U-602586, Monthly Operating Rept for Apr 1996 for Clinton Power Station Unit 1

Monthly Operating Rept for Apr 1996 for Clinton Power Station Unit 1

ML20111B259
Person / Time
Site:	Clinton
Issue date:	04/30/1996
From:	Demark W, Lyon M ILLINOIS POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L30-96(05-08)LP, L30-96(5-8)LP, U-602586, NUDOCS 9605140301
Download: ML20111B259 (12)

Text

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l lihnom Power Company )

Chnton Power Stahon

, , P.O. Box 678 Chnton, IL 61727 i Tel 217 935-8881 ILLIN9ES -

PtpWER E;EE*p'3 08 3-1.,  ;

8E.100c May 8, 1996 10CFR50.36 Docket No. 50-461 U.S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555 Subj ect: Clinton Power Station, Unit 1 Facility Operating License NPF-62 Aoril 1996 Monthly Operatinz Report

Dear Sir:

Please find in Attachment 1 the Monthly Operating Report for Clinton Power Station, Unit 1, for the period ending April 30, 1996.

Sincerely yours,

• E.

Michael W. n Director - Licensing WED/krk Attachments cc: NRC Region III Regional Administrator NRC Resident Office, V-690 Illinois Department of Nuclear Safety l

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Attachment 1 to U-602586

. , Page 1 of 4 CHALLENGES TO' MAIN STEAM SAFETY / RELIEF VALVES Month Anril 1996 Please see the attached copy of Clinton Power Station Actuation Log for this data ,

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. l Attschasnt 1 to U-602586

. Page 2 of 4 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-461 UNIT Clinton 1 DATE 04/30/96 COMPLETED BY W. E. DeMark TELEPHONE _f217) 935-8881 X3537 MONTH Aoril 1996 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 934 17 936 2 935 18 936 3 936 19 935 4 935 20 936 5 936 21 933 6 936 22 933 7 896 23 934 8 935 24 935 9 525 25 935 10 0 26 935 11 0 27 936 12 0 28 934 13 0 29 935 14 291 30 935 15 732 31 N/A 16 915

Attachmsnt 1 to U-602586

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OPERATING DATA REPORT l l

l DOCKET NO. 50-461 UNIT Clinton 1 DATE 04/30/96 COMPLETED BY W. E. DeMark i i

TELEPHONE (217) 935-8881 X3537 i OPERATING STATUS

1. REPORTING PERIOD: April 1996 GROSS HOURS IN REPORTING PERIOD: 2.11 1

2. CURRENTLY AUTil0RIZED POWER LEVEL (MWt): 23 14

MAX. DEPEND. CAPACITY (MDC) (MWe-Net)

2)_Q f DESIGN ELECTRICAL RATING (MWe-Net): 13).

3. POWER LEVEL TO WilICH RESTRICTED (IF ANY) (MWe-Net): None I

4. REASONS FOR RESTRICTION (IF ANY): N/A THIS MONTH YR TO DATE GUMULATIVE

5. NUMBER OF HOURS REACTOR WAS CRITICAL... 619.25 2.803.3 57.624.4 4 6 REACTOR RESERVE SHUTDOWN HOURS......... O.0 0.0 0.0

