ML20091S402

Monthly Operating Rept for May 1984

ML20091S402
Person / Time
Site:	Millstone
Issue date:	05/31/1984
From:	Mroczka E, Neron G NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	NRC
References
MP-6094, NUDOCS 8406180260
Download: ML20091S402 (7)

Text

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-336 UNIT Millstone 2 DATE COMPLETED BY G. Neron TELEPHONE (203) 447-1791 Ext. 4417 MONTH May 1984 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 849 17 850 2

851 18 737 3

838 19 841 4

849 20 849 5

850 21 848 6

849 22 848 7

849 23 845 8

848 24 849 9

848 25 849 10 847 26 848 11 848 27 848 12 847 28 849 13 847 29 848 14 848 30 848 15 850 31 848 16 849 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month.

Compute to the nearest whole megawatt.

e406180260 840531 PDR ADOCK 05000336 R

PDR II

-4.

OPERATING DATA REPORT DOCKET NO. 50-336 DATE COMPLETED BY G. Neron TELEPHONE (203) 447-1791 Ext. 4417 l

_0PERATING STATUS 1.

Unit Name:

Millstone Unit 2 Notes 2.

Reporting Period: May 1984 Items 21 and 22 cumulative 3.

Licensed Thermal Power (MWt):

2700 are weighted ave. Unit 4.

Nameplate Rating (Gross MWe): UUT operated at 2560 W thermal 5.

Design Electrical Rating (Net METE}:

870 prior to its uprating to the 6.

Maximum Dependable Capacity (Gross MWe77 895 current 2700 MW Thermal Power 7.

Maximum Dependable Capacity (Net MWe):

864 Level.

8.

If Changes Occur in Capacity Ratings (Items Number 3 Through 7)

Since Last Report, Give Reasons:

N/A 9.

Power Level To Which Restricted, If Any (Net MWe): N/A 10.

Reasons For Restrictions, If Any:

N/A I

This Month Yr.-to-Date Cumulative 11.

Hours In Reporting Period 744 3647 73919 12.

Number Of Hours Reactor Was Critical 744 3523.9 51889.2 13.

Reactor Reserve Shutdown Hours 0

0 2205.5 i

14. Hours Generator On-Line 144 3221.1 49403.3 15.

Unit Reserve Shutdown Hours 0

0 468.2 16.

Gross Thermal Energy Generated (MWH) 1998215 8222443 124534112

17. Gross Elec. Energy Generated (MWH) 651100 2661701 40468079 18.

Het Electrical Energy Generated (MWH) 628150 2551902 38767603

19. Unit Service Factor 100.0 88.3 66.8

)

20.

Unit Availability Factor 100.0 88.3 67.5 21.

Unit Capacity Factor (Using MDC Net) 97.7 81.0 62.3 i

22.

Unit Capacity Factor (Using DER Net) 97.0 80.4 61.5 23.

Unit Forced Outage Rate 0

5.1 18.3 24.

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

N/A 25.

If Shut Down At End Of Report Perico, Esiihiated Datc of Startup: N/A 25.

Units In Test Status (Prior to Commercial Operation):

Fo7ecast Achieved INITIAL CRITICALITY N/A N/A l

INITIAL ELECTRICITY N7K N7K COMMERCIAL OPERATION N7K N7K l

l

DOCKET NO. 50-336 UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME Millstone 2 DATE COMPLETED BY G. Neron REPORT MONTH May 1984 TELEPHONE (203) 447-1791 i

Ext. 4417 l

2 No.

Date Type Duration Reason Method of Licensee Systeg Compogent Cause & Corrective j

(Hours)

Shutting Event Code Code Action to 3

Down Reactor Report #

Prevent Recurrence 4

840518 F

0.0 H

5 N/A AA R00 While at 100% power and during CEA Motion Testing, 4

CEA #22 dropped i

fully into the core.

Power was reduced to <70%

i l

power and CEA was recovered.

i i

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 Licensee C-Refueling 3-Automatic Scram - Event Report (LER) File D-Regulatory Restriction 4-Continued from (NUREG-0161)

E-Operator Training & License Examination previous month F-Administrative 5-Power Reduction 5 G-Operational Error (Explain)

(Duration = 0)

Exihibit 1 - Same Source H-Other (Explain) 9-Other (Explain) 9

Docket No. 50-336 Date Unit Name Hillstone 2 Completed By G. Neron Telephone (203) 447-1791 Ext. 4417 CORRECTIVE MAINTENANCE SIM4ARY FOR SAFETY RELATED EQUIPMENT REPORT MONTH May 1984 DATE SYSTEM COMPONENT MAINIENANCE ACIION 5/4/84 Main Steam 2-MS-191B Perform temporary furmanite leak repair to valve body to bonnet leak.

