ML032320290

July 2003 Monthly Operating Report for Nine Mile Point, Unit 2

ML032320290
Person / Time
Site:	Nine Mile Point
Issue date:	08/07/2003
From:	Hopkins L Constellation Energy Group
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
NMP2L 2094
Download: ML032320290 (4)

Text

P.O. Box 63 Lycoming, New York 13093 Constellation I

FEnergy Group Nine Mile Point Nuclear Station August 7, 2003 NMP2L 2094 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

-Subjec:=:

.NineMle Po.nt Unit2

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Docket No 50-410;NPF-69

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Monthly Operating Report for July 2003 Gentlemen:

Submitted herewith is the Operating Data Report, the Unit Shutdowns, and Summary of Operating Experience for July 2003.

Very truly yours, Lawrence Hopkins Plant General Manager LAIfjm_

Attachments Cc>-

-Mr-H. -J. Mler, NRC-RegionalAdmiistratorRegion - R--o I

Mr. G.K YHunegs, NRC Senior Ret nspector

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ATTACHMENT A OPERATING DATA REPORT DOCKET NO.

DATE:

COMPLETED BY:

TELEPHONE:

50-410 08/0112003 T. P. McMahon (315) 3494045 OPERATING STATUS Unit Name:

Reporting Period:

1. Design Electrical Rating (MWe)

2. Maximum Dependable Capacity (Net MWe)

Nine Mile Point Unit #2 July 2003 1,1433 1,119.8 This Month Yr-to-Date Cumulative

3. Number of Hours Reactor was Critical:

4. Hours Generator On-Line:

6. Net Electrical Energy Gen. (MWH) 558.0 4,900.9 i07,683.9 558.0S-4,901.0 104,757A 321.6 -0 1

4,39-6

.7 632,138.6 5,578,560.2 110,054,396.7 4o:

UNIT SHUTDOWNS I

I ATTACHMENT B REPORTING PERIOD - JULY 2003 If i

i iI DOCKET NO: 50-410 UNIT NAME: NMP#2 DATE: 8/01/03 Prepared by: T. McMahon TELEPHONE: (315) 349-4045

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x Duration Method of Cause & Corrective Actions No.

Date Type (Hours)

Reasons' hutting Down '

Comments

Forced

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Scheduled 0301 030724 F

186 A

3 Failure of a feedwater control circuit power supply resulted in reactor transient and eventual

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SCRAM (OPRM safety trip)

Extent of condition indicated two additional power supplies. All 3 power supplies were each replaced with a pair of power supplies for N+l redundancy, removing the single filure exposure.

Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Opeator Training & Iicense Exam F-Administrative G-Operational Elor (Explain)

H-her (Explain) 1,

j Method.

I-Manual.

2-Manual TriplScram 3-Automatic TripfSaram 4-Continuation 5-Other (Explain)

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ATTACHMENT C NARRATIVE OF OPERATING EXPERIENCE DOCKET NO: 50-410 UNIT NAME: NMP#2 DATE: 8/01/03 PREPARED BY: T. McMahon TELEPHONE: (315) 349-4045 Nine Mile Point Unit Two operated with a capacity factor (MDC) of 75.88% and an availability factor of 75% for the month of July 2003.

On July 24, 2003 at 0551 hours0.00638 days <br />0.153 hours <br />9.11045e-4 weeks <br />2.096555e-4 months <br /> Nine Mile Point Unit #2 experienced a plant transient when a feedwater ucotrol c ztuv-wersIpp led.-

-houJhltati cally.d ltPbcasef anOscilnasion Power Range Monitor (OPRM) trip signal. The plant remained shutdown for the remainder of the report period.

There were no challenges to the safety relief valves during this reporting period.

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