№ lp_1_2_23596
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This document contains technical guidance for fire safety analysts regarding heat release rate (HRR) profiles and parameters for fixed and transient ignition sources in the context of fire protection significance determination.
Effective Date:
January 1, 2025
Purpose:
This attachment provides supporting information describing the heat release rate (HRR) profile (HRR versus time curve) parameters and HRR gamma distribution parameters for various fixed and transient ignition sources. The profiles and distribution parameters were used to develop the tables and plots in sets A, D, and E of Attachment 8 to the Fire Protection Significance Determination Process (SDP), IMC 0609 Appendix F. These tables and plots allow the analyst to look up the vertical and radial zone of influence (ZOI) (used in Step 2.3.2), severity factor (SF) (used in Step 2.6.1), and damage time (used in Step 2.7.1) for a specified fixed or transient ignition source, target type, and target location for fire damage state 1 (FDS1) scenarios. Guidance is also provided for determining the HRR of confined and unconfined oil fires, cable tray fires, and hot work fires.
Year:
2025
Note:
Region / City
Subject:
Fire Ignition Sources, Heat Release Rate, Fire Protection
Document Type:
Technical Manual
Organization / Institution:
NRC
Target Audience:
Fire Safety Analysts, Engineers
Period of Effectiveness:
From January 1, 2025
Price: 8 / 10 USD
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The product description is provided for reference. Actual content and formatting may differ slightly.
Year:
2025
Region / City:
N/A
Subject:
Fire Ignition Frequency Estimation
Document Type:
Guidance
Institution:
NRC (Nuclear Regulatory Commission)
Author:
N/A
Target Audience:
Nuclear Safety Professionals
Effective Date:
January 1, 2025
Date of Changes:
N/A
Date of Approval:
N/A
Period of Validity:
N/A
Context:
This guidance document provides instructions on estimating fire ignition frequency for different ignition sources in nuclear facilities, used to assess fire safety risks in operational environments.
Year:
2021
Region / City:
United States
Topic:
Shipbuilding, Investment Return
Document Type:
Guidance
Organization / Institution:
National Shipbuilding Research Program (NSRP)
Author:
NSRP Executive Control Board (ECB)
Target Audience:
Navy Program Managers, Shipyard Program Managers, Project Teams
Period of Validity:
N/A
Approval Date:
N/A
Date of Changes:
N/A
Year:
2017
Region / City:
United States
Subject:
Indoor Air Quality, Diesel Emissions, Heavy Duty Construction Equipment
Document Type:
Research Proposal
Organization:
CARTEEH
Author:
Not specified
Target Audience:
Researchers, Environmental Health Professionals, Occupational Health Researchers
Period of Effectiveness:
2017–2022
Approval Date:
Not specified
Date of Changes:
Not specified
Year:
2026
Institution:
University of Leicester
College/School:
College of Life Sciences, MCB
First Supervisor:
Professor Salvador Macip
Second Supervisor:
Professor Shaun Cowley
Email First Supervisor:
[email protected]
Email Second Supervisor:
[email protected]
Project Type:
MIBTP studentship
Research Focus:
Ageing, senescence, neurodegenerative diseases, cancer
Collaborators:
BarcelonaBeta Brain Research Center, Division of Chemistry at University of Leicester
Techniques:
Protein/DNA/RNA extraction, microscopy, immunofluorescence, immunohistochemistry, subcellular fractionation, gradient separation, cloning, transfection, RNA interference, flow cytometry, Western blots, luciferase assays, qRT-PCR, microarrays, mass spectrometry, image processing, statistical analysis
Year:
2026
Region / City:
Gif-sur-Yvette
Topic:
Evolutionary biology, Domestication, Reproductive isolation
Document Type:
PhD Project
Organization:
Université Paris-Saclay, INRAE, CNRS, AgroParisTech
Author:
Maud Tenaillon, Catherine Dogimont
Target Audience:
Researchers in evolutionary biology, genetics, and plant domestication
Duration:
2020-2026
Approval Date:
2020
Modification Date:
2026
Keywords:
Domestication, Gene flow, Phenotypic landscape, Hybrid defects, Postzygotic barriers, Genome scan, Genomic divergence
Context:
PhD project aiming to characterize reproductive barriers between wild and domesticated plant forms across 14 systems to explore the evolutionary processes behind domestication.