7. HOURS GENERATOR ON LINE................ 610.6 2.794.6 54.362.7 )

8. UNIT RESERVE SHUTDOWN HOURS............ 0.0 0.0 4.0

9. GROSS THERMAL ENERGY GENERATED (MHZ)... 1.712.702 8.019.168 146.029.419

10. CROSS ELECTRICAL ENERGY GENERATED (MHZ) 574.052 2.675.226 48.236.379

11. NET ELECTRICAL ENERGY GENERATED (MHZ).. 546.538 2.563.827 45.949.188

12. REACTOR SERVICE FACTOR................. 86.1% 96.7% 78.0%

13. REACTOR AVAILABILITY FACTOR............ 86.1% 96 . 'll 78.0%

14. UNIT SERVICE FACTOR.................... 84.9% 96.3% 73.5%

15. UNIT AVAILABILITY FACTOR............... 84.9% 96.3% 7 3 . 53,

16. UNIT CAPACITY FACTOR (Using MDC)....... 81.7% 95.0% 66.8%

17. UNIT CAPACITY FACTOR (Using Design MWe) 81.5% 94.7% 66.6%

18. UNIT FORCED OUTAGE RATE................ 15.1% 3.7% 8.2%

19. SHUTDOWNS SCHEDULED OVER NEXT SIX MONTHS (TYPE, DATE, DURATION OF EACH):

Refueling Outage 6 (RF-6), October 1996, expected duration 42 days.

20. IF SHUT DOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP: N/A 1

Attrchment a 1 ' '

to U-602586 Page 4 of 4 .

UNIT SHUTDOWNS AND POWER REDUCTIONS

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DOCKET NO. 50-461 UNIT Clinton 1 DATE 04/30/96 . -

COMPLETED BY W. E. DeMark l TELEPHONE (217) 935-8881 X3537 REPORT MONTH April 1996 METHOD OF TYPE SHUTTING DOWN F: FORCED DURATION THE REACTOR OR CORRECTIVE NO. DATE S: SCHEDULED (HOURS) REASON (1) REDUCING POWER (2) ACTIONS / COMMENTS FO 96-01 04/09/96 F 108.4 G 3 Automatic reactor scram caused by a Group 1 containment isolation upon loss of the Reserve Auxiliary Transformer (RAT) and a slow (by design) shift to the Emergency Reserve Auxiliary Transformer (ERAT). The RAT was ,

deenergized due to actuation of a protective relay during preventive maintenance on switchyard breaker 4522.

(1) Reason A-Equipment Failure (explain), B-Maintenance or Test, C-Refueling, D-Regulatory Restriction, E-Operator Training & License Examination, F-Administrative, G-Operational Error (explain),

H-Other (explain)

(2) Method ,

1-Manual, 2-Manual Scram, 3-Automatic Scram, 4-Other (explain)

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. CLASS CODE: NNNN1 EPS*No. 3831.01D002 ,

(rov._5) I CLINTON POWER STATION DOCUMENT TITLE: ACTUATION LOG OFFICIAL WORKING COPY Signature [ A SCOPE OF REVISION: Updated format. /D gj LINEUP PERFORMANCE REQUIRED ON ISSUANCE: Yes X No ORIGINATED BY: Brant Chambers FOR INFORMATION ONLY WORD PROCESSING BY: Kaye L. Hennenfent APPROVAL DATE: JUN 01, 1994 CHANGE NO. AFFECTED PAGES CHANGE NO. AFFECTED PAGES CHANGE NO. AFFECTED PAGES CHANGE NO. AFFECTED PAGES CHANGE NO. AFFECTED PAGES CHANGE NO. AFFECTED PAGES CHANGE NO. AFFECTED PAGES CHANGE NO. AFFECTED PAGES CHANGE NO. AFFECTED PAGES CHANGE NO. AFFECTED PAGES l

i Page 1 of 2

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. CLASS CODEi.

L NNNN1

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C'PS No. : 3831.01D002

, (Rev. 5) Plant: Docket No. 50-461

• . ACTUATION LOG l NOTE Includes all IN-SERVICE tests.

I Equipment Identification Nors 1 i 302' Number (EIN)-

303. Date of Actuation (MM/DD/YY) NOTE 1 304. Time of Day (24 Hour Clock) NOTE 1 Type of Actuation gog t 305. (Code - Appendix A) 306.

Cause/ Reason for Actuation

• gg  ;

(Code - Appendix A)

Rx Operating Condition  :

307. Prior to Lift NOTE 1 (Code - Appendix A) 308.

Rx Power Level Prior to Lift gg

(% Rated Thermal) ,

Time.for Tailpipe Temperature 309. to Return to Normal Other Instrumentation - Number "^

Reading and Units Rx Pressure Prior to Actuation NOTE i 311.

