№ lp_1_14057
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File size: 1799 KB
The document provides an assessment of the deferral request for the 2025 periodic shutdown of Heysham 1 Reactor 2, justifying an extension of the operating period to 06 October 2025, based on safety reviews and technical inspections conducted by the Office for Nuclear Regulation.
Year:
2025
Region / City:
Heysham
Topic:
Nuclear energy, reactor maintenance, shutdown deferral
Document type:
Project assessment report
Organization / Institution:
Office for Nuclear Regulation
Author:
Not specified
Target audience:
Not specified
Period of validity:
Up to 06 October 2025
Approval date:
May 2025
Date of changes:
None
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The product description is provided for reference. Actual content and formatting may differ slightly.
Year:
2023
Region / City:
United States
Subject:
Wastewater Collection System, Power Outages, Emergency Response
Document Type:
Checklist
Organization:
EPA (Environmental Protection Agency)
Author:
Not specified
Target Audience:
Wastewater utilities, municipal planners, facility managers
Period of Validity:
Indefinite
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
2024
Region / City:
Hartlepool
Subject:
Nuclear Energy, Reactor Operations
Document Type:
Report
Organization:
Office for Nuclear Regulation (ONR)
Author:
EDF Energy Nuclear Generation Limited
Target Audience:
Nuclear Safety Professionals, Regulatory Bodies
Period of Validity:
Until 10 May 2025
Approval Date:
December 2024
Date of Changes:
N/A
Author:
Dr Tony Jaques
Date of publication:
November 10, 2023
Publication:
SmartCompany
Publisher:
SmartCompany
URL:
https://www.smartcompany.com.au/business-advice/optus-outage-crisis-plan/
Subject:
Crisis management and corporate communication
Organisations discussed:
Optus; SBS; Australia Post; CBA; Binance; Telstra; Think HQ
Geographical focus:
Australia
Industry focus:
Telecommunications
Type of document:
Opinion article
Primary theme:
Evaluation of crisis preparedness and communication in corporate incidents
Events referenced:
Optus nationwide outage (2023); Optus hacking crisis (2022); FIFA World Cup streaming issues (2018)
Year:
2011–2019
Unit:
Unit 1, Unit 2
Outage:
A1R17, A1R18, A1R19, A1R20, A1R21, A2R15, A2R16, A2R17, A2R18, A2R19, A2R20
Document type:
Technical report
Subject:
Radiation exposure and scaffolding activities during nuclear plant outages
Authoring organization:
Braidwood Nuclear Power Station
Measured dose:
1.584–5.515 p-rem
Average dose:
2.933 p-rem
Specific locations:
Containment and Auxiliary Building (IMB and OMB)
Target audience:
Radiation protection personnel, plant management
Key processes:
Scaffold installation and removal, dose estimation, ALARA practices
Observation methods:
On-site measurements, remote monitoring, dose tracking
Notable events:
Snubber failures affecting scaffold builds, dose revisions
Version:
2.5
Date of latest update:
January 14th 2023
Created by:
Lindsey Wharmby
Amended by:
Tony Watson, Shiona Dawson
Approval body:
Club Committee
Target audience:
Members, guests, visitors, external contractors
Scope:
Health and safety procedures, fire safety, building evacuation, first aid, accident reporting, external contractors, power outage
Applicable regulations:
Regulatory Reform (Fire Safety) Order 2005
Location:
Olicana Bridge Club premises
Document type:
Policy document
Content focus:
Organization responsibilities, training, evacuation plans, fire drills, equipment maintenance, PEEP template
Note:
Year
Topic:
IT Support, Troubleshooting
Document Type:
Case Study
Target Audience:
IT Professionals, Network Engineers
Year:
2024
Region / City:
Heysham
Topic:
Nuclear Regulatory Inspection
Document Type:
Site Report
Organization / Institution:
Office for Nuclear Regulation (ONR)
Author:
Nominated Site Inspector - Heysham 1
Target Audience:
General public, Heysham Local Community Liaison Committee (LCLC)
Period of Action:
01 October – 31 December 2024
Approval Date:
February 2025
Date of Last Update:
Not specified
Publication date:
February 2024
Year:
2024
Facility:
Heysham 1 Nuclear Power Station
Reactor type:
Advanced Gas-Cooled Reactor
Reactor unit:
Reactor 1
Periodic shutdown identifier:
027
Shutdown period:
October–December 2023
Planned shutdown duration:
69 days
Document type:
Regulatory assessment report
Issuing authority:
Office for Nuclear Regulation
Dutyholder:
EDF Energy Nuclear Generation Limited
Regulatory framework:
Nuclear Site Licence Conditions 28 and 30
Subject areas:
Nuclear safety, examination, inspection, maintenance and testing
Licence instrument referenced:
Licence Instrument 641
Geographic location:
United Kingdom
Year:
2025
Region / City:
Heysham, Lancashire, UK
Document type:
Site inspection report
Organization:
Office for Nuclear Regulation (ONR)
Author:
Nominated Site Inspector
Approved by:
Joint Head of Safety Regulation – Operating Reactors
Reporting period:
1 January – 31 March 2025
Publication date:
April 2025
Record reference:
2025/14825
Inspections:
Heysham 1, Heysham 2
