1、IEEE Std 634-2004(Revision ofIEEE Std 634-1978)634TMIEEE Standard Cable-PenetrationFire Stop Qualification Test3 Park Avenue, New York, NY10016-5997, USAIEEE Power Engineering SocietySponsored by theInsulated Conductors Committee11 May 2005Print: SH95297PDF: SS95297Recognized as anAmerican National
2、Standard (ANSI)The Institute of Electrical and Electronics Engineers, Inc.3 Park Avenue, New York, NY 10016-5997, USACopyright 2005 by the Institute of Electrical and Electronics Engineers, Inc.All rights reserved. Published 11 May 2005. Printed in the United States of America.IEEE is a registered t
3、rademark in the U.S. Patent (978) 750-8400. Permission to photocopy portions of any individual standard for educationalclassroom use can also be obtained through the Copyright Clearance Center.Note: Attention is called to the possibility that implementation of this standard may require use of subjec
4、t mat-ter covered by patent rights. By publication of this standard, no position is taken with respect to the existence orvalidity of any patent rights in connection therewith. The IEEE shall not be responsible for identifying patentsfor which a license may be required by an IEEE standard or for con
5、ducting inquiries into the legal validity orscope of those patents that are brought to its attention.iiiCopyright 2005 IEEE. All rights reserved.IntroductionConfining a fire to the area of origin is desirable for a number of reasons, including protecting a structurespersonnel and/or occupants, preve
6、nting excessive damage to a structures equipment and/or contents, andminimizing the consequential loss as a result of the fire. Fire resistant barriers (e.g., wall, floor, and ceilingpartitions) generally provide the primary means of fire containment. However, the effectiveness of a fireresistant ba
7、rrier may be compromised by the quantity, type, and size of openings or penetrations through thebarrier. In the construction of all types of buildings, openings exist through barriers to allow the passage ofmechanical and electrical equipment. Such openings must be closed or sealed in order for the
8、fire resistancerating of the barrier to be maintained. The fire resistance rating of a barrier is generally determined bytesting in accordance with other industry standards (e.g., ASTM E119a, NFPA 251). The fire resistancerating of cable-penetration fire stops is intended to be determined using this
9、 standard. IEEE Std 634 was initially developed to provide qualification test procedures for type testing cable-penetration fire stops when mounted in fire rated barriers. Originally approved by the IEEE Standards Boardon December 15, 1977, IEEE Std 634 remained unchanged until it was withdrawn in A
10、pril of 1990.Subsequently, a Cable-Penetration Fire Stop Qualification working group was formed to revive the standard.The principle changes from the previous version of this standard include general test methodology,acceptance criteria, and rating classification. The updated standard incorporates m
11、odernized fire testingprotocols, such as furnace pressure requirements, variable temperature acceptance criteria based on actualcable properties, and separate rating classifications for cable-penetration fire stops which limit flamepropagation alone or in addition to limiting unexposed side temperat
12、ure rise (e.g., F-ratings and T-ratings). This standard is intended to provide a controlled method by which cable-penetration fire stops can be testedto determine their fire resistance capability. However, this standard does not address the followingconditions related to cable-penetration fire stops
13、. Pressure seals: Some cable-penetration fire stops may also be required to function as a pressure seal to main-tain an existing differential pressure between areas separated by the barrier in which it is installed. This stan-dard does not address the ability of a cable-penetration fire stop to serv
14、e as a pressure resistant seal, eventhough a correlation could be made to a minor pressure rating based on the specific furnace pressure condi-tion under which this test is performed. Ampacity derating due to cable-penetration fire stops: It is recognized that the thermal insulating character-istics
15、 of a cable-penetration fire stop may have an effect on the ampacity of the cables passing through thepenetration. Design of the cable-penetration fire stop should address this effect. However, ampacity consid-erations are not part of this qualification test and, consequently, are not within the sco
16、pe of this standard.Electrical penetration assemblies in containment structures: Electrical penetration assemblies in containmentstructures are not covered in this standard. For guidance in this area, refer to IEEE Std 31TM.Seismic, radiation, aging, and loss-of-coolant accident (LOCA): Although it
17、is recognized that seismic, radi-ation, aging, and LOCA conditions may be required to be considered and evaluated for nuclear powerplants, these effects are not within the scope of this standard. For guidance in these areas, refer to ANSI/IEEE Std 344TMand IEEE Std 323TM.aInformation on references c
