L-MT-03-020, February 2003 Monthly Operating Report for Monticello

February 2003 Monthly Operating Report for Monticello

ML030850106
Person / Time
Site:	Monticello
Issue date:	03/14/2003
From:	Denise Wilson Nuclear Management Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
L-MT-03-020
Download: ML030850106 (3)

Text

NlC Committed to NuclearExcel Monticello Nuclear Generating Plant Operated by Nuclear Management Company, LLC L-MT-03-020 March 14, 2003 Technical Specification 6.7.A.3 US Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Submittal of Monticello Monthly Operating Report for February 2003 In accordance with Monticello Technical Specification 6.7.A.3, the report of operating statistics for Monticello Nuclear Generating Plant for the month of February is enclosed.

Please contact John Fields at 763-271-1663 ifyou require further information.

David L. Wilson Site Vice President Monticello Nuclear Generating Plant Enc.

cc: Regional Administrator- Ill, NRC NRR Project Manager, NRC Sr. Resident Inspector, NRC Minnesota Dept. of Commerce 2807 West County Road 75

• Monticello, Minnesota 55362-9637 Telephone. 763-295-5151 a Fax: 763-295-1454

NMC E Comrmtted to NuclearExcellnc DOCKET NO. 50-263 UNIT NAME Monticello DATE March 4, 2003 COMPLETED BY J. I. Helland TELEPHONE 763-295-1333 OPERATING DATA REPORT REPORTING PERIOD: February 2003 MONTH YEAR TO DATE CUMULATIVE 600.0 600.0 600.0

1. Design Electrical Rating (MWe-Net) 578.1 578.1 578.1

2. Maximum Dependable Capacity (MWe-Net) 672.0 1,416.0 230,257.6

3. Number of Hours the Reactor Was Critical 672.0 1,416.0 226,834.8

4. Number of Hours the Generator Was On Line 0.0 0.0 0.0

5. Unit Reserve Hours 393,223.4 829,706.2 116,995,248.7

6. Net Electrical Energy (MWH)

t, UNIT SHUTDOWNS DOCKET NO. 50-263 UNIT NAME Monticello DATE 03-04-03 COMPLETED BY J. I. Helland REPORTING PERIOD: February 2003 TELEPHONE 763-295-1333 Type Method of Cause/Corrective Actions F:Forced Duration Reason Shutting Down No. Date S:Scheduled (hours) (1) (2) Comments None 4 4. 4 i.

4 4. 1 1 I 1-1 4 I I I 1-1 4- 1 1 I t I + I I t t

___ 1_____ 1. 1 1 I 4-1 4. 1 1 4 +

1 4. 1 1 4 +

I _____ ________ I ______ I _______ I ____________ +/-

1 2 Reason: Method:

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

F Administrative G Operational Error (Explain)

H Other (Explain)

SUMMARY

The plant operated at essentially 100% power the entire month, except for the following three power reductions: A power reduction to 58% for about 7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> on February 2 due to CV-1 242 failing in automatic control resulting in #11 SJAE inlet low Pressure isolation and HWC system trip and decreasing condenser vacuum. A oower'reduction to 96% for abo-ut 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> 40 minutes on February 8 for a rod pattern adiustment and a power reduction to 95% for 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> 10 minutes on February 22 for a rod pattern adjustment