1、Designation: E 2226 08An American National StandardStandard Practice forApplication of Hose Stream1This standard is issued under the fixed designation E 2226; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revisio
2、n. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.INTRODUCTIONSeveral fire-test-response standards (such as ASTM E119, E 814, E 2074, and E 1966) in order toassess the integrity of building e
3、lements after exposure to a specified test fire, require test specimensto be evaluated by exposure to a hose stream. It is important to standardize certain elements of the hosestream to promote uniformity in requirements. To attain this goal, this practice describes a standardapparatus for deliverin
4、g a solid stream of water and prescribes a standard method of subjectingbuilding elements to a hose stream after fire exposure.1. Scope1.1 This practice is applicable to building elements requiredto be subjected to the impact, erosion, and cooling effects of ahose stream as part of a fire-test-respo
5、nse standard. Buildingelements include, but are not limited to, wall and partitionassemblies, fire-resistive joint systems, and doors.1.2 This practice shall register performance of the buildingelement under specific hose stream conditions. It shall notimply that, either after exposure or under othe
6、r conditions, thestructural capability of the building element is intact or that thebuilding element is suitable for use.1.3 The result derived from this practice is one factor inassessing the integrity of building elements after fire exposure.The practice prescribes a standard hose stream exposure
7、forcomparing performance of building elements after fire expo-sure and evaluates various materials and construction tech-niques under common conditions.1.4 UnitsThe values stated in inch-pound units are to beregarded as standard. The values given in parentheses aremathematical conversions to SI unit
8、s that are provided forinformation only and are not considered standard.1.5 The text of this standard references notes which provideexplanatory material. These notes shall not be considered asrequirements of the standard.1.6 This fire standard cannot be used to provide quantitativemeasures.1.7 This
9、standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2
10、.1 ASTM Standards:2E119 Test Methods for Fire Tests of Building Constructionand MaterialsE 176 Terminology of Fire StandardsE 631 Terminology of Building ConstructionsE 814 Test Method for Fire Tests of Through-PenetrationFire StopsE 1966 Test Method for Fire-Resistive Joint SystemsE 2074 Test Metho
11、d for Fire Tests of Door Assemblies,Including Positive Pressure Testing of Side-Hinged andPivoted Swinging Door Assemblies32.2 UL Standard:UL 385 Standard for Safety Play Pipes for Water SupplyTesting in Fire-Protection Service43. Terminology3.1 DefinitionsFor definitions of terms used in this prac-
12、tice, refer to Terminologies E 176 and E 631.3.2 Definitions of Terms Specific to This Standard:3.2.1 building element, na component or assembly ofmaterials using products manufactured as independent units1This practice is under the jurisdiction of ASTM Committee E05 on FireStandards and is the dire
13、ct responsibility of Subcommittee E05.11 on FireResistance.Current edition approved May 1, 2008. Published May 2008. Originallyapproved in 2002. Last previous edition approved in 2007 as E 222607.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at
14、 serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Withdrawn.4Available from Underwriters Laboratories (UL), Corporate Progress, 333Pfingsten Rd., Northbrook, IL 60062.1Copyright ASTM International, 100 Barr Harbor
15、Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.capable of being joined with or placed within other compo-nents or assemblies to create a structure.3.2.2 exposed area, nthe total surface area of the testassembly that is subjected to the fire-resistance test including,when require
16、d, the supporting construction.3.2.3 fully developed stream, na coherent, forceful pro-jection of water similar in shape and intensity to the streambeing applied to the exposed side of the test assembly from thenozzle.3.2.4 supporting construction, nconstruction required forthe testing of some build
17、ing elements into which the testspecimen is assembled, for example, the wall into which a dooris fitted.3.2.5 test assembly, nthe building element or elementsbeing tested and, if applicable, the supporting construction.4. Significance and Use4.1 This practice is intended to standardize the apparatus
18、used and the method or pattern of application of a standardhose stream to building elements as one part of the assessmentand fire resistance classification of building elements.4.2 This practice is intended to be used only after a testassembly has completed a prescribed standard fire-resistancetest.
