ML20127E482

Monthly Operating Rept for Dec 1992 for Myaps

ML20127E482
Person / Time
Site:	Maine Yankee
Issue date:	12/31/1992
From:	Stewart Bailey, Hebert J Maine Yankee
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
JRH-93-12, MN-93-06, MN-93-6, NUDOCS 9301190334
Download: ML20127E482 (6)

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1 AaineYankee

$ECN[Ill[lCib!CllOENDOEN {

EDISON DR!VE

• AUGUSTA MAINE 04330 + (?O7) 622-4868 January 14, 1993 MN-93-06 JRH-93-12 UNITED STATES NUCLEAR REGULATORY COMMISSION Attention: Document Control Desk Washington, DC 20555

References:

(a) License No.'DPR-36 (Docket No. 50-309)

(b) NVREG-0020, Licensed Operating Reactor Status Summary Report i

Subject:

Maine Yankee Monthly Statistical Report - December 1992 Gentlemen:

Enclosed please find the Monthly Statistical Report for the Maine Yankee Atomic Power Station for December 1992. Please contact me should you have any further questions.

Very truly yours, James R. Hebert.-Manager Licensing-& Engineering Support Department SJB/ jag Enclosure c: Mr. Thomas T. Martin Mr. Charles S. Marschall hr. E. H. Trottier Mr. Patrick J. Dostie 190142 LM *\m* - 9301190334'921231-PDR ADOCK 05000309-

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Monthly Statistical Report I f 1

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.0PERATING DATA REPORT Docket No.: 50-309 l Date: 12/Jan/93 I

Completed By: S. J. BAILEY Telephones 207-622-4868

! 1. Unit Name....................................... Maine Yankee

2. Reporting Period................................ December 1992

3. Licensed Thermal Power (HWL).................... 2700

4. Nameplate Rating (Gross HWe).................... 920 l S. Design Electrical Rating (Net HWe).............. 870 l

6. Haximum Dependable capacity (Gross HWe)......... 900 1

7. Haximum Dependable Capacity (Net HWe)........... 860 -

8. If Changes in capacity Ratings (Items Number 3-7)

Since Last Report, Give Reasons

-l NO CHANGES

9. Power Level to Which Restricted, if Any (Net HWe)

10. Reasons for Restrictions, if Any:

THIS-HONTH YEAR-TO-DATE CUHULATIVE i 11. Hours In Reporting Period 744.00 8.784.00

12. Number of Hours Reactor Was Critical........... 744.00 6.950.90 141.765.21

13. Reactor Reserve Shutdown Hours.................. 0.00 e.ee 0.00

14. Hours Generator on-line.. 643.90 6.628.40 137.630.03

15. Unit Reserve Shutdown Hours.................. e.00 0.00 0.00

16. Gross Thermal Energy Generated (HWH)........ 1.691.168.00_ 162 520.197.e0__ 323.152.923.00

17. Gross Electrical Energy Generated (HWH)........ 568.500.00 5.548.540.00_ 106.297.460.00

18. Het Electrical Energy Generated (HWH)........ 550.830.00 5.357.999.00 101.911.972.00

19. Unit Service Factor...... 86.55 75.46 77.97

20. Unit Availabilty Factor.. 86.55 75.46 77.97

21. Unit Capacity Factor (Using HDC Net)........ 85.09 70.93 71.95

22. Unit Capacity Factor (Using DER Net)........ 85.10 70.11 70.34

23. Unit Forced Outage Rate.. 13.45 8.29 7.46

24. Shutdowns Scheduled over Next 6 Honths _NONE

25. If Shutdown at End of Report Period, Estimated Date of Startup: N/A

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• Docket Won 59-399 l* .

Unit Names Dates Maine Yankee e11293 '

l j Completed By: S.J. Bailey d

Telephones 297-622-4868 j Report Months December, 1992 3

s NARRATIVE

SUMMARY

OF OPERATING EXPERIENCES

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At the beginning of the month, the unit was operating at 1994 power.

