ML18354A861

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Periodic Review Memo Re Regulatory Guide 1.89
ML18354A861
Person / Time
Issue date: 12/20/2018
From: Boyce T
NRC/RES/DE
To: Bernard Thomas
NRC/RES/DE
Eudy M
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Download: ML18354A861 (2)


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UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 December 20, 2018 MEMORANDUM TO: Brian E. Thomas, Director Division of Engineering Office of Nuclear Regulatory Research FROM: Thomas H. Boyce, Chief /RA/

Regulatory Guidance and Generic Issues Branch Division of Engineering Office of Nuclear Regulatory Research

SUBJECT:

RESULTS OF PERIODIC REVIEW OF REGULATORY GUIDE (RG) 1.89, ENVIRONMENTAL QUALIFICATION OF CERTAIN ELECTRIC EQUIPMENT IMPORTANT TO SAFETY FOR NUCLEAR POWER PLANTS This memorandum documents the US Nuclear Regulatory Commission (NRC) periodic review of Regulatory Guide (RG) 1.89, Revision 1, Environmental Qualification of Certain Electric Equipment Important to Safety for Nuclear Power Plants. This RG describes principles, methods, and procedures for qualifying, maintaining, and extending qualification of electric equipment important to safety for service in nuclear power plants, to ensure that the equipment can perform its safety function during and after a design basis accident. As discussed in Management Directive 6.6, Regulatory Guides, the NRC staff reviews RGs approximately every 10 years to ensure that the RGs continue to provide useful guidance. Documentation of the NRC staff review is enclosed.

Based on the results of the periodic review, the staff concludes that a revision to RG 1.89 Revision 1 is warranted. The draft RG revision will be submitted to the NRCs Regulatory Guidance and Generic Issues Branch in the Office of Nuclear Regulatory Research by the end of the 2nd quarter of fiscal year (FY) 2019, and is anticipated to be issued for public comment by the 4th quarter of FY19.

Enclosure:

As stated CONTACT: Thomas Koshy, RES/DE/ICEEB 301-415-2154

ML18354A856 OFFICE RES/ RES/ RES/ SUNSI RES/ RES/

DE/RGGIB DE/ICEEB DE/RGGIB Review DE/ICEEB DE/RGGIB NAME J. Parks T. Koshy M. Eudy M. Eudy R. Jenkins T. Boyce DATE 12/ 20 /18 12/ 19 /18 12/ 20 /18 12/ 20 /18 11/ 26 /18 12/ 20 /18