ML20212L245

Monthly Operating Rept for Oct 1986

ML20212L245
Person / Time
Site:	Yankee Rowe
Issue date:	10/31/1986
From:	Heider L, Whipple S YANKEE ATOMIC ELECTRIC CO.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
86-10, DCC-86-173, FYR-86-109, NUDOCS 8701290385
Download: ML20212L245 (6)

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YANKEE ATOMIC NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 86-10 FOR THE MONTH OF OCTOBER, 1986 O

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$DR ADOCK 05000029 PDR

OPERATIN6 DATA REPORT DOCKET ii0. 50-29 DATE B61106 COMPLETED BY S. NHIPPLE TELEPHONF (6171 872-B100 OPERATING STATUS 1.

Unit Nase Yankee Rose 2.

Reporting Period October,1986 3.

Licensed Thereal Power (Mt):

600

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4.

Naseplate Rating (6ross NNe):

105 5.

Design Electrical Rating (N ' ?.ne):

175 6.

Maxieue Dependable Capacity (6ross Me): 180 7.

Maxieue Dependable Capacity (Net Me):

167 8.

If Changes Occur in Capacity Ratings (Itees Number 3 Through 7) Since Last Report, Give Reasons 9.

Power Level To Nhich Restricted. If Any (Net Me):

10. Reasons For Restrictions. If Any This Month Yr.-to-Date Cueulative

11. Hours In Reporting Period 745.00 7,296.00

12. Number of Hours Reactor Nas Critical 719.66 6,884.77 182,406.25

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00

14. Hours Generator On-Line 713.56 6,868.36 177,527.07

15. Unit Reserve Shutdown Hours 0.00 0.00 0.00

16. Gross Thereal Energy Generated ( MH) 417,174.00 4,047,632.00 96,728,248.52

17. Gross Electrical Energy Generated (MH) 125,287.90 1,225,994.60 29,308,682.40 IB. Net Electrical Energy Generated (M H)

!!7,251.31 1,148,257.89 27,424,477.05

19. Unit Service Factor 95.78 94.14 77.99

20. Unit Availability Factor 95.78 94.14 77.99

21. Unit Capacity Factor (Using MDC Net) 94.24 94.24 74.03 l

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22. Unit Capacity Factor (Using DER Net) 89.93 89.93 70.55

23. Unit Forced Outage Rate 4.22 5.86 5.27

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and. Duration of Each):

25. If Shutdown At End of Report Period, Estimated Date of Startup:

26. Units In Test Status (Prior to Coseercial Operation):

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY I

CCMERCIAL OPERATION

AVERA6E DAILY WIT PONER LEVEL 80CKET NO.

50-29 WIT YANKEE RONE 8 ATE M1106 CohrdTED OY S. WIPFLE TELEPHONE (617) 872-8100 MONTH OCTOBER,1986 DAY AVERA6E MILY PONER LEVEL DAY AVERA6E DAILY PONER LEVEL (MNe-Net)

(Me-Net) i 167.3 17 168.7 2

167.1 18 168.9 3

167.1 19 169.0 4

67.2 20 169.1 5

48.1 21 169.0 6

135.7 22 169.0 7

153.4 23 169.0 8

168.5 24 168.7 9

168.4 25 168.8 l

10 168.3 26 168.6 11

. 168.4 27 169.3 12 168.5 28 169.6 13 168.5 29 169.6 14 168.3 30 169.6 15 168.5 31 89.6 16 168.7 INSTRUCil0NS On this format, list the average daily unit power level in We-Net for each day in the reporting conth.

Compute to the nearest whole negawatt.

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Wii SHUTDOWS AND POWER REDUCTIONS DOCKET NO.

50-29 WIT YANKEE RONE REPORT NONTH. OCTOBER, 1986 DATE 861106 COMPLETED BY S. MIPPLE TELEPHONE (617) 872-8100 Method Licensee Cause & Corrective Duration 2 Of Shutting Event Systes Coeponent Action to

. No.

Date Type (Hours) Reason Down Reactor 3 Report I Code 4 Code 5 Prevent Recurrence 86-5 10/4/86 F

21.74 6/A 3

86-12 LD PS Control air pressure switch failed and was replaced. Operating pro-cedures mare clarified.

86-6 10/31/86 F

9.7 A

1 86-14 N/A N/A Pressurizer wide range level channel failed and was repaired.

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2 3

4 F: Forced Reason:

Methods Exhibit 6-Instructions S: Scheduled A Equipeent Failure (Explain) 1-Manual for Freparation of Data FMaintenance or Test 2-Manual Scrae.

Entry Sheets for License l

C-Refueling 3-Automatic Scras.

Event Report (LER) File D-Fegulatory Restriction 4-Other (Explain)

(NURE6-016tl E-Operator Training & Licensed Esasination F-Administrative 5

i 6-Operational Error (Explain)

Exhibit 1 - Saee Source H-Other (Explain)

e DOCFET NO.

50-29 UNIT YANKEE RONE MTE 0611 %

COMPLETED BY S. NHIPPLE TELEPHONE 417) 872-BlH REPORT MONTH OCTOBER,1986 SUMARY OF OPERATIN6 EXPERIENCES 10/4/06 Reactor scras on low Steae Generator levels due to loss of control air.

10/31/86 Manuel shutdown due to loss of pressurizer level channel, per T.S. 3.3.1 i

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I-YANKEE ATOMIC ELECTRIC COMPANY T*'epho"' (6 ") * ' ' 00 TWX 710-380-7619 3960-g79 O

1671 Worcester Road Framingharn, Massachusetts 01701 DCC 86-173 17.R4.2

,YAN KEE he November 6, 1986 FYR 86-109 United States Nuclear Regulatory Commission Director, Office of Management Information and Program Control Washington, D.C. 20555

Dear Sir:

Submitted herewith is the Monthly Statistical Report for the Yankee Atomic Power Station for the month of October,1986.

Very truly yours, YANKEE ATOMIC ELECTRIC COMPANY

/d LY H. Hdider Vice President / Manager of Operations LHH/kmw Enclosure p

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