Document: NRC Regulatory Guide
Document ID: 43b9de94-a140-4f44-8c19-0129bc5e24b5
Document Type: regulatory_guide
Title: 02/1989
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0037/ML003740047.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.158
CFR Part: 
CFR Title: 

Content:
safety-related batteries to the extent practicable. IEEE Std 535-1986 references other standards that contain valuable information. Those referenced standards not endorsed by a regulatory guide or in corporated into the regulations, if used, are to be used in a manner consistent with current regulations. C. REGULATORY POSITION Conformance with the requirements of IEEE Std 535-1986, "IEEE Standard for Qualification of Class 1E Lead Storage Batteries for Nuclear Power Gener ating Stations," provides an acceptable method for satisfying the Commission's regulations with respect to qualification of safety-related lead storage batteries for nuclear power plants, subject to the following: Replacement batteries installed subsequent to Feb ruary 28, 1989, should be qualified in accordance with the provisions of IEEE Std 535-1986 unless there are sound reasons to the contrary. The NRC staff considers the following to be sound rea sons for the use of previously qualified batteries in lieu of upgrading: (a) A purchase order for the identical batteries to be used for replacement was issued prior to February 28, 1989. (b) Replacement batteries qualified in accor dance with the provisions of IEEE Std 535-1986 are not available to meet installa tion and operation schedules. However, in such cases, the previously qualified batteries may be used no longer than the design life of the batteries after the upgraded batteries be come available from the manufacturer. D. IMPLEMENTATION The purpose of this section is to provide informa tion to applicants and licensees regarding the NRC staff's plans for using this regulatory guide. Except in those cases in which the applicant or licensee proposes an acceptable alternative method for complying with specified portions of the Commis sion's regulations, the methods described herein will be used in the evaluation of the qualification of safety-related lead storage batteries for the following nuclear power plants: 1. Plants for which the