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Significance and Use
5.1 This guide provides assistance for planning room fire tests. The object of each experiment is to evaluate the role of a material, product, or system in the fire growth within one or more compartments.
5.2 The relationship between laboratory fire test methods and actual room fires can be investigated by the use of full-scale and reduced-scale experiments. This guide is aimed at establishing a basis for conducting full-scale experiments for the study of room fire growth.
5.3.1 Reconstruction room fire tests are full scale replicates of a fire scene with the geometry, materials, contents, and ignition source intended to duplicate a particular scenario. The usual purpose of such a test is to evaluate what happened or what might happen in such a scenario.
5.3.2 Simulation room fire tests are comparable to reconstruction fire tests, except that not all of the parameters are duplicated. A simulated fire test is one in which one or more components of a fire scenario are altered, usually in order to facilitate conducting the test. The compartment design must carefully address geometry and materials of construction to ensure that they do not significantly alter the fire response. Reconstruction and simulation fire tests often have a distinctive objective, such as time to flashover, that is related to the nature of the original fire scene.
5.3.3 Research room fire tests are conducted in order to elucidate the effects of one or more of the following: geometry, materials, placement of items, ventilation, or other parameters. The measured effects (such as room temperature, heat flux, heat release rate, time to flashover, post flashover conditions) are chosen to provide the most useful information.
5.3.4 Standardization room fire tests include scenarios that have been adopted by a standardization body. In this case, the compartment, ignition source, instrumentation and the nature of the contents are specified. The purpose of such a test is often the evaluation of a specific fire test response parameter. Simplified geometries and materials of construction are selected, party because the compartment is intended to be used repeatedly. Either simulated or actual commercial test objects are specified. The geometry of the compartment is generally specified to allow well-ventilated burning of the contents, with minimal radiative feedback, and to permit observation of flame spread. In most standardized fire tests, flashover is a termination point for the test.
5.3.5 In all cases, the room lining materials should be chosen carefully. Short duration fire response tests that do not reach flashover may be less affected by lining materials than longer duration fire tests that are intended to go to flashover. The thermal properties of the lining material (emissivity, thermal conductivity, thermal inertia) should be considered. The three main variables in compartment design must be considered for any of the types of room size fire tests: ventilation, geometry, and compartment materials (see Section 6).
1.2 It is intended as a guide for the design of the experiment and for the use and interpretation of its results. The guide is also useful for establishing laboratory conditions that simulate a given set of fire conditions to the greatest extent possible.
1.3 This guide allows users to obtain fire-test-response characteristics of materials, products, or assemblies, which are useful data for describing or appraising their fire performance under actual fire conditions.
1.3.1 The results of experiments conducted in accordance with this guide are also useful elements for making regulatory decisions regarding fire safety requirements. The use for regulatory purposes of data obtained from experiments conducted using this guide requires that certain conditions and criteria be specified by the regulating authority.
1.6 One of the major reasons for conducting room fire experiments is as an experimental means of assessing the potential fire hazard associated with the use of a material or product in a particular application. This should be borne in mind when designing nonstandard experiments.
1.10 This standard is used to measure and describe the response of materials, products, or assemblies to heat and flame under controlled conditions, but does not by itself incorporate all factors required for fire hazard or fire risk assessment of the materials, products, or assemblies under actual fire conditions
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ISO StandardsGUM, Guide to the Expression of Uncertainty in Measurement ISO13943 Fire Safety--Vocabulary ISO17025 General Requirements for the Competence of Testing and Calibration Laboratories ISO9705 Fire Tests--Full Scale Room Fire Tests for Surface Products
D4442 Test Methods for Direct Moisture Content Measurement of Wood and Wood-Base Materials
D4444 Test Method for Laboratory Standardization and Calibration of Hand-Held Moisture Meters
D5424 Test Method for Smoke Obscuration of Insulating Materials Contained in Electrical or Optical Fiber Cables When Burning in a Vertical Cable Tray Configuration
D5537 Test Method for Heat Release, Flame Spread, Smoke Obscuration, and Mass Loss Testing of Insulating Materials Contained in Electrical or Optical Fiber Cables When Burning in a Vertical Cable Tray Configuration
E176 Terminology of Fire Standards
E800 Guide for Measurement of Gases Present or Generated During Fires
E906 Test Method for Heat and Visible Smoke Release Rates for Materials and Products Using a Thermopile Method
E1321 Test Method for Determining Material Ignition and Flame Spread Properties
E1354 Test Method for Heat and Visible Smoke Release Rates for Materials and Products Using an Oxygen Consumption Calorimeter
E1355 Guide for Evaluating the Predictive Capability of Deterministic Fire Models
E1537 Test Method for Fire Testing of Upholstered Furniture
E1590 Test Method for Fire Testing of Mattresses
E1822 Test Method for Fire Testing of Stacked Chairs
E2067 Practice for Full-Scale Oxygen Consumption Calorimetry Fire Tests
E2257 Test Method for Room Fire Test of Wall and Ceiling Materials and Assemblies
UL StandardsUL1040 Fire Test of Insulated Wall Construction UL1715 Fire Test of Interior Finish Material
ICBO StandardsUniformBuildingCodeS Room Fire Test Standard for Interior of Foam Plastic Systems UniformBuildingCodeS Standard Test Method for Evaluating Room Fire Growth Contribution of Textile Wallcoverings
FM StandardFM4880 Large Scale Open Building Corner Test
ICS Number Code 13.220.50 (Fire-resistance of building materials and elements)