ML20027D845

Monthly Operating Rept for Apr 1981

ML20027D845
Person / Time
Site:	Saint Lucie
Issue date:	05/09/1981
From:	Chilson V FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML20027D844	List: ML20027D843 ML20027D845
References
NUDOCS 8211100225
Download: ML20027D845 (4)

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OPERATING DATA REPORT DOCKET NO. 50 - 335 DATE hy 9- 1981 COMPLETED BY V. T. Chilson TELEPHONE (1nus5'-3824 OPERATING STATUS St. Lucie Unit No. 1 Notes - Unit operated at

1. Unit Name:

April. 1981 approximately 100% R.P.

2. Reporting Period: except for outage of April

3. Licensed Thermal Power (MWt): 2560 16-21, 1981.

4. Nameplate Rating (Gross MWe): 850

5. Design Electrical Rating (Net MWe): 802 ,

6. Maximum Dependable Capacity (Gross MWe): 822

7. Maximum Dependable Capacity (Net MWe): 777 S. 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): NONE

10. Reasons For Restrictions,if Any:

This Month Yr..to Date Cumulative

11. Hours In Reporting Period 719.0 2 879.0 38 207.0

12. Number Of Hours Reactor Was Critical 599.7 _.2 759.7 31 185.0

13. Reactor Reserve Shutdown Hours 129.5

14. Hours Generator On-Line 598.2 2 758.2 30 389.3 ~

15. Unit Reserve Shutdown Hours 39.3

16. Gross Thermal Energy Generated (MWH) 1 517 646 7 010 391 74 258 539

17. Gross Electrical Energy Generated (MWH) 496 710,_, 2 303 440 24 113 300

18. Net Electrical Energy Generated (MWH) 468 399 2 179 551 22 707 037

19. Unit Service Factor 83.2 95.8 79.5

20. Unit Availability Factor 83.2 95.8 79.6

21. Unit Capacity Factor (Using MDC Net) 83.8 97.4 76'.5

22. Unit Capacity Factor (Using DER Net) 81.2 94.4 74.1

23. Unit Forced Outage Rate 4.0 0. 9 5.4

24. Shutdowns Scheduled Over Next 6 Months (Type. Date,and Duration of Each1:

Scheduled refueling:. maintenance, and inspections - October 4 - December 5, 1981.

25. If Shut Down At End Of Report Period. Estimated Date of Startup: N/A

26. Units in Test Status (Prior to Commercial Operation): Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY -

COMMERCIA L OPERATION g s.,

8211100225 810509 gof773 PDR ADOCK 05000250 R PDR

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. t DOCKET NO. 50 - 335 i -

UNITSillRf) OWNS AND POWER REDUCTIONS UNIT NAME St. Lucie Unit No. I DATE May 9: 19R1 t COMPLETED BY V. T. Ch11 son REPORT MONf!I APRIL. LU81 -

TELEPHONE (1ns) s s o _19 y f, n.

_ B E

-, .$g 3 j Ei Licensee jg, j Cause & Corrective No. Daic g. 5g $ 2s5 Eveni p.. ' ' Ey, El Action to l- g5 5 jg Report n mO yb Prevent , Recurrence c5 x

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x3 02 81-04-16 F 24.8 A 2 EA TRANSF Unit was manually tripped when s

s arcing was observed on the B phase bushing ontpower transformer,No. IB.

Corrective actions' included instal-

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, lidg new B phase bushing on ' power transformer Nos. IA and IB ae.d in-s'pection of both power transformers.

, (Non-nuclear system)

S 96 B 4 -

ZZ ZZZZZZ Outage was ed't ended to perform main-tenance on primary and secondary -

systems. (Nuclear and Non-nuclear systems) i l 2 3 4 F:, Forced Reason: Method: Exhibii G Instructions Sr Scheduled A-Equipment Failure (Explain) 1 Manual for Preparation of Data B-Maintenance of Test - 2 Manual Scram. Entry Sheets for Licensee C Refueling 3 Automatic Scram. Event Report (LER) File thUREG-D Regulatory Restriction 4 01her_iEaplungontinuing 0161)

E-Opesator Training & Ucense Examination 5-Load Reduction F Administrative 9-Other (Explain) 5 G-Operational Es tor IExplain) Exhibit I - Same Source 19/77) Il-Ot her (Explain)

AVERAGE DAILY UNIT POWER LEVEL

)

DOCKET NO. 50 - 335 St. Lucie

' UNIT Unit No. 1

, j DATE May 9, 1981 COMPLETED BY V.'T. Chilson TELEPHONE (305)S52-3824 1

MONIli A 5 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL IMWe-Net) (MWe-Net) 1 795 i7 _

2 797 gg ---

T 3 794 , 19 4 794 20 5 794 21 160 6 794 22 755 4

7 794 23 787 g 795 24 791 9 794 25 789 10 793 26 790 DST

794 27 789 12 794 23 789 13 794 29 790 i4 793 30 789 15 793 _y_ f 16 449 NOTE: Average daily power level greater than 777 MWe due to cooler

'chndenser cooling i water.

INSTRUCTIONS On this format. list the average daily unit power lesci in MWe Net for each day in the reporting inonth. Compute to the nearest whole rnegawatt.

'l (9/77 )

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SUMMARY

OF OPERATING EXPERIENCE DOCKET NO. 50 - 335 St. Lucie

_ UNIT Unit No. 1 DATE May 9, 1981 COMPLETED BY V. T. Chilson TELEPHONE (305) 552-3824 REPORT MONTH APRIL, 1981 Unit operated at approximately 100% R.P. except for outage of April 16-21, 1981. Refer to " Unit Shutdowns and Power Reductions" section of April, 1981, Operating Status Report for additional information.

Major Safety-related maintenance activities performed during the month included:

Inspections and requirements of IE Bulletins and NUREG-0578 are continuing.

Florida Power & Light Company commitments for NUREG-0578 implementation are continuing. '

Refer to correspondence between FPL and NRC for additional information.

Replaced pressurizer safety valve No. V-1200.

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