ML13081A752

Vermont Yankee Nuclear Power Station - Email from R.Guzman to P.Couture Request for Additional Information for License Amendment Request to Change 10 CFR 50.63 Licensing Basis

ML13081A752
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	03/22/2013
From:	Guzman R V Plant Licensing Branch 1
To:	Couture P Entergy Nuclear Operations
Guzman R V
References
TAC MF0422
Download: ML13081A752 (2)

Text

From:Guzman, Richard To:"Couture III, Philip"

Subject:

Vermont Yankee - REQUEST FOR ADDITIONAL INFORMATION Re: License Amendment Request to Change 10CFR 50.63 Licensing Basis (TAC No. MF0422)

Date:Friday, March 22, 2013 6:52:47 PM

Phil,

The NRC staff has reviewed the information provided in the subject license amendment request dated December 21, 2012 (Agencywide Documents Access and Manag ement System Accession No. ML12362A041), and has determined that additional information is needed to complete it's review of the proposed licensing basis change. Shown below are the request for additional information (RAI) questions from the NRC's Component Performance and Testing Branch (EPTB). To support the timely review and licensee's request date for approval of this application, we request that you provide a formal response by April 30, 2013. Please contact me if you have any questions.

Thanks, Rich GuzmanSr. Project Manager NRR/DORL/LPL1-1US NRC301-415-1030 REQUEST FOR ADDITIONAL INFORMATION REGARDING LICENSE AMENDMENT REQUEST TO CHANGE THE LICENSING BASIS FOR SATISFYING 10 CFR 50.63 ENTERGY NUCLEAR OPERATIONS.

INC.VERMONT YANKEE NUCLEAR POWER STATION DOCKET NO. 50-271 LICENSE NO. DPR-28 RAI-EPTB-1 Please confirm that the Station Blackout (SBO) diesel generator (DG) does not have and does not require a fuel oil day tank.

RAI-EPTB-2 Describe how the fuel oil is transferred from the SBO DG fuel oil storage tank to the SBO DG.

RAI-EPTB-3 In section B.8(c) of the Reference, it is stated that: Capability to refill the SBO DG fuel oil storage tank from the onsite EDG fuel oil storage tank will be available using a portable tank or a temporary connection between the tanks, but there will be no permanent connections between the two storage tanks." If a portable tank is used, describe how fuel oil is transferred from the emergency diesel generator (EDG) fuel oil storage tank to the portable tank and from the portable tank to the SBO DG fuel oil storage tank. If pumps are required, describe how they are powered. If a temporary connection between the storage tanks is used, provide a piping schematic showing where the connection is located in the existing fuel oil piping.