Regulatory Guide 1.40
| ML13350A362 | |
| Person / Time | |
|---|---|
| Issue date: | 03/16/1973 |
| From: | US Atomic Energy Commission (AEC) |
| To: | |
| References | |
| RG-1.040 | |
| Download: ML13350A362 (1) | |
3116/73 U.S. ATOMIC ENERGY COMMISSION
0REGULATORY
0
GUll DE
DIRECTORATE OF REGULATORY STANDARDS
REGULATORY GUIDE 1.40
QUALIFICATION TESTS OF CONTINUOUS-DUTY MOTORS INSTALLED
INSIDE THE CONTAINMENT OF WATER-COOLED NUCLEAR POWER PLANTS
A. INTRODUCTION
of lont-terit operation. including radiation effects, and for subjectin, aIprototype aged motor to colnhi ned Criterion Ill. "Design Control." 'of Appendix B to (steamn) pressure. Itniperalule. and chemical I10CFR Part 50. "Quality Assurance Criteria for Nuclear environments approximating those of' the desigi basis Power Plants and Fuel Reproccssing Plants." requires loss-of-coolanl accident.
that. where a test program is used to verify the adequacy of a specific design feature. it iclude suitable
C. REGULATORY POSITION
qualification testing of a prototype unit under the most adverse design conditions. This guide describes an The procedures for conducting qualification tests of acceptable method of complying with the Commission's continuous-duty motors installed inside the containment regulations with regard to the qualification testing of of water-cooled nuclear power plants which are specified prototype continuous-duly Class I motors installed by IEEE Std 334-1971. "IEEE Trial-Use Guide for Type inside the containment of' water-cooled nuclear power Tests of Continuous-.)uty Class I Motors Installed l .nide plants. The Advisory Committee on Reactor Safeguards the Containment of Nuclear Power Generating has been constilted concerning this guide and has Stations... are generally acceptable and provide an concurred in the Regulatory position. adequate basis for complying with the qualificationI
testing requirements of Criterion Ill of Appendix B to
B. DISCUSSION
10 CFR Part 50. to verify adequacy of design for service under the most adverse design conditions, subject to the IEEE Sid 334-1971. "IEEE Trial-Use Guide for following:
Type' Tests of Continuous-Duty Class I Motors Installed 1. To thie extent practicable, auxiliary equipment Inside the Containment of Nuclear Power Generating that will be part of the installed motor assembly should Stations," was prepared by Subcommittee 2 of the Joint also be qualified in accordance widt IEEE Std 334-197 I.
Committee on Nuclear Power Standards of the Institute 2. The qualification tests should simulate as of Electrical and Electronics Engineers, Inc. (IEEE), and closely as practicable all design basis events which affect was subsequently approved by the IEEE Standards operation of the motor's auxiliary equipment. For Committee on September 16, 1971. The standard example, the delayed starting of a water-cooled motor in delineates specific procedures for the qualification accordance with Section 4.3.3.3.3(6) of the standard testing of Class I motors to demonstrate adequacy of should be accompanied by die delayed initiation of the design for service within the containments of nuclear motor's cooling system simulating the design basis power plants. These procedures provide for testing under temporary loss of a-c power.
conditions simulating those imposed during normal 3. Section 6. "References." of IEEE Sid 334-1971 operation in addition to those resulting from a design lists additional applicable IEEE Standards. The specific basis loss-of-coolant accident. applicability or acceptability of these referenced standards will be covered separately in other regulatory The standard specifies procedures for accomplishing guides. where appropriate.
accelerated aging of components to simulate die effects
'Cop-es may le tobtained fromn the Institute of Electrical
'As used in this regulatory guide, the ternms "qualification and Electronics Engineers. United l'ngineering Center. 345 Fast test" and "type test" are synonymous. 47th Street. New York. N.Y. t0t17.
USAEC REGULATORY GUIDES Copies of published guides may be obtained by request indicting the division destired to the US. Atomic Energy Commission. Washinrgton, D.C. 70545,
'Regulatory Guides are issued to describe and mrakeavailable to the public Attention: Director of Regulatory Standards. Comnenit and suggestions to'
methods acceptable to the AEC Regulatory staff of Implementing specific paerts o l rIprovemerrnt In these guides are encouraged and should be sent to the Secretary the Commlssion'% regulations, to delineate techniques used by the taill in of the Commisiton, U.S. Atomic Energy Commission. Washington, D.C. 20545.
ervatuating specific problems or postulated acildente, or to provide guidance to Attention: Chief. Public Proceedingt Staff.
'applicnts. Regulatory Guides are not subtitutes for regulations end compliance with them Is not required, Methods and solutions different from those eatout In The guides ire issued In the following ten broad divisiont:
the guides will be acceptable If they provide a basis for the findings requitite to the Ilsuance or continuance of a permit or license by the Commislson. 1. Power Reactors
6. Products
2. Research and Test Reactort
7. Trensportatlon
3. Fuels end Materials Facilities 8. Occupational Health P'jblshed guides will be revised periodically, as appropriate, to accommodate 4. Environmental and Siting 9. Antitrust Review mm-mnts and to reflect new Information or experience. S. Materials end Plant Protection 10. General