ML20128Q043

Monthly Operating Rept for Sept 1996 for Maine Yankee

ML20128Q043
Person / Time
Site:	Maine Yankee
Issue date:	09/30/1996
From:	Stewart Bailey, Hebert J Maine Yankee
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
JRH-96-227, MN-96-152, NUDOCS 9610180206
Download: ML20128Q043 (6)

Text

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'I.

MaineYankee RELIABLE ELECTRICtTY SINCE 1972 329 BATH ROAD e BRUNSWICK, MAINE 04011 + (207) 798-4100 October 9,1996 MN-96-152 JRH-96-227 4

UNITED STATES NUCLEAR REGULATORY COMMISSION i

Attention: Document Control Desk Washington, DC 20555

References:

(a)

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

(b)

NUREG 0020, Licensed Operating Reactor Status Summary Report l

Subject:

Maine Yankee Monthly Statistical Report - September 1996 i

Gentlemen:

Enclos'ed please find the September 1996 Monthly Statistical Report for Maine Yankee.

If you have any questions, please do not hesitate to contact me.

Very truly yours, M

hames R. Hebert, Manager Licensing & Engineering Support Department SJB Enclosures y'/

c:

Mr. Hubert Miller Mr. J. T. Yerokun Mr. Daniel H. Dorman

, Mr. Patrick J. Dostie Mr. Uldis Vanags 9610180206 960930 PDR ADOCK 05000309 g

PDR 180034 N:\\TRA"SFER\\MSR.LTR

i.

OPERATING DATA REPORT Docket No.:

50-309 Date:

08/Oct/96 Completed By:

S.

J.

BAILEY Telephone:

207-798-4241 1.

Unit Name.......................................

Maine Yankee

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

September 1996

3. Licensed Thermal Power (HWt)....................

2700

4. Nameplate Rating (Gross NWe)....................

920 j

5.

Design Electrical Rating (Net NWe)..............

870 i

6. Maximum Dependable Capacity (Gross HWe).........

900 I

7. Maximum Dependable Capacity (Net NWe)...........

860

8. If Changes in capacity Ratings (Items Number 3-7) l Since Last Report, Give Reasons:

NO CHANGES l,

9. Power Level to Which Restricted, if Any (Net NWe) 795

10. Reasons for Restrictions, if Any:

By NRC Confirmatory Order dated Jan.

3.

1996. Maine Yankee is i

restricted to 2440 MWt. A new computer code for Small Break LOCA j

is beino evaluated at Maine Yankee to allow operation to 2700HWt l

7 THIS HONTH YEAR-TO-DATE CUMULATIVE

11. Hours In Reporting Period 720.00 6.575.00

12. Number of Hours Reactor Was Critical...........

696.40 5,356.22 162,394.03

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

0.00 0.00 0.00 1

14. Hours Generator On-line..

679.75 5,063.69 157.518.24

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

0.00 0.00 0.00

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

1,607,831.00 12,051,763.00 373,995.854.00

17. Gross Electrical Energy i

Generated (MNH)........

536.741.00 4.065,404.00 123.354.400.00 j

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

517,998.00 3,887,854.00 118,369.253.00

19. Unit Service Factor......

94.41 77.01 75.22

20. Unit Availabilty Factor..

94.41 77.01

,75.22 l

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

83.66 68.76 69.G2_

22. Unit Capacity Factor

)

(Using DER Net)........

82.69 67.97 68.34,

23. Unit Forced Outage Rate..

5.60 18.19 8.16, a

24. Shutdowns Scheduled Over Next 6 Honths:

NONE

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

N/A

I I

Docket No:

50-309 Unit Names Maine Yankee Date:

10/08/96 Completed By:

S.J.

BAILEY Telephone:

207-798-4241 Report Months September, 1996 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCES At the beginning of the month, the unit was off-line to install safety relief valves on containment penetration component cooling lines.

The outage was extended due to control problem with the steam driven auxiliary feed pump P-25B and P-14A's SIAS relay wire was found missing.

Additional safeguard logic testing was also completed.

The unit came on-line September 2 and returned to 2440 HWTh on September 3.

On September 7, power was reduced to 871 to troubleshoot bearing water flow problems on circulating water pump P-26D.

The unit returned to 2440 MWTh on September 8.

On September 10, power was reduced to 80% to replace circulating water pump P-26D.

where it remained the rest of the month.The unit returned to 2440 MWTh on September 16,

UNIT SHUTDOWNS AND POWER REDUCTIONS Docket No.:

50-309 FOR SEPTEMBER 1996 Unit:

Maine Yankee Date:

10/Oct/96 Completed By:

S.

J.

BAILEY Telephone:

207-798-4241 Pages 1 of 2 i

Number L.R.

to 90.3%

04-96-15 L.R.

to 87%

Date H

960124 j

960720 h

960907 4

Type (1)

H F

F j

F Duration (Hours) 0 40.3 0

Reason (2)

D

{

H

[

B Method (3) l 4

h 2

g 4

4 LER #

l N/A l

9C-022 H

N/A 1

System Code (4)

ZZ WB HF 4

component Code (5)

ZZZZZZZZ VALVE-FB PUMPII-B By NRC Confirma-Offline to install Power reduction to tory Order, Maine safety relief val-troubleshoot Yankee is ves; control prob-bearing water flow restricted to lem with feed pump problem on Cause and 2440 HWTh until a P-25B; P-14A's circulating water I

Corrective new computer code SIAS relay wire pump P-26D.

Action is evaluated to missing; addt'l Returned to 2440 allow operation at safeguard logic HWTh on 9/8/96.

2700 HWTh.

testing completed.

1 Phased main generator on 9/2.

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 j

2.

REASON Licensee Event Report k

A-Equipment Failure 3.

HETHOD:

(LER) File (NUREG.0161)

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

COMPONENT CODE:

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

4-Other (Explain) as above.

License Examination

UNIT SHUTDOWNS AND POWER REDUCTIONS Docket No.:

50-309

• FOR SEPTEMBER 1996 Unit Maine Yankee Date:

10/Oct/96 Completed By:

S.

J.

BAILEY Telephone:

207-798-4241 Page:

2 of 2 1

Number L.R.

to 80%

4 Date

[

960910 h

Type (1)

[

F L

p Duration (Hours) 0 Raason (2)

B h

Hathod (3) p 4

q q

LER #

l N/A H

l System Code (4)

HF Component Ccde (5)

PUMPII-B l Power reduction to replace circu-e lating water pump P-26D. Returned Ccuse and to 2440 HNTh on l

Corrective 9/16/96.

[

Action j

i 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.

HETHOD:

(LER) File (NUREG.0161)

B-Haintenance or Test 1-Hanual 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

z.

.~

4 4

' AVERAGE DAILY UNIT POWER LEVEL FOR SEPTEMBER 1996 Docket No.:

50-309 Unita Maine Yankee Date:

98/Oct/96 Completed By:

S.

J.

BAILEY o

l Telephone:

207-798-4241 i

Dcy Avg. Daily Power Level Day Avg. Daily Power Level, (MWe-Net)

(MWe-Net) i 1

0 16 726 1

2 88 17 795 3

688 18 793 4

787 19 794 i

5 793 20 794 e

}

6 792 21 794 7

792 22 794 8

789 23 794 9

794 24 793 10 759 25 794 11 691 26 793 12 692 27 795 13 692 28 791 14 694 29 790 15 698 30 796

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