5/4/84 Reactor Protection Voltage to Current Converter Installed new converter card.

System 5/7/84 Reactor Protection "D" RPS Channel Replaced power supply 1 for high System power bistable.

5/10/84 Reactor Protection "0" RPS Channel Replaced campbell rectifier card.

System 5/10/84 Seismic Monitoring Recorder Replaced transisters and repaired System solder joints in recorder.

5/22/84 Service Water Pipe Downstream of Cladded weld on Service Water 2-SW-128 pipe.

o 4

e

Docket No. 50-336 Date:

Completed By: G. Neron Telephone: (203) 447-1791 Ext. 4417 REFUELING INFORMATION REQUEST 1.

Name of facility: Millstone 2 2.

Scheduled date for next refueling shutdown:

Next refueling is in February 1985.

3.

Schedule date for restart following refueling: N/A 4.

Will refueling or resumption of operation thereafter require a technical specification change or other license amendment?

Currently under evaluation.

5.

Scheduled date(s) for submitting licensing action and supporting information:

Not available at this time.

6.

Important licensing considerations associated with refueling, e.g.,

new or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes in fuel design, new operating procedures:

Discharge of failed fuel will impact reload analysis.

7.

The number of fuel assemblies (a) in the core and (b) in the spent fuel storage pool:

(a) In Core: 217 (b)376 8.

The present licensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been requested or is planned, in number of fuel assemblies:

667 9.

The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity:

1985, Spent Fuel Pool, Full core off load capacity is reached.

1987, Core Full, Spent Fuel Pool contains 648 bundles.

i OPERATING DATA REPORT (Revised Data For April 1984)

DOCKET NO. 50-336 DATE COMPLETED BY G. Neron TELEPHONE (203) 447-1791 i

Ext. 4417 OPERATING STATUS 1.

Unit Name: Millstone Unit 2 Notes 2.

Reporting Period:

April 1984 Items 21 and 22 cumulative 3.

Licensed Thermal Power (MWt):

2700 are weighted ave. unit 4.

Nameplate Rating (Gross We): VOT operated at 2560 W Thermal 5.

Design Electrical Rating (Net MRil: 870 prior to its uprating to the 6.

Maximum Dependable Capacity (Gross MWe'Ji 895 current 2700 W thermal power 7.

Maximum Dependable Capacity (Net We): 86 F level.

8.

If Changes Occur in Capacity Ratings (Items Number 3 Through 7)

Since Last Report, Give Reasons:

N/A 9.

Power Level To Which Restricted, If Any (Net MWe):

N/A 10.

Reasons For Restrictions, If Any:

N/A i

This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 719 2903 73175 l

12.

Number Of Hours Reactor Was Critical 719 2//9.9 51145.2 13.

Reactor Reserve Shutdown Hours 0

0 2205.5 j

14. Hours Generator On-Line 719 2477.1 48659.3 6

15. Unit Reserve Shutdown Hours 0

0 468.2 l

16. Gross Thermal Energy Generated (MWH) 193535/

6224228 122535897 l

17. Gross Elec. Energy Generated (MWH) 633000 2010601 398169/9 l

18. Net Electrical Energy Generated (WH) 610772 1923/52 38139453 i

19. Unit Service Factor 100.0 85.3 66.5

20. Unit Availability Factor 100.0 85.3 67.1 l

l

21. Unit Capacity Factor (Using MDC Net) 98.3 76.7 62.0 22.

Unit Capacity Factor (Using DER Net) 97.6 76.2 61.1 23.

Unit Forced Outage Rate 0

6.0 18.6 24.

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

None l

25.

If Shut Down At End Of Report Period, Estimated Date of Startup: N/A

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

Forecast Achieved l

INITIAL CRITICALITY N/A N/A INITIAL ELECTRICITY N7F N7K

+

COMERCIAL OPERATION N70 N7A l

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P.O. BOX 270 HARTFORD. CONNECTICUT 06141-0270

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June 12, 1984 MP-6094 i

Director Office of Management Information and Program Control U. S. Nuclear Regulatory Commission Washington, D. C. 20555

Reference:

Facility Operating License No. DPR-65 Docket No. 50-336

Dear Sir:

This letter is forwarded to provide the report of operating and shutdown experience relating to Millstone Unit 2 Monthly Operating Report 84-5 in accordance with Appendix A Technical Specifications, Section 6.9.1.3.

One additional copy of the report is enclosed. Also attached is a revised Operating Data Report for April 1984.

Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY E. J. Mroczka Station Superintendent l

Millstone Nuclear Power Station EJM/GN: dip cc:

Director, Office of Inspection and Enforcement, Region I l

l

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Director, Office of Inspection and Enforcement, Washington, D. C. (10)

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

56, I

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