ML20134N504
| ML20134N504 | |
| Person / Time | |
|---|---|
| Site: | Maine Yankee |
| Issue date: | 10/31/1996 |
| From: | Stewart Bailey, Hebert J Maine Yankee |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| RTR-NUREG-0020, RTR-NUREG-20 JRH-96-254, MN-96-168, NUDOCS 9611270008 | |
| Download: ML20134N504 (5) | |
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i MaineYankee RELI ABLE ELEC TRICITY SINCE 1972 329 BATH ROAD + BRUNSWICK. MAINE 04011 + (207) 798-4100 l
,i-y.. s, m i
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November 19,1996 MN-96-168 JRH-96-254 1
UNITED STATES NUCLEAR REGULATORY COMMISSION Attention: Document Control Desk Washington, DC 20555 l
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 - October 1996 Gentlemen:
Enclosed please find the October 1996 Monthly Statistical Report for Maine Yankee.
If you have any questions, please do not hesitate to contact me.
l l
Very truly yours, i
C%99 James R. Hebert, Manager Licensing & Engineering Support Department SJB l
l Enclosures l
i c:
Mr. Hubert Miller Mr. J. T. Yerokun Mr. Daniel H. Dorman r
Mr. Patrick J. Dostie Ll f
Mr. Uldis Vanags J
g 9611270008 961031 PDR ADOCK 05000309 R
... -. _ -. ~ ~ -..
s e.
l v
i OPERATING DATA REPORT Docket No.:
50-399 Date:
19/Nov/96 Completed By:
S.
J.
BAILEY l
Telephone:
297-798-4241 i
i
- 1. Unit Name.......................................
Maine Yankee
- 2. Reporting Period................................
October 1996
- 3. Licensed Thermal Power (NWt)....................
2799
- 4. Nameplate Rating (Gross NWe)....................
929 i
- 5. Design Electrical Rating (Net NWe)..............
879 i
i
- 6. Maximus Dependable Capacity (Gross MWe).........
999 j
- 7. Maximum Dependable capacity (Net NWe)...........
869
- 8. If Changes in capacity Ratings (Items Number 3-7)
Since Last Report, Give Reasons:
l MO CHANGES i
i l
- 9. Power Level to Which Restricted, if Any (Net NWe) 795 i
1@. Reasons for Restrictions, if Any:
l lBy MRC Confirmatory Order dated Jan.
3.
1996. Maine Yankee is restricted to 2449 MWt. A new computer code for Small Break LOCA j
-is beina evaluated at Maine Yankee to allow operation to 27ttMWt l
{
THIS MONTH YEAR-TO-DATE CUMULATIVE I
k'
- 11. Hours In Reporting Period 745.99 7.329.99 i
'12. Number of Hours Reactor l
Was Critical...........
666.76 6.922.98 163.969.79 4
- 13. Reactor Reserve Shutdown i.
Hours..................
9.99 9.99 9.99
{
- 14. Hours Generator On-line..
669.66 5.724.35_
158.178.99
}
- 15. Unit Reserve Shutdown i
Hours..................
9.99 9.99 9.99 l
- 16. Gross Thermal Energy j
Generated (MWh),.......
1.586.334.99 13.638.997.99 375.582.188.99 1
- 17. Gross Electrical Inergy i
Generated (MWH)........
533.682.99 4.599.986.99 123.888.982.99 3
- 18. Net Electrical Energy i
Generated (MWH)........
515.285.99 4.493.139.99 118.884.538.09 l
- 19. Unit Service Factor......
88.68 78.29 75.27
- 23. Unit Availabilty Factor..
88.68 78.29 75.27
- 21. Unit Capacity Factor (Using MDC Net)........
89.43 69.94 69.84
- 22. Unit capacity Factor (Using DER Net)........
79.59 69.14 68.38
- 23. Unit Forced. Outage Rate..
11.32 17.45 8.17
- 24. Shutdowns Scheduled Over Next 6 Months:
NOME
- 25. If Shutdown at End of Report Period, Estimated Date of Startup:
N/A
3 4
y 1
AVERAGE DAILY UNIT POWER LEVEL FOR OCTOBER 199G 4
4 Docket No.:
50-309 3
Unit:
Maine Yankee s
Dates 19/Nov/96 Completed By:
.S. J.
BAILEY f
Telephone:
267-798-4241 DDy Avg. Daily Power Level Day Avg. Daily Power Level (NWe-Net)
(HWe-Net) 1 790 16 791
)
2 789 17 796 3
793 18 793 4
793 19 791
)
5 792 20 796 6
792 793 21 7
792 22 796 8
794 23 794 9
324 24 794 10 0
25 795 11 0
26 794 12 9
27 795 13 514 28 794 14 794 29 762 15 797 30 790 31 792
=_.
1 v
Docket No:
50-309 Unit Name Maine Yankee Date:
11-13-96 3
Completed By:
S.J.
Bailey i
4 Telephone:
207-798-4241 i
i Report Month October, 1996 MARRATIVE
SUMMARY
OF OPERATING EXPERIENCES The unit operated at 2440 MWTh until October 9 when a trip occurred from a reactor protective system malfunction.
The unit came on-line October 12, and returned to 2440 MWTh on October 16.
On October 29, power was reduced to 80% to backwash condenser waterboxes A, B, C & D.
The unit returned to 2440 MWTh on October 30 4
where it remained the rest of the month.
i
~
- l. *
.yc l-UNIT SHUTDOWNS AND POWER REDUCTIONS Docket No.:
50-309 j-FOR OCTOBER 1996 Unit:
Maine Yankee
{
Date:
20/Nov/96 l
Completed By:
S.
J.
BAILEY i
Telephone:
207-798-4241 Page:
1 of 1 l
4 l
]
Number L.R.
to 98.3%
05-96-15 L.R.
to 80%
l Date ll 969124 ll.
961999 ll 961929 l
Type (1) l l F
ll F
p F
l Duration U
{
-(Hours) 9 84'.3 9
)
ll Reason (2) p.
D ll A
H B
i
{
Mathod (3) ll 4
! l 3
l 4
l l
LER #
ll N/A h
96-031 h
N/A e
l System.
Code (4).
ZZ IA HF f
Component i
j.
Code-(5)
ZZZZZZZZ CKTBRK-A HTEICH-D i
By NRC Confirma-Plant trip from Power reduction to
]
tory Order, Maine a reactor pro-backwash Yankee is tective system condenser restricted to malfunction.
waterboxes A, B,
{
Cause and 2440 MWTh until a Phased on-line C & D.
Returned J
j Corrective new computer code October 12 and to 2440 MWTh on i
Action is evaluated to returned to 2440 October 39.
{
allow operation at' MWTh October 16.
2700 MWTh.
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) i B-Maintenance 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