ML20215C420

Monthly Operating Rept for Jul 1986

ML20215C420
Person / Time
Site:	Millstone
Issue date:	07/31/1986
From:	Elms A, Romberg W NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
MP-9363, NUDOCS 8610100273
Download: ML20215C420 (4)

Text

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E-ennu NRC OFERAT!NS STATUS REPCRT CCMPLETED BY REACTCR ENSINEERIM *eseen

1. DOCKET.... 50-423 OPERATING STATUS

2. REPCRTING PERIOD... JULY 1966 0UTAGE + ONLINi HOURS.. 169

+ 575

= 744

3. UllLITY CCNTACT.................A. L. ELMS 203-444-5328

- eennuenn 4.

LICENSED THERMAL P0 DER.........................................

3411 e MILLSTONE e

5. NAMEPLATE R Ailmi (6ROSS MbE)................................... 1.253 MW e UNIT 3 e

6. DESIGN ELECTRICAL RATING (NET MbE)..............................

1153.61 enuneesese

7. MAI! MUM CEPENDABLE CAF ACITY (6RDSS Mutl........................ 1197

8. MAI! MUM DEPENDABLE CAPAC!iY (NET MWEl...........................

1149.35 9.

IF CHAN3ES DCCUR ABOVE SINCE LAST REPCRT, REASONS ARE...........

N/A

10. FCWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWEl...............N/A

!!. REASCN FCR RESTRICTICN, IF ANY....N/A MONTH YEAR TO DATE CUMULATIVE TO DATE 33333 333333333333 333333333333333333

12. HOURS IN REPCRTINS FERIOD 744.0 2399.0 2399.0

13. NUMBER OF HOURS THE REACTOR NAS CRITICAL 575.0 2135.3 2135.3

14. REACTOR RESERVE SHUTCOWN HOURS 0.0 83.2 63.2

15. HOURS 6ENERATCR ONLINE 575.0 2119.2 2119.2

16. UNIT RESERVE SHUTDCWN HOURS 0.0 0.0 0.0

17. GROSS THERMAL ENER6Y 6ENERATED (MWHI 1943450.4 7059833.7 7059633.7

19. GROSS ELECTRICAL ENERSY 6ENERATED (MWHI 669546.0 2449912.5 2441912.5

19. NET ELECTRICAL ENERBY GENERATED (MWH) 639674.0 2342520.1 2342520.1

20. UNIT SERVICE FACTOR 77.3 68.3 68.3

21. UNIT AVAILABILITY FACTOR 77.3 98.3 68.3

22. UNIT CAPACITY FACTOR (USING MDC NET) 74.8 65.0 65.0 Y

23. UNIT CAPACITY FACTOR (USINS DER NET) 74.5 84.6 64.6

24. UNIT FORCED OUTAGE RATE 22.7

!!.7 11.7

25. UNIT FORCED OUTAGE HOURS 169.0 279.0.

279.6 SHUTD0hWS SCHECULED DVER NEIT S!! MONTHS (TYPE, DATE, AND CURATION DF EACHl..............

NJA i'

4 IF CURRENTLY SHUIDCWN, ESTIMATED STARTUP DATE..... 4UGUST 13 1986 J

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-423 UNIT Millstone Unit No. 3 DATE August 6, 1986 COMPLETED BY A. Elms TELEPHONE (203) 444-5388 MONTH

-July DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 1120 17 1109 2

1143 18 1123 3

1147 19 1175 4

1158 20 1079 5

1125 21 948 6

1130 22 1127 7

1135 23 1129 8

1200 24 942 9

1075 25 0

10 1147 26 0

11 1143 27 0

12 1113 28 0

13 1132 29 0

14 1128 30 0

15 1105 31 0

16 1123 1

l

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-423 UNIT Millstone Unit No. 3 DATE August 6, 1986 COMPLETED BY A. Elms TELEPHONE (203) 444-5388 REPORT MONTH JULY.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 86-04 7-21-86 F 0

G 9

NA SM P

Level Control Valve failure due to improper tagging causes Heater Drain Pump

/47,O 86-05 7-24-86 F

-46er A

3 86-41 SJ TC Trip during shutdown to repair Main Generator Stator Coolant leak and valve in Letdown System.

1 2

3 4

~F:

Forced

~ Reason:

-Method:

-Exhibit G - Instructions 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 F - Administrative (Duration = 0)

Exhibit 1 - Same Source G. Operational Error (Explain) 9 - Other (Explain)

H - Other (Explain)

I,

'NORT9 EAST 55TIRJTIES cener.i On c... seicen sire.i. Boriin. Connecticut I

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P.O. BOX 270

$ 7. C',2.,7,'",%~.

HARTFCRD, CONNECTICUT 06141-0270 k

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(203) 665-5000 August 11, 1986 MP-9363 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 requirerrents of Technical Specifications Section 6.9.1.5, the Millstone Nuclear Power Station - Unit 3 Monthly Operating Report 86-8 covering operations for the month of July is hereby forwarded.

Yours truly, NORTHEAST NUCLEAR ENERGY COMPANY OD&

Wayne D. Rom g

Station Sup tendent 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 e

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