ML20059K748
| ML20059K748 | |
| Person / Time | |
|---|---|
| Site: | Maine Yankee |
| Issue date: | 08/31/1990 |
| From: | Hall S, Nichols S Maine Yankee |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| RTR-NUREG-0020, RTR-NUREG-20 MN-90-92, SEN-90-261, NUDOCS 9009240209 | |
| Download: ML20059K748 (7) | |
Text
n MaineYankee Li gKsiTilT6iiii5ifVTWdiiw~r57G51 Tiin
!k, EDISON DRfVE
- AUGUSTA MAINE 04336 * (207) 622 4868 i
r 1i September 11, 1990 MN-90-92 SEN-90-261 UNITED STATES NUCLEAR REGULATORY COMMISSION 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 b port
Subject:
-Maine Yankee Monthly Statistical Report - August Gentlemen:
Enclosed please find the Monthly Statistical Report for the Maine Yankee Atomic Power Station for August 1990. Also enclosed is a revised unit shutdown and power reduction sheet for July, 1990.. The revision.is indicted by a vertical bar in the right-hand margin.
Please contact me should you have further questions.
Very truly yours,.
SEschh S. E. Nichols Licensing Section Head SEN:SJJ Enclosure Mr.. Thomas T. Martin c:
Mr. Eric J. Leeds Mr. Charles S. Marschall 900924o209 900831 Ii PDR ADOCK 05000309i R
PNU L,
SEN90261.LTR
~2000
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M c> n t h 3 y Statistica3.
R es p o r t l~
l For August 1990 1~
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' OPERATING DATA REPORT Docket No.
50-309 Date:
07/Sep/90 Completed By:
S.
L. Hall Telephone:
207-622-4868
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1.
Unit Name............................
Maine Yankee 2.
R: porting Period.................................
Auoust 1990 c,3.1 Licensed Thermal Power (MWt)....................
2700 k.,4. Cimeplate Rat 1ng (Gross MWe)....................
890
- 5. - D: sign. Electrica?. P'ating (Net MWe)..............
840
-6.1M:ximum Dependable Capacity (Gross MWe)..........
870
- 7. Maximum Dependable Capacity (Net MWe)...........
830 i
<b'8. If Changes in Capacity Ratings (Itema Number 3-7)
Since Last Report, Give Reasons:
j
_NO CHANGES
'9. Power Level tr '4hich Restricted, if Any (Not MWe)-
'17.- R:asons for Restricti ons, if Anya' I
~
l THIS MONTH YEAR-TO-DATE CUMULATIVE ll.yH:ura In Reporting Period 744.00 5,831.00
-12.1Numbeefof. Hours Reactor
'aa' Critical...........
744.00-3,842.33 124.855.31 W
13.DR actor Reserve Shutdown
' Hours..................
0.00 0.00 0.00
- 14. Hours Generator On-line..
585.90__
3,612.20 121,284.63' e.15.EUnit. Reserve Shutdown-Hours..................
0.00 0.00' H0.00 p16.EGross Thermal Energy i
Generated-(MWH)........
1,414,733.00
__9,100,170.'00 281,312,771.00
'117-.-Gross Electrical Energy
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Generated (MWH)........
472,870.00 3.052.950.00
'92.317,160.00
't 118 7 Nit ElectricalLEnergy _
88,384,352.00
- Generated (MWH)........
457.145.00,__2,954.472.00-
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a 19.: Unit Cervice Factor......
78.75. __.
61.95 77.72 120.u-Unit Availabilty Factor..-
78 11_ __
61.95
-77.72-u
- 21.+ Unit Capacity' Factor
- (Using1 hDC. Net)........
74.03 61.05 71.15-J22.cUnit. Capacity Factor
-(Using DER Net)........
73.15 60.32 69.45 023., Unit Forced Outage Rate..
0.00 0.75 6.01 I
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, 24. Shutdowra Scheduled over Next 6 Months:
NONE 25.:.If' Shutdown at End of Report Period, Estimated Date cf Startup N/A q
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Docket No 50-309 s
rh Unit Name:
Maine Yankee
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q Date:
09-07-90 Completed By: S.
L.
Hall Telephone 207-622-4868
- C; port Month: August, 1990 NARRATIVE
SUMMARY
OF OPERATING EXPERIENCES On August ist, the unit was taken off line for a maintenance shutdown-to. repair the Exciter Oil Bearing Leak.
m-
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On-August'4th, the unit was phased to the grid.
