1、NFPA1150 Standard on Foam Chemicals for Fires in Class A Fuels 2010 Edition NFPA, 1 Batterymarch Park, Quincy, MA 02169-7471 An International Codes and Standards Organization NOTICE AND DISCLAIMER OF LIABILITY CONCERNING THE USE OF NFPA DOCUMENTS NFPAcodes, standards, recommended practices, and guid
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24、ards Council, NFPA, 1 Batterymarch Park, P.O. Box 9101, Quincy, MA 02169-7471; email: stds_adminnfpa.org For more information about NFPA, visit the NFPA website at www.nfpa.org. 12/09Copyright 2009 National Fire Protection Association. All Rights Reserved.NFPA1150Standard onFoam Chemicals for Fires
25、in Class A Fuels2010 EditionThis edition of NFPA 1150, Standard on Foam Chemicals for Fires in ClassAFuels, was prepared bythe Technical Committee on Forest and Rural Fire Protection. It was issued by the StandardsCouncil on October 27, 2009, with an effective date of December 5, 2009, and supersede
26、s allprevious editions.This edition of NFPA 1150 was approved as an American National Standard on Decem-ber 5, 2009.Origin and Development of NFPA 1150The first edition of this document was issued in 1989 as NFPA 298, Standard on Foam Chemicalsfor Wildland Fire Control, in response to a perceived ne
27、ed for a performance standard dealing withthe foam chemicals being used in controlling wildland fires. The 1994 edition was a completerevision to make the document consistent with the developing changes in Class A foam technol-ogy. The title was changed to Standard on Fire Fighting Foam Chemicals fo
28、r Class A Fuels in Rural,Suburban, and VegetatedAreas.In 1999, the document was again revised to reflect further advancements in technology and agreater number of Class A concentrates and delivery systems available for use. The document wasrenumbered as NFPA 1150, which put it within the numerical g
29、rouping of documents under theresponsibility of the Technical Committee on Forest and Rural Fire Protection.The 2004 edition was a complete revision to bring the document into conformance withthe Manual of Style forNFPATechnical Committee Documents. The title was changed to Standard onFoam Chemicals
30、 for Fires in Class A Fuels to recognize that these chemicals are being used notonly in rural or wildland areas but in structural fire fighting and urban areas as well. The testprocedures for the chemicals as well as the lists of materials tested for compatibility with thechemicals were updated to e
31、nsure the product is consistent with the needs of fire suppressionpersonnel who are using the chemicals to control, suppress, or prevent fires in Class A fuels.In the 2010 edition, an entirely new section has been added regarding exposure protectioneffectiveness of Class A foams. The standard now in
32、cludes a test methodology involving lateralignition flame spread on substrate treated with foam solutions. This important information will beuseful for fire departments as well as manufacturers/producers of Class A foam products.11501NFPA and National Fire Protection Association are registered trade
33、marks of the National Fire Protection Association, Quincy, Massachusetts 02169.Technical Committee on Forest and Rural Fire ProtectionRandall K. Bradley, ChairAlameda County Fire Department, CA UJames D. Bowman, American Forest Polyvinyl Chloride (PVC)Flexible (General Use), October 31, 2002.MIL-PRF
34、-81733D, Sealing and Coating Compound, CorrosionInhibitive, May 15, 1998.2.3.9 Other Publications. Merriam-Websters Collegiate Dictionary,11th edition, Merriam-Webster, Inc., Springfield, MA, 2003.2.4 References for Extracts in Mandatory Sections.NFPA 472, Standard for Competence of Responders to Ha
35、zardousMaterials/Weapons of Mass Destruction Incidents, 2008 edition.Chapter 3 Definitions3.1 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 ordin
36、arily accepted meanings withinthe context in which they are used. Merriam-Websters CollegiateDictionary, 11th edition, shall be the source for the ordinarilyaccepted meaning.3.2 NFPA Official Definitions.3.2.1* Authority Having Jurisdiction (AHJ). An organization,office, or individual responsible fo
