ML041050744

March 2004 Monthly Operating Report for Pilgrim

ML041050744
Person / Time
Site:	Pilgrim
Issue date:	04/07/2004
From:	Bethay S Entergy Nuclear Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
2.04.035
Download: ML041050744 (2)

Text

Ent7'.itle1'gy En12 Entergy Nuclear Operations, Inc.

Pilgrim Station 600 Rocky Hill Road Plymouth, MA 02360 Stephen J. Bethay Director, Nuclear Assessment April 7, 2004 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555

SUBJECT:

Entergy Nuclear Operations, Inc.

Pilgrim Nuclear Power Station Docket No.: 50-293 License No.: DPR-35 March 2004 Monthly Operating Report LETTER NUMBER: 2.04.035

Dear Sir or Madam:

In accordance with Technical Specification 5.6.4, the operational status summary for Pilgrim Nuclear Power Station is provided in the attachment for your information and planning.

There are no commitments contained in this letter.

Should you have questions or comments concerning this report, please contact Mr. Bryan Ford at (508) 830-8403.

Sincerely, Stephen J. Bethay Director, Nuclear Assessment MJG/dm

Attachment:

March 2004 Monthly Operating Report (1 page) cc: Mr. Hubert Miller Regional Administrator, Region I U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406 Senior Resident Inspector 204022

OPERATING DATA REPORT DOCKET NO. 50D-293 UNIT NAME p Igrlm 1 DATE Appril 05, 2004 COMPLETED BY M- ary J. Gatslick-TELEPHONE T51)8) 830-7373 REPORTING PERIOD: March 2004

1. Design Electrical Rating 690.00

2. Maximum Dependable Capacity (MWe-Net) 684.70 This Month Yr-to-Date Cumulative

3. Number of Hours the Reactor was Critical 698.58 2.138.58 192,293.48

4. Number of Hours Generator On-line 681.92 2.121.92 190,066.87

5. Reserve Shutdown Hours 0.00 0.00 0.00

6. Net Electrical Energy Generated (MWHrs) 455,553.04 1.448,361.92 113.101.040.3 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No. Date S: Scheduled (Hours) Reason 1 Down 2 Comments 2004-1 03/22/2004 S 62.08 B 1 The shut down was planned for replacement of the pilot valves for 2 or the main steam relief valves.

SUMMARY

The period began with the unit on line with the reactor operating at 100% power (2028 MWt). On March 22nd at 0800 hours0.00926 days <br />0.222 hours <br />0.00132 weeks <br />3.044e-4 months <br /> a power reduction from 100% reactor power was initiated for a planned outage. The turbine was removed from the grid at 2100 hours0.0243 days <br />0.583 hours <br />0.00347 weeks <br />7.9905e-4 months <br /> the same day. Significant activities while the station was shut down included replacement of the pilot valves for 2 of the main steam relief valves. Reactor criticality was achieved on March 24th at 2330 hours0.027 days <br />0.647 hours <br />0.00385 weeks <br />8.86565e-4 months <br />. The unit was on line at 1105 hours0.0128 days <br />0.307 hours <br />0.00183 weeks <br />4.204525e-4 months <br /> on March 25th. 100% reactor power was achieved on March 26th at 1158 hours0.0134 days <br />0.322 hours <br />0.00191 weeks <br />4.40619e-4 months <br />. A planned power reduction from 100% reactor power was initiated on March 29th at 0901 hours0.0104 days <br />0.25 hours <br />0.00149 weeks <br />3.428305e-4 months <br /> for a control rod pattern adjustment. The reactor power was reduced to about 58% for this activity. Reactor power ascension began on March 29th at 1152 hours0.0133 days <br />0.32 hours <br />0.0019 weeks <br />4.38336e-4 months <br />, and 100% reactor power was achieved at about 0219 hours0.00253 days <br />0.0608 hours <br />3.621032e-4 weeks <br />8.33295e-5 months <br /> on March 30th. The period ended with the unit operating on line at 100% power (2028 MWt).

1 2 Reason: Method:

A Equipment Failure (Explain) 1 Manual B Maintenance or Test 2 Manual TriplScram C Refueling 3 Automatic Trip/Scram D Regulatory Restriction 4 Continuation E Operator Training & License Examination 5 Other (Explain)

F Administration G Operational Error (Explain)

H Other (Explain)

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