1、Designation:F246205(Reapproved 2015)Standard Practice forOperation and Maintenance of Sewers with Optical FiberSystems1This standard is issued under the fixed designation F2462;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year
2、 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 applies to the operation and maintenanceof sewers with a subsequent installation of optical fiber cable i
3、naccordance with Practice F2303.1.2 This practice applies to gravity flow storm sewers,sanitary sewers,and combined sewers.1.3 This practice does not apply to force mains,siphons,orother pressurized sewers.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with
4、 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 Documents2.1 ASTM Standards:2F2303 Practice for Selection of Gravity Sewers Suitable forInstallatio
5、n of Optical Fiber Cable and Conduits2.2 ANSI Standard:3ANSI Z117.1-2003 Safety Requirements for ConfinedSpaces2.3 IEC Standards:4IEC 60825-1 Ed.1.2,en 2001,Safety of Laser ProductsPart 1:Equipment Classification,Requirements and Us-ers GuideIEC 60050-731 Electrotechnical Vocabulary:Optical FiberCom
6、munications2.4 Federal Standard:5OSHA Regulation 29 CFR Part 1910.146,Permit-RequiredConfined Spaces3.Terminology3.1 Definitions:3.1.1 conduit,ntubing used to house optical fiber cablethat is connected to,but separate from,a sewer pipeline.3.1.2 O&M,noperation and maintenance.3.1.3 optical fiber cab
7、le,ncable formed of one or morestrands of optical fiber for transmission of data,video,audio,voice,or other information.3.1.4 optical fiber cable owner,nentity holding legalrights to,and responsible for the operation and maintenance of,the optical fiber cable.The optical fiber cable owner is alsores
8、ponsible for operation and maintenance of any componentsassociated with the optical fiber system that are not part of thesewer pipeline as defined in this standard.3.1.5 optical fiber system,ngroup of components thatcomprise the elements necessary to enable optical fiber cable tobe installed,maintai
9、ned,and operated inside a sewer pipeline.3.1.6 sewers,npipelines for the conveyance of wastewateror stormwater,or both.3.1.7 vault,nmanhole,hand hole,or other buried enclo-sure used to store slack-loops of cable,fiber cable splices orprovide access to the sewer for maintenance and inspection,orany c
10、ombination thereof.Vaults designated only for opticalfiber systems may be located within the street or off-street.Sewer vaults are typically located in the street and,as approvedby the sewer pipeline operator,may serve the dual purpose ofalso housing optical fiber systems.4.Summary of Practice4.1 Se
11、wers with optical fiber systems must be safely oper-ated and maintained without significant negative impacts onsewer service and minimal impact on optical fiber systemusers.To satisfy that criteria,the equipment and practices must1This practice is under the jurisdiction of ASTM Committee F36 on Tech
12、nologyand Underground Utilities and is the direct responsibility of Subcommittee F36.10on Optical Fiber Systems within Existing Infrastructure.Current edition approved June 1,2015.Published June 2015.Originallyapproved in 2005.Last previous edition approved in 2010 as F2462 05(2010).DOI:10.1520/F246
13、2-05R15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute(ANSI
14、),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.4Available from International Electrotechnical Commission(IEC),3 rue deVaremb,P.O.Box 131,CH-1211,Geneva 20,Switzerland,http:/www.iec.ch.5Available from U.S.Government Publishing Office,732 N.Capitol St.,NW,Washington,DC 20401-0001,http:
15、/www.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 be well defined and designed with responsible workers trainedto implement and perform the required tasks.Key issuesinclude:4.1.1 General safety considerations;4.1.2 Emergency re
16、sponse procedures,including sewagespill control,emergency sewer pipeline repair,and communi-cation procedures;4.1.3 Routine sewer O&M activities,including service andmain connections;sewer pipeline repairs;periodic sewerinspection;sewer pipeline cleaning;4.1.4 Routine optical fiber system O&M activities;4.1.5 Cable and conduit marking;and4.1.6 Worker qualification.5.Significance and Use5.1 This is intended to outline O&M issues that requirediscussion and mutual agreement by both the optical fibe
