1、Designation:F256111Standard Practice forRehabilitation of a Sewer Service Lateral and Its Connectionto the Main Using a One Piece Main and Lateral Cured-in-Place Liner1,2This standard is issued under the fixed designation F2561;the number immediately following the designation indicates the year ofor
2、iginal 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 covers requirements and test methods forthe reconstruc
3、tion of a sewer service lateral pipe having aninner diameter of 3 to 12 in.and its connection to the main pipehaving an inner diameter of 6 to 24 in.without excavation.Thelateral pipe is accessed remotely from the main pipe and froma lateral cleanout.This will be accomplished by the installationof a
4、 resin impregnated one-piece main and lateral curedin-place lining(MLCIPL)by means of air or water inflationand inversion.The MLCIPL is pressed against the host pipe bypressurizing a bladder and is held in place until the thermosetresins have cured.When cured,the MLCIPL shall be acontinuous,one piec
5、e,tight fitting,corrosion resistant liningextending over a predetermined length of the lateral pipe andthe adjacent section of the main pipe providing a verifiablenon-leaking structural connection and seal.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in pa
6、rentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 There is no similar or equivalent ISO Standard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of
7、 the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.Particular attentionis drawn to those safety regulations and requirements involvingentering into and working in confined spaces.2.Referenced Docume
8、nts2.1 ASTM Standards:3D618 Practice for Conditioning Plastics for TestingD790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating Materi-alsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD3681 Test Method for Chemical Resistance of“Fibe
9、rglass”(GlassFiberReinforced Thermosetting-Resin)Pipe in aDeflected ConditionD5813 Specification for Cured-In-Place ThermosettingResin Sewer Piping SystemsF412 Terminology Relating to Plastic Piping SystemsF1216 Practice for Rehabilitation of Existing Pipelines andConduits by the Inversion and Curin
10、g of a Resin-Impregnated Tube2.2 NASSCO Guidelines:4Recommended Specifications for Sewer Collection SystemRehabilitation3.Terminology3.1 DefinitionsUnless otherwise indicated,definitions arein accordance with Terminology F412,and abbreviations are inaccordance with Terminology D1600.3.2 Definitions
11、of Terms Specific to This Standard:3.2.1 access pointan existing manhole at either the up-stream or downstream end of a sewer main or a cleanoutlocated on the lateral pipe.3.2.2 bladdera transparent flexible plastic hose that whenpressurized,causes the main sheet to be pressed against themain pipe w
12、alls and the lateral tube to invert up into the sewerservice lateral.The bladder joined with the textile liningcreates a liner/bladder assembly.1This practice is under the jurisdiction of ASTM Committee F17 on PlasticPiping Systems and is the direct responsibility of Subcommittee F17.67 onTrenchless
13、 Plastic Pipeline Technology.Current edition approved Dec.1,2011.Published December 2011.Originallyapproved in 2006.Last previous edition approved in D256106.DOI:10.1520/F2561-11.2The rehabilitation of a sewer service lateral and its connection to the main usinga one-piece main and lateral cured-in-
14、place liner is covered by patents(LMKEnterprises,Inc.1779 Chessie Lane,Ottawa,IL 61350).Interested parties areinvited to submit information regarding the identification of acceptable alternativesto this patented item to the Committee on Standards,ASTM Headquarters,100 BarrHarbor Drive,West Conshohoc
15、ken,PA 19428-2959.Your comments will receivecareful consideration at a meeting of the responsible technical committee which mayattend.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume informat
16、ion,refer to the standards Document Summary page onthe ASTM website.4NASSCO,Inc.11521 Cronridge Drive,Suite J,Owings Mills,MD 21117.www.nassco.orgCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.2.3 inversionthe process of turning a resin-impregnatedtube inside out by the use of air or water pressure.3.2.4 launchercombination of a rigid elongated tube andlay-flat hose apparatus where the main bladder is attached andthe main sheet is