IF AVAILABLE/IF APPLICABLE (See Step 8.1.2 and accompanying NOTE.) r 312.

Reseat Pressure at Valve Nore i Closure (PSIG) 313. Duration of this Actuation Notti '

(Minutes: Seconds)

Failure, Reports NONE 314. (Code - Appendix A) l 315. LER Nnmher (5 Digit Number) NONE. j Comment Sheet Regarding This @re 1 316. Actuation Attached?(Yes or No)

Completed By / [2/-9p

["/dIgnature Date 7 REVIEW AND APPROVAL , /

Shift / Assistant Shift Supervisor / !e df24 4t, Da'te

' Asst.'Dir. - Plant Operations ///tefM)signafure'eM . 9/.'5/'f(

pf signatu Date

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• Doe 4o lhe large nomber of SRV, te, Page 2 of 2 sdoaiic>ns 4he idormaMon and N^;c w

&e contained on. 4he aHached cheeis

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Attachment 10 CPS No. 3831.01D002 - -

Block ~ Block Block Block Block Block Block Block Block Block-302 303 Block 304 305 '306 307 308 309 311 312 313 see see see App. A SRV attached attached ---l --

Time for .

EIN App. A App. A Rx Op tailpip Rx Press

---l--- ---l--- ---l--- Condition Rx Pwr temp before Reseat: Duration (1B21- Time of Type of Actuation prior to prior to < 200 F lift Press of lift i FOXXX) Date lift Actuation Reason lift lift (hr: min) (psig) -(psiq) (secs)-

l 51C 4/9/96 13:31:47 A A G 0% 05:28 '1098 925' 28 51D 4/9/96 13:31:47 A A G 0% note 6 1098 925 32 51D 4/9/96 13:33:53 A A G 0% note 6 1035 928 42 _

51D 4/9/96 13:35:16 B E G 0% note 6 1000 870 -94 41G 4/9/96 13:43:19 B E -G 0% 07:38 995 830 145 SIG 4/9/96 13:54:39 B E G 0% note 6 905 620 -333 47C 4/9/96 14:23:33 B E G 0% note 6 920 640 243 41C 4/9/96 14:41:03 B E G 0% note 6 795 620 165 51D 4/9/96 15:04:38 B E G 0% note 6 940 660 195 47D 4/9/96 15:28 B E G 0% 07:02 950 600 293 51B 4/9/96 16:10 B E G 0% note 6 960 695 165 47F 4/9/96 16:27 B E G 0% 06:00 995 560 330 41D 4/9/96 16:53 B E G 0% note 6 700' 520 .(4) 240 41C 4/9/96 17:10 B E G 0% note 6 725 510 (4) 360 41F 4/9/96 17:28 B E G 0% 04:10 720 510 note 5' 47C 4/9/96 17:42 B E G 0% note 6 700 510 note 5 51G 4/9/96 18:10 B E G 0% note 6 580 500 note 5 41D 4/9/96 18:44 B E G 0% note 6 700 490 note 5 41D 4/9/96 19:00 B E G 0% note 6 700 490 note 5 41B 4/9/96 19:43 B E G 0% 04:17 700 625- note 5 51G 4/9/96 19:52 B E G 0% note 6 720 640 note 5 41D 4/9/96 19:54 B E G 0% note 6 720 650 note 5 47C 4/9/96 20:03 B E G 0% note 6 720 620 note 5 416-9w 5.)

l' Attachment to CPS No. 3831.01D002 .

