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 (TAC No. MF0422)

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, RichardTo:"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 PMPhil,

The NRC staff has reviewed the information provided in the subject license amendmentrequest dated December 21, 2012 (Agencywide Documents Access and ManagementSystem Accession No. ML12362A041), and has determined that additional information isneeded to complete it's review of the proposed licensing basis change. Shown below arethe request for additional information (RAI) questions from the NRC's ComponentPerformance and Testing Branch (EPTB). To support the timely review and licensee'srequest date for approval of this application, we request that you provide a formalresponse 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 INFORMATIONREGARDING LICENSE AMENDMENT REQUEST TO CHANGETHE LICENSING BASIS FOR SATISFYING 10 CFR 50.63ENTERGY NUCLEAR OPERATIONS. INC.VERMONT YANKEE NUCLEAR POWER STATIONDOCKET NO. 50-271LICENSE NO. DPR-28 RAI-EPTB-1 Please confirm that the Station Blackout (SBO) diesel generator (DG) does nothave 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 theSBO 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 fueloil storage tank will be available using a portable tank or a temporaryconnection between the tanks, but there will be no permanent connectionsbetween the two storage tanks." If a portable tank is used, describe how fuel oil is transferred from the emergencydiesel generator (EDG) fuel oil storage tank to the portable tank and from theportable tank to the SBO DG fuel oil storage tank. If pumps are required, describehow they are powered. If a temporary connection between the storage tanks isused, provide a piping schematic showing where the connection is located in theexisting fuel oil piping.