18、an be found in Clause 2.This introduction is not part of IEEE Std 634-2004, IEEE Standard Cable-Penetration Fire Stop Qualification Test.ivCopyright 2005 IEEE. All rights reserved.Test limitations and cautions: This test is performed with a specific standard fire. This fire may or may notbe as sever
19、e as fires actually experienced and hence may not predict the performance of the cable penetra-tion fire stop in actual service. It is the judgment of those experienced in the field that relative performanceis accurately portrayed, and the relative values may be used as a basis for engineering judgm
20、ent in a particu-lar design situation. Notice to usersErrataErrata, if any, for this and all other standards can be accessed at the following URL: http:/standards.ieee.org/reading/ieee/updates/errata/index.html. Users are encouraged to check this URL forerrata periodically.InterpretationsCurrent int
21、erpretations can be accessed at the following URL: http:/standards.ieee.org/reading/ieee/interp/index.html.PatentsAttention is called to the possibility that implementation of this standard may require use of subject mattercovered by patent rights. By publication of this standard, no position is tak
22、en with respect to the existence orvalidity of any patent rights in connection therewith. The IEEE shall not be responsible for identifyingpatents or patent applications for which a license may be required to implement an IEEE standard or forconducting inquiries into the legal validity or scope of t
23、hose patents that are brought to its attention.vCopyright 2005 IEEE. All rights reserved.ParticipantsThe following is a list of participants in the Cable-Penetration Fire Stop Qualification Working Group. John White, ChairScott Groesbeck, Vice ChairThe following members of the individual balloting c
24、ommittee voted on this standard. Balloters may havevoted for approval, disapproval, or abstention. When the IEEE-SA Standards Board approved this standard on 15 November 2004, it had the followingmembership:Don Wright, ChairSteve M. Mills, Vice ChairJudith Gorman, Secretary*Member EmeritusAlso inclu
25、ded are the following nonvoting IEEE-SA Standards Board liaisons:Satish K. Aggarwal, NRC RepresentativeRichard DeBlasio, DOE RepresentativeAlan Cookson, NIST RepresentativeJennie SteinhagenIEEE Standards Project EditorThamir Al-Hussaini Kent W. Brown Steven Graham Ajit Gwal Richard Licht Thomas McCa
26、lley John Merando George Pitman Deggary Priest Albert Spear W. Walker Rachad Zafar Kenneth BowKent W. BrownNissen BursteinJohn CooperTommy CooperMatthew DavisGuru Dutt DhingraAmir El-SheikhGary EngmannSteven GrahamLouis GroesbeckWolfgang B. HaverkampLauri J. HiivalaAjit HiranandaniEdward Horgan Jr.D
27、avid JacksonRobert KonnikMaurice LinkerGlenn LuzziWilliam MajeskiJohn MerandoG. MichelRalph Philbrook IIIJames RuggieriJohn WhiteChuck AdamsStephen BergerMark D. BowmanJoseph A. BruderBob DavisRoberto de Marca BoissonJulian Forster*Arnold M. GreenspanMark S. HalpinRaymond HapemanRichard J. HollemanR
28、ichard H. HulettLowell G. JohnsonJoseph L. Koepfinger*Hermann KochThomas J. McGeanDaleep C. MohlaPaul NikolichT. W. OlsenRonald C. PetersenGary S. RobinsonFrank StoneMalcolm V. ThadenDoug ToppingJoe D. WatsonContents1. Overview 11.1 Scope . 11.2 Purpose 12. Normative references 33. Definitions 34. T
29、est description 44.1 General 44.2 Test specimens. 54.3 Fire test facility and procedure 75. Evaluation of test results 135.1 Type I tests 135.2 Type II . 146. Documentation of testing . 156.1 General 157. Conditions of acceptance and report. 167.1 General 16Annex A (normative) Cable-penetration type
30、 tests 17Annex B (informative) Bibliography 20viCopyright 2005 IEEE. All rights reserved. IEEE Standard Cable-PenetrationFire Stop Qualification Test 1.1.11.2OverviewThis standard provides two methods for qualifying the performance of cable-penetration fire stops (alsoreferred to as “fire stops”) wh
31、en they are installed in rated fire-resistive barriers. The two methods are thegeneral acceptance qualification (Type I) and a cable-specific qualification (Type II). The cables used forType II tests shall be tested to determine their flash-ignition and self-ignition temperatures before theirinclusi
32、on in a fire-stop qualification test. Annex A provides a series of figures that may be used as guidance when developing a test assembly for Type I qualification. Annex B contains the bibliographyassociated with this standard.ScopeThis standard is applicable to fire stops of various materials and con
33、struction. Cable-penetration fire stopsare intended for use in fire-resistive barriers. Tests conducted in conformance with this standard willrecord the performance of fire stops during the test exposure. However, this test shall not be used todetermine the suitability of a fire stop for use after i