37、r enforcing the require-ments of a code or standard, or for approving equipment,materials, an installation, or a procedure.3.2.2 Shall. Indicates a mandatory requirement.3.2.3 Should. Indicates a recommendation or that which isadvised but not required.3.2.4 Standard. A document, the main text of whi
38、ch containsonly mandatory provisions using the word “shall” to indicate re-quirements and which is in a form generally suitable for manda-tory reference by another standard or code or for adoption intolaw. Nonmandatory provisions shall be located in an appendix orannex, footnote, or fine-print note
39、and are not to be considereda part of the requirements of a standard.3.3 General Definitions.3.3.1 Artificial Sea Water. A solution that consists of 1.10 per-cent magnesium chloride hexahydrate, 0.16 percent calciumchloride dihydrate, 0.40 percent anhydrous sodium sulfate,2.50 percent sodium chlorid
40、e, and 95.84 percent deionized ordistilled water.3.3.2 Biodegradability. A measure of the decomposition oforganic matter through the action of microorganisms.3.3.3 Class A Foam. Foam for use on fires in Class A fuels.3.3.4 Class A Fuel. Materials such as vegetation, wood, cloth,paper, rubber, and so
41、me plastics in which combustion can oc-cur at or below the surface of the material.3.3.5 Drain Time. The time that it takes for a specified per-cent (customarily 25 percent) of the total solution that is con-tained in the foam to revert to liquid and drain out of thebubble structure.3.3.6 ExpansionR
42、atio. The ratio of the volume of the foam inits aerated state to the original volume of the non-aeratedfoam solution.3.3.7 ExposureProtectionEffectiveness. The ability of a prod-uct to increase the time to ignition of a substrate subjected to aprescribed radiant heat source.3.3.8 Fixed Tank. A tank
43、that is internal to or attached di-rectly to a helicopter.3.3.9 Flash Point. The minimum temperature of a liquid atwhich it gives off vapor sufficient to form an ignitible mixturewith air near the surface of the liquid under specified environ-mental conditions.3.3.10 Foam. An aggregation of bubbles
44、lighter than water cre-ated by forcing or entraining air into a foam solution by means ofsuitably designed equipment or by cascading it through the air.3.3.11 Foam Chemicals. A generic name for the liquid foamconcentrate, foam solution, and foam in whatever form it is be-ing used.3.3.12* Foam Concen
45、trate. The foaming agent as receivedfrom the supplier that, when mixed with water, becomes foamsolution.3.3.13 Foam Solution. A homogeneous mixture of foam con-centrate and water in the mix ratio required to meet the needsof the user.3.3.14 IntergranularCorrosion. A corrosive attack on metal atthe g
46、rain boundary.3.3.15* Laboratory Fresh Water. Deionized or distilled waterto which calcium chloride has been added to provide a hard-ness measure of 120 to 140 ppm of calcium carbonate.3.3.16 LC50(Lethal Concentration50). The concentration ofagent in water, usually expressed as milligrams of agent i
47、n aliter of solution, that results in the death of 50 percent of theaquatic test specimens within a specified time frame.11505DEFINITIONS2010 Edition3.3.17 LD50(Lethal Dosage50). The dosage of a chemical,usually expressed as milligrams of the chemical per kilogramof body weight of the test animal, a
48、t which 50 percent of thetest animals die within a specified time frame.3.3.18* Material Safety Data Sheet (MSDS). A form, providedby manufacturers and compounders (blenders) of chemicals,containing information about chemical composition, physicaland chemical properties, health and safety hazards, e
49、mergencyresponse, and waste disposal of the material. 472, 20083.3.19 Miscibility. The ability of concentrate to mix with waterunder specified conditions without separation into phases.3.3.20 MixRatio. The proportion of foam concentrate in thefoam solution, expressed as a volume percentage.3.3.21 SurfaceTension. The elastic-like force at the surface of aliquid, which tends to minimize the surface area, causing dropsto form.3.3.22 Uniform Corrosion. Removal of metal by chemicalmeans over the entire surface.3.3.23 Vis
