{"abstract":"The U.S. Nuclear Regulatory Commission (NRC) is issuing Revision 4 to Regulatory Guide (RG) 1.100, \"Seismic Qualification of Electrical and Active Mechanical Equipment and Functional Qualification of Active Mechanical Equipment for Nuclear Power Plants.\" RG 1.100 was revised to endorse industry consensus standards with certain exceptions and clarifications. The guide describes methods that the staff of the NRC considers acceptable for use in the seismic qualification of electrical and active mechanical equipment and the functional qualification of active mechanical equipment for nuclear power plants.","action":"Regulatory guide; issuance.","agencies":[{"raw_name":"NUCLEAR REGULATORY COMMISSION","name":"Nuclear Regulatory Commission","id":383,"url":"https://www.federalregister.gov/agencies/nuclear-regulatory-commission","json_url":"https://www.federalregister.gov/api/v1/agencies/383","parent_id":null,"slug":"nuclear-regulatory-commission"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2020/06/02/2020-11759.html","cfr_references":[],"citation":"85 FR 33741","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"Revision 4 to RG 1.100 is available on June 2, 2020.","disposition_notes":null,"docket_ids":["NRC-2019-0061"],"dockets":[],"document_number":"2020-11759","effective_on":null,"end_page":33742,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2020/06/02/2020-11759.xml","html_url":"https://www.federalregister.gov/documents/2020/06/02/2020-11759/seismic-qualification-of-electrical-and-active-mechanical-equipment-and-functional-qualification-of","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2020-11759?publication_date=2020-06-02","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2020-06-02/2020-11759/mods.xml","not_received_for_publication":null,"page_length":2,"page_views":{"count":296,"last_updated":"2026-04-04 18:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2020-06-02/pdf/2020-11759.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2020-11759.pdf?1591015521","publication_date":"2020-06-02","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2020/06/02/2020-11759.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[{"title":"Regulatory Analysis (RG 1.100, Rev. 4)","document_id":"NRC-2019-0061-0006"},{"title":"RG 1.100, Rev. 4, Seismic Qualification of Electrical and Active Mechanical Equipment and Functional Qualification of Active Mechanical Equipment for Nuclear Power Plants","document_id":"NRC-2019-0061-0005"}],"comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=NRC-2019-0061","supporting_documents_count":2,"docket_id":"NRC-2019-0061","regulation_id_number":null,"title":"Seismic Qualification of Electrical and Active Mechanical Equipment and Functional Qualification of Active Mechanical Equipment for Nuclear Power Plants","checked_regulationsdotgov_at":"2020-06-07T16:00:09Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":33741,"subtype":null,"title":"Seismic Qualification of Electrical and Active Mechanical Equipment and Functional Qualification of Active Mechanical Equipment for Nuclear Power Plants","toc_doc":null,"toc_subject":null,"topics":[],"type":"Notice","volume":85}