Legal frameworks referenced:
Nuclear Installations Act 1965, Energy Act 2013, Health and Safety at Work Act 1974, Ionising Radiations Regulations 2017, Management of Health and Safety at Work Regulations 1999
Key activities:
Routine inspections, non-routine inspections, regulatory assessments, emergency exercise observation
Year:
2025
Region / City:
Heysham
Topic:
Nuclear power station inspection
Document Type:
Regulatory Report
Organization:
Office for Nuclear Regulation (ONR)
Author:
Heysham 2 Nominated Site Inspector
Target Audience:
Local community, industry stakeholders, regulatory bodies
Effective Period:
1 July – 30 September 2025
Approval Date:
Nov 2025
Date of Changes:
N/A
Year:
2024
Region / City:
Heysham
Topic:
Nuclear Site Inspections
Document Type:
Site Report
Organization / Institution:
Office for Nuclear Regulation (ONR)
Author:
M Worsley, D Hackney, M Webb
Target Audience:
Public, Local Community Liaison Committee
Period of Activity:
1 January to 31 March 2024
Approval Date:
May 2024
Date of Changes:
N/A
Year:
2024
Region / City:
Heysham
Topic:
Nuclear site inspections, regulatory activities
Document Type:
Site Report
Organization:
Office for Nuclear Regulation (ONR)
Author:
Heysham 1 and 2 Nominated Site Inspectors
Target Audience:
General public, local community liaison committee members, regulatory stakeholders
Period of Action:
1 April to 30 June 2024
Approval Date:
August 24, 2024
Date of Last Update:
August 24, 2024
Year:
2022
Region / City:
Heysham
Subject:
Nuclear Site Inspection
Document Type:
Report
Author:
Office for Nuclear Regulation (ONR)
Target Audience:
General Public, Local Community Liaison Committee (LCLC)
Period of Activity:
1 October – 31 December 2022
Approval Date:
April 2023
Date of Changes:
N/A
Year:
2025
Region:
Heysham, United Kingdom
Subject:
Nuclear site inspections and regulatory compliance
Document type:
Site report
Organization:
Office for Nuclear Regulation (ONR)
Author:
Heysham 1 Nominated Site Inspector
Approved by:
Head of Regulation (Operating Reactors)
Publication date:
July 2025
Report period:
01 April – 30 June 2025
Record reference:
2025/25014
Inspections:
Routine and themed inspections of Heysham 1 and 2, including emergency exercises and engineering change management
Compliance frameworks:
Nuclear Installations Act 1965, Energy Act 2013, Health and Safety at Work etc Act 1974, IRR17, MHSWR99
Inspection ratings:
GREEN (no formal action)
Emergency exercises:
Atlas (Heysham 1), Athena (Heysham 2)
Training and qualifications:
Verified for key emergency roles
Waste management:
Radiological waste accumulation and disposal compliance
Year:
2026
Note:
Region / City
Topic:
Wireless LANs, NPCA Transmission Deferral
Document Type:
IEEE Draft
Organization / Institution:
IEEE
Author:
Rony Ross, Arik Klein
Target Audience:
Technical experts, engineers in wireless communication
Approval Date:
2026-01-22
Context:
The document provides proposed resolutions for specific issues in the IEEE P802.11 Wireless LANs regarding the deferral of transmissions due to NPCA switching delays, offering solutions for multiple CIDs.
Year:
2020
Region / city:
Pennsylvania, United States
Topic:
Accounting
Document type:
Guide
Organization:
The Pennsylvania State University
Author:
Labyrinth Solutions, Inc.
Target audience:
Users with appropriate positions in business area and central finance offices
Effective period:
Not specified
Approval date:
Not specified
Modification date:
Not specified
Document type:
Payment deferral agreement
Subject:
Mortgage payment deferral
Loan reference:
Loan number
Parties:
Mortgage servicer and borrower
Property type:
Residential real property
Financial terms:
Deferral of past-due principal, interest, and related amounts
Late fees:
Waived
Repayment timing:
At loan maturity or earlier upon sale, transfer, refinance, or payoff
Escrow treatment:
Escrow shortage repayment, if applicable
Credit reporting:
Reported in accordance with applicable federal law
Governing context:
U.S. mortgage servicing and federal consumer protection framework
Audience:
Mortgage borrower
Source institution:
Mortgage loan servicer
Legal status:
Contractual agreement and disclosure notice
Year:
20__
Region / City:
Edina, Minnesota
Subject:
Sewer Availability Charges, Deferral Agreement
Document Type:
Legal Agreement
Organ / Institution:
City of Edina, Metropolitan Council
Author:
Not specified
Target Audience:
Developer, Landowner, Municipal Authorities
Period of Validity:
Until full payment of SAC Charges
Approval Date:
Not specified
Amendment Date:
Not specified
Year:
2025
Organization:
Washington State Department of Transportation
Document type:
Design decision
Report type:
Design Decision
Project title:
Complete Streets Deferral
Jurisdiction:
Washington State, United States
Report date:
March 25, 2025
Legal basis:
23 U.S. Code § 409; 23 U.S. Code § 148
Subject area:
Transportation design and safety
Program area:
Complete Streets
Intended use:
Design Decision Package documentation
Approval authority:
Regional Administrator or delegate
Template version:
1.5