CPSES-200401736, Correction to May 2004 Monthly Operating Report for Comanche Peak Steam Electric Station

Correction to May 2004 Monthly Operating Report for Comanche Peak Steam Electric Station

ML042080231
Person / Time
Site:	Comanche Peak
Issue date:	07/16/2004
From:	Madden F TXU Generation Co, LP, TXU Power
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
CPSES-200401736, RP-84, TXX-04128
Download: ML042080231 (3)

Text

TX Power U

TXU Power Mike Blevins Comanche Peak Steam Senior Vice President &

Electric Station Chief Nuclear Officer PO Box 1002 E01 Glen Rose, TX 76043 Tel: 254 897 5209 Fax: 254 897 6652 mike.blevins~txu.com Ref: #10CFR50.36 CPSES-200401736 Log # TXX-04128 RP-84 July 16, 2004 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

DOCKET NOS. 50-445 AND 50-446 CORRECTION TO MONTHLY OPERATING REPORT FOR MAY 2004 REF: TXX-04101, "MONTHLY OPERATING REPORT FOR MAY 2004" dated June 21, 2004.

Gentlemen:

Attached is a correction to the Monthly Operating Report for May 2004 for Unit 1, prepared and submitted pursuant to Technical Specification 5.6.4 contained in Appendix A to the CPSES Units 1 Operating License, No. NPF-87. The CPSES Monthly Operating Report for May 2004 was originally reported via the reference above. Due to a computer error, information previously reported in the "This Month" column for "Net Electrical Energy Generated (MWHrs) was incorrect. New totals have been submitted for the columns "This Month", "Yr-to-Date", and "Cumulative'.

During this reporting period, there have been no failures or challenges to the Power Operated Relief Valves or Safety Valves for CPSES Unit 1 and Unit 2.

A member of the STARS (Strategic Teaming and Resource Sharing) Alliance Callaway

• Comanche Peak

• Diablo Canyon

• Palo Verde

• South Texas Project

• Wolf Creek

TXX-04128 Page 2 of 2 This communication contains no new licensing basis commitments regarding CPSES Units 1 and 2. Should you have any questions, please contact Douglas Snow at (254) 897-8448.

Sincerely, TXU Generation Company LP By: TXU Generation Management Company LLC Its General Partner Mike Blevins By: 4? 222.a Fred W. Madden Regulatory Affairs Manager DWS Attachment cc - B. S. Mallett Region IV W. D. Johnson, Region IV M. C. Thadani, NRR Resident Inspector

Attachment to TXX-04128 Correction to TXX-04101 Page I of I OPERATING DATA REPORT DOCKET NO. 50-445 UNIT NAME Comanche Peak 1 DATE July 12, 2004 COMPLETED BY Douglas W. Snow TELEPHONE (254) 897-8448 REPORTING PERIC May 2004

1. Design Electrical Rating 1J15000

2. Maximum Dependable Capacity (MWe-Net) 1,150.00 This Month Yr-to-Date Cumulative

3. Number of Hours the Reactor was Critical 703.75 2,780.00 105,965.43

4. Number of Hours Generator On-line 664.62 2,740.87 105,057.10

5. Reserve Shutdown Hours 0.00 0.00 0.00

6. Net Electrical Energy Generated (MWHrs) 681,741.00 3,049,515.00 112,034,638.0 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No. Date 5: Scheduled (Hours) Reason 1 Down 2 Comments 2 03/27/2004 S 79.38 C 4 On March 27,2004 at 0900 the unit began downpower to enter 1RF10. Unit tripped per procedure at 1215 entering 1RF10. Unit was in 1RF1 0 until it returned to power on May 4,2004 at 0723. The unit returned to full power on May 11, 2004 at 1023. (see summary for additional details)

SUMMARY

5/01 0000 Unit began the month in Mode 4, 1RF1 0 in progress. 5/01 0430 Unit entered Mode 3. 5/02 1612 Unit commenced reactor startup. Unit entered Mode 2. 5/02 1615 Reactor Critical. 5/03 1154 Unit in Mode 1.

5/04 0723 Unit sync to grid ending 1RF1 0. 5/04 1500 Unit at 28% power for testing. 5/05 1956 Commenced Main Turbine Digital Control Tesing. Turbine load went to 0 Rx Power remained at 27% power. 5/05 2040 Turbine returned to 27% power. 5/06 1440 Unit commenced ramp to 45% power. 5/06 1950 Unit at 45% power. 5/06 2015 Completed testing at 45%, ramp to 660 MWe for turbine testing. 5/07 0219 Unit stable at 660 MWe. 5/07 1150 Commenced ramp to 77%. 5/07 2100 Unit at 77% power for testing. 5/10 1240 Unit commenced ramp to 90% power. 5/10 2100 Unit suspended ramp at 89% power for testing. 5/11 0340 Unit commenced ramp to 98% power. 5/11 0800 Unit suspended ramp at 98% power for secondary plant tuning. 5/11 1023 Unit at 100% power. 5/31 2400 Unit ended the month at full power.

1 2 Reason: Method:

A Equipment Failure (Explain) 1 Manual B Maintenance or Test 2 Manual Trip/Scram 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)