U-601892, Proposed Tech Specs 3/4.8.3, Onsite Power Distribution Sys - Distribution - Operating

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Proposed Tech Specs 3/4.8.3, Onsite Power Distribution Sys - Distribution - Operating
ML20085J795
Person / Time
Site: Clinton Constellation icon.png
Issue date: 10/22/1991
From:
ILLINOIS POWER CO.
To:
Shared Package
ML20085J788 List:
References
U-601892, NUDOCS 9110290369
Download: ML20085J795 (5)
v • d • e


Text

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%y o;&ed % cen4;no 9, vnu ' a n ELECTRICAL POWER SYSTEMS 3/4.8,3 ONSITE POWER OISTRIBUTION SYSTEMS DISTRIBUT' ION - OPERATING LIMITING CONDITION FOR OPERATION 3.8.3.1 The following power dist'ribution system divisions shall be energized:

a.

AC power distribution:

1.

Division I, consisting of:

a) 4160-volt AC Bus 1Al b) 480-volt Unit Substations A and 1A c) 480-volt AC MCCs 1)

Aux. Bldg. MCCs IA1,1A2, lA3, lA4 2)

SSW MCC 1A 3)

DG HCC 1A 4)

Control Bldg. MCCs El, E2, and G 5)

Damper MCC A d) 120-volt AC distribution panels in 480-volt Auxiliary Building MCC 1A1 and Control Building MCC E2.

e) 120-volt AC uninterruptible distribution panels energized from IC71-5001A, which is fed from Control Building MCC E2 and from Auxiliary Building 480-volt MCC _1Al through 125-volt DC MCC IDC13E.

2.

Division II, consisting of:

a) 4160-volt AC Bus 1B1 b) 480-volt Unit.iubstations B and IB c) 480* volt AC HCCs 1)

Aux. Bldg. MCCs 101, 182, IB3, 184 2)

SSW MCC IB 3)

DG MCC.1B 4)

Control Bldg. MCCs F1, F2, and H 5)

Damper MCC B d) 120-volt AC distribution panels in Auxiliary Building.480 volt HCC 181 and Control Building MCC F2.

e) 120-volt AC uninterruptible distribution panels energized from 1C71-5001B, which is fed from Control Building MCC F2 and from Auxiliary Building 480-volt MCC IB1 through 125-volt DC MCC IDC14E.

CLINTON - UNIT 1 3/4 8-17 9110290369 911022 PDR ADOCK 05000461 P

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ELECTRICAL POWER SYSTEMS-DISTRIBUTION - OPERATING ~

LIMITING CONDITION FOR OPERATION (Continued)

- 3. 8. 3.1' (Continued) 3.

Division III, consisting of:

a)..4160-volt AC Bus IC1 b)

Auxilliary Building, 480-volt AC HCC 1C and 480-volt AC MCC 1C1 and SSW MCC IC c)- '120-volt AC distribution panels in Auxiliary Butiding 480-volt MCC IC and 1C1.-

'd) 120-volt AC uninterruptible distribution panels energized from IC71-S001C, which is fed from Auxiliary Building 480-volt-MCC IC and-125-volt DC distribution ~ panel 1E22-S001C.

4.~

Division IV consisting'of 120-volt AC uninterruptible distribution panels energized from IC71-50010 which.is fed from Auxiliary Building :

480-volt MCC IB1 and 125-volt DC MCC 1DC15E.

5.

Reacter Protection System (RPS)-120-volt AC Solenoid Buses A and B

.from~their associated inverters..

b.

DC; power distribution::

1.

Division I, consisting of 125-volt DC Battery 1A,125-volt Battery Charger IA.- 125-voit DC HCC IA and Distribution Panel.-

. 2.

Division II.--consisting of 125-volt DC Battery 18,125-volt Battery Charger.18,:125-volt DC MCC:18, and Distribution Panel.

-3.

Division III;--consisting-of 125-volt DC Battery 10,125-volt Battery

~

Charger IC'and Distribution Panel.

4 Division IV consisting of 125-volt DC Battery 10,125-volt Battery

~

- Charger 10. -125-volt DC' MCC 1D,' and-Distribution-Panel

APPLICABILITY
OPERATIONAL CONDITIONS 1.--2, and 3.

