ML042890166

Request for Additional Information, Regarding Emergency Diesel Generator Surveillance Testing

ML042890166
Person / Time
Site:	Peach Bottom
Issue date:	10/29/2004
From:	George Wunder NRC/NRR/DLPM/LPD1
To:	Crane C Exelon Generation Co, Exelon Nuclear
Wunder G, NRR/DLPM, 415-1494
References
TAC MC3593, TAC MC3594
Download: ML042890166 (5)

Text

October 29, 2004 Mr. Christopher M. Crane, President and Chief Nuclear Officer Exelon Nuclear Exelon Generation Company, LLC 200 Exelon Way, KSA 3-E Kennett Square, PA 19348

SUBJECT:

PEACH BOTTOM ATOMIC POWER STATION, UNITS 2 AND 3 - REQUEST FOR ADDITIONAL INFORMATION (RAI) REGARDING EMERGENCY DIESEL GENERATOR SURVEILLANCE TESTING (TAC NOS. MC3593 AND MC3594)

Dear Mr. Crane:

By letter dated June 15, 2004, Exelon Generation Company, LLC, submitted a request proposing to revise Technical Specification Surveillance Requirements (SRs) for 3.8.1.3 (monthly diesel surveillance test), SR 3.8.1.10 (diesel full load rejection test), SR 3.8.1.14b (diesel 24-hour run test), and SR 3.8.1.15 (diesel hot restart test) to permit these tests to be run at a higher load up to 2800 kW. In order to continue our review of your request, the Nuclear Regulatory Commission staff requires the additional information described in the enclosure.

The enclosed RAI was forwarded electronically to Mr. Thomas Loomis of your staff on October 27, 2004. Please provide a schedule for your responses at your earliest opportunity.

Sincerely,

/RA/

George F. Wunder, Project Manager, Section 2 Project Directorate I Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket Nos. 50-277 and 50-278

Enclosure:

RAI cc w/encl: See next page

October 29, 2004 Mr. Christopher M. Crane, President and Chief Nuclear Officer Exelon Nuclear Exelon Generation Company, LLC 200 Exelon Way, KSA 3-E Kennett Square, PA 19348

SUBJECT:

PEACH BOTTOM ATOMIC POWER STATION, UNITS 2 AND 3 - REQUEST FOR ADDITIONAL INFORMATION (RAI) REGARDING EMERGENCY DIESEL GENERATOR SURVEILLANCE TESTING (TAC NOS. MC3593 AND MC3594)

Dear Mr. Crane:

By letter dated June 15, 2004, Exelon Generation Company, LLC, submitted a request proposing to revise Technical Specification Surveillance Requirements (SRs) for 3.8.1.3 (monthly diesel surveillance test), SR 3.8.1.10 (diesel full load rejection test), SR 3.8.1.14b (diesel 24-hour run test), and SR 3.8.1.15 (diesel hot restart test) to permit these tests to be run at a higher load up to 2800 kW. In order to continue our review of your request, the Nuclear Regulatory Commission staff requires the additional information described in the enclosure.

The enclosed RAI was forwarded electronically to Mr. Thomas Loomis of your staff on October 27, 2004. Please provide a schedule for your responses at your earliest opportunity.

Sincerely,

/RA/

George F. Wunder, Project Manager, Section 2 Project Directorate I Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket Nos. 50-277 and 50-278

Enclosure:

RAI cc w/encl: See next page DISTRIBUTION:

PUBLIC PDI-2 R/F DCollins GWunder TTate DLPM DPR MOBrien ACRS GMatakas, RI OGC GMorris RJenkins ADAMS NO: ML042890166 *No concurrence necessary per phone call with PM OFFICE PDI-2/PM PDI-2/LA PDI-2/SC NAME GWunder MOBrien DCollins DATE 10/28/04 10/28/04 10/28/04 OFFICIAL RECORD COPY

REQUEST FOR ADDITIONAL INFORMATION PEACH BOTTOM ATOMIC POWER STATION, UNITS 2 AND 3 REGARDING EMERGENCY DIESEL GENERATOR TESTING The license amendment request (LAR) indicated that the continuous rating for the Peach Bottom emergency diesels generator is 2600 kW and the 2000 hour0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br /> rating is 3000 kW. The LAR stated that running the diesels above the continuous rating, up to 2800 kW, has been discussed with the original equipment manufacturer, Fairbanks Morse. The LAR also indicated that the increased rate of wear in the diesel considering the operating time of no greater than 400 hours0.00463 days <br />0.111 hours <br />6.613757e-4 weeks <br />1.522e-4 months <br /> in the 2000 hour0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br /> rating operating range, coupled with the Peach Bottom EDG post-accident mission time, is expected to be well within the capability of the machine.

Please identify the Peach Bottom EDG post-accident mission time and describe the EDG design loading during that time.

Peach Bottom Atomic Power Station, Units 2 and 3 cc:

Vice President, General Counsel and Rich Janati, Chief Secretary Division of Nuclear Safety Exelon Generation Company, LLC Bureau of Radiation Protection 300 Exelon Way Department of Environmental Protection Kennett Square, PA 19348 Rachel Carson State Office Building P.O. Box 8469 Site Vice President Harrisburg, PA 17105-8469 Peach Bottom Atomic Power Station Exelon Generation Company, LLC Board of Supervisors 1848 Lay Road Peach Bottom Township Delta, PA 17314 545 Broad Street Ext.

Delta, PA 17314-9203 Plant Manager Peach Bottom Atomic Power Station Mr. Richard McLean Exelon Generation Company, LLC Power Plant and Environmental 1848 Lay Road Review Division Delta, PA 17314 Department of Natural Resources B-3, Tawes State Office Building Regulatory Assurance Manager Annapolis, MD 21401 Peach Bottom Atomic Power Station Exelon Generation Company, LLC Dr. Judith Johnsrud 1848 Lay Road National Energy Committee Delta, PA 17314 Sierra Club 433 Orlando Avenue Resident Inspector State College, PA 16803 U.S. Nuclear Regulatory Commission Peach Bottom Atomic Power Station Manager-Financial Control & Co-Owner P.O. Box 399 Affairs Delta, PA 17314 Public Service Electric and Gas Company P.O. Box 236 Regional Administrator, Region I Hancocks Bridge, NJ 08038-0236 U.S. Nuclear Regulatory Commission 475 Allendale Road Manager Licensing-Limerick and Peach King of Prussia, PA 19406 Bottom Exelon Generation Company, LLC Mr. Roland Fletcher Nuclear Group Headquarters Department of Environment Correspondence Control Radiological Health Program P.O. Box 160 2400 Broening Highway Kennett Square, PA 19348 Baltimore, MD 21224 Correspondence Control Desk Exelon Generation Company, LLC 200 Exelon Way, KSA 1-N-1 Kennett Square, PA 19348

Peach Bottom Atomic Power Station, Units 2 and 3 cc:

Director - Licensing Mid-Atlantic Regional Operating Group Exelon Generation Company, LLC Nuclear Group Headquarters Correspondence Control P.O. Box 160 Kennett Square, PA 19348 Vice President-Licensing and Regulatory Affairs Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555 Senior Vice President Mid-Atlantic Regional Operating Group Exelon Generation Company, LLC 200 Exelon Way, KSA 3-N Kennett Square, PA 19348 Senior Vice President, Nuclear Services Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555 Vice President, Mid-Atlantic Operations Support Exelon Generation Company, LLC 200 Exelon Way, KSA 3-N Kennett Square, PA 19348 Manager License Renewal Exelon Generation Company, LLC 200 Exelon Way Kennett Square, PA 19348