ML20077M204
| ML20077M204 | |
| Person / Time | |
|---|---|
| Site: | Cooper  |
| Issue date: | 07/31/1991 |
| From: | Kernes E, Meacham J NEBRASKA PUBLIC POWER DISTRICT |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| CNSS918759, NUDOCS 9108130225 | |
| Download: ML20077M204 (5) | |
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CNSS918759 August 6, 1991 Document Control Desk
'U.'S. Nuclear Regulatory Commission Washington, D.C.
20555-
Subject:
Monthly Operating Status Report for July 1991_ Docket No.- 50-298.
Centlemen:
Enclosed 'for your.information and use is the Cooper Nuclear _ Station Monthly _
p p.3 Opercting Status Report for July 1991. _ The -report includes Operating ' Status,
~
Average. Daily Unit Tower-1.evel, -Unit Shutdown Data and a Narrative Summary of Operating Experience.
=Should you have any comments, or_ require additional information'regarding_this-report,.please contact me.
Sincerely,
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. M.-Meacham -
l Division Manager of-
- - Nuclear _ Operations -
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Enclosures-n
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'G. D. Watson w/enclosurea R. D Martin w/ enclosures L.--
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9108130225 910731
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OPERATING DATA REPORT DOCKET NO,
()$0-Q298 UNIT _GNS DATE
. Au nu s t-6.1991_.
- OfERATING STATUS TELEP110NE (402) 825-5766 1.
Unit Name:
Coooer Nuclear Station Notes 8
Reporting Period:
J.uly 1991.._.
3 Ucensed Thermal Power (MWt):
2381 4.
Nameplate Rating (Gross MWe):
83L 5.
Design Electrical Rating (Net MWe):,,,JJ8 6.
Maximum Dependaba Copacity (Gross MWe):,]87 7.
. Maximum Dependable Capacity (Net MWe):
764 B.
if Changes Occur in Capacity Ratings (ttems Number 3 Throcgh 7) Since Last Report, Give Reasons:
g.
Power Level T) Which Rosancted, if Any (Not MWe):
10.
Reasons For Restriction,l' Any,_
This Month Yr.-to-Date Cumulative 11.
Houra in Geporting Period 744.0 5.087.0 149.760 0 i
12.
Number of Hours Reactor Was Critical 744.0 4.Q(fl.
114.558.1 l
'3.
Peactor Reserve Shutdown Hours 0.0 0.0 0.0 1
14.
Hours Generator On Une 7441.
4.926 7 112.067.7 15.
Unit Reserve Shutdown Hours 0.0
, QQ_
0.0 16, Gross inermal Energ,/ Generated (MWH) 1.654.344 0 11.355.720 0 2E947.844.0 1P.
Gross Electric Energy Generated (MWH) 538.269 0 3.777.602.0 741,87.012.0
- 18, Net Electric Er. orgy Generated (MWH) 521.060.0 3.662.118.0 71.788.698.0 Ig.
Unit Service Factor 100.0 96 8 75.4 80.
Unit Availability Factor 100.0 -
96.8 75.4 21.
' Unit Capacity Factor (using MDC Net) 91 7 94.2 62.7 82.
Unit Capacity Factor (Using DER Net) 90.0 92.5,
61.6 83.
Unit Forced Outage Rate 00 0.0 4.6 84.
Shutdown Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
Refuelina and Maintenance Outaae 14. scheduled October 1991. 8 weeks.gration.
1 25 If Shut Down At End of Report Period, Estimated Date of Startup-N/A 1
t '
es.
Units in Test Status (Prior to Commercial Operation):
Forecast Achieved INITIAL CRITICAUTY INITIAL E'.ECTRICTTY COVMERG.AL OPERATION i
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- AVERAC3 DAILY UNIT POWER LEVEL DOCKET NO.
050-0298 UNIT CNS DATE Aucust 6, 1991 TELEPHONE
_Jf02).825-5766 MONTH JulV 1991_
DAY AVERAC "AILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL i kv. e-Ne t)
(MWe-Nat) 1 735 17 732 3-729 18 728 3
729 19 722
- 4 730 20 7J_8
.5L 712 21 714 16 541 22 716 7
638' 23 710 8 =-
___7 31 -
24 693
.9~
755 25 707
' 10' 758 26 701
- 11.-
757 27-703
.12' 753 28-703
'13, 750 29 697 7
14.
747 30 639 15 743 31 272
- 16 738 I'NSTRUCTIONS
-On'this format, list tha average daily unit power level in MWe-Net for each
, day in the reporting month.
Compute to the nearest whole megawatt.
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UNITSHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
0504T/98 2
UNIT NAME CooperNuclearStalign
- DATE-Amaust 7.1991 '
COMPLETED BY ' E. A. Kernes TELEPHONE.
- (4021825-5766 REPORT MONTH July 1991 Method Of Ucensee S..
Cause & Corrective -
Duration Snutthg Event System
- Ccmponent Actiento '
3 No.
Date Type.
(Hours)
' Reason 2 1
Down Reactor.'
Report Code Code Prevent Recurrence 9143 7-6-91 S
0 F
5
.N/A N/A N/A Intentional power reduction to periorm schedded testing and controtrod withdrawal 9144 73491 F
0 D
5 LER 91-007 LER not available at time of repor*
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1 F: Forced 2
Reason:
3 Method-4 Exhu O - Instructionsfor S: Scheduled A-Eruipment Failure (Exphin) 1 - Manual Preparation of Data Entry B - Laintenance e Test 2 - Manual Scram Sheets for Ucensee Event C-Refueling 3-AutomaticFeram Report (LER) File (NUREG4161)
D-Regulatory Restriction 4 - Contnued l
E - Operator Training & License Examination 5 - Reduced Load 5 ExhNI-Same Source i
F-Administrative 6 - Other G - Operational Ltor (Explah)
H - Other (Explain)
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LOPERATIONSLNARRATIVE COOPER NUCLEAR STATION
-JULY 1991 1
1 MAXIMl'M' POWER OPEkATION WAS EXPERIENCED FOR THE CONTRO L
RODLCONFIGURATION IN EARLY' JULY.
A SIGNIFICANT POWER REDUCTION WAS UNDERGONE JULY-5-6 TO PERFORM ROUTINE i
-TESTING PROCEDURES"AND TO WITHDRAW CONTROL RODS, ALL-RODS OUT WAS ACHIEVED JULY 6. : FULL-POWER WAS ACHIEVED JULY 8.-
END-OF-CYCLE COASTDOWN BEGAN' JULY 12 AND MAXIMUM POWER'0PERATION CONTINUED UNTIL JULY 30.
POWER
- WAS: REDUCED TO APPROXIMATELY-25% GN JULY 30-31~DUE TO DIESEL 1 GENERATOR OPERABILITY CONCERNS.- RETURN TO MAXIMUM-POWER OPERATION BEGAN ON JULY-31.
A CAPACITY FACTOR-OF 91.7% WAS ACHIEVED FOR THE MONTH OF1 JULY.
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