Document: NRC Regulatory Guide
Document ID: 111e064c-2d28-4647-872a-806b29019408
Document Type: regulatory_guide
Title: Design Limit and Loading Combinations for Seismic Category I Fluid System Components
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML1229/ML12298A124.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.48
CFR Part: 
CFR Title: 

Content:
sively utilized to provide assurance of ýthie pressure-retaining integrity of vessels, piping, non:active pumps, and non-active valves of each Code class; however',: for the particular case of active pumnIps and valves (i.e.,`pumps and valves that must performs a mechanical motion during' the course of accomplishing a 'syst'eni safety function), special design limits and supplemental requirements are specified to provide assurance of operability. These special design USAEC REGULATORY GUIDES Copies of published guides may be obtained by request indicating the divisions desired to the US. Atomic Energy Commission, Washington, D.C. 20545, Regulatory Guides are issued to describe and make available to the public Attention: Director of Regulatory Standards. Comments and suggestions for methods acceptable to the AEC Regulatory staff of implementing specific5parts of improvements in these guides are encouraged and should be sent to the Secretary the Commission's regulations, to delineate techniques used by the staff in of the Commission, US-: Atomic Energy Commission, Washington, D.C. 20545, evaluating specific problems or postulated accidents, or to provide guidance to Attention: Chief, Public Proceedings Staff. applicants. Regulatory Guides are not' substitutes for regulations and compliance - " with them is not required. Methods and solutions different from those set out in The guides are issued in the following ten broad divisions: the guides will be acceptable if they provide a basis for the findings requisite to the issuance or continuance of a permit or license by the Commission. 1. Power Reactors 6. Products 2. Research and Test Reactors 7. Transportation - 3. Fuels and Materials Facilities a. Occupational Health Published guides will be revised periodically, as appropriate, to accommodate 4. Environmental and Siting 9. Antitrust Review comments and to reflect new information or experience. 5. Materials and Plant Protection 10. General limits and supplemental