 4.8.3.1.4 Deleting Requirement to Perform Channel Functional Test to Verify Channel Operability, Including Alarm &/Or Trip Functions & Channel Failure Trips
ML20128M970
Person / Time
Site: Clinton Constellation icon.png
Issue date: 02/17/1993
From:
ILLINOIS POWER CO.
To:
Shared Package
ML20128M961 List:
References
NUDOCS 9302220420
Download: ML20128M970 (3)
v • d • e


Text

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l Attachment 2 l to U-601892 LS-89-004 Page 9 of 11 ELECTRICAL POWER SYSTEMS DISTRIBUTION - OPERATING LIMITING CONDITION FOR OPERATION (Continued) 3.8.3.1 ACTION (Continued):

3. a) With one of the ab'ove required inverters associated with IC71-S001A or B inoperable, energize the associated distribution panel within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />; restore the inoperable inverter to OPERABLE and energized status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, b) With one of the above required inverters associated with IC71-S001C or D inoperable, declare the HPCS system inoperable and take the ACTION required by Specification 3.5.1,
4. For -ir.gerabh RPS Solenoid -CW inverters Eusef.

a) W;+h one RPs$olenoM Bus not energite4epecden m^y co^CA"6 b t) With an RPS Solenoid Bus inverter inoperable, transfer the bus to provided the other RPS Solenoid Bus ,

the is notalternate power being supplied fromsource,%agernate source, of de-enefsire 4he, bus.

I C E) With both RPS Solenoid Bus inverters inoperable,de-energize one RPSSolpoidB u

d.c) With the frequency of the 120V AC supply to the RPS Solenoid buses A or B 5, 57 Hz, demonstrate the OPMILITY of all equip-ment which could have been subjected to the abnormal frequency for all Class 1E loads connected to the associated buses, by performance of a CHANNEL FUNCTIONAL TEST or CHANNEL CALIBRAT!ON, as required, within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

l l b. For DC power distribution:

1. With either Division I or Division II of the above required DC distribution system not energized, re-energize the division within-2 hours or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

l 2. With Division III or Division IV of the above required DC distribution -

L system not energized,- declare the HPCS system inoperable' and take the ACTION required by Specifications 3.5.1 and 3.8.4.1.

SURVEILLANCE REOUIREMENTS 4.8.3.1.1 Each of the above required power distribution system divisions shall be determined energized at least once per 7 days by verifying correct- breaker alignment and voltage on the buses /MCCs.

CLINTON - UNIT 1 3/4 8-19 -Amendment No. 45 9302220420 930217 1-PDR ADOCK 0500

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Attachment 2 to U-602095 Page 4 of 5 4

Attachment 2 to U-601892 LS-89-004 Et.ECTRICAL POWER SYSTEMS Page 10 of 11 DISTRIBUTION - OPERATING SURVEILLANCE REQUIREMENTS (Continued) 3.1.2 Whenever an RPS_Solenol Bus is energized from the alternate sourc

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CLINTON - UNIT 1 3/4 8-20 Amendment No. 45 l

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Attachment 2 to U-602095 Page 5 of 5 No b eer Cb

+o %M page, qd Attachment 2 to U-601892 LS39-004 Page 11 of 11 ELECTRICAL POWER SYSTEMS REACTOR PROTECTION SYSTEM ELECTRIC POWER HONITORING LIMITING CONDITION FOR OPLRATION 3.8.4.3 One RPS electric power monitoring channel for each inservice RPS special solenoid power supply or alternate power supply shall tie OPERABLE.

APPLICABILITY: At all times.

ACTION:

With the RPS special solenoid electric power monitoring channel for an inser-vice RPS special solenoid power supply or alternate power supply inoperable, restore the power monitoring channel to OPERABLE status within 30 minutes or remove the associated RPS special solenoid power supply or alternate power supply from service.

SUR,titLANCE REQUIREHENTS 4.8.4.3 The above specified RPS special solenoid electric power monitoring channels shall be determined OPERABLE: ,m

a. -A44 east-once-per-s4x--months-by-performance-o' : CHMiHE4:-f41NCTMMAt--TE+Tr

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b. At least once per IB months by demonstrating the OPERABILITY of over-voltage, undervoltage and underfrequericy protective instrumentation by performance of a CHANNEL CALIBRATION including simulated automatic actua-tion of the protective relays, tripping logic and output circuit breakers and verifying the following setpoints.

EPA-INVERTER A EPA-INVERTER B

1. Overvoltage < 134.2 + 0,-3 VAC < 133.6 + 0, - 3 VAC
2. Undervoltage I 114.2-0, + 3 VAC I 113.2 - 0, + 3 VAC
3. Underfrequency I 57 - 0 + 1.2 Hz s 57 - 0 + 1.2 Hz h perb<rmnce c4 a. CH ANNEL FuNcTioet. %5T cach

%me the pun + M 'in CoLb swuTtowM Qoc o pec,ea oc rnere. hn 2A hoofs,unless perGorrneAin the- pfwtoos SW mon +hs, anA CLINTON - UNIT 1 3/4 8-53

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