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

{{Adams
| number = ML042080231
| issue date = 07/16/2004
| title = Correction to May 2004 Monthly Operating Report for Comanche Peak Steam Electric Station
| author name = Madden F
| author affiliation = TXU Generation Co, LP, TXU Power
| addressee name = 
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000445, 05000446
| license number = NPF-087, NPF-089
| contact person = 
| case reference number = CPSES-200401736, RP-84, TXX-04128
| document type = Letter type:CPSES, License-Monthly Operating Report
| page count = 3
}}

=Text=
{{#Wiki_filter: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)}}