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NFPA 253 15:2015 Edition

NFPA 253 15:2015 Edition

$80.71

NFPA 253: Standard Method of Test for Critical Radiant Flux of Floor Covering Systems Using a Radiant Heat Energy Source

Published By Publication Date Number of Pages
NFPA 2015 26
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For the most accurate measurement of critical radiant flux, use the revised testing procedures outlined in NFPA 253. Advance knowledge about how materials react to fire is critical to making informed selections. NFPA 253: Standard Method of Test for Critical Radiant Flux of Floor Covering Systems Using a Radiant Heat Energy Source is referenced by NFPA 101®: Life Safety Code® and building codes as the test procedure used to determine the critical radiant flux of a material. This test method is designed to provide a basis for estimating one aspect of the fire exposure behavior of a floor covering system installed in a building corridor or exitway. Testing laboratories need to take note of a major change: This edition includes an important clarification that airflow rates should be measured before igniting the panel. Valuable Annexes discuss how to calibrate an apparatus, mounting methods, sample data logs, proper application and interpretation of results, specific safety precautions, and more. ( – See more at: http://catalog.nfpa.org/2015-NFPA-253-Standard-Method-of-Test-for-Critical-Radiant-Flux-of-Floor-Covering-Systems-Using-a-Radiant-Heat-Energy-Source-P1246.aspx#sthash.gBZeM2Fq.dpuf

PDF Catalog

PDF Pages PDF Title
2 Important Notices and Disclaimers
3 Additional Notices And Disclaimers
4 2.1 General
2.2 NFPA Publications. (Reserved)
7 Chapter 1 Administration
1.1 Scope
1.2 Purpose
1.3 Application
1.4 Summary of Test Method
Chapter 2 Referenced Publications
2.3 Other Publications
8 2.4 References for Extracts in Mandatory Sections
Chapter 3 Definitions
3.1 General
3.2 NFPA Official Definitions
3.3 General Definitions
9 Chapter 4 Test Apparatus
4.1 Radiant Panel Test Apparatus
4.2 Test Chamber
4.3 Radiant Heat Energy Source
10 4.4 Specimen Holder
4.5 Pilot Burner
11 4.6 Thermocouples
4.7 Exhaust Hood
4.8 Dummy Specimen
12 4.9 Timer
Chapter 5 Test Specimens
5.1 Sampling Procedure
5.2 Specimen Size and Mounting
13 5.3 Specimen Conditioning
Chapter 6 Radiant Heat Energy Flux Profile Standardization
6.1 Procedure
14 Chapter 7 Test Procedure
7.1 Pretest Heating
7.2 Sample Mounting
7.3 Ignition of Pilot Burner
15 7.4 Flame Propagation of Specimen
7.5 Completion of Test
7.6 Data Collection and Recording
7.7 Removal of Specimen
7.8 Subsequent Testing
7.9 Extent of Flame Travel After a Prescribed Period
Chapter 8 Calculations
8.1 General
8.2 Formulas
Chapter 9 Report
9.1 Required Information
Annex A Explanatory Material
16 Annex B Procedure for Calibration of Apparatus
Annex C Sample Data Logs
Annex D Commentary on Critical Radiant Flux Test
19 Annex E Precision and Bias
20 Annex F Safety Precautions
Annex G Informational References
21 Index

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