NG-11-0294, Emergency Response Data System (Eros) Changes

From kanterella
Jump to navigation Jump to search
Emergency Response Data System (Eros) Changes
ML112370071
Person / Time
Site: Duane Arnold NextEra Energy icon.png
Issue date: 08/25/2011
From: Wells P
NextEra Energy Duane Arnold
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
NG-11-0294
Download: ML112370071 (1)


Text

---I I

L __ _

I

~

August 25, 2011 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555-0001 Duane Arnold Energy Center Docket 50-331 Renewed Op. License No. DPR-49 Emergency Response Data System (EROS) Changes NEXTera M

ENERGY~

DUANE

~

ARNOLD NG-11-0294 10 CFR 50 Appendix E Pursuant to the requirements of 10 CFR 50, Appendix E, Section V1.3, "Maintaining Emergency Response Data System," NextEra Energy Duane Arnold, LLC is submitting this letter to inform the NRC of changes to the Duane Arnold Energy Center Emergency Response Data System (ERDS) link software scheduled to be implemented in September 2011.

These changes will involve a conversion from a dial-up modem based system to an 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 telecom on August 2, 2011.

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 at least 30 days prior to any hardware or software changes that could affect the transmission format or computer communication protocol to the EROS.

This letter contains no new commitments nor revises any previous commitments.

have an questions, please contact Steve Catron at (319) 851-7234.

~~"" ells Vice President, Duane-Arnold Energy Genter NextEra Energy Duane Arnold, LLC NextEra Energy Duane Arnold, LLC, 3277 DAEC Road, Palo, IA 52324