ML20059J461

Monthly Operating Rept for Oct 1993 for Milestone,Unit 2.W/

ML20059J461
Person / Time
Site:	Millstone
Issue date:	10/31/1993
From:	Doboe S, Scace S NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
MP-93-891, NUDOCS 9311120214
Download: ML20059J461 (5)

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(203) 665-5000 November 8, 1993'

'MP-93-891 Re:

10CFR50.71(a)'

U.S. Nuclear Regulatory Commission Document Control-Desk k'ashington, D.

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20553 I

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Reference:

Facility Operating License No. DPR-6F j

i Docket No. 50-336

Dear Sir:

This letter is forwarded to provide the report of operating and shutdown-experience relating to Millstone Unit 2 for the month of October 1993,.in-1 accordance with Appendix A Technical Specifications, Section.6.9.1.6.

One

'i additional copy of'the-report is enclosed.

Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY i

tw Steph E. Scace Vice President - Millstone Station SES/sid cc: T. T. Martin, Region.1 Administrator L

G. S. Vissing, NRC Project Manager, Millstone Unit No. 2 P. D. Swetland, Senior Resident Inspector, Millstone Unit'Nos.

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OPERATING DATA REPORT l

UNIT NAME Millstone Unit 2 i

DATE 11/04/93 COMPLETED BY S.Doboe TELEPHONE - (203) 447-1791 EXT 4678 OPERATING STATUS

1. Docket Number 50-336

2. - Reporting Period October 1993 Notes: Items 22 and 23

3. Utility Contact S. Doboe cumulative are weighted i

4. Licensed Thermal Power (MWt):

2700 averages. Unit operated '

5. Nameplate Rating (Gross MWe):

909 at 2560 MWTH prior to its

6. Design Electrical Rating (Net MWe);

870 uprating to the current

~ 7. Maximum Dependable Capacity (Gross MWe):

903.10 2700 MWTH power level.

8. - Maximum Dependable Capacity (Net MWe):

873.10

9. ff Changes Occur in Capacity Ratings (items Number 4 Through 8) Since Last Repor1, Give Reasons:

N/A

10. Power Level To Which Restricted, if any (Net MWe):

N/A

~ 11. Reasons For Restrictions, if Any:

N/A t

This Month -

Yr,-To-Date Cumulative

12. Hours in Reporting Periud 745.0 7296 156480.0 i

13 Number Of Hours Reactor Was Critical 538.8 6225.9 111483.5

14. Reactor Reserve Shutdown Hours 0.0 -

0.0 2205.5

15. Hours Generator On-Line 515.3 6009.3 106366.7

16. Unit Reserve Shutdown Hours 0.0 0.0 468.2-

- 17. Gross Thermal Energy Generated -(MWH) 1355882.0 15778528.0 -

273760232.4

10. Gross Electrical Energy Generated (MWH) 453047.0 5263353.0 89667660.5

19. Net Electrical Energy Generated (MWH) 433325.0 5056710.0 86007586.3

20. Unit Service Factor 69.2 82.4 68.0

21. Unit Availability Factor 69.2.

82.4 68.3

22. Unit Capacity Factor (Using MDC Net) 66.6 79.4 64.4-

23. Unit Capacity Factor (Using DER Net) 66.9 79.7 63.3 24, Unit Forced Outage Rate 30.8 14.0 15.4 l

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

None I

- 26. If Unit Shutdown At End Of Report Period, Estimated Date of Startup:

N/A

27. Units in Test Status (Prior to Commercial Operation):

f Forecast Acheived INITIAL CRITICALITY N/A -

N/A~

INITIAL ELECTRICITY-N/A-N/A l

COMMERCIAL OPERATION N/A

- N/A e

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AVERAGE DAILY UNIT POVER LEVEL DOCKET NO. 50-336 UNIT Millstone Unit 2 DATE 11/04/93 COMPLETED BY S. Doboe TELEPHONE - (203) 447-1791 EXT 4678 MONTH: OCTOBER 1993 i

DAY AVG. DAILY POWER LEVEL DAY AVG. DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 0

17 874 2

0 18 874 3

0 19 874 4

0 20 867 5

0 21 875 6

0 22 875 7

0 23 875 t

8 0

24 875 9

0 25 875 10 49 26 875 11 589 27 875 12 872 28 875 13 874 29 875 i

14 875 30 875 j

15 875 31 875 16 875 INSTRUCTIONS On this format, list the average daily unit power levelin MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-336 UNIT NAME Millstone Unit 2 DATE 11/03/93 COMPLETED BY S.Doboe TELEPHONE (203) 447-1791 REPORT MONTH October 1993 EXT 4678 No.

Date Type Duration Reason 2 Method of License System Component Cause & Corrective (Hours)

Shutting Event Coded Code 5 Action to Down Reactor 3 Report #

Prevent Recurrence 8

930914 F

229.7 F

4 93-015 SJ V

Continuation of the outage pertairiing to MOV motor brakes from the previous month. The unit was restarted on 10/09/93 and reached 100% power on 10/11/93.

See LER, 1 F: Forced 2 Reason 3 Method 4 IEEE Standard 805-1984, S: Scheduled A -Equipment Failure (Explain) 1 -Manual

" Recommended Practices B-Maintenance or Test 2-Manual Scram for System Identification in C -Refueling 3 -Automatic Scram Nuclear Power Plants and D-Regulatory Restriction 4 -Continued from Related Facilities" E -OperatorTraining & License Examination Previous Month F -Administrative 5 -Power Reduction 5 IEEE Standard 803A-1983, G-Operational Error (Explain)

(Duration - 0)

• Recommended Practices H -Other (Explain) 6 -Other (Explain) for Unique identification in Power Plants and Related Facilities-Component Function identifiers"

..-o-REFUELING INFORMATION REOUEST 1.

Name of facility:

Millstone 2 2.

Scheduled date for next refueling shutdown:

June 1994 3.-

Scheduled date for restart following refueling:

N/A 4.

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

None at this time 5.

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

None 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:

None 7.

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

In Core:

(a) 217 In Spent Fuel Pool:

(b) 784 NOTE: These numbers represent the total Fuel Assemblies and Consol-

Ldated Fuel Storace Boxes-(3 total - containina the fuel rods from 6 fuel assemblies) in these two (2) Item Control Areas.

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:

Currently 1237.

A license amendment has been submitted to the NRC to increase the spent fuel Dool storace capacity to 1306 storace locations.

9.

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

1994. Spent Fuel Pool Full. Core Off Load capacity is reached.

1998, Core Full. Soent Fuel Pool Full.

.