ML17228A680

Monthly Operating Repts for Jul 1994 for St Lucie Units 1 & 2.W/940812 Ltr

ML17228A680
Person / Time
Site:	Saint Lucie
Issue date:	07/31/1994
From:	Sager D, Charlotte White FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L-94-204, NUDOCS 9408220100
Download: ML17228A680 (10)

Text

H.jt: C3 H.IMW 1 ACCELERATED RIDS PROCESSING)

's REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9408220100 DOC.DATE: 94/07/31 NOTARIZED: NO DOCKET FACIL:50-335 St. Lucie Plant, Unit 1, Florida Power 6 Light 05000335 St. Lucie Plant, Unit 2, Florida Power 6 Light Co.

Co.'0-389 05000389 AUTH. NAME AUTHOR AFFILIATION P WHITE,C.D. Florida Power'6 Light Co.

SAGER,D.A. Florida Power 6 Light Co.

RECIP.NAME RECIPIENT AFFILIATION

SUBJECT:

Monthly operating repts for Jul 1994 for St Lucie Units 1 6 2.W/940812 ltr. 0 DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR J ENCL I SIZE:

TITLE: Monthly Operating Report (per Tech Specs)

NOTES:

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD2-2 PD 1 1 NORRIS,J 1 1 INTERNAL: ACRS 10 10 AEOD/DSP/TPAB 1 " 1 NRRJJ)O S OEAB 1 1 NRR/DRIL/RPEB 1 1 EQ PI-X E Ol 1 1 RGN2 1 1 EXTERNAL EGGG BRYCE I J ~ H 1 1 NOAC 1 1 NRC PDR 1 1 D

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NOTE TO ALL"RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE iVASTE! CONTACT TI IE DOCUMENT CONTROL DESK, ROOM Pl-37 (EXT. 504-2083 ) TO ELIMINATEYOUR NAME FROM DISTRIBUTIONLISTS I OR DOCUMENTS YOU DON"I'EED!

TOTAL NUMBER OF COPIES REQUIRED: LTTR 20 ENCL 20

P.O. Box 128, Ft. Pierce, FL 34954-0128 August 12, 1994 L-94-204 10 CFR 50.36 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 Re: St. Lucie Units 1 and 2 Docket Nos. 50-335 and 50-389 Monthl 0 eratin Re ort Attached are the July, 1994, Operating Status and Summary of Operating Experience Reports for St. Lucie Units 1 and 2.

Should there be any questions on this information, please contact US ~

Very truly yours, D. A. Sager Vice President St. Lucie Plant DAS/CDW/kw cc: Stewart D. Ebneter, Regional Administrator, Region Senior Resident Inspector, USNRC, St. Lucie Plant II, USNRC Attachments DAS/PSL 81182-94,

", >t)Q~<j 9408220100 94073i PDR ADOCK 05000335 PDR an FPL Group company

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO 50-335 UNIT 8t. Lucie g1 DATE 07/12/94 COMPLETED BY C.D. White TELEPHONE: (407) 468-4248 MONTH JULY 1994 DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 7/01/94 854 7/02/94 853 7/03/94 854 7/04/94 853 7/05/94 852 7/06/94 852 7/07/94 849 7/08/94 849 7/09/94 '50 7/10/94 850 7/11/94 852 7/12/94 853 7/13/94 849 7/14/94 847 7/15/94 847 7/16/94 845 7/17/94 836 7/18/94 832 7/19/94 834 7/20/94 830 7/21/94 763 7/22/94 491 7/23/94 479 7/24/94 643 7/25/94 847 7/26/94 843 7/27/94 846 7/28/94 849 7/29/94 852 7/30/94 851 7/31/94 848

OPERATING DATA REPORT DOCKET NO 50 - 335 DATE 8/12/94 COMPLETED BY C. D. WHITE TELEPHONE 407/468/4248 OPERATING STATUS

1. UNIT NAME: ST. LUCIE UNIT 1

2. REPORTING PERIOD: JULY, 1994

3. LICENSED THERMAL POWER (MWT): 2700

4. NAMEPLATE RATING (GROSS MWE): 850

5. DESIGN ELECTRICAL RATING (NET MWE): 830

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): 872

7. MAXIMUM DEPENDABLE CAPACITY (NET MWE): 839

8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS NUMBER 3 THROUGH 7)