Block Block Block Block Block Block Block Block Block Block 302 303 Block 304 305 306 307 300 309 311 312 313 see see see App. A SRV attached attached ---l--- Time for u EIN App. A App. A Rx Op tailpip Rx Press

---l--- ---l--- ---l--- Condition Rx Pwr ternp before Rescat Duratien (1B21- Time of Type of Actuation prior to prior to < 200'F lift  : Press of lift FOXXX) Date lift Actuation Reason lift lift (hr: min) (psig) (psig) (secs) 47A 4/9/96 20:07 B E G 0% note 6 720 640 note 5' 47B 4/9/96 20:24 B E G 0% note 6 720 620 note 5 51D 4/9/96 20:33 B E G 0% note 6 720 610 note 5 51B 4/9/96 20:52 B E G 0% note 6 720 610 note 5 47C 4/9/96 21:06 B E G 0% note 6 720 610 note 5 51C 4/9/96 21:24 B E G 0% note 6 720 600 note 5 47A 4/9/96 21:37 B E G 0% note 6 720 580 note 5 47B 4/9/96 21:48 B E G 0% note 6 715 620 note 5 51G 4/9/96 22:18 B E G 0% 04:12 720 600 note 5 47F 4/9/96 22:35 B E G 0% note 6 730 590 note 5 47C 4/9/96 23:02 B E G 0% note 6 755 590 note 5 41C 4/9/96 23:22 B E G 0% note 6 720 580 note 5 47B 4/9/96 23:41 B E G 0% note 6 720 600 note 5 41L 4/9/96 23:52 B E G 0% 03:23 720 600 note 5 41F 4/10/96 0:09 B E G 0% note 6 715 600 note 5 51C 4/10/96 0:19 B E G 0% note 6 715 600 note 5 47C 4/10/96 0:37 B E G 0% note 6 720 600 note 5 51D 4/10/96 0:50 B E G 0% note 6 715 600 note 5 41G 4/10/96 1:01 B E G 0% note 6 715 600 note 5 41A 4/10/96 1:17 B . E G 0% note 6 715 600 note 5 41C 4/10/96 1:25 B E G 0%~ note 6 715 600 note 5 47A 4/10/96 1:43 B E G 0% note 6 710 600 note 5 41F 4/10/96 1:52 B E G 0% note 6 715 600 note 5 4 9t, J7V

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Attachment to CPS No. 3831.01D002 . , - :-

Block Block Block Block Block Block Block. Block Block Block 302 303 Block 304 305 306 307 308 309 311 312 313 see see see App. A SRV attached attached ---l --

Time for ....

EIN App. A App. A Rx Op tailpip Rx Press

---1--- ---I--- Condition Rx Pwr temp before Reseat Duration

-l-Type of Actuation prior to prior to < 200 F lift Press of lift (1B21- Time of FOXXX) Date lift Actuation Reason lift lift (hr: min) (psig) (psig) (secs) 41D 4/10/96 2:10 B E G 0% note 6 715 600 note 5 41B 4/10/96 2:21 B E G 0% note 6 715 600 note 5 47D 4/10/96 2:39 B E G 0% note 6 710 600 note 5 41F 4/10/96 2:49 B E G 0% note 6 710 600 note 5 51E 4/10/96 3:04 B E G '0 % note 6 710 600 note 5 47B 4/10/96 3:14 B E G 0% note 6 710 600 note 5 41A 4/10/96 3:29 B E G 0% 05:01 710 600 note 5 41C 4/10/96 3:39 B E G 0% note 6- 710 600 note 5 41L 4/10/96 3:55 B E G 0% 04:05 710 600 note 5 51C 4/10/96 4:06 B E G 0% note 6 710 600 note 5 47A 4/10/96 4:23 B E G 0% 05:37 710 600 note 5 t 41F 4/10/96 4:44 B E G 0% note 6 710 600 note'5 47D 4/10/96 4:51 B E G 0% 06:24 710 600 note 5 47B 4/10/96 5:00 B E G 0% note 6 710 600 note 5 47A 4/10/96 5:18 B E G 0% note 6 710 600 note 5 ,

