NFPA 251 : 2006

Chapter 1 Administration
  1.1 Scope
  1.2 Purpose
  1.3 Application
  1.4 Units
Chapter 2 Referenced Publications
  2.1 General
  2.2 NFPA Publications. (Reserved)
  2.3 Other Publications
  2.4 References for Extracts in Mandatory Sections. (Reserved)
Chapter 3 Definitions
  3.1 General
  3.2 NFPA Official Definitions
  3.3 General Definitions
Chapter 4 Control of Fire Tests
  4.1 Temperature-Time Curve
  4.2 Furnace Temperatures
  4.3 Temperatures of Unexposed Surfaces of Floors, Roofs,
       Walls, and Partitions
  4.4 Furnace Pressure
Chapter 5 Test Specimen
  5.1 Specimen
  5.2 Protection and Conditioning of Test Specimen
Chapter 6 Conduct of Fire Tests
  6.1 Fire Resistance Test
  6.2 Hose Stream Test
Chapter 7 Tests of Bearing Walls and Partitions
  7.1 Size and Restraint of Specimen
  7.2 Loading
  7.3 Conditions of Acceptance
Chapter 8 Tests of Nonbearing Walls and Partitions
  8.1 Size and Restraint of Specimen
  8.2 Conditions of Acceptance
Chapter 9 Tests of Columns
  9.1 Size and Connections of Specimen
  9.2 Loading
  9.3 Conditions of Acceptance
Chapter 10 Alternative Test of Protection for Structural
           Steel Columns
  10.1 Application
  10.2 Size and Character of Specimen
  10.3 Temperature Measurement
  10.4 Exposure to Fire
  10.5 Conditions of Acceptance
Chapter 11 Tests of Floor and Roof Assemblies
  11.1 Application
  11.2 Size and Characteristics of Specimen
  11.3 Loading
  11.4 Temperature Measurement
  11.5 Conditions of Acceptance - Restrained Assembly
  11.6 Conditions of Acceptance - Unrestrained Assembly
Chapter 12 Tests of Loaded Restrained Beams
  12.1 Application
  12.2 Size and Characteristics of Specimen
  12.3 Loading
  12.4 Conditions of Acceptance
Chapter 13 Alternative Procedure for Loaded Beams
  13.1 Application
  13.2 Temperature Measurement
  13.3 Conditions of Acceptance
Chapter 14 Alternative Test of Protection for Solid
           Structural Steel Beams and Girders
  14.1 Application
  14.2 Size and Character of Specimen
  14.3 Temperature Measurement
  14.4 Conditions of Acceptance
Chapter 15 Performance of Protective Membranes in Wall,
           Partition, Floor, or Roof Assemblies
  15.1 Application
  15.2 Characteristics and Size of Sample
  15.3 Temperature Performance of Protective Membranes
  15.4 Conditions of Performance
Chapter 16 Report of Results
  16.1 Fire Resistance Rating as Determined by Test
  16.2 Test of Floor and Roof Assemblies
  16.3 Performance of Protective Membranes
  16.4 Tests of Load-Bearing Assemblies
Annex A Explanatory Material
Annex B Operating Criteria for Fire Tests
Annex C Recommendations for Thermocouple Pads
Annex D Report Information
Annex E Guide for Determining Conditions of Restraint for
        Floor and Roof Assemblies and for Individual Beams
Annex F Method of Correcting Fire Endurance for Concrete
        Slabs Determined by Unexposed Surface Temperature
        Rise for Nonstandard Moisture Content
Annex G Commentary
Annex H Informational References
Index

Describes methods of fire tests for the fire-resistive properties of building members and assemblies.