1、NFPA288 Standard Methods of Fire Tests of Horizontal Fire Door Assemblies Installed in Horizontal Fire ResistanceRated Assemblies 2012 Edition NFPA, 1 Batterymarch Park, Quincy, MA 02169-7471 An International Codes and Standards Organization Become a MemberSubscribeto theRegister forSeminars, Webina
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25、NFPA, visit the NFPA website at www.nfpa.org. 12/11Copyright 2012 National Fire Protection Association. All Rights Reserved.NFPA288Standard Methods ofFire Tests of Horizontal Fire Door Assemblies Installed in HorizontalFire ResistanceRated Assemblies2012 EditionThis edition of NFPA 288, Standard Met
26、hods of Fire Tests of Horizontal Fire Door AssembliesInstalled in Horizontal Fire ResistanceRatedAssemblies, was prepared by the Technical Committeeon Fire Tests. It was issued by the Standards Council on December 13, 2011, with an effectivedate of January 2, 2012, and supersedes all previous editio
27、ns.This edition of NFPA 288 was approved as an American National Standard on January 2, 2012.Origin and Development of NFPA 288This test procedure was developed in response to inquiries from outside sources to investigateand establish a testing procedure for floor fire doors. NFPA 80, Standard for F
28、ire Doors and OtherOpening Protectives, had a reference for horizontal access doors. It required these assemblies to betested in a horizontal position in accordance with the procedure described in NFPA 251, StandardMethods of Tests of Fire Endurance of Building Construction and Materials (now withdr
29、awn).NFPA 251 noted that the test standard did not provide for the effect on fire endurance ofconventional openings in the assembly unless specifically provided for in the constructiontested. This provision limited the testing of the floor fire door to the particular floor/ceilingor roof assembly us
30、ed. Prior to this test method being developed, some testing laboratoriesprovided testing and labeling of these products. There were many test protocols that had tobe assumed, which created inconsistency in the testing procedures and listing requirements.This test procedure provides for consistency i
31、n the testing and listing of floor fire doors.The test procedure has incorporated provisions from NFPA 251, Standard Methods ofTests of fireResistance of Building Construction and Materials (now withdrawn), NFPA 252, Standard Methodsof Fire Tests of DoorAssemblies, where appropriate.The 2007 edition
32、 of NFPA 288 was a reconfirmation of the 2001 edition.The 2012 editions scope has been expanded to include horizontal assemblies, such asroofs. Requirements for thermocouple locations have been revised.2881NFPA and National Fire Protection Association are registered trademarks of the National Fire P
33、rotection Association, Quincy, Massachusetts 02169.Technical Committee on Fire TestsWilliam E. Fitch, ChairPhyrefish Enterprises, Inc., FL SEFarid Alfawakhiri, American Iron and Steel Institute,IL MBarry L. Badders, Jr., Southwest Research Institute,TX RTJesse J. Beitel, Hughes Associates, Inc., MD
34、SERobert G. Bill, Jr., FM Global, MA IGordon H. Damant, Inter-City Testing however, such tests shall not be con-strued as determining the suitability of horizontal fire doorassemblies for use after their exposure to fire.1.2 Purpose. This test method develops data used to deter-mine the ability of a
35、 horizontal fire door assembly to protectopenings in fire resistancerated floors or roofs.1.3 Application.1.3.1 This test method evaluates the performance of a hori-zontal fire door assembly as follows:(1) By measuring the ability of the horizontal fire door toremain in an opening and resist the pas
36、sage of flame andheat during a predetermined test exposure(2) By measuring the load-carrying ability of the test speci-men during the fire test1.3.2 This test method shall expose a specimen to a standardfire that is controlled to achieve specified temperaturesthroughout a specified time period. The
37、exposure, however, isnot representative of all fire conditions, since fire conditionscan vary with changes in the amount, nature, and distributionof fire loading; ventilation; compartment size and configura-tion; and the thermal-physical properties of the compartmentwall, ceiling, roof, and floors.
38、The exposure shall provide arelative measure of the fire performance of horizontal firedoor assemblies under the specified fire exposure conditions.1.3.3 This test method does not provide the following:(1) Information on the performance of horizontal fire doorassemblies in floors or roofs that are c
39、onstructed of mate-rials other than those tested(2) An evaluation of the degree to which a horizontal firedoor assembly contributes to the fire hazard through thegeneration of smoke, toxic gases, or other products ofcombustion(3) A measurement of the degree of control or limitation ofthe passage of
40、smoke or products of combustion throughthe horizontal fire door assembly(4) Measurement of flame spread over the surface of the hori-zontal fire door assemblyChapter 2 Referenced Publications2.1 General. The documents or portions thereof listed in thischapter are referenced within this standard and
41、shall be con-sidered part of the requirements of this document.2.2 NFPA Publications. (Reserved)2.3 Other Publications.Merriam-Websters Collegiate Dictionary, 11th edition. Merriam-Webster, Inc., Springfield, MA, 2003.2.4 References for Extracts in Mandatory Sections. (Re-served)Chapter 3 Definition
42、s3.1 General. The definitions contained in this chapter shallapply to the terms used in this standard. Where terms are notdefined in this chapter or within another chapter, they shallbe defined using their ordinarily accepted meanings withinthe context in which they are used. Merriam-Websters Colleg
43、iateDictionary, 11th edition, shall be the source for the ordinarilyaccepted meaning.3.2 NFPA Official Definitions.3.2.1 Shall. Indicates a mandatory requirement.3.2.2 Should. Indicates a recommendation or that which isadvised but not required.3.2.3 Standard. A document, the main text of which conta
44、insonly mandatory provisions using the word “shall” to indicaterequirements and which is in a form generally suitable formandatory reference by another standard or code or for adop-tion into law. Nonmandatory provisions shall be located in anappendix or annex, footnote, or fine-print note and are no
45、t tobe considered a part of the requirements of a standard.3.3 General Definitions.3.3.1 Horizontal Fire Door Assembly. A combination of a firedoor, a frame, hardware, and other accessories installed in ahorizontal plane, which together provide a specific degree offire protection to a through-openin
46、g in a fire resistanceratedfloor or roof.2884 FIRE TESTS OF HORIZONTAL FIRE DOOR ASSEMBLIES IN HORIZONTAL FIRE RESISTANCERATED ASSEMBLIES2012 EditionChapter 4 Control of Fire Test4.1 Time-Temperature Curve.4.1.1 The fire exposure of horizontal fire door assembliesshall be controlled to conform to th
47、e applicable portion of thestandard time-temperature curve shown in Figure 4.1.1.4.1.2 The standard time-temperature curve shall be definedby the points specified in Table 4.1.2.4.1.3 The temperature inside the furnace at the start of thetest shall be ambient.4.2 Furnace Temperature Measurements.4.2
48、.1 The temperature fixed as specified in Section 4.1 shall bethe average temperature that is obtained from the readings ofnot less than nine thermocouples, which are symmetrically dis-posed and distributed to show the temperature near all parts ofthe sample. The thermocouples shall be enclosed in pr
49、otectiontubes of such materials and dimensions that the time constant ofthe protected thermocouple assembly lies within the range of5 minutes to 7.2 minutes. The exposed length of the pyrometertube and thermocouple in the furnace chamber shall be not lessthan 305 mm (12 in.). Other types of protecting tubes or pyrom-eters shall be permitted to be used that, under test conditions,provide the same time range specified above within the accuracyrequirement that applies for the measurement of furnace tem-per
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