1、Designation:F234904(Reapproved 2010)Standard Practice forOperation and Maintenance of Integrated Natural GasPipelines and Optical Fiber Systems1This standard is issued under the fixed designation F2349;the number immediately following the designation indicates the year oforiginal adoption or,in the
2、case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This practice covers the operation and maintenance ofnatural gas distribution and service pipe
3、lines containing opticalfiber cable and the operation and maintenance of the opticalfiber system.1.2 This practice applies to distribution and service linesused to transport natural gas.1.3 This practice does not apply to natural gas transmissionlines.1.4 The values stated in inch-pound units are to
4、 be regardedas standard.No other units of measurement are included in thisstandard.1.5 This 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 det
5、ermine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 Referenced Documents:ANSI Z 117.1-2003Safety Requirements for ConfinedSpaces2CFR 49 Code of Federal RegulationsTitle 49,Part 1923IEC 60825-1 Ed.1.2 en 2001,Safety of Laser ProductsPart 1:Equipment Classificati
6、on,Requirements and Us-ers Guide4IEC 60050-731 Electrotechnical Vocabulary:Optical FiberCommunications4OSHA Regulation 29 CFR Part 1910.146,Permit-RequiredConfined Spaces53.Terminology3.1 Definitions:3.1.1 CFRU.S.Code of Federal Regulations.3.1.2 class locationthe specific criteria for Class Loca-ti
7、ons 1,2,3,and 4 as defined in CFR 49,Part 192.5.3.1.3 conduitplastic tubing used to house optical fibercable that is connected to,but not inside of,a pipeline.3.1.4 confined spacean enclosed area that is large enoughand so configured that a person can bodily enter and has thefollowing characteristic
8、s:(1)its primary function is somethingother than human occupancy,and(2)has restricted entry andexit.(Restricted entry and exit is a physical configurationwhich requires the use of hands or contortion of the body toenter into or exit from a confined space.)3.1.5 coveredtasksasdefinedinCFR 49,Part192.
9、801(b):“an activity,identified by the operator,that isperformed on a pipeline;is an operations and maintenancetask;is performed as a requirement of this part and affectsoperation or integrity of the pipeline.”3.1.6 designated control point(DCP)specific documentedlocations in the pipeline system wher
10、e the operations plandesignates the control of gas.3.1.7 distribution linesa pipeline other than a gathering ortransmission line.3.1.8 emergency incidentan emergency incident may in-volve fire,damage to underground facilities,explosion,gasleak,injury,death,gas outage,district pressure problems,hazar
11、dous or toxic material spills,or response by fire,police,orother agencies.3.1.9 hot tappinga procedure for cutting or tapping into agas pipeline under pressure.3.1.10 innerductplastic tubing used to house optical fibercable inside a natural gas pipeline.1This practice is under the jurisdiction of AS
12、TM Committee F36 on Technologyand Underground Utilities and is the direct responsibility of Subcommittee F36.10on Optical Fiber Systems within Existing Infrastructure.Current edition approved May 1,2010.Published July 2010.Originally approvedin 2004.Last previous edition approved in 2004 as F2349 04
13、.DOI:10.1520/F2349-04R10.2Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.3Available from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov
14、.4Available from International Electrotechnical Commission(IEC),3 rue deVaremb,Case postale 131,CH-1211,Geneva 20,Switzerland,http:/www.iec.ch.5Available from Occupational Safety and Health Administration(OSHA),200Constitution Ave.,NW,Washington,DC 20210,http:/www.osha.gov.Copyright ASTM Internation
15、al,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.1.11 operatora person who engages in the transporta-tion of gas.3.1.12 operator qualification programthe minimum re-quirements for operator qualification of individuals performingcovered tasks on a pipeline.The gen
16、eral requirements aredescribed in CFR 49,Part 192.801.3.1.13 optical fiber cablea cable formed of one or morestrands of optical fiber for transmission of data,video,audio,voice,or other information.3.1.14 optical fiber cable ownerthe entity holding legalrights to,and responsible for the operation and maintenance of,the optical fiber cable.The owner is also responsible foroperation and maintenance of any components associated withthe optical fiber system that are not part of the pipeline asdefine
