ML20214W832
| ML20214W832 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 05/31/1987 |
| From: | Elms A, Scace S NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| MP-10453, NUDOCS 8706160204 | |
| Download: ML20214W832 (4) | |
Text
.
eeeeeee NRC OPERATI E STATUS REPORT COMPLETED BY REACTOR ENGINEERING n eeeee
- 1. 00CKET.... 50-423 OPERATING STATUS
- 2. REPORilNG PERIOD...May 1987 OUTAGE + ONLIE HOURS.. 98.9
+ 645.1 = 645.1
- 3. UTILITY CONTACT................. A. L. ELMS 203-444-5388 unennene
- 4. LICENSED THERMAL P0NER.........................................
3411
- MILLSTONE e
- 5. NAMEPLATE R ATI4 (6ROSS ME)................................... 1,253 M e UNIT 3 6
- 7. MAIIMUM DEPENDABLE CAPACITY (GROSS ME)........................
1197
- 8. MAI! MUM MPENDABLE CAPACITY (NET ME)...........................
1141.93 9.
IF CHANGES DCCUR A80 E SINCE LAST REPORT, REASONS ARE...........
N/A
- 10. PONER LEVEL TO NHICH RESTRICTED, IF ANY (ET MNE)...............N/A 11.REASONFORRESTRICTION,IFANY....N/A MONTH YEAR TO DATE CUMULATIVE TO DATE ESSES 383838833358 333333333333338888
- 12. HOURS IN REPORTING PER100 744.0 3623.1 9695.8
- 13. NUMBER OF HOURS THE REACTOR NAS CRITICAL 663.6 2834.5 8247.3
- 14. REACTOR RESERVE SHUTDOW HOURS 8.8 B.O 83.2
- 15. HOURS GEERATOR ONLINE 645.1 2751.3 8117.2
- 16. UNIT RESERVE SHUTDO W HOURS 5.8 9.8 8.0
- 17. GROSS THERMAL ENER6Y SENERATED (MH) 2007262.I 8941379.2 26681383.4
- 18. SROSS ELECTRICAL EER6Y BENERATED (M H) 693901.5 3092384.8 9225388.5
- 19. ET ELECTRICAL EER6Y GEERATED (MH) 658773.5 2942029.5 8803792.2 20.UNITSERVICEFACTOR 86.7 75.9 83.6
- 21. UNIT AVAILABILiiY FACTOR 86.7 75.9 83.6
- 22. UNIT CAPACITY FACTOR (USING MDC NET) 77.5 71.1 79.2
- 23. UNIT CAPACITY FACTOR (USING DER NET) 76.8 70.4 78.7
- 24. UNIT FDPCED OUTAGE RATE 13.3 6.3 II.I
- 25. UNIT FORCED OUTAGE HOURS 98.9 186.3 902.4 SHUTDOWS SCHEDULED QVER NEli S!! MONTHS (TYPE, DATE, AND DURAT10N OF EACH)..............
N/A IF CURRENTLY SHUTDO W, ESitMATED STARTUP DATE......N/A
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t 8706160204 870531 yDR ADOCK 05000423 PDR
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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
55-423 UNIT Millstone Unit 3 DATE 06-05-1987 COMPLETED BY A. L. Eul6 283-444-5388 MONTH MAY DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY' POWER LEVEL (MWE-NET)
(MWE-NET) 1 1.134 16 0
2 1.119 17 388 3
1.138 18 834 4
1.136 19 1.138 5
1.129 20 1.136 6
1.141 21 1.141 7
921 22 1.141 8
8 23 1.139 9
221 24 1.141 it 792 25 1.141 11 1.064 26 1.141 12 752 27 1.118 13 756 28 1.099 14 294 29 1.141 15 0
38 1.141 31 1.140
UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-423 UNIT Millstone Unit No. 3 DATE June 5, 1987 COMPLETED BY A. Elms TELEPHONE (203) 444-5388 REPORT MONTH May 1987 Method of Licensee Cause & Corrective Duration Shutting Event System Component Action to No.
Date Type (1)
(Hours)
Reason (2)
Down Reactor (3)
Report #
Code Code Prevent Recurrence 87-07 5/7/87 F
35.2 A
3 87-025-00 SJ P
Reactor trip due to low-low S/G level.
Low level due to S/G level pertubations caused by feedwater flow oscillations during a down power because of a motor driven feed pump problem.
The root cause was procedure inadequacy.
The corrective action was to change the procedure.
87-08 5/11/87 F
0 A
9 N/A SJ SEAL Down power due to recurring feedwater pump seal problem.
87-09 5/14/87 F
63.7 A
3 87-026-00 JC BKR Reactor trip due to the opening of the Train B Reactor Trip Breaker.
Action to prevent recurrence has not been established due to the spurious nature of the trip.
All systems associated with the trip were inspected, tested and proven to perform satisfactory.
l 1
2 3
4 F:
Forced Reason:
Method:
Exhibit G - Instructions 5:
Scheduled A - Equipment Failure (Explain) 1 - Manual for Preparation of Data B - Maintenance or Test 2 - Manual Scram Entry Sheets for C - Refueling 3 - Automatic Scram Licensed Event Report D - Regulatory Restriction 4 - Continued from (LER) File (NUREG-0161)
E - Operator Training & License previous month Examination 5 - Power Reduction 5 F - Administrative (Duration = 0)
Exhibit 1 - Same Source G - Operational Error (Explain) 9 - Other (Explain)
H - Other (Explain)
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HARTFORD, CONNECTICUT 06141-0270 L
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(([ [775[,",7, (203) 665-5000 June 10 1987 MP-10453 Re:
U. S. Nuclear Regulatory Commission Document Control Desk Washington, D. C. 20555
Reference:
Facility Operating License No. NPF-49 Docket No. 50-423
Dear Sir:
In accordance with reporting requirements of Technical Specifications Section 6.9.1.5, the Millstone Nuclear Power Station - Ur.it 3 Monthly Operating Report 87-06 covering operations for the month of May is hereby forwarded.
Yours truly, NORTHEAST NUCLEAR ENERGY COMPANY s
CtiCf -
St hen. Scace Station Superintendent Millstone Nuclear Power Station SES/AE:jlm Attachment cc:
Regional Administrator, Office of Inspection and Enforcement, Region I Director, Office of Inspection and Enforcement, Washington, D.C. (10)
Director, Office of Resource Management T. Shediosky, Sr. Resident Inspector M
4 th J