Document: NRC Regulatory Guide
Document ID: 303ef13e-f2e6-41b2-be1a-56f2ba131bb9
Document Type: regulatory_guide
Title: Restart of a Nuclear Power Plant Shut Down by a Seismic Event
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0037/ML003740093.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.167
CFR Part: 
CFR Title: 

Content:
U.S. NUCLEAR REGULATORY COMMISSION REGULATORY March 1997 GUIDE or-I OFFICE OF NUCLEAR REGULATORY RESEARCH REGULATORY GUIDE 1.167 (Draft was DG-1035) RESTART OF A NUCLEAR POWER PLANT SHUT DOWN BY A SEISMIC EVENT A. INTRODUCTION Paragraph IV(aX3) of Appendix S, "Earthquake Engineering Criteria for Nuclear Power Plants," to 10 CFR Part 50, "Domestic Licensing of Production and Utilization Facilities," requires shutdown of the nuclear power plant if vibratory ground motion exceed ing that of the operating basis earthquake ground mo tion (OBE) occurs or if significant plant damage oc curs. 1 Prior to resuming operations, the licensee must demonstrate to the NRC that no functional damage has occurred to those features necessary for continued op eration without undue risk to the health and safety of the public. This guide provides guidance acceptable to the NRC staff for performing inspections and tests of nu clear power plant equipment and structures prior to re start of a plant that has been shut down by a seismic event. The information collections contained in this regu latory guide are covered by the requirements of 10 CFR Part 50, which were approved by the Office of Manage ment and Budget, approval number 3150--0011. The lRegulatory Guide 1.166, "Pre-Earthquake Planning and Immediate Nuclear Power Plant Operator Postearthquake Actions," provides cri teria for plant shutdown. USNRC REGULATORY GUIDES Regulatory Guides are Wisued to describe ard make available to the public such Informa tIon as methods acceptable to the NRC staff for implementing specific parts of the Corn mission's reguiaelone, tedhfques used by the staff in evaluating specific problems or pos tulated accddents, and data needed by dhe NRC staff In its review of applications for per mlts an licenses. Regulatory guides ae not substitutes for regulations, and compliance with them Is not required. Methods end solutions different from those set Out in the guides will be acceptable 9 they provide a basis for