BYRON 2002-0038, Notification of Modification Completion in Support of License Amendment to Revise Technical Specification Requirements Associated with the Boron Dilution Protection System

Notification of Modification Completion in Support of License Amendment to Revise Technical Specification Requirements Associated with the Boron Dilution Protection System

ML021680437
Person / Time
Site:	Byron
Issue date:	05/17/2002
From:	Lopriore R Exelon Generation Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
BYRON 2002-0038
Download: ML021680437 (3)

Text

Exelon Exelon Generation Company, LLC www.exeloncorp.com Nucl ear Byron Station 4450 North German Church Road Byron, IL 61010-9794 May 17, 2002 LTR: BYRON 2002-0038 File: 1.10.0101 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001 Byron Station, Unit 1 and Unit 2 Facility Operating License Nos. NPF-37 and NPF-66 NRC Docket Nos. STN 50-454 and STN 50-455

Subject:

Notification of Modification Completion in Support of License Amendment to Revise Technical Specification Requirements Associated with the Boron Dilution Protection System (BDPS)

References:

1) Letter from M. Chawla (USNRC) to 0. D. Kingsley (Exelon Generation Company, LLC), "Issuance of Amendments (TAC Nos. MA9385, MA9386, MA9383, and MA9384)," dated April 6, 2001

2) Letter from Richard P. Lopriore (Exelon Generating Company, LLC) to USNRC, "Notification of Modification Completion in Support of License Amendment to Revise Technical Specification Requirements Associated with the Boron Dilution Protection System," dated June 4 2001 In reference 1, you requested notification of the completion of the BDPS modifications for each unit. In reference 2, we notified you in June 2001 of the completion of the modifications for Byron Station, Unit 2. This letter is notification of the completion of the modifications for Byron Station Unit 1. These modifications consist of two redundant Volume Control Tank (VCT) high level alarms and two new alarm annunciator windows in the Main Control Room titled "Boron Dilution Alert Channel A," and "Boron Dilution Alert Channel B." The Channel A alarm has inputs from the new VCT high level alarm and a new Reactor Coolant System letdown divert valve (i.e., 2CV1 12A) position indication. The Channel B alarm has inputs from the new VCT high level alarm and the existing neutron flux doubling channels.

April 5, 2002 U.S. Nuclear Regulatory Commission Page 2 Should you have any questions concerning this letter, please contact Mr. William Grundmann, Regulatory Assurance Manager, at (815) 406-2800.

Rsectf ully Richard P. Lopri Site Vice President Byron Nuclear Generating Station RPL/JL/dpk cc: Regional Administrator - NRC Region III NRC Project Manager - NRR - Byron Station NRC Senior Resident Inspector - Byron Station Office of NRC Nuclear Facility Safety - Illinois Department of Nuclear Safety

bcc: Manager of Energy Practice - Winston & Strawn Site Vice President - Byron Station Vice President - Licensing & Regulatory Affairs Director - Licensing Manager, Licensing and Compliance - Braidwood & Byron Stations Regulatory Assurance Manager - Byron Station Exelon Document Control Desk Licensing (Hard Copy)

Exelon Document Control Desk Licensing (Electronic Copy)