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NFPA 251 : 2006

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

FIRE RESISTANCE OF BUILDING CONSTRUCTION AND MATERIALS
Available format(s)

Hardcopy

Withdrawn date

08-25-2021

Language(s)

English

Published date

01-01-2006

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.

DocumentType
Standard
Pages
35
ProductNote
Superseded by ASTM E 119 : 2016-04,UL 263:14ED 2011-06.
PublisherName
National Fire Protection Association
Status
Withdrawn
SupersededBy
Supersedes

NFPA 42 : 2002 STORAGE OF PYROXYLIN PLASTIC
ASTM E 2748 : 2012 : REV A : R2017 Standard Guide for Fire-Resistance Experiments
NFPA 255 : 2006 TEST OF SURFACE BURNING CHARACTERISTICS OF BUILDING MATERIALS
NFPA 851 : 2010 FIRE PROTECTION FOR HYDROELECTRIC GENERATING PLANTS
NFPA 400 : 2016 HAZARDOUS MATERIALS CODE
UFC 4-510-01 : Change 2 UNIFIED FACILITIES CRITERIA - DESIGN: MILITARY MEDICAL FACILITIES
NFPA 912 : 1993 FIRE PROTECTION IN PLACES OF WORSHIP
NFPA 101M : 1992 ALTERNATIVE APPROACHES TO LIFE SAFETY
NFPA 231E : 1996 STORAGE OF BALED COTTON
API 2218 : 2013 FIREPROOFING PRACTICES IN PETROLEUM AND PETROCHEMICAL PROCESSING PLANTS
NFPA 101B : 2002 MEANS OF EGRESS FOR BUILDINGS AND STRUCTURES
NASA-STD-8719.11B:2020 STANDARD FOR FIRE PROTECTION AND LIFE SAFETY
NFPA 803 : 1998 FIRE PROTECTION FOR LIGHT WATER NUCLEAR POWER PLANTS
NFPA 230 : 2003 FIRE PROTECTION OF STORAGE
NFPA 1 : 2021 FIRE CODE
CTI MANUAL CH. 12 : 2010 FIELD-ERECTED COOLING TOWER FIRE PROTECTION
NFPA 913 : 1992 HISTORIC SITES AND STRUCTURES
NFPA 232AM : 1991 FIRE PROTECTION FOR ARCHIVES AND RECORDS CENTERS
NFPA 19911 : 1991 FIRE PROTECTION OF MUSEUMS AND MUSEUM COLLECTIONS
NASA KSC E 166 : 2009 INSTALLATION AND ASSEMBLY, ELECTRICAL GROUND SUPPORT EQUIPMENT (GSE) SPECIFICATION FOR
NASA STD 8719.12 : 2010 SAFETY STANDARD FOR EXPLOSIVES, PROPELLANTS, AND PYROTECHNICS
ASTM E 2837 : 2013 : R2017 Standard Test Method for Determining the Fire Resistance of Continuity Head-of-Wall Joint Systems Installed Between Rated Wall Assemblies and Nonrated Horizontal Assemblies
ASTM E 2837 : 2013 Standard Test Method for Determining the Fire Resistance of Continuity Head-of-Wall Joint Systems Installed Between Rated Wall Assemblies and Nonrated Horizontal Assemblies
NASA STD 8719.11 : 2008 SAFETY STANDARD FOR FIRE PROTECTION
NFPA 43B : 1993 STORAGE OF ORGANIC PEROXIDE FORMULATIONS
NFPA 40E : 1993 STORAGE OF PYROXYLIN PLASTICS
NFPA 432 : 2002 CODE FOR THE STORAGE OF ORGANIC PEROXIDE FORMULATIONS
NFPA 901 : 2016 CLASSIFICATIONS FOR INCIDENT REPORTING AND FIRE PROTECTION DATA
NFPA 81 : 1986 FUR STORAGE, FUMIGATION AND CLEANING
ASTM E 2748 : 2012 : REV A Standard Guide for Fire-Resistance Experiments
NFPA 30 FRENCH : 1996 FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE
ASTM E 2748 : 2012 Standard Guide for Fire-Resistance Experiments
NFPA 1 : 2018 FIRE CODE

NFPA 255 : 2006 TEST OF SURFACE BURNING CHARACTERISTICS OF BUILDING MATERIALS
ASTM C 569 : 1983 Method of Test for Indentation Hardness of Preformed Thermal Insulations (Withdrawn 1988)
UL 385:10ED 2005-02 Standard for Play Pipes for Water Supply Testing in Fire Protection Service

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