ML13308A316

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Duane Arnold Energy Center - Additional Information to Support Regulatory Conference (EA-13-182)
ML13308A316
Person / Time
Site: Duane Arnold NextEra Energy icon.png
Issue date: 10/29/2013
From: Anderson R L
NextEra Energy Duane Arnold
To:
Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML13308A274 List:
References
EA-13-182, NG-1 3-0408
Download: ML13308A316 (2)


Text

NEXTeraMENEROY'...ýAR NOLDOctober 29, 2013NG-1 3-0408U. S. Nuclear Regulatory Commission ATTN: Document Control DeskWashington, DC 20555-0001 Duane Arnold Energy CenterDocket No. 50-331Renewed Op. License No. DPR-49Additional Information to Support Regulatory Conference (EA-13-182)

References:

1) EA-1 3-182, "Duane Arnold Energy Center -NRC Follow-up Inspection Report 05000331/2013010; Preliminary WhiteFinding,"

Dated September 30, 20132) Letter, R. Anderson (NextEra Energy Duane Arnold, LLC) toU. S. NRC, "Request for Regulatory Conference (EA-13-182),"

NG-13-0391, dated October 9, 2013In Reference 1 above, your staff transmitted the results of an inspection of aMarch 8, 2013 failure of the 'A' Standby Diesel Generator lube oil heat exchanger gasket. The inspection identified a finding that was determined preliminarily to bea significance of White. In Reference 2 above, NextEra Energy Duane Arnold,LLC (NextEra) requested a regulatory conference to present NextEra's perspective on the facts, assumptions, and significance regarding the proposedfinding.

In accordance with Inspection Manual Chapter (IMC) 0609, Significance Determination

Process, this letter transmits additional information to beconsidered when determining the significance of the finding.

If you have anyquestions or require additional information, please contact Mike Davis, ManagerLicensing and Emergency Planning at 319-851-7032.

This letter contains no new regulatory commitments.

Vice President, Duane Arnold Energy CenterNextEra Energy Duane Arnold, LLCEnclosure cc: Regional Administrator, USNRC, Region IIIResident Inspector, USNRC, Duane Arnold Energy CenterProject Manager, USNRC, Duane Arnold Energy CentergAlNextEra Energy Duane Arnold, LLC, 3277 DAEC Road, Palo, IA 52324 ENCLOSURE NextEra Energy Duane Arnold, LLCAdditional Information to Support Regulatory Conference (EA-13-182)