ML20036B255

From kanterella
Jump to navigation Jump to search
Monthly Operating Rept for Apr 1993 for Maine Yankee Atomic Power Station
ML20036B255
Person / Time
Site: Maine Yankee
Issue date: 04/30/1993
From: Stewart Bailey, Hebert J
Maine Yankee
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
JRH-93-85, MN-93-43, NUDOCS 9305180382
Download: ML20036B255 (5)


Text

.

MaineYankee

~

EiELI ABLE E L ECTRICIT Y SINCE 1972 I

ED! SON DRIVE

  • AUGUSTA, MAINE 04330 + (207) 622 4868

.i i

l May 7, 1993 1

MN-93-43 JRH-93-85

-l l

l UiilTED STATES NUCLEAR REGULATORY COMMISSION i

Attention: Document Control Desk i

Washington, DC 20555

References:

(r.)

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

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

Subject:

Maine Yankee Monthly Statistical Report - April 1993 j

Gentlemen:

Enclosed please find the Monthly Statistical Report for the Maine Yankee Atomic i

Power Station for April 1993.

Please contact me should you have any further questions.

l Very truly yours, i

M ames R. Hebert, Manager Licensing & Engineering Support Department 4

SJB/ jag Enclosure c:

Mr. Thomas T. Martin i

Mr. Charles S. Marschall Mr. E. H. Trottier i

Mr. Patrick J. Dostie i

I i

I l

I ll r

9305180382 930430 i

r PDR ADOCK 05000309

"==

R PDR

OPERATING DATA REPORT Docket Co.:

50-309 Date:

10/May/93 Completed By:

S.

J.

BAILEY Telephone:

207-622-4868

1. Unit Name.......................................

Maine Yankee

2. Reporting Period................................

April 1993

3. Licensed Thermal Power (MWt)....................

2700 4.

Nameplate Rating (Gross MWe)....................

920 5.

Design Electrical Rating (Net MWe)..............

870 6.

Maximum Dependable Capacity (Gross MWe).........

900

7. Haximum Dependable Capacity (Net MWe)...........

860 8.

If Changes in Capacity Ratings (Items Number 3-7)

Since Last Report, Give Reasons:

NO CHANGES 9.

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

10. Reasons for Restrictions, if Any:

THIS HONTH YEAR-TO-DATE CUMULATIVE

~

11. Hours In Reporting Period 719.00 2.879.00
12. Number of Hours Reactor Was Critical...........

719.00 2.816.30 144,581.51

13. Reactor Reserve Shutdown Hours..................

0.00 0.00 0.00

14. Hours Generator On-line..

719.00 2,769.10 140,399.13

15. Unit Reserve Shutdown Hours..................

0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH)........

1.931,284.00 7,334,896.00 330,487,819.00

17. Gross Electrical Energy Generated (HNH)........

650,640.00 2,464,580.00 108,762,040.00

18. Net Electrical Energy Generated (MNH)........

631.079.00 2,388,481.00 104.300,453.00

19. Unit Service Factor......

100.00 96.18 78.26

20. Unit Availabilty Factor..

100.00 96.18 78.26

21. Unit Capacity Factor (Using MDC Net)........

102.06 96.47 72.34

22. Unit Capacity Factor (Using DER Net)........

100.89 95.36 70.74

23. Unit Forced Outage Rate..

0.00 3.82 7.40

24. Shutdowns Scheduled Over Next 6 Honths:

Date Type Duration 7/31/93 Refueling 8 weeks

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

N/A

~

..3

.. ~.

o 4

i Docket No 50-399 Unit Name Maine Yankee Date:

05-06-93 Completed By:

S.J.

Bailey l

Telephone:

207-622-4868 Report Month: April, 1993 I

b NARRATIVE

SUMMARY

OF OPERATING EXPERIENCES I

At the beginning of the month, the unit was operating at 100% power.

j Change from Eastern Savings Time to Daylight Savings Time occurred on April 4, 1993.

]

On April 9, 1993, the einit was reduced to 75% to install service. water pump P-29C.

Turbine valve testing was performed.

All condenser j

waterboxes were *aackwashed.

- t On April 10, 1993, the unit reached 1901 Power and remained there-for i

the rest of the month.

j i

h i

i

{

sl t

' t i

1

~

LAVERAGE DAILY UNIT POWER LEVEL FOR APRIL 1993 f

Docket No.:

58-399 I

i Unita Maine Yankee i

Date:

04/May/93 i

Completed By:

S.

J. BAILEY Telephones 297-622-4868 b

i l

Day Avg. Daily Power Level Day Avg. Daily Power Level (HWe-Net)

(NWe-Net) r 1

882 16 882 i

2 881 17 883

-f 3

883 18 885 4

883 19 883 r

f i

5 884 20 882 i

6 883 21 884 j

[

7 882 22 882 i

t, 8

883 23 884

[

t 9

728 24 882 l

10 880 25 885 i

11 884 26 883 12 883 27 884 6

13 881 28 883 v

i 14 882 29 885 I

I 15 885 30 883 t

l I

n L

L L

i s

UNIT SHUTDOWNS AND POWER REDUCTIONS Docket No.:

50-309 FOR APRIL 1993 Unit Maine Yankee Date:

10/May/93 Completed By:

S.

J.

BAILEY i

Telephone:

207-622-4868 Page:

1 of 1 t

l Nu3ber L.R.

to 75%

Date l

930409 Type (1) i S

Duration (Hours) 26.4 Reason (2) l B

l l

Method (3) l 4

l LER 8

)

N/A l

l System Code (4)

WA Conponent l

Code (5)

PUMPXX-B On April 9, unit was reduced to 751 i

to install service i

water pump P-29C.

Cause and Turbine valve l

Corrective testing was per-Action formed. All con-denser waterboxes were backwashed.

The unit reached 1001 April 10.

1 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.

METHOD:

(LER) File (NUREG.0161)

B-Haintenance or Test 1-Manual C-Refueling 2-Manual Scram 5.

COMP'ONENT CODE:

D-Regulatory Restriction 3-Automatic Scram Exhibit I-Same source E-Operator Training &

4-Other (Explain) as above.

License Examination i

\\