4 i On December 5, the unit was reduced to 75% to perform mussel control of condenser waterboxes. Waterbox "D" tubasheet cleaned.

On December 6, the unit was returned to leet power.

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l On December le, the unit was manually shutdown-to replace a leaking i pipe on "B" Hoisture Separator Reheater drain.line.

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[ On December 14, the unit phased on-line.

t On December 15, the unit was returned to lee %-power.

} On_ December 19, the unit was reduced to 80% for backwashing of "D" l condenser waterbox. A, B, & C waterboxes also backwashed.

j On December 19, the unit was returned to leet power and remained there

for the rest of the month. ,

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4 AVERAGE DAILY UNIT PONER LEVEL i FOR DECEMBER 1992 i Docket No.: 50-309 i Unite Haine Yankee 4

Date: 12/Jan/93 i Completed By: 8. J. BAILEY 1

Telephone: 207-622-4868 1

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1 1 Day Avg. Daily Power Level Day Avg. Daily Power Level (HWe-Net) (HWe-Net) 1 .................... 881 16 . . . . . . .............. 882 1,

j 2 .................... 883 17 . . . . . . .............. 884 a

4 j 3 .................... 882 18 . . . . . . .............. 883 i

e 4 .................... 885 19 . . . . . . .............. 793

5 .................... 699 20 . . . . . . .............. 883 i

i i 6 .................... 870 21 - . . . . . . .............. 884 I 7 .................... 882 22 . . . . . . .............. 882 i

j 8 .................... 884 23 . . . . . . .............. 882

9 .................... 882 24 . . . . . . .............. 884 le .................... 556 25 . . . . . . .............. 882 4

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11 .................... 0 26 . . . . . . .............. 883 i

12 .................... 0 27 . . . . . . .............. 882 4

4 l 13 .................... 0 28 . . . . . . .............. 881 1

14 .................... 9 29 . . . . . . .............. 884 15 .................... 606 30 . . . . . . .............. 884 31 . . . . . . .............. 882 s

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, ,UMIT SHUTDONNS AND PONER REDUCTIONS Docket No.: S3-339

• FOR DECEHBER 1992 Unit Heine Yenkoo Date: 15/Jan/93

. Completed By: S. J. BAILEY Telephone 207-622-4868 Page: 1 oi 1 Nunber L.R. to 75% 06-92-13 L.R. to 80%

Dato 921205 l 921210 921219 Type (1) S F i F Durotion (Hours) 0 100.1 0 Roccon (2) B l A L B

Hathod (3) l 1 1 1 LER 8 , N/A N/A L N/A System l Code (4) HP HJ HF Cocponent Code (5) HTEXCH-D PIPEXX-B HTEXCH-D Power was reduced on Dec. 10, the Power was reduced to 75% to perform unit was manually to 80% to backwash mussel control of shutdown to re- "D" condenser condenser water- place leaking pipe waterbox. A, B&

Cauce and boxes. Waterbox on "B" Holsture C waterboxes also Corrective "D" tubesheet Separator Reheater backwashed. The Action cleaned. The unit drain line. The unit was returned was returned to unit was phased on to 1901 power on 100% power on line Dec. 14 and December 19.

December 6. returned to 100%

power Dec. 15.

1. TYPE: 2. REASON: (cont) 4. SYSTEM CODE:

(F)orced F-Administrative Exhibit G-Instructions (S)cheduled G-Operational Error for Preparation of Data H-Other (Explain) Entry Sheets for

2. REASON Licensee Event Report A-Equipment Failure 3. HETHOD: (LER) File (NUREG.0161)

B-Haintenance or Test 1-Manual C-Refueling 2-Hanual Scram 5. COMPONENT CODE:

D-Regulatory Restriction 3-Automatic Scram Exhibit I-Same source E-Operator Training & 4-Other (Explain) as above.

License Examination