ML20214K027

Monthly Operating Rept for May 1986

ML20214K027
Person / Time
Site:	Millstone
Issue date:	05/31/1986
From:	Elms A, Romberg W NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
MP-9157, NUDOCS 8608150291
Download: ML20214K027 (4)

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sunu NRC OPERATIN6 STATUS REPORT COMPLETED BY REACTOR ENGINEERINS tetette

1. DOCKET.... 50-423 OPERATIN6 STATUS I

2. REPORTING PERIOD...MAY -1986 0UTAGE + ONLINE HOURS.. 92

+ 652

= 744

3. UTILITY CONTACT.................A. L. ELMS 203-444-5398 nuenenen

4. LICENSED THERMAL P0WER.........................................

3411 6 MILLSTONE *

5. W AMEPLATE R ATIN6 (GROSS MWE)................................... 1,253 M e UNIT 3 5

65 I

6. DESIGN ELECTRICAL RATINB (NET ME)..............................

1153.61 uH4HeH6u

7. MAI! MUM DEPENDABLE CAPACITY (GROSS MEl........................

1197

8. MAllMUM DEPENDABLE CAPACITY (NET M E)...........................

1149.35 l

9.

IF CHANGES OCCUR ABOVE SINCE LAST REPORT, REASONS ARE...........

N/A

10. POWER LEVEL TO NHICH RESTRICTED, IF ANY (NET ME)...............N/A

11. REASON FOR RESTRICTION, IF ANY....N/A MONTH YEAR TO DATE CUMULATIVE TO DATE 33333 333333333333 333333333333333333

12. HOURS IN REPORTING PERIOD 744.0 935.0 935.0

13. NUMBER OF HOURS THE REACTOR NAS CRITICAL 660.8 840.3 B40.3

14. REACTOR RESERVE SHUIDOWN HOURS 83.2 83.2 83.2

15. HOUR 3 GENERATOR ONLINE 652.0 824.2 824.2 i

16. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0 f

17. GROSS THERMAL ENERGY 6ENERATED (HH) 2136399.2 2669229.3 2669229.3 18, 6ROSS ELECTRICAL ENER6Y 6ENERATED (H H) 742518.0 927709.5 927709.5

19. NET ELECTRICAL ENERGY GENERATED (MH) 708355.3 884412.3 884442.3 l

20. UNIT SERVICE FACTOR B7.6 88.1 88.1 l

21. UNIT AVAILABILITY FACTOR 87.6 88.1 69.1 l

22. UNIT CAFACITY FACTOR (USING MDC NET) 82.8 82.3 82.3

23. UNIT CAPACITY FACTOR (USING DER NET) 82.5 82.0 82.0 l

24. UNIT FORCED OUTAGE RATE 12.4 11.9 11.9

25. UNIT FORCED OUTAGE HOURS 92.0 110.8 110.8 SHUTDOWNS SCHEDULED CVER NEIT SII MONTHS (TYPE, DATE, AND DURAT10N OF EACH)..............

N/A IF CURRENTLY SHUTDOWN, ESTIMATED STARTUP DATE......N/A N

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AVERAGE DAILY UNIT PO*4ER LEVEL DOCKET NO. 50-423 UNIT Millstone Unit No. 3 DATE June 6,1986 COMPLETED BY A. Elms TELEPHONE (203) 444-5388 MONTH May DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 1128 17 954 2

1140 18 1161 3

1147 19 1113 4

1147 20 1113 5

1116 21 1149 6

1144 22 1155 7

1151 23 916 8

1189 24 939 9

359 25 1144 10 0

26 1138 11 0

27 1151 12 0

28 1131 13 471 29 1142 14 915 30 1149 15 1094 31 1126 16 1129 i

i

J UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-423 UNIT Millstone Unit No. 3 DATE June 6, 1986 COMPLETED BY A. Elms TELEPHONE (203) 444-5388 REPORT MONTH MAY 1986 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 Cooling water screen rack high dp. causing 86-02 5/9/86 F

92 A

3 86-035 SG SCN high backpressure in condenser Downpower to clean i

86-03 5/23/86 F

0 B

9 N/A SG Cond main condenser t

1 i

1 2

3 4

-F:

Forced

-Reason:

-Method:

-Exhibit G - Instructions i

S:

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 i

F - Administrative (Duration = 0)

Exhibit 1 - Same Source i

G - Operational Error (Explain) 9 - Other (Explain)

H - Other (Explain)

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• Selden Street. Berlin, Connecticut v co ncton oc a -e ma ce-a-P.O. BOX 270 l

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HARTFORD. CONNECTICUT 06141-0270

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June 9, 1986 MP-9157 Director, Office of Resource Management U. S. Nuclear Regulatory Commission 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 - Unit 3 Monthly Operating Report 86-6 covering operations for the month of May is hereby forwarded.

Yours truly, NORTHEAST NUCLEAR ENERGY COMPANY

$f Wayne D. Ro eg Station Superintendent Millstone Nuclear Power Station WDR/ ALE:sb Attachment cc:

Regional Administrator, Office of Inspection and Enforcement, Region I Director, Office of Inspection and Enforcement, Washington, D.C. (10)

U. S. Nuclear Regulatory Commission, c/o Document Management Branch, Washington, D. C. 20555 d

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