34、t is exposed to a fire. This standard also considers theresistance of a fire stop to an external force imposed by a hose stream or water spray. This standard shallnot be used to determine the performance of a fire stop during actual fire conditions when subjected toadditional forces, such as failure
35、 of cable support systems and falling debris. The intent of this standard is to develop data to assist in determining the suitability of a fire stop for use where fire resistance is required.This standard should be used to measure and describe the response of the fire stop material under a set of co
36、ntrolled conditions but should not be used to describe or appraise the fire hazard or fire risk of that fire stop under the actual fire conditions. However, the results of this test may be used as an element of a firehazard assessment or a fire-risk assessment that takes into account all of the fact
37、ors that are pertinent to a particular end use. This standard does not purport to address all of the safety concerns, if any, associatedwith its use. It is the responsibility of the user of this standard to establish appropriate safety and healthpractices and determine the applicability of regulator
38、y limitations prior to use.PurposeThe purpose of this standard is to establish type tests to assure that cable-penetration fire stops meet therequired fire rating.1Copyright 2005 IEEE. All rights reserved. IEEE Std 634-2004IEEE Standard for Cable-Penetration Fire Stop Qualification Test 1.2.11.2.21.
39、2.3GeneralThis test method is used to determine the performance of a cable-penetration fire stop when exposed to thestandard time-temperature curve for control of fire tests from ASTM E814,1and followed by a hose streamtest. The performance of a cable-penetration fire stop is dependent upon the spec
40、ific assembly of materialstested, including the number, type, and size of the module and the fire-resistive barrier in which it isinstalled. An F-rating and T-rating are established for each fire stop tested. An F-rating of a specifiedduration establishes that the fire stop successfully retarded the
41、 passage of fire, flame, and water during the fire endurance and hose stream tests. A T-rating of a specified duration establishes that, in addition to satisfying the F-rating criteria, the fire stop effectively maintained unexposed side temperatures at or below181 qC (325 qF) above initial temperat
42、ure (for Type I tests) or (at or below) the auto ignition temperature ofthe cable type tested (for Type II tests). These ratings are intended as an aid in assessing the performanceof a cable-penetration fire stop.ApplicabilityCable-penetration fire stops that meet the requirements outlined herein ar
43、e intended for use in power-generating stations including, but not limited to, nuclear-generating stations, commercial, and industrialinstallations. Among the categories of cables covered, but not limited to, are those used for the power, thecontrol, and the instrumentation services of those install
44、ations. When applying the results of this test to a particular end use application, consideration should be given to the appropriate type of rating (F-rating orT-rating) based on facility construction and specific requirements of the authority having jurisdiction.Method of approachWhen a cable-penet
45、ration is used in a rated fire-resistive barrier, the cable-penetration fire stop shouldremain intact, prevent the spread of fire, and restrict the passage of hot gases through that barrier for therequired time. A fire-resistive barrier should meet the requirements of ASTM E119. The ASTM E119 test i
46、s also known as NFPA 251 and ANSI A2.1B1.2The ASTM E119 test is designed to measure the amountof heat transferred through a fire-resistive barrier from its fire side to its unexposed side. The fire side is exposed to the flame and hot gases of the test furnace and the unexposed side is exposed to th
47、e ambient conditions of the test facility. Fire-resistive barriers that meet the requirements of ASTM E119 fire testsare rated by the amount of time that they resist the effects of a controlled fire without exceeding thetemperature limits set forth in the standard. ASTM E119 temperature limits are a
48、 maximum temperaturerise of 181 qC (325 qF) above the initial temperature for individual thermocouples and a maximumtemperature rise of 139 qC (250 F) above the initial temperature for the average of all unexposed sidethermocouple readings. This standard provides two methods to determine the impact
49、of a cable-penetrationon a rated fire-resistive barrier. The first method, Type I, is a general evaluation of a cable-penetration firestop that establishes a broad qualification. Type I tests invoke a maximum unexposed temperature of181 qC (325 F) above the initial temperature for all required thermocouple locations. The second method,Type II, is a cable-specific evaluation of a cable-penetration fire stop that establishes a qualification for aspecific cable type only. For Type II tests the flash-ignition and self-ignition temperatures of the cables tobe tested in th
