ML110210024

Palo Verde Nuclear Generating Station - Emergency Response Data System (ERDS) Changes

ML110210024
Person / Time
Site:	Palo Verde
Issue date:	01/11/2011
From:	Weber T N Arizona Public Service Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
102-06304-TNW/DFS
Download: ML110210024 (2)

Text

10 CFR 50, Appendix E LAFIA subsidiary of Pinnacle West Capital Corporation.

Thomas N. Weber Department Leader Regulatory Affairs Tel, 623-393-5764 Mail Station 7636 Palo Verde Nuclear Fax 023-393-8442 PO Box 52034 Generating Station eo-mall Thomas.Weber2LWg gap§cm Phoenix, Arizona 06072-2034 102-06304-TNW/DFS January 11,2011 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001

Subject:

Palo Verde Nuclear Generating Station (PVNGS)Units 1, 2 and 3 Docket Nos. STN 50-528, 50-529, and 50-530 Emergency Response Data System (ERDS) Changes Pursuant to the requirements of 10 CFR 50, Appendix E, Section VI.3, "Maintaining the Emergency Response Data System," Arizona Public Service Company (APS) is submitting this letter to inform the NRC of changes to the PVNGS Emergency Response Data System (ERDS) link software scheduled to be implemented in February 2011.These changes will involve a conversion from a dial-up modem based system to a more reliable internet based system using a plant information server and NRC supplied Virtual Private Network (VPN) appliance.

The NRC ERDS Resource desk was notified of this change via email dated April 2, 2010.During implementation of this change, the existing ERDS link will remain available and will not affect the plant's ability to activate the existing ERDS link if required.This information is being provided for compliance with 10 CFR 50, Appendix E, Section VI.3.b, which requires notification 30 days prior to any hardware or software changes that could affect the transmission format or computer communication protocol to the ERDS.No commitments are being made to the NRC by this letter. Should you need further information regarding this notification, please contact Russell A. Stroud, Licensing Section Leader, at (623) 393-5111.Sincerely, A member of the STARS (Strategic Teaming and Resource Sharing) Alliance Callaway *Comanche Peak *Diablo Canyon

• Palo Verde o San Onofre

• South Texas 0 Wolf Creek ,0 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Emergency Response Data System (ERDS) Changes Page 2 TNW/RAS/DFS/gat cc: E. E. Collins Jr.J. R. Hall L. K. Gibson M. A. Brown NRC Region IV Regional Administrator NRC NRR Senior Project Manager NRC NRR Project Manager NRC Senior Resident Inspector for PVNGS