Document: NRC Regulatory Guide
Document ID: c07843ce-fb70-4e28-ba72-7f6eaee2562d
Document Type: regulatory_guide
Title: Qualification of Continuous Duty Safety-Related Motors for Nuclear Power Plants + HISTORY - HISTORY DG-1150 , Proposed Revision 1, published 8/2009 (Rev. 1)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0912/ML091200454.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.40
CFR Part: 
CFR Title: 

Content:
ualification of continuous duty safety- related motors. IEEE Standard 334-2006 references several industry codes and standards. If the NRC’s regulations separately incorporate a referenced standard, licensees and applicants must comply with the standard as set forth in the regulations. By contrast, if the NRC staff has endorsed a referenced standard in a regulatory guide, that standard constitutes an acceptable method of meeting a regulatory requirement as described in the regulatory guide. D. IMPLEMENTATION The purpose of this section is to provide information to applicants and licensees regarding the NRC’s plans for using this draft regulatory guide. The NRC does not intend or approve of a backfit in connection with its issuance. The NRC has issued this draft guide to encourage public participation in its development. The NRC will consider all public comments received in development of the final guidance document. In some cases, applicants or licensees may propose an alternative or use a previously established acceptable alternative method for complying with specified portions of the NRC’s regulations. Otherwise, the methods described in this guide will be used in evaluating compliance with the applicable regulations for license applications, license amendment applications, and amendment requests. REGULATORY ANALYSIS Statement of the Problem The nuclear industry has used IEEE Standard 334-1971, “Trial Use Guide for Type Tests of Continuous Duty Class 1 Motors Installed inside the Containment of Nuclear Power Generating Stations,’ (Ref. 4), for qualification of safety-related motors since issuance of the standard in 1971. IEEE revised this standard and issued it 1974 & 1994 as, “IEEE Standard For Type Tests Of Continuous Duty Class 1E Motors For Nuclear Power Generating Stations.” The NRC staff has previously endorsed the trial guide (IEEE Std 334-1971) in March 1973, as Regulatory Guide 1.40. However, over the ensuing years, the staff has been