SINCE LAST REPORT, GIVE REASONS:

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWE)

10. REASONS FOR RESTRICTIONS, IF ANY:

MONTHLY - YTD" CUMULATIVE

11. HOURS IN REPORT PERIOD: 744 5087 154367.0

12. NUMBER OF HOURS REACTOR WAS CRITICAL 744.0 4929.5 120459.6

13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 205.3

14. HOURS GENERATOR ON-LINE 744.0 4804.3 119159.2

15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 39.3

16. GROSS THERMAL ENERGY GENERATED (MWH) 1943082 12671774 308437075

17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 639520 4151460 101764750

18. NET ELECTRICAL ENERGY GENERATED (MWH) 606103 3926271 96184633

19. UNIT SERVICE FACTOR 100.0 94.4 77.2

20. UNIT AVAILABILITYFACTOR 100.0 94.4 77.2

21. CAPACITY FACTOR (USING MDC NET) 97.1 92.0 76.6

22. CAPACITY FACTOR (USING DER NET) 98.2 93.0 75.9

23. UNIT FORCED OUTAGE RATE 0.0 5.6 4.0 24 'HUTDOWNS SCHEDULED OVER NEXT 6 MONTHS UNIT 1 CYCLE 13 REFUELING OUTAGE SCHEDULED TO BEGIN OCTOBER 31, 1994.

25. IF SHUT DOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP:

UNIT SHUTDOWNS AI'K) POWER REDUCTIONS DOCKET NO.: 50-335 UNIT NAME: ST LUCIE UNIT 1 DATE: 08/12/94 COMPLETED BY: C. D. WHITE TELEPHONE: (407) 468-4248 REPORT MONTH Y 1 4 No. Date Type Duration Reason Method of Licensee System Component Cause 8c Corrective (Hours) Shutting Event Report Codes Codes Action to Down Prevent Recurrence Reactor 12 940721 0.0 B N/A HF PUMPXX Unit 1 reduced power due to a leak on the discharge side of the 1A2 Circulating Water Pump.

F Forced Reason Method Exhibit G - Insuuctions for S Schcdulcd A - Equipment failure (explain) 1 - Manual preparation of Data Entry B - Maintenance or Test 2 - Manual Scram Shccts Liccnscc Event Report C - Refueling 3 - Automatic Scram (LER) File (NUREG4161)

D - Regulatory restriction 4 - Continued E - Operator Training 8'c License Examination 5 - Load Reduction F - Administrative 9 - Other (Explain) Exhibit 1 - Same Source G - Operational Error (Explain)

H - Other (Explain)

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO 50-335 UNIT'ATE~

St. Lucie g1 07/12/94 COMPLETED BY C.D. White TELEPHONE: (407) 468-4248 REPORT MONTH JULY 1994 From July 1 through July 20, 1994, Unit 1 operated at or above 804 power. On July 21, the Unit reduced power due to a leak on the discharge side of the lA2 Circulating Water Pump. Unit 1 remained at reduced power through July 24, 1994 to repair the leak and returned to full power on July 25, 1994. The Unit operated at or above 80% power through the end of the month.

In accordance with the requirements of Technical Specification 6.9.1.6, there were no challenges to the PORVs or safety valves during the report period.

AVERAGE DAZLY UNZT POWER LEVEL DOCKET NO 50 389 UNZT St. Lucie g2 DATE 07/12/94 COMPLETED BY: C.D. White TELEPHONE (407) 468-4248 MONTH JULY 1994 DAY AVERAGE DAZLY POWER LEVEL (MWe-Net) 7/01/94 853 7/02/94 850 7/03/94 849 7/04/94 847 7/05/94 844 7/06/94 843 7/07/94 841 7/08/94 841 7/09/94 770 7/10/94 92 7/11/94 835 7/12/94 842 7/13/94 839 7/14/94 309 7/15/94 52 7/16/94 818 7/17/94 830 7/18/94 825 7/19/94 827 7/20/94 826 7/21/94 823 7/22/94 824 7/23/94 826 7/24/94 835 7/25/94 833 7/26/94 820 7/27/94 830 7/28/94 833 7/29/94 837 7/30/94 837 7/31/94 803