On August 5th, the unit was held at 75% power to perform mussel control icnd Cire. Water Box cleaning.
l On' August-6th, the unit was at 100% power.
-On August 16th,'the' unit was-taken off.line for a maintenance shutdown i
L to, repair.a failed valve in the Reactor Purification System.
On August l19th,fthe unit was phased to the Drid.
-On August 20th, the unit was: held at 75% power to perform' mussel control' cnd Circ.- Water Box-cleaning.
1-:
On: August 23rd, the unit was at 100% power.
L At : the end of the month, the unit was at 1'00% power.
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a ENh5tAGE SAILY UNIT POWER LEVEL' L,7,s FOR> AUGUST 1990
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Docket No.s.
50-309
-Unit:
Maine Yankee Dates.
07/Sep/90-S.-L.
Hall Completed By:-
Telephone:
207-622-4868'
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JAvg.. Daily Power Level.
Day Avg.' Daily Power Level; (MWa-Net)-
- (MWe-Net)-
- '11 49-16
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- 22i
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. 2. -
0 17'
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O ',
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'18 0
L4:
41 19
-54:
a
- 5!
564 20 a
586 4
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6
, 6 ;-
863 21' 796.
3
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- t....................
867 22-
.'.........'.....'...l.
. 849L d
- : 3 :-
t.
r 8-870
,23 868 H
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867 24 c....i.........l......
871'-
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' 110 872 25 872' 4
- 11-868 26 j
873'*_~,
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il2i 870 27'
, 868 y
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,s a+5 M 13i 867
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............1...:.;..
-~ 8 6 6L 1
- t 114l E....................
845 29.'
!866 q
15:
4.......'...........
- 493, 30,
....-..........~.......
850.s.
g.:...................
- '862 i
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UNIT SHUTDOWNS AND POWER REDUCTIONS Docket No. :
50-309 FOR. AUGUST 1990 Unit Maine Yankee Date:
07/Sep/90 Completed Dyr S.
L.
Hall Telephone:
207-622-4058 Page 1 of 1 Number.
04-90-12 05-90-12 Date l
900801
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900816
]
Type (1) l l S
l S
.l Duration (Hours) 77.1 81 h
A g
A
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Reason (2) 1
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Method (3) p 1
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LER #
h N/A N/A h
i System Code (4)
HA CG N
Component I
Code (5)
GENERA-D VALVE-E i
The unit was taken The unit was taken u off line for a off line to repair Maintenance S/D a failed valve in to repair the the Reactor Cause and Exciter Oil i*1 cation Corrective Bearing Leak.
On Systa.
On August
. Action August 4th, the 23rd, t unit was unit was returned returned to 100%
to 100% power.
Power.
a.--
1.
TYPE:
2.
REASON: (cont) 4.
SYSTEM CODE :
(F)orced F-Administrative Exhibit G-Instructions (S)cheduled 0-Operational Error for Preparation of Data H-Other (Explain)
Entry Sheets for Licensee Event Report 2.
REASON A-Equipment Failure 3.
METHOD:
(LER) File (NUREG.0161)
D-Maintenance or Tent 1-Manual C-RefuelinD-2-Manual Scram 5.
COMPONENT CODE:
D-Regulatory Restriction 3-Automatic Scram Exhibit 1-Same source C-Operator Training &
4-Other (Explain) as above.
License Examination
UNIT SHUTDOWNS AND POWER REDUCTIONS D:ckot No.:
50-309 FOR JULY 1990 Unit:
Maino Ycnkoo Date:
10/Aug/90 Completed By:
S.
L. Hall Telephone:
207-622-4868 l
Page:
2 of 2 l
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Nu:bar L.R.
to 84.9%
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Dato 900731 l
Typ3 (1)
O S
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R Durction l
(Hours) 0 l
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A Roccon (2) h M thcd (3) l 4
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f LER #
N/A i
i Syctim Ccdo (4)
HA l
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i Cocp nont-I Cedo (5)
GENERA-D Power was reduced to 84.9% for the exciter seal ring outage.
The unit
.Couno and was at 84% at the Corrcctive end of the month.
Action l
i l
I 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 l.
A-Equipment Failure 3.
METHOD:
(LER) File (NUREG.0161)
B-Mnintenance or Test 1-Manual C-Rcfueling 2-Manual Scram
- 5. COMPONENT CODE:
D-R:gulatory Restriction 3-Automatic Scram Exhibit I-Same source l
E-Optrator Training &
4-Other (Explain) as above.
l.'
License Examination l
l
.