PLA-0589, April 2005 Monthly Operating Reports for Susquehanna Steam Electric Station Units 1 and 2

April 2005 Monthly Operating Reports for Susquehanna Steam Electric Station Units 1 and 2

ML051440276
Person / Time
Site:	Susquehanna
Issue date:	05/10/2005
From:	Saccone R Susquehanna
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
PLA-05898
Download: ML051440276 (7)

Text

% II Robert A.Saccone Vice President - Nuclear Operations PPL Susquehanna, LLC 769 Salem /Boulevard Berwick, PA 18603 Tel. 570.542.3959 Fax 570.542.1504 p % S I I l :--

M RASaccone~pplweb.com May 10, 2005 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Mail Stop O-PI-17 Washington, D.C. 20555-0001 SUSQUEHANNA STEAM ELECTRIC STATION MONTHLY OPERATING REPORTS Docket Nos. 50-387/NPF-14 and 50-388/NPF-22 PLA-05 898 The April 2005 Monthly Opeiating Reports for Susquehanua SES Units I and 2 are attached.

Very truly yours, JJH/cmm cc: NRC Region 1 NRC Sr. Resident Inspector, Mr. A. Blamey NRC Project Manager, Mr. R V. Guzman

OPERATING DATA REPORT DOCKET NO. 50-387 UNIT One DATE 05/10/2005 COMPLETED BY J. J. Hennings TELEPHONE (570) 542-3747 OPERATING STATUS

1. Unit Name: Susquehanna Steam Electric Station (Ul)

2. Reporting Period: April 2005

3. Design Electrical Rating (Net MWe): 1177

4. Maximum Dependable Capacity (Net MWe): 1135 This Month Yr.-to-Date Cumulative

5. Hours in Reporting Period 719 2879.0 191,952.0

6. Number of Hours Reactor Was Critical 719 2879.0 160,867.0

7. Hours Generator On-Line 719 2879.0 158,479.0

8. Unit Reserve Shutdown Hours 0 0 0

9. Net Electrical Energy Generated (MWH) 828,884 3,335,084 163,975,526 NOTES:

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UNIT SHUTDOWNS DOCKET NO. 50-387 UNIT One DATE 05/10/2005 COMPLETED BY J. J. Hennings TELEPHONE (570) 542-3747 REPORT MONTH April 2005 No.

Date Type Duration Reason Method of Cause & Corrective Action (Hours) 2 Shutting To Prevent Recurrence Down

___ __ ___ ___ R eactor3' No Reactor shutdowns this month Summary: There were no power reductions greater than 20% this month.

1. 2. 3.

F. Forced Reason: Method:

S. Scheduled A- Equipment Failure (Explain) 1 - Manual B- Maintenance or Test 2 - Manual Scram C- Refueling 3 - Automatic Scram D- Regulatory Restriction 4 - Continuation from previous month E - Operator Training & Licensee Exam 5 - Other F - Administrative G - Operational Error (Explain)

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SUSQUEHANNA STEAM ELECTRIC STATION Docket Number: 50-387 Date: 05/10/05 Completed by: J. J. Hennings Telephone: (570) 542-3747 Challenges to Main Steam Safety Relief Valves None.

OPERATING DATA REPORT DOCKET NO. 50-388 UNIT Two DATE 05/10/05 COMPLETED BY J. J. Hennings TELEPHONE (570) 542-3747 OPERATING STATUS

5. Unit Name: Susquehanna Steam Electric Station (U2)

6. Reporting Period: April 2005

7. Design Electrical Rating (Net MWe): 1182

8. Maximum Dependable Capacity (Net MWe): 1140 This Month Yr.-to-Date Cumulative

5. Hours in Reporting Period 719 2879 177,192

6. Number of Hours Reactor Was Critical 626.66 2,198.6 154,878.4

7. Hours Generator On-Line 597.13 2,128.2 152,820.9

8. Unit Reserve Shutdown Hours 0 0 0

9. Net Electrical Energy Generated (MWH) 661,151 2,316,193 161,131,333 NOTES:

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Ut UNIT SHUTDOWNS DOCKET NO. 50-388 UNIT Two DATE 05110105 COMPLETED BY J. J. Hennings TELEPHONE (570) 542-3747 REPORT MONTH April 2005 No. Date Type Duration Reason Method of Cause & Corrective Action (Hours) 2 Shutting to Prevent Recurrence Down Reactor 3

2 4/10/05 F 67.01 A 2 Manual scram due to loss of a 125V DC battery charger.

The unit was returned to service on 4/13/05.

3 4/28/05 F 54.86 A 2 Manual scram due to the loss of electrical supply to Main Transformer cooling. The unit was returned to service on 4130105.

Summary: Two manual shutdowns were required in April. The 4110/05 shutdown was required because a 125V DC battery charger failed and could not be repaired in the short time required by Susquehanna's Technical Specifications. The electrical component impacting the charger was replaced and the unit was returned to service on 4/13/05.

The 4/28/05 shutdown was required to protect a main transformer from overheating due to the loss of the transformer cooling system electrical supply. An electrical short was repaired and the unit was returned to service on 4/30/05.

1. 2. 3.

F. Forced Reason: Method:

S. Scheduled A - Equipment Failure (Explain) I - Manual B - Maintenance or Test 2 - Manual Scram C - Refueling 3 - Automatic Scram D - Regulatory Restriction 4 - Continuation from previous month E - Operator Training & Licensee Exam 5 - Other F - Administrative G - Operational Error (Explain)

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SUSQUEHANNA STEAM ELECTRIC STATION Docket Number: 50-388 Date: 05/10/05 Completed by: J. J. Hennings Telephone: (570) 542-3747 Challenges to Main Steam Safety Relief Valves None.