Year:
2021
Region / city:
United States
Topic:
COVID-19, occupational health, risk assessment
Document type:
Report
Organization / institution:
CSTE Occupational Health Subcommittee
Author:
CSTE Occupational Health Subcommittee, Work Group on Essential Workers - Exposure Measures Team
Target audience:
Epidemiologists, policymakers, occupational health experts
Effective period:
From August 18, 2021
Approval date:
August 18, 2021
Date of changes:
August 18, 2021
Year:
2019-2022
Region / City:
Israel
Topic:
Continuous Glucose Monitoring, Non-Diabetic Population
Document Type:
Research Article
Institution:
Weizmann Institute of Science, Tel Aviv University, Rabin Medical Center, Pheno.AI
Authors:
Ayya Keshet, Smadar Shilo, Anastasia Godneva, Yeela Talmor-Barkan, Yaron Aviv, Eran Segal, Hagai Rossman
Target Audience:
Researchers, Clinicians
Study Population:
7,104 non-diabetic adults, aged 40-70, 45.7% male, 54.3% female
Methodology:
Continuous Glucose Monitoring, blood tests, DXA scans, food intake logging, sleep monitoring
Key Measurements:
Mean blood glucose, glucose variability, clinical measures related to cardiovascular health, nutrition, and sleep
Lead Contact:
Dr. Hagai Rossman
Corresponding Author:
Prof. Eran Segal
Purpose:
Establish reference values for CGM-derived metrics in a healthy population
Year:
2026
Region / City:
Cham, Switzerland
Topic:
Philosophy of science, values in science
Document Type:
Preprint chapter
Publisher / Series:
Boston Studies in the Philosophy and History of Science, Springer
Editor:
Jonathan Tsou, Jamie Shaw, Carla Fehr
Author:
Kevin C. Elliott
Target Audience:
Philosophers of science, scholars of values in science
Period Covered:
Mid- to late-20th century developments on value-free ideal, contemporary analysis
Date of Release:
2026
Context:
Scholarly source analyzing philosophical perspectives on the value-free ideal, proposing a taxonomy of possible characterizations and discussing implications for debates on values in science
Effective Date:
01/01/2021
Year:
2021
Region / City:
N/A
Subject:
Safety and Risk Assessment
Document Type:
Inspection Manual
Author:
NRC (U.S. Nuclear Regulatory Commission)
Target Audience:
NRC Inspectors, Safety Analysts, and related stakeholders
Period of Validity:
Ongoing
Approval Date:
01/01/2021
Revision History:
Available in Attachment 1
Effective Date:
January 1, 2025
Year:
2025
Region / City:
-
Subject:
Fire protection, ignition and damage criteria for electrical cables and other targets
Document Type:
Technical manual
Agency/Organization:
NRC (Nuclear Regulatory Commission)
Author:
-
Target Audience:
Nuclear safety professionals, fire protection engineers
Duration:
-
Approval Date:
-
Amendment Date:
-
Year:
2020
Region / City:
United States
Topic:
Nuclear Safety and Security
Document Type:
Regulatory Guide
Agency:
U.S. Nuclear Regulatory Commission
Author:
U.S. Nuclear Regulatory Commission
Target Audience:
NRC Staff, Nuclear Facility Operators, Safety Inspectors
Period of Validity:
Ongoing
Approval Date:
11/09/2020
Date of Amendments:
N/A
Effective Date:
01/01/2019
Year:
2019
Region / City:
United States
Topic:
Nuclear Safety, Risk Assessment, Regulatory Procedures
Document Type:
Manual
Institution:
U.S. Nuclear Regulatory Commission (NRC)
Author:
U.S. Nuclear Regulatory Commission (NRC)
Target Audience:
NRC Staff, Nuclear Operators, Inspectors
Period of Validity:
From 01/01/2019
Date of Approval:
01/01/2019
Date of Changes:
Not specified
Effective Date:
10/07/2016
Note:
Region / City
Subject:
Mitigating Strategies, Spent Fuel Pool Instrumentation, Safety Significance
Document Type:
Inspection Manual
Organization:
Nuclear Regulatory Commission (NRC)
Target Audience:
Inspectors, NRC Staff
Period of Validity:
Ongoing
Approval Date:
10/07/2016
Note:
Year
Topic:
Fire detection analysis
Document Type:
Manual
Year:
2025
Organization:
U.S. Nuclear Regulatory Commission
Document Type:
Inspection Manual Appendix
Topic:
Fire Protection, Risk Assessment
Target Audience:
NRC Inspectors, Regional and Resident Office Staff
Phases:
Phase 1 – Qualitative Screening, Phase 2 – Quantitative Evaluation
Scope:
Evaluation of fire protection deficiencies in licensed facilities
Attachments:
Worksheets for fire protection significance determination, guidance for fire scenarios, fire ignition frequency, target identification, non-suppression probability, supporting tables and plots
Revision History Included:
Yes
Effective Date:
January 1, 2025
Year:
2022
Region / City:
Not specified
Subject:
Fire Risk Analysis
Document Type:
Manual
Organization:
APHBAPHBNRC
Author:
Not specified
Target Audience:
Engineering and Safety Personnel
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Modifications:
Not specified
Contextual Description:
Detailed guidance for identifying and assessing credible fire scenarios for Phase 2 analysis, used in the nuclear industry.
Year:
2025
Region / City:
N/A
Subject:
Fire Ignition Frequency Estimation
Document Type:
Guidance
Institution:
NRC (Nuclear Regulatory Commission)
Author:
N/A
Target Audience:
Nuclear Safety Professionals
Effective Date:
January 1, 2025
Date of Changes:
N/A
Date of Approval:
N/A
Period of Validity:
N/A
Context:
This guidance document provides instructions on estimating fire ignition frequency for different ignition sources in nuclear facilities, used to assess fire safety risks in operational environments.