19、4.3 The practice exposes a test assembly to a standard hosestream under controlled laboratory conditions.4.3.1 Water pressure and duration of exposure are notspecified in this practice. Duration of exposure, water pressure,and pass/fail criteria are defined in the appropriate fire testmethod.4.3.2 T
20、his exposure is not intended to replicate typical firefighting operations or all applied or impact loads a systemcould be subjected to in field use and conditions.4.4 Any variation from tested conditions has the potential ofsubstantially changing the performance characteristics deter-mined by this p
21、ractice.5. Apparatus5.1 The apparatus used to apply the hose stream is shown inFig. 1 and shall be capable of delivering a solid stream of waterat the pressure specified in the fire-resistance test method.5.1.1 The water stream shall be delivered through a 2-12 in.(64 mm) hose discharging through a
22、National Standard Play-pipe of corresponding size equipped with a 1-18 in. (29 mm)discharge tip of standard taper, smooth-bore pattern without ashoulder at the orifice. Refer to UL 385.5.1.2 The water pressure at the base of the nozzle shall bemeasured by providing a 12 in. (305 mm) length of a stra
23、ightrun 2-12 in. (64 mm) pipe between the hose and the playpipe.Eight inches downstream from one end, the pipe shall have an18 in. (3.2 mm) diameter pressure tap drilled through the pipesidewall with a pipe coupling welded or brazed concentricallyover the hole. The pressure tap shall be flush with a
24、ndFIG. 1 Hose Stream ApparatusE2226082perpendicular (6 5) to the inner wall of the pipe. Burrs orother irregularities shall be removed or corrected.5.1.3 A pressure gauge calibrated in 1 psi (5 kPa) incre-ments shall be fitted on the end of the coupling. The pressuregauge shall be capable of reading
25、 a maximum pressure of atleast 59 psi (406 kPa) and shall have a full scale reading nogreater than 300 psi (2070 kPa).5.2 The hose stream apparatus shall be connected to asource of water capable of maintaining the required minimumpressure, as specified in the fire-resistance test method, at thenozzl
26、e under flow conditions throughout the hose stream test.6. Test Specimen and Conditioning6.1 Prior to conducting the hose stream test, the testspecimen shall be conditioned and fire tested as specified in theapplicable fire-resistance test method.7. Nozzle Location7.1 The nozzle tip shall be located
27、 so that its axis is 90 tothe center of the test assembly as shown in Fig. 2. However, ifthe axis is other than 90, refer to 7.2.1.7.2 The distance between the center of the test assembly andthe nozzle tip shall be 20 6 1 ft (6.1 6 0.3 m) as shown in Fig.2.7.2.1 The distance specified in 7.2 shall b
28、e decreased by 1 ft(305 mm) for each 10 deviation from the normal as shown inFig. 3. The maximum deviation from the normal shall notexceed 30.8. Procedure8.1 Prior to the fire test, the laboratory shall ensure that thedischarge pressure specified in the fire-resistance test method iscapable of being
29、 attained.8.2 Condition and fire test the test specimen in accordancewith the requirements of the fire-resistance test method.8.3 Unless otherwise specified, immediately, but not longerthan 10 min after the termination of the fire test, perform all ofthe following prior to the application of the hos
30、e stream:8.3.1 Remove the test assembly and frame from the furnace,when applicable.8.3.2 Position the test assembly in such a manner as to beable to apply the hose stream to the entire surface of the testassembly that had been exposed to the fire.8.3.3 Position the tip of the nozzle at the specified
31、 distancefrom the center of the test assembly.8.3.4 Adjust the nozzle hose stream to the specified pres-sure. During adjustment, the hose stream shall not contact thetest assembly.8.3.5 Videotape or photograph both the exposed and unex-posed sides of the test assembly.8.3.6 Position personnel to obt
32、ain an unobstructed view ofboth the exposed and unexposed sides of the test assemblyduring the hose stream test.8.3.7 Commence the application of the hose stream asdescribed in 8.4.8.4 Commence the hose stream test by directing the hosestream to one corner of the test assembly first. Continue toFIG.
33、 2 Nozzle Tip Position Relative to Exposure Face of Test SpecimenE2226083direct the stream to the entire exposed face of the test assemblyin accordance with the following:8.4.1 Pass the hose stream across the test assembly at a rateof 3 to 6 feet per second (0.9 to 1.8 metres per second).Movement fr
34、om one side of the test assembly to the otherconstitutes one pass.8.4.2 When changing directions to make the return pass,change direction slowly and off of the test assembly withouthalting the directional movement of the application of the hosestream. Moving the nozzle from side to side, apply the h
35、osestream to cover the entire exposed face of the fire testassembly. After completing the side-to-side application of thehose stream, immediately change direction and apply the hosestream over the exposed face of the assembly by moving thenozzle at right angles to the side-to-side application. Fig.
36、4 isone example of the pattern that shall be used.FIG. 3 Nozzle Tip Position Correction for Deviation from 90FIG. 4 Typical Hose Stream PatternE2226084NOTE 1Ideally, the difference between the number of hose streampasses in the horizontal direction compared to the vertical direction doesnot exceed 1
37、0 % of the total.8.4.3 As defined in the fire-test-response standard, terminatethe application of the hose stream upon completion of therequired duration of exposure or when failure occurs, which-ever occurs first.8.4.4 After terminating the test, photograph both the ex-posed and unexposed sides of
38、the test assembly.9. Observations During the Hose Stream9.1 Observe the unexposed surface of the test assemblyduring the application of the hose stream for the developmentof any hole, crack, or other penetration that allows the passageof water from the hose stream.9.2 Observe any fully developed str
39、eam, wetting of theunexposed surface, water rolling down the unexposed surface,or water projected beyond the unexposed surface.10. Report10.1 Report test conditions and observations as part of thefire resistance test report and as specified in the fire-resistancetest method.10.1.1 Report observation
40、s from the unexposed side of thetest assembly including the development of any hole, crack, orother penetration that allows the passage of water from thehose stream.10.1.2 Report any fully developed stream, wetting of theunexposed surface, water rolling down the unexposed surface,or water projected
41、beyond the unexposed surface.10.1.3 Report observations of water projecting between thedevice or construction and the supporting construction or thetest frame.11. Keywords11.1 building element; composite assembly; curtain wall;door; fire barrier; fire-resistive joint system; fire stop; floor;hose st
42、ream; impact force; masonry unit assembly; nozzle;thermal shock; wall; windowASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validi
43、ty of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your commen
44、ts are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have no
45、t received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).E2226085