51B 4/10/96 5:28 B E G 0% note 6 710 600 note 5 51D 4/10/96 5:45 B E G 0% note 6 710 610 note 5 41F 4/10/96 5:54 B E G 0% 05:56 710 600 note 5 ,

41D 4/10/96 6:13 B E G 0% note 6 710 610 note 5 41G 4/10/96 6:21 B E G 0% note 6 710 600 note 5 47F 4/10/96 6:40 B E G 0% note 6 710 600 note 5 47C 4/10/96 6:51 B E G 0% 07:01 710 600 note 5  ;

51G 4/10/96 7:11 B E G 0% 04:49 710 600 note 5

< -n.s 4)-

Attachment to CPS No. 3831.01D002

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Block Block Block Block Block Block. Block -~' t Block Block Block

'302- 303 Block 304 305 306 307 308 309 311 312 313 t

see -see see App. A SRV attached attached ---l--- Time for .  ;

EIN App. A App. A Rx Op tailpip Rx Press

---l--- ---l--- Condition Rx Pwr temp before Reseat Duration

---l---

(IB21- Time of Type of Actuation prior to prior to < 200 F lift Press of lift FOXXX) Date lift Actuation Reason lift lift (hr: min) (psiq) (psig) (secs) 41B 4/10/96 7:21 B E G 0% note 6 710- 590 note 5 ,

51D 4/10/96 7:41 B E G 0% note 6 710 610 note 5 47B 4/10/96 7:51 B E G 0% note 6 710 600 note 5 51G 4/10/96 8:10 B E G 0% note 6 710 610' note 5 51C 4/10/96 8:21 B E G 0% 06:39 710 600 note 5 47F 4/10/96 8:40 B E G 0% 05:56 720 600 note 5 41G 4/10/96 8:52 B E G OB 07:30 720 600 note 5 51D 4/10/96 9:09 B E G 0% 07:36 710 600 note 5 41B 4/10/96 9:21 B E G 0% 07:39 715 600 note 5 47B 4/10/96 9:40 B E G 0% 08:20 -720 590 note 5 41D 4/10/96 10:00 B E G 0% (3) 5:15 715 590 note 5 41C 4/10/96 10:15 B E G 0% 07:25 715 600 note 5 41A 4/10/96 10:40 B E 'G 0% 04:20 720 610 note 5 51B 4/10/96 10:53 B E G 0% 07:44 720 590- note 5 47A 4/10/96 13:20 B E G 0% 04:40 710 550 note 5 51C 4/10/96 16:48 B E G 0% 06:12 720 515 note 5 note 3: SRV 41D cooled down to approximately 210 deg F, all other times are based on < 200 deg F.

note 4: These durations are rough approximations based on logs taken during the event.

note 5: These values are not available. l l l note 6: SRV was actuated again prior to tailpipe temp decreasing below 200 deg F

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CPS No. 3831.01 W' 3831.01DOO2-

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ACTUATION EVENTS CODES NOTE

.For each actuation event, select the_ appropriate code corresponding to the block number on the actuation _ log, CPS No. 3831.01D002.

BLOCK # DESCRIPTION CODES (Select One)

A. Automatic 305 Type of Actuation B. Remote Manual C. Spring A. Overpressure B. ADS 06 Cause/ Reason for C. Test-Actuation D. Inadvertent (Accidental, Spurious)

E. Manual Relief C. Routine Startup Reactor Operating D.' Routine Shutdown Condition Prior E. Steady State Operation 307 to. Lift F. Load Changes During Routine Operation (LER Codes) G. Shutdown (Hot or Cold) Except Refueling H. Refueling (Select As Many As Applicable)

A. Failure of any Part of Valve Assembly -

SRV Report Required 314 Failure-Reports B. No Failures Occurred C. LER Submitted - Give LER Number in Block

1. 315 D. NPRDS Will Be Submitted E. Failure Page No. 6 of 6 Rev. No. 4