{"abstract":"The U.S. Nuclear Regulatory Commission (NRC) has issued an exemption in response to a request dated December 31, 2025, from SMR, LLC, on behalf of Palisades SMR, LLC, a wholly-owned subsidiary of Holtec International (collectively, Holtec) for approval to allow construction of permanent support of excavation walls prior to the issuance of a limited work authorization for Pioneer Units 1 and 2. The support of excavation walls will remain in place after construction is complete.","action":"Notice; 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/2026/08/28/2026-17626.html","cfr_references":[],"citation":"91 FR 55628","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"The exemption was issued on August 28, 2026.","disposition_notes":null,"docket_ids":["Docket Nos. 50-616 and 50-617","NRC-2026-0265"],"dockets":[{"supporting_documents":[],"agency_name":"NRC","documents":[{"comment_count":0,"comment_start_date":"2026-08-28","updated_at":"2026-08-28T08:57:00.153-04:00","comment_url":"https://www.regulations.gov/commenton/NRC-2026-0265-0011","allow_late_comments":false,"id":"NRC-2026-0265-0011","comment_end_date":null,"regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":0,"id":"NRC-2026-0265","title":"SMR, LLC Pioneer Units 1 and 2 Limited Work Authorization Application"}],"document_number":"2026-17626","effective_on":null,"end_page":55631,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/08/28/2026-17626.xml","html_url":"https://www.federalregister.gov/documents/2026/08/28/2026-17626/smr-llc-palisades-smr-llc-pioneer-units-1-and-2-exemption","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-17626?publication_date=2026-08-28","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-08-28/2026-17626/mods.xml","not_received_for_publication":null,"page_length":4,"page_views":{"count":408,"last_updated":"2026-10-24 02:15:05 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-08-28/pdf/2026-17626.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-17626.pdf?1787834720","publication_date":"2026-08-28","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/08/28/2026-17626.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[],"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-2026-0265","supporting_documents_count":0,"docket_id":"NRC-2026-0265","document_id":"NRC-2026-0265-0011","regulation_id_number":null,"title":"SMR, LLC Pioneer Units 1 and 2 Limited Work Authorization Application","checked_regulationsdotgov_at":"2026-08-29T15:55:03Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":55628,"subtype":null,"title":"SMR, LLC; Palisades SMR, LLC; Pioneer Units 1 and 2; Exemption","toc_doc":"SMR, LLC; Palisades SMR, LLC; Pioneer Units 1 and 2","toc_subject":"Exemption","topics":[],"type":"Notice","volume":91}