Regulatory Guide 1.129

Maintenance, Testing and Replacement of Large Lead Storage Batteries for Nuclear Power Plants

ML003740104
Person / Time
Issue date:	02/28/1978
From:	Office of Nuclear Regulatory Research
To:
References
RG-1.129, Revision 1
Download: ML003740104 (2)

Revision 1 February 1978 U.S. NUCLEAR REGULATORY COMMISSION

REGULATORY GUIDE

OFFICE OF STANDARDS DEVELOPMENT

REGULATORY GUIDE 1.129 MAINTENANCE, TESTING, AND REPLACEMENT OF LARGE LEAD

STORAGE BATTERIES FOR NUCLEAR POWER PLANTS

A. INTRODUCTION

by the Working Group on Batteries, Station Design Criterion 18, "Inspection and Testing of Electric Subcommittee, of the Power Generation Committee Power Systems." of Appendix A, "General Design and was approved by the Institute -of Electrical and Criteria for Nuclear Power Plants." to 10 CFR Part Electronics Engineers Standards Board on February

50, 'Licensing of Production and Utilization 27, 1975. It was subsequently approved and desig Facilities.' " requires that electric power systems im nated N41.15-1976 by the American National Stand portant to safety be designed with a capability to test ards Institute on January 8, 1976.

periodically the operability and functional perform ance of the components of the systems. such as on The provisions of the standard include mainte site power sources. Criterion X1, "Test Control," of nance, test schedules, testing procedures, and re Appendix B, "'Quality Assurance Criteria for Nuclear placement criteria for large lead storage batteries.

Power Plants and Fuel Reprocessing Plants," The standard does not include surveillance and test

10o0

CFR Part 50 requires that a test program be estab ing of the d.c. system, even though the battery is part lished tc ensure that all testing required to demon of that system. This standard contains requirements strate that structures, systems, and components will indicated by the verb "shall" and recommendations perform satisfactorily in service is identified and per indicated by the verb "should." The recommenda formed in accordance with Aritten test procedures tions as well as the requirements of the standard were that incorporate the requirements and acceptance lim evaluated with respect to importance to safety. All its contained in applicable design documents. Para recommendations are considered to be of sufficient graph 50.34(b)(6) of 10 CFR Part 50 requires that the importance to safety to be endorsed along with the final safety analysis report include, among other requirements given in the standard.

things, plans for conduct of normal operations. in cluding maintenance, surveillance, and periodic tpst

C. REGULATORY POSITION

ing of structures, systems, and components. This regulatory guide describes a method acceptable to the Conformance with the requirements and recom NRC staff for performing the maintenance, testing, mendations for the maintenance, testing. and re and repiacement of large lead storage batteries for all placement of large lead storage batteries for nuclear types o: nuclear power plants. The Adisory Commit power plants that are specified by IEEE Std 450

tee on Reactor Safeguards has been consulted con 1975. "IEEE Recommended Practice for Mainte cerning this guide and has concurred in the regulatory nance, Testing and Replacement of Large Lead Stor position. age Batteries for Generating Stations and Substa tions, provides an adequate basis for complying

B. DISCUSSION

with the requirements of the Commission's regula IEEE Std 450-1975. "IEEE Recommended Prac tions with respect to the maintenance, testing. and tice for Maintenance. Testing and Replacement of replacement of large lead storage batteries, subject to Large Lead Storage Batteries for Generating Stations the following:

and Substations," dated May 29, 1975, was prepared

'Copies niMy be obtained from the Institute of Electrical and

• Lines indicate substantive changes from previous issue. Electronics Engineers, United Engineering Center, 345 East

47th Street, New York, New York 10017.

USNRC REGULATORY GUIDES Comments should be sent to the Secretary of the Comnission Regu:atory Guides are issued to describe and rake avwlabic to US Nuclea, Ra,,

the public method latory Commission Washington. 0 C 20555. Attention Dockelng and Ser,*

acceotable to the NRC staff of implernnting speci.

regiiations *o delineate lechnilques usd bv the staff Darts of the Commissio's Branch in eva:ualing spýeific protleecs The guidesare issued in the followsirng ten broaJ divisions or postulated accidents, or to provide guidance tc app..can-n Regulatory Guides are nOt subsitutes for regulatons. and compliance w-it them is not rteuired 1. Power Reactors Methods and solutions different from th.Sf se! O< i, 6 Products Ihi guides will be accept 2 Research ard Test Reactors ah if they provide a basts to. the findings reourste to tic 7. Transportaior issiurici or continuance 3 Fuets and Materials Facilities or a peri or license by the Cornmi-t-, 8. Occupationa, Hteatr,

4. Enironmdental andSitrng 9. Antitrust Revit.*

5 Materials and Plant Protection 10 General Comments and suggestions for improve*ments in these guides are encouraged at at! Requests for single copies of issued guides twhief may times ano gLi es will be revised. as appropriate, to accommodate be reproducedI or lor la comment,. ano Reenston an automaltc distiebuon list for single copies to refi

e. ntc

- . niormation or experience This guide wal -re.wseoss Of futureOuidesor Iiaert rea divisions sould be made in writing To ubsirlhv comn-er-t received from the publ US Nucpar Reoqlarou i Coi mss.,

• he an a 1,'ona staff reuiea. Washington CC 20555, Attention Director. Divisison r Docuriuni Cuirro,

I. The battcry ser\ ice test discussed in Subsection standards has been or will be covered separately in

4.3, "Service.I and described in Subsection 5.6, other regulatory guides, where appropriate.

"Service Test Description," should be performed in J*

addition to the battery performance discharge tes

D. IMPLEMENTATION

The battery service test should be performed during The purpose of this section is to provide informa refueling operations or at some other outage, with tion to applicants and licensees regarding the NRC.

"intervals between tests not to exceed 18 months. In staff's plans for using this regulatory guide.

addition, if the system design is changed so that the This guide reflects current NRC staff practice.

previous service test is no longer a valid test of the Therefore, except in those cases in which the appli capability of the battery to meet the changed design cant or licensee proposes an acceptable alternative requirements of the system, the user should conduct method for complying with specified portions of the the service test for the new system design.

Commission's regulations, the method described herein is being and will continue to be used in the evaluation of submittals in connection with construc

2. Section 8. "Standards References," of IEEE tion permit applications until this guide is revised as Std 450-1975 lists additional standards. The specific a result of suggestions from the public or additional applicability or acceptability of these referenced staff review.