1、Designation:F311014(Reapproved 2018)Standard Practice forProper Use of Mechanical Trenchless Point Repair Sleevewith Locking Gear Mechanism for Pipes of Varying InnerDiameter and Offset Joints1This standard is issued under the fixed designation F3110;the number immediately following the designation
2、indicates the year oforiginal adoption or,in the 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 establishes minimum requirement
3、s forgood practices for the materials and installation of mechanicaltrenchless repair sleeve with a locking gear mechanism forpipes of varying inner diameter and offset joints in the range of6 to 72 in.(150 to 1800 mm).1.2 This practice applies to storm,potable water,wastewaterand industrial pipes,c
4、onduits and drainage culverts.1.3 When the specified materials are used in manufacturingthe sleeve and installed in accordance with this practice,thesleeve shall extend over a predetermined length of the host pipeas a continuous,tight fitting,corrosion resistant and verifiablenon-leaking pipe repair
5、ed using one or more pieces of therepair sleeve mechanism.The maximum internal pressure thissleeve can carry depends on the diameter and the wallthickness,ranging from 10 to 15 bars;the external pressureshall not exceed 1.5 bars.1.4 All materials in contact with potable water shall becertified to me
6、et NSF/ANSI 61/372.1.5 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.6 This standard does not purport to address all of thesafety conc
7、erns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.Particular attention is drawn to those safety regulations andrequiremen
8、ts involving entering into and working in confinedspaces.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations iss
9、ued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2A240/A240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate,Sheet,and Strip for PressureVessels and for General ApplicationsA666 Specification for Annealed or Co
10、ld-Worked AusteniticStainless Steel Sheet,Strip,Plate,and Flat Bar2.2 NASSCO Guidelines:3Specifications for Sewer Collection System Rehabilitation2.3 European Standard:4EN 681-1 Elastomeric sealsMaterials requirement for pipejoint seals used in water and drainage applicationsPart1:Vulcanized rubber2
11、.4 NSF/ANSI Standards:5NSF/ANSI 61 Drinking water system componentsNSF/ANSI 372 Drinking water system components3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 access point,nupstream or downstream locationsthat serve as the point of entry or exit for the point repair of theexis
12、ting pipe.3.1.2 bladder,nan apparatus,when pressurized,inflates atube that presses against the inner pipe walls.3.1.3 EPDM rubber,nethylene propylene diene monomerrubber formed to yield wide ranging engineering propertiesusing a synthetic process.1This practice is under the jurisdiction of ASTM Comm
13、ittee F36 on Technologyand Underground Utilities and is the direct responsibility of Subcommittee F36.20on Inspection and Renewal of Water and Wastewater Infrastructure.Current edition approved Aug.1,2018.Published August 2018.Originallyapproved in 2014.Last previous edition approved in 2014 as F311
14、014.DOI:10.1520/F3110-14R18.2For 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 National Association o
15、f Sewer Service Companies(NASSCO),2470 Longstone Lane,Suite M,Marriottsville,MD 21104,http:/www.nassco.org.4Available from European Committee for Standardization(CEN),AvenueMarnix 17,B-1000,Brussels,Belgium,http:/www.cen.eu.5Available from American National Standards Institute(ANSI),25 W.43rd St.,4t
16、h Floor,New York,NY 10036,http:/www.ansi.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 3.1.4 finished thickness,nthe f
