ML19221A942
| ML19221A942 | |
| Person / Time | |
|---|---|
| Issue date: | 02/28/1978 |
| From: | NRC OFFICE OF STANDARDS DEVELOPMENT |
| To: | |
| References | |
| REGGD-01.129, REGGD-1.129, NUDOCS 7907110155 | |
| Download: ML19221A942 (2) | |
Text
Revision 1 February 1978 9
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U.S. NUCLEAR REGULATORY COMMISSION
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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 Subcommittee, of the Power Generation Committee Criterion 18, " Inspection and Testing of Electric Power Sy stems, of Appendix A " General Design and was approsed 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 approsed and desig-nated N41.15-1976 by the American National Stand-Facilities,' requires that electric power sy stems im.
portant to safety be designed with a capability to test ards Institute on January 8,1976.
periodically the operability and functional perform-The prosisions of the standard include mainte-ance of the components of the systems, such as on nance, test schedules, testing procedures, and re-site power sources. Criterion XI, ' Test Control, ' of placement criteria for large lead storage batteries.
Appendix B, " Quality Assurance Criteria for Nuclear The standard does not include surseillance and test-Power Plants and Fuel Reprocessing Plants. to 10 ing of the d.c. sy stem, esen though the battery is part CFR Part 50 requires that a test program he estab-of that ssstem This standard con ains requirements
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lished to ensure that all testing required to demon-indicated bs the serb *shall' and recommendations strate that structures. sy stems, and components will indicated b$ the serb 'should.
The recommenda-perform satisfactorily in sersice is identified and per-tions as wel'1 as the requirements of the standard were formed in accordance with written test procedures evaluated with respect to importance to safety. All that incorporate the requirements and acceptance lim-recommendations are considered to be of suf ficient its contained in applicable design documents. Para-importance to saf ety to be endorsed along with the graph 50 34(bH6) of 10 Cf R Part 50 requires that the requirements pnen in the standard.
final safety analysis report include, among other things, plans for conduct of normal operations.in-ciuding maintenance, surseillance, and periodic test.
C, REGULATORY POSITION ing of structures, sy stems, and u.mponents. This Conformance with the requirements and recem-regulatory guide describes a method aceptable to the mendations for the maintenance, tes:ing, anJ re-NRC staf f for performing the maintenare:c, testing, placement of large lead storage batteries for nucinr ard replacement of large lead storage batter. s for all power plants that are specified bs IEEE Std 450-types of nuclear power plants. The Adsisory Cemit-
- ig73, lEEE Recommended Practice for Mainte-tee on Reactor Safeguards has been consulted con-nance, Testing and Replacement of Large Lead Stor-cerning this guide and has concurred in the regulatory age Betteries for Generating Stations and Substa-l position.
tions, provides an adequate basis for complying with the requirements of the Commission's regula-B. DISCUSSION tions with respect to the maintenance, testing, and IEEE Std 450-1975
'I E F' Recommendul Prac-reph cement of large lead storage batteries, subject to tiee for Maintenance. Testing and Replacement of the f ollowing.
Large Lead Storage Batteries for Generating Stations and Substations, dated May 29, 1975, was prepared c,es %se aionca nom the Institute of f le trs.1.i.a Lh tirona s I ngineers, t ~nited Lo gineenng Center. 145 f.nr
- Lines indnate substantive changes trorn preuous ime 4'th Stree.. s e w 't o r k. N e w Wrk IN17 USNRC REGULATORY GUlOES cc
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- 1. The battery service test discussed in Subsection standards has been or will be cosered separately in 4.3, " Service," and described in Subsection 5.6, other regulatory guides, w here appropri 'e.
" Service Test Description, ' should be performed in addition to the battery performance discharge test.
D. IMPLEMENTATION The battery service test should be performed during The purpose of this section is to proside 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 alternatise 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.
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