ML15232A700
| ML15232A700 | |
| Person / Time | |
|---|---|
| Site: | Dresden, Quad Cities, LaSalle  |
| Issue date: | 08/31/2015 |
| From: | Blake Purnell Plant Licensing Branch III |
| To: | Bryan Hanson Exelon Generation Co |
| Blake Purnell, NRR/DORL | |
| References | |
| TAC MF5471, TAC MF5472, TAC MF5473, TAC MF5474, TAC MF5475, TAC MF5476 | |
| Download: ML15232A700 (3) | |
Text
UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 Mr. Bryan C. Hanson Senior Vice President Exelon Generation Company, LLC President and Chief Nuclear Officer Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555 August 31, 2015
SUBJECT:
DRESDEN NUCLEAR POWER STATION, UNITS 2 AND 3; LASALLE COUNTY STATION, UNITS 1AND2; QUAD CITIES NUCLEAR POWER STATION, UNITS 1AND2-REQUEST FOR ADDITIONAL INFORMATION REGARDING LICENSE AMENDMENT REQUEST TO ADD TECHNICAL SPECIFICATION FOR INSERVICE LEAKAND HYDROSTATIC TESTING OPERATION (TAC NOS. MF5471-MF5476)
Dear Mr. Hanson:
By application dated December 22, 2014 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML14357A085), Exelon Generation Company, LLC submitted a license amendment request for Dresden Nuclear Power Station, Units 2 and 3, LaSalle County Station, Units 1 and 2, and Quad Cities Nuclear Power Station, Units 1 and 2, to add a technical specification for inservice leak and hydrostatic testing operation. The U.S. Nuclear Regulatory Commission staff is reviewing the application and has determined that additional information is needed to complete its review.
A response to the enclosed request for additional information is to be provided within 30 days from the date of this letter. Should you have any questions, please contact me at 301-415-1380 or by email at blake.purnell@nrc.gov.
Docket Nos. 50-237, 50-249, 50-373, 50-37 4, 50-254, and 50-265
Enclosure:
Request for Additional Information cc w/encl: Distribution via Listserv Sincerely, iJ I-- I.A/1-1 Blake Purnell, Project Manager Plant Licensing 111-2 and Planning and Analysis Branch Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation
REQUEST FOR ADDITIONAL INFORMATION LICENSE AMENDMENT REQUEST TO ADD TECHNICAL SPECIFICATION FOR INSERVICE LEAK AND HYDROSTATIC TESTING OPERATION DRESDEN NUCLEAR POWER STATION, UNITS 2 AND 3 LASALLE COUNTY STATION, UNITS 1 AND 2 QUAD CITIES NUCLEAR POWER STATION, UNITS 1 AND 2 DOCKET NOS. 50-237, 50-249, 50-373, 50-374, 50-254, and 50-265 By application dated December 22, 2014 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML14357A085), Exelon Generation Company, LLC submitted a license amendment request for Dresden Nuclear Power Station, Units 2 and 3, LaSalle County Station, Units 1 and 2, and Quad Cities Nuclear Power Station, Units 1 and 2, to add a technical specification (TS) for inservice leak and hydrostatic testing operation. The U.S.
Nuclear Regulatory Commission staff is reviewing the submittal and has determined that the additional information below is needed to complete its review.
RAl-1 The inservice leak and hydrostatic testing, as well as control rod scram time testing, are performed at high pressure. The TSs require the high pressure coolant injection (or high pressure core spray) and the automatic depressurization system to be operational in Mode 3 at high pressures. This amendment request proposes to relax the TS requirements that apply in Mode 3, including the requirement that these systems be operable, during this testing. Explain why these systems are not needed to mitigate a potential accident if it were to occur at the high pressure conditions required for the testing.
Enclosure
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