ML20027D853

Monthly Operating Rept for St Lucie Unit 1 for June 1980

ML20027D853
Person / Time
Site:	Saint Lucie
Issue date:	07/05/1980
From:	Chilson V FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML20027D849	List: ML20027D848 ML20027D853
References
NUDOCS 8211100261
Download: ML20027D853 (4)

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OPERATING DATA REPORT DOCKET NO.w SO - 335

. DATE luiv 5. 1980 COMPLETED BY Lt. Ch11aon TELEPHONE ODR_551-3824 n,

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OPERATING STATUS .

St. Lucie Unit No.1 Notes - Unit operated'at ap-I Unit Name, ~

Proximately 100% R.P.,7uacil

2. Reportins Period: Jtme . 1980 Jurie 11,1980, when the unit 2560

3. Licensed Thermal Power (MWt): was removed from servic4 to

4. Naaieplate Rating (Gross MWe): 850 repair mechanical. se.als' on

5. Design Electrical Rating (Net MWe): 802 reactor coolant pumps.e:cct;pt

6. Maximum Dependable Capacity (Gross MWe): 822 for load reductick~-ofUtitie T

7. Maximum Dependable Capacity (Net MWe): 777 4-5. 1QRn- __

8. If Changes Occur in Capacity Ratings (items Number 3 'Ihrough 7) Since I.ast Report, Give Reasons: V .-

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9. Power Level To Which Restricted.lf Any (Net MWe): NONE

10. Reasons For Restrictions. lf Any

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t h This Month Yr to.Date Cumulative .

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11. Hours In Reporting Period 720.0 4 367.0 30 911.0 - #.

12. Number Of Hours Reactor Was Critical 256.0 2 536.2 24 045.9 129.5 l 13. Reactor Reserve Shutdcwn Hours l 14. Hours Generator On-Line 252.2 2 444.3 23-274.3 .

15. Unit Reserve Shutdown Hours 32.0

16. Gross Thermal Energy Generated (MWH) 625 343 6 003 127 56 262 693

17. Gross Electrical Energy Generated (MWH) _

203 25_0__ 1 937 780 18 232 280 18r. Net Electrical Energy Generated (MWH) 188 166 C 1_816 304, 17 144 200

19. Unit Service Factor 35.0 -

s '-56.0 75.3

20. Unit Availability Factor 35.0 __

' 56.0 75.4

21. Unit Capacity Factor (Using MDC Net) - 33.6 53.5 71.4

22. Unit Capacity Factor (Using DER Net) 32.6

• 51.9 _r

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23. Unit Forced Outage Rate 65.0 _ _.

6. 5 __ 6.7

24. Shutdowns Scheduled Over Next 6 Months (Type. Date.and Duratio cl'Eschi: ' -

u i  % .

25. If Shut Down At End Of Report Period. Estimated Date of Startupi' N/A _

26. Units In Test Status (Prior to Commercial Operation): ' Forecast Achieved  ;

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INITIAL CRITICALITY ,

5' i_ INITIAL ELECTRICITY

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COMMERCIAL OPERATION a .

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(4/77) 8211100261 800705 PDR ADOCK 05000250 ,

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UNU SHUTibWNS AND POWER REDUCTIONS ET O.

; ,L e Unit No.1

' -- DATE July 5. 1980 t.

s sJ COMitETED BY V. T. Chilson j ,/ REPORT MONTH JUNE. 1980 TELEPHONE ('tfM) 552-3824

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._E ' Licensee Event; p

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p Cause & Currective Action to T'ir

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Prevent Recurrence j ,, p -( '

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) ,9 - 80-06 .04' S - B 4 N/A ', , Hh PILTER' Load reduction to approximately 50%

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/ 1 R.P. to clean steant generator feed-l ,

g water pump No. IB auction strainer. ,

(Non-nuclear system) '

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9 80 U F 467.8 A 2 WB YALVOP Reactor was manually tripped when com-ponent cooling water to reactor cool-ant pump mechanical seals was lost

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and could not be immediately restored 1' , /

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due to closure of HCV-14-6. Correc- -

' tive actions included providing a

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t fs backup nitrogen supply to the dia-L phragm operated component cooling

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[P ' e ., , ,

water valves. Electrical conduit was 4

repaired to prevent entry of water.

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CB PUNPXX Outage was extended to inspect mechan--

- r ical seals on reactor coolant pumps, r

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Ff Forced Reason: Method: Exhibit G Instructions .

S: Scheduled A Equipment Failure (Explain) 1-Manual for Preparation of Data

B-Maintenance of Test - 2< Manual Scram. Entry Sheets for Licensee

? C-Refueling s. 3 Automatic Scram. Event Report (LER) File (NUREG-D-Regulatory Restriction 4 Oiher (Explain) 0161)

E-Operator Training & Ucense Examination

} F-Administrative 5

G-Operational Error (Explain) Exhibit 1 Same Source

] (9/77) , ll-Other(Explain) 1 4

. i AVERACE D,AILY UNIT POWER LEVEL

. DOCKET NO.

50 - 335

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St. Lucie i

UNIT Unit No. 1 s

• DATE July 5, 1980' COMPLETED BY V T- Oh41aon TELEPHONE (305) 552-3824 MONDI JUNE, 1980 DAY DAY AVERACE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL-(MWe-Neo (Mwe-Neo

793 - 37

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2 792 gg 3

790 g, --

4 741 - 20 5

685 21

6 786 22 7

789 3 g 790 24

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9' 709 25 - - - - -

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to 787 26

73 27

! g, 2s 13 29 30 164 14 e

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! 16 NOTE: . Average daily power level greater than 777 MHidue to cooler condenser cooling water.

j INSTRUCTIONS

! On this fonnat. list the average daily unit power levelin MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt. ,

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SUMMARY

OF OPERATING EXPERIENCE DOCKET NO. 50 - 335 St. Lucie UNIT Unit No. 1 DATE July 5, 1980 COMPLETED BY

'V. T. Chilson J

TELEPHONE ' (305) 552-3824 REPORT MONTH JUNE, 1980 Unit operated at approximately 100% R.P., until June 11, 1980, when the i unit was removed from service to repair mechanical seals on reactor coolant pumps, except for load reduction of June 4-5, 1980. Refer to c

" Unit Shutdowns and Power Reductions" section of the June, 1980, Operating Status Report for additilonal information.

Major Safety-related maintenance activities perforn.ed during.the month included:

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

• Florida Power & Light Company commitments for

• i NUREG-0578 implementation are continuing. Refer to correspondence between FPL and NRC for ad-ditional information.

Replaced mechanical seals on reactor coolant pump -Nos. lAl., lA2, 1B1, and 1B2.

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