RS-03-189, Withdrawal of Request for License Amendment to Eliminate Main Steam Isolation Valve Closure and Low Condenser Vacuum Scram Functions During Startup Mode

Withdrawal of Request for License Amendment to Eliminate Main Steam Isolation Valve Closure and Low Condenser Vacuum Scram Functions During Startup Mode

ML032810614
Person / Time
Site:	Dresden
Issue date:	10/01/2003
From:	Simpson P Exelon Generation Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
RS-03-189
Download: ML032810614 (1)

Text

Exelnm Exelon Generation www.exeloncorp.com 4300 Winfield Road Nuclear Wanrenville, IL 60555 RS-03-189 October 1, 2003 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Dresden Nuclear Power Station, Units 2 and 3 Facility Operating License Nos. DPR-19 and DPR-25 NRC Docket Nos. 50-237 and 50-249

Subject:

Withdrawal of Request for License Amendment to Eliminate Main Steam Isolation Valve Closure and Low Condenser Vacuum Scram Functions During Startup Mode

Reference:

Letter from T. W. Simpkin (Exelon Generation Company, LLC) to U. S. NRC, "Request for License Amendment to Eliminate Main Steam Isolation Valve Closure and Low Condenser Vacuum Scram Functions During Startup Mode,"

dated December 20, 2002 In the referenced letter, Exelon Generation Company, LLC (EGC) requested an amendment to Facility Operating License Nos. DPR-19 and DPR-25 for the Dresden Nuclear Power Station (DNPS), Units 2 and 3. The proposed amendment would have revised the applicability of Technical Specification (TS) 3.3.1.1, Reactor Protection System (RPS)

Instrumentation," Function 5 (i.e., Main Steam Isolation Valve - Closure) and Function 10 (i.e., Turbine Condenser Vacuum - Low) to eliminate the requirement for these functions to be operable while in Mode 2 with reactor pressure greater than or equal to 600 psig. The proposed amendment would have also deleted Required Action F.2 of TS 3.3.1.1 to align with the revised applicability for Functions 5 and 10.

EGC, after recent discussions with the NRC, has decided to withdraw the proposed amendment following a reassessment of its potential benefit. As such, a response to the NRC's request for additional information received on July 15, 2003, will not be provided.

If you have any questions or require additional information, please contact Mr. Kenneth M. Nicely at (630) 657-2803.

Re pectfully, OLR.

Patrick R. Simpson Manager - Licensing cc: Regional Administrator - NRC Region IlIl NRC Senior Resident Inspector - Dresden Nuclear Power Station -P-b~ol Office of Nuclear Facility Safety - Illinois Department of Nuclear Safety