OPERATING DATA REPORT DOCKET NO 50 - 389 DATE 8/12/94 COMPLETED BY C. D. WHITE TELEPHONE 407/468/4248 OPERATING STATUS

1. UNIT NAME: ST. LUCIE UNIT 2

2. REPORTING PERIOD: JULY, 1994

3. LICENSED THERMAL POWER (MWT): 2700

4. NAMEPLATE RATING (GROSS MWE): 850

5. DESIGN ELECTRICAL RATING (NET MWE): 830

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): 882

7. MAXIMUM DEPENDABLE CAPACITY (NET MWE): 839

8. IF CHANGES OCCUR IN CAPACITY RATZNGS (ITEMS NUMBER 3 THROUGH 7)

SINCE LAST REPORT, GIVE REASONS:

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWE)

10. REASONS FOR RESTRICTIONS, IF ANY:

MONTHLY -YTD- CUMULATIVE

11. HOURS ZN REPORT PERIOD: 744 5087 96264.0

12. NUMBER OF HOURS REACTOR WAS CRITICAL 718.7 3431. 1 80594.7

13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

14. HOURS GENERATOR ON-LINE 696.0 3298.7 79194.0

15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

16. GROSS THERMAL ENERGY GENERATED (MWH) 1848068 8469189 205430114

17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 603050 2737710 68247260

18. NET ELECTRICAL ENERGY GENERATED (MWH) 569495 2566083 64467254

19. UNIT SERVICE FACTOR 93.5 64.8 82.3

20. UNIT AVAILABILITYFACTOR 93.5 64.8 82.3

21. CAPACITY FACTOR (USING MDC NET) 91.2 60.1 80.8

22. CAPACITY FACTOR (USING DER NET) 92.2 60.8 81.2

23. UNIT FORCED OUTAGE RATE 6.5 4.8 7 3

24. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS

25. IF SHUT DOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP:

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-389 UNIT NAME: ST LUCIE UNIT 2.

DATE: 07/12/94 COMPLETED C. D. WHITE BY'ELEPHONE:

(407) 468-4248.

k REPORT MONTH J Y 1 4 No. Date Type Duration Reasons Method of System Code'omponent Cause & Corrective (Hours) Shutting Event Report Code Action to Reactor'icensee Down ¹ Prevent Recurrence 10 940709 15.73 B N/A IF Unit 2 decreased power and was taken off-line due to a problem with instrumentation on the 2B1 Reactor Coolant Pump (RCP).

940714 32.28 B N/A IA CKTBRK Unit 2 reduced power and was manually shutdown due to a problem with Reactor Protection System (RPS) Trip Circuit Breaker (TCB) No. 5.

F Forced Reason Method Exhibit G - Instmctions for S Schcdulcd A - Equipment failure (explain) I - Manual Preparation of Data Entry B - Maintenance or Test 2 - Manual Scram Shccts Liccnscc Event Rcport C - Refueling 3 - Automatic Scram (LER) File (NUREG4161)

D - Regulatory restriction 4 - Continued E - Operator Training dc License Examination 5 - Load Reduction F - Administrative 9 - Other (Explain) Exhibit 1 - Same Source G - Operational Error (Explain)

H - Other (Explain)

~ ~

~ ~ ~

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO.: 50-389 UNIT St. Lucie g2 DATE: 07/12/94 COMPLETED BYC C.D. White TELEPHONE. (407) 468-4248 REPORT MONTH JULY 1994 Unit 2 operated at or above 80% power from July 1 through July 9, 1994. On July 9, the Unit began to decrease power due to a problem with instrumentation on the 2B1 Reactor Coolant Pump (RCP). On July 10 Unit 2 was taken off-line to repair the instrumentation; the Unit returned to full power on July 11, 1994. From July 11 to July 13, Unit 2 operated at or above 804 power. Due to a problem with a Reactor Protection System (RPS) Trip Circuit Breaker (TCB), the Unit reduced power and was manually shutdown on July 14, 1994. Unit 2 remained off-line through July 15, was returned to full power on July 16, and operated at or above 80% power through the end of the month.

In accordance with the requirements of Technical Specification 6.9.1.6, there were no challenges to the PORVs or safety valves during the report period.