NRC 2009-0059, Response to Request for Additional Information GSI-I91/GL 2004-02 Potential Lmpact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized Water Reactors

Response to Request for Additional Information GSI-I91/GL 2004-02 Potential Lmpact of Debris Blockage on Emergency Recirculation During Design Basis Accidents at Pressurized Water Reactors

ML091810215
Person / Time
Site:	Point Beach
Issue date:	06/29/2009
From:	Jim Costedio Point Beach
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
GL-04-02, GSI-191, NRC 2009-0059, TAC MC4705, TAC MC4706
Download: ML091810215 (2)

Text

June 29,2009 NRC 2009-0059 GL 2004-02 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555 Point Beach Nuclear Plant, Units Iand 2 Dockets 50-266 and 50-301 Renewed License Nos. DPR-24 and DPR-27 Res~onseto Reauest for Additional lnformation GSI-I 91/GL 2004-02 (TAC NOS. MC470514706)

Potential l m ~ a cof t Debris Blockage on Emergencv Recirculation During Design Basis Accidents at Pressurized Water Reactors

References:

(1) NRC Letter to FPL Energy Point Beach Nuclear Plant Units 1 and 2 GSI-1911GL 2004-02, Request for Additional lnformation (TAC NOS. MC470514706), dated January 7,2009 (ML083300173)

(2) Teleconference held between NRC and NextEra Energy Point Beach on June 22,2009 Reference (1) is a request for additional information ( M I ) based upon NRC staff reviews of submittals made by NextEra Energy Point Beach associated with Generic Letter (GL) 2004-02.

During a June 22, 2009, teleconference (Reference 2), the NRC staff determined that an additional question was necessary in addition to the questions transmitted per Reference (1).

The additional question is as follows:

Question 25 Please provide an evaluation for the potential of deaeration of the sump fluid as it passes through the debris bed on the strainer. If deaeration can occur, please evaluate fhe effect that this can have on required net positive suction head on pumps taking suction from the sump as described in Reg Guide 1.82, Rev. 3, Appendix A.

The purpose of this letter is to confirm that the original due date of June 30, 2009, for submittal of the response to RAI has been revised to July 31, 2009.

NextEra Energy Point Beach, LLC, 6610 Nuclear Road, Two Rivers, WI 54241

Document Control Desk Page 2 If you have questions or require additional information, please contact me at 9201'755-7427.

Very truly yours, NextEra Energy Point Beach, LLC

~,wg!a James Costedio Licensing Manager cc: Administrator, Region Ill, USNRC Project Manager, Point Beach Nuclear Plant, USNRC Resident Inspector, Point Beach Nuclear Plant, USNRC PSCW