ACTION:

a.

'For AC power distribution:

li

-With either Division I or Division II ^of.the.above requfred AC -

-distribution system not energized, re-energize.the division withi.n 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> or be in at least HOT SHUTDCWN within the next 12' hours 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 />.

2.

With' Division III^or Division IV o'f the above required AC distribution system not energized, declare the HPCS system inoperable and take-the ACTION required by_ Specification 3.5.1.

CLINTON - UNIT 1 3/4 8-1B b

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e to U-601892 1.S-89-004 ELECTRICAL POWER SYSTEMS.

DISTRIBUTION - OPERATING LIMITING CONDITION FOR OPERAi!0N (Continued) 3.8.3.1 MTION(Continued):

3.

a)

With one of the above required inverters associated with IC71-S001A or B inoperable, energize the assuciated 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 SHUTOOWN 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 IC71-5001C or 0 inoperable, declare the HPCS system inoperable and take the ACTION required by Specification 3.5.1, 4.

For 4repereble RPS Solenoid -Bus-inverterebses',

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Q W% ene RP$ %leno;d Bus net ener$ ttk o?'f*CC" f"^Y #^*

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With an RPS Solenoid Bus inverter inoperable, transfer the bus to the alternate power source,provided the other RPS Solenoid Bus is not being supplied from -theg)fernate source, of de-energize 4ht bus.

C,b)

With both RPS Solenoid Bus inverters inoperable,de-energ #

ize one RPS Solenoid B d.c-)

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

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 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or be in at least HOT SHUTOOWN 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 />.

2.

With Division _III or Division IV of the above required DC distribution system not energized, declare the HPCS system inoperable and take the ACTION required by Specifications 3.5.1 and 3.8.4.1.

SURVEILLANCE REQUIREMENTS 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

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to U-601892 LS-89-004 ELFCTRICAL POWER SYSTEMS 0ISTRIBUTION - OPERATING SURVEILLANCE REQUIREMENTS (Continued)

P 3,.1. 2 Whenever JLn lPS_ Sole s is energized from the alternate source, 4

-or-e-60s-PoseHibnRW--4dopera verification shall be made once per

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4. 8. 3.1. 3 (-A-EH E4:-FUNGT4CNAL--TEST-sha14--be-penformed-on-each-RP4 Sa2anoM.

-Bus-Powee-Hon Roe-e t-the-frequency-requ i red-by-Specif4 ee t4cn-4r8.- i. 3. 0.

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4.8.3.1.4 At least once _er_18 months a CHANNEL CALIBRATION shall be performed on each RPS Solenoid Bu Power-GM-S[eelf4eation C8.4.3W-end;e<4oe4eted}

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power supply Regulating Trans oW

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CLINTON - UNIT 1 3/4 6-20 Amendment No. 45

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_ Attachment 2-i t o U-601892:

LS-89-004-Page 11 of 11

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1 ELECTRICAL POWER SYSTEMS REACTOR PROTECTION SYSTEM ELECTRIC POWER HONITORING LIMITING CONDITION FOR OPERATION 3.8.4.3 - One RPS electric power monitoring chamel 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 minute:

or-remove the associated RPS special solenoid power supply or alternate power supply'from service.

SURVEILLANCE REQUIREMENTS -4.8.4,3: The' above specified RPS special solenoid electric power monitoring channcis shall.be determined OPERABLE:

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a[44-4eas4-once p;r.:h conths-by-performance-of-a4HANNEL TU"CTIC"". TCC

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At least once per-18 months by demonstrating the OPERABILITY of over-:

t voltage, undarvoltage and underfrequency 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 i 57 - 0 + 1.2 Hz.

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ibg 1perbfmant.6 e9 a CH ANNEL FUNcTiotel. ~0E.ST each

~1 time the pian + Mjn CoLb sWrt>cMM 9ee a. pertoJL oc

,I rne re. %an 2A hooc5, unless pe(fofmd in +he-9fWoo$

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CLINTON - UNIT 1 3/4 8-53 i

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