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NFPA 253 2023

NFPA 253 2023

$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 2023 27
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Estimate the fire exposure behavior of floor covering systems with NFPA 253. Knowing how different types of 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 floor covering materials. Gain a critical basis for estimating one aspect of the fire exposure behavior of a floor covering system installed in a building corridor or exitway. Innovative materials and new methods are continuously available to the construction industry. The 2019 edition of NFPA 253 has been updated and revised to address modern materials used for simulated concrete flooring. Annexes discuss how to calibrate an apparatus, mounting methods, sample data logs, proper application and interpretation of results, specific safety precautions, and more.

PDF Catalog

PDF Pages PDF Title
9 Chapter 1 Administration
1.1 Scope.
1.2 Purpose.
1.3 Application.
1.4 Summary of Test Method.
10 Chapter 2 Referenced Publications
2.1 General.
2.2 NFPA Publications. (Reserved)
2.3 Other Publications.
2.4 References for Extracts in Mandatory Sections.
Chapter 3 Definitions
3.1 General.
3.2 NFPA Official Definitions.
11 3.3 General Definitions.
Chapter 4 Test Apparatus
4.1 Radiant Panel Test Apparatus.
4.2 Test Chamber.
12 4.3 Radiant Heat Energy Source.
13 4.4 Specimen Holder.
4.5 Pilot Burner.
14 4.6 Thermocouples.
4.7 Exhaust Hood.
4.8 Dummy Specimen.
4.9 Timer.
Chapter 5 Test Specimens
5.1 Sampling Procedure.
5.2 Specimen Size and Mounting.
16 5.3 Specimen Conditioning.
Chapter 6 Radiant Heat Energy Flux Profile Standardization
6.1 Procedure.
17 6.2 Calibration of Radiation Instrumentation.
Chapter 7 Test Procedure
7.1 Pretest Heating.
7.2 Sample Mounting.
7.3 Ignition of Pilot Burner.
7.4 Flame Propagation of Specimen.
18 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
19 Annex B Sample Data Logs
21 Annex C Commentary on Critical Radiant Flux Test
23 Annex D Precision and Bias
Annex E Safety Precautions
Annex F Informational References

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NFPA 253 2023
$80.71