1、Designation:F196211Standard Guide forUse of Maxi-Horizontal Directional Drilling for Placement ofPolyethylene Pipe or Conduit Under Obstacles,IncludingRiver Crossings1This standard is issued under the fixed designation F1962;the number immediately following the designation indicates the year oforigi
2、nal 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.Scope*1.1 Thisguidedescribesthedesign,selectionconsiderations,and installation p
3、rocedures for the placement ofpolyethylene pipe or conduit below ground using maxi-horizontal directional drilling equipment.The pipes or conduitsmaybeusedforvariousapplicationsincludingtelecommunications,electric power,natural gas,petroleum,water lines,sewer lines,or other fluid transport.1.2 Horiz
4、ontal directional drilling is a form of trenchlesstechnology.The equipment and procedures are intended tominimize surface damage,restoration requirements,and dis-ruption of vehicular or maritime traffic with little or nointerruption of other existing lines or services.Mini-horizontaldirectional dril
5、ling(min-HDD)is typically used for the rela-tively shorter distances and smaller diameter pipes associatedwith local utility distribution lines.In comparison,maxi-horizontal directional drilling(maxi-HDD)is typically used forlonger distances and larger diameter pipes common in majorriver crossings.A
6、pplications that are intermediate to themini-HDD or maxi-HDD categories may utilize appropriate“medi”equipment of