{"abstract":"The U.S. Nuclear Regulatory Commission (NRC or Commission) is amending its regulations to certify an amendment to the AP1000 standard plant design. The amendment replaces the combined license (COL) information items and design acceptance criteria (DAC) with specific design information, addresses the effects of the impact of a large commercial aircraft, incorporates design improvements, and increases standardization of the design. This action is necessary so that applicants or licensees intending to construct and operate an AP1000 design may do so by referencing this regulation (AP1000 design certification rule (DCR)), and need not demonstrate in their applications the safety of the certified design as amended. The applicant for this amendment to the AP1000 design is Westinghouse Electric Company, LLC (Westinghouse).","action":"Final rule.","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/2011/12/30/2011-33266.html","cfr_references":[{"chapter":null,"citation_url":null,"part":52,"title":10}],"citation":"76 FR 82079","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"The effective date of this rule is December 30, 2011. The incorporation by reference of certain material specified in this regulation is approved by the Director of the Office of the Federal Register as of December 30, 2011. The applicability date of this rule for those entities who receive actual notice of this rule is the date of receipt of this rule.","disposition_notes":null,"docket_ids":["NRC-2010-0131"],"dockets":[{"supporting_documents":[{"title":"AP1000 Design Control Document (DCD) Revision 19, Redacted Public Version of Appendix 19F","document_id":"NRC-2010-0131-0017"},{"title":"Design Changes Submitted by Westinghouse, Revision 18","document_id":"NRC-2010-0131-0016"},{"title":"December 20, 2010 ACRS Letter to Chairman (Long-Term Core Cooling)","document_id":"NRC-2010-0131-0015"},{"title":"December 13, 2010 ACRS Letter to Chairman (Report on FSER to AP1000 DCD)","document_id":"NRC-2010-0131-0014"},{"title":"NRC Notice of Acceptance, Revision 16","document_id":"NRC-2010-0131-0013"},{"title":"AP1000 DCD Transmittal Letter, Revision 16","document_id":"NRC-2010-0131-0012"},{"title":"AP1000 DCD Transmittal Letter, Revision 17","document_id":"NRC-2010-0131-0011"},{"title":"\"Evaluation of the Effect of the AP1000 Enhanced Shield Building on the Containment Response and Safety Analysis,\" Revision 1","document_id":"NRC-2010-0131-0010"},{"title":"TR-103, \"Fluid System Changes,\" Revision 2","document_id":"NRC-2010-0131-0009"},{"title":"TR-65, \"Spent Fuel Storage Racks Criticality Analysis,\" Revison 2","document_id":"NRC-2010-0131-0008"}],"agency_name":null,"documents":[{"comment_count":null,"comment_start_date":null,"updated_at":"2025-05-22T04:16:34.694-04:00","comment_url":"https://www.regulations.gov/commenton/NRC-2010-0131-0105","allow_late_comments":false,"id":"NRC-2010-0131-0105","comment_end_date":null,"regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":16,"id":"NRC-2010-0131","title":"AP1000 Design Certification Amendment"}],"document_number":"2011-33266","effective_on":"2011-12-30","end_page":82103,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2011/12/30/2011-33266.xml","html_url":"https://www.federalregister.gov/documents/2011/12/30/2011-33266/ap1000-design-certification-amendment","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2011-33266?publication_date=2011-12-30","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2011-12-30/2011-33266/mods.xml","not_received_for_publication":null,"page_length":25,"page_views":{"count":1172,"last_updated":"2026-07-26 10:15:03 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2011-12-30/pdf/2011-33266.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2011-33266.pdf?1325166735","publication_date":"2011-12-30","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2011/12/30/2011-33266.txt","regulation_id_number_info":{"3150-AI81":{"issue":"201110","html_url":"https://www.federalregister.gov/regulations/3150-AI81/ap1000-design-certification-amendment-nrc-2010-0131-","title":"AP1000 Design Certification Amendment\r\n[NRC-2010-0131]","xml_url":"http://www.reginfo.gov/public/do/eAgendaViewRule?pubId=201110&RIN=3150-AI81&operation=OPERATION_EXPORT_XML","priority_category":"Other Significant"}},"regulation_id_numbers":["3150-AI81"],"regulations_dot_gov_info":{"supporting_documents":[{"title":"AP1000 Design Control Document (DCD) Revision 19, Redacted Public Version of Appendix 19F","document_id":"NRC-2010-0131-0017"},{"title":"Design Changes Submitted by Westinghouse, Revision 18","document_id":"NRC-2010-0131-0016"},{"title":"December 20, 2010 ACRS Letter to Chairman (Long-Term Core Cooling)","document_id":"NRC-2010-0131-0015"},{"title":"December 13, 2010 ACRS Letter to Chairman (Report on FSER to AP1000 DCD)","document_id":"NRC-2010-0131-0014"},{"title":"NRC Notice of Acceptance, Revision 16","document_id":"NRC-2010-0131-0013"},{"title":"AP1000 DCD Transmittal Letter, Revision 16","document_id":"NRC-2010-0131-0012"},{"title":"AP1000 DCD Transmittal Letter, Revision 17","document_id":"NRC-2010-0131-0011"},{"title":"\"Evaluation of the Effect of the AP1000 Enhanced Shield Building on the Containment Response and Safety Analysis,\" Revision 1","document_id":"NRC-2010-0131-0010"},{"title":"TR-103, \"Fluid System Changes,\" Revision 2","document_id":"NRC-2010-0131-0009"},{"title":"TR-65, \"Spent Fuel Storage Racks Criticality Analysis,\" Revison 2","document_id":"NRC-2010-0131-0008"}],"regulatory_plan":{"html_url":"https://www.federalregister.gov/regulations/3150-AI81/ap1000-design-certification-amendment-nrc-2010-0131-","title":"AP1000 Design Certification Amendment\r\n[NRC-2010-0131]"},"comments_count":0,"agency_id":"NRC","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=NRC-2010-0131","supporting_documents_count":16,"docket_id":"NRC-2010-0131","document_id":"NRC-2010-0131-0105","regulation_id_number":"3150-AI81","title":"AP1000 Design Certification Amendment","checked_regulationsdotgov_at":"2025-05-22T08:16:34Z"},"regulations_dot_gov_url":null,"significant":true,"signing_date":null,"start_page":82079,"subtype":null,"title":"AP1000 Design Certification Amendment","toc_doc":"AP1000 Design Certification","toc_subject":null,"topics":["Administrative practice and procedure","Antitrust","Fees","Incorporation by reference","Nuclear power plants and reactors","Reporting and recordkeeping requirements"],"type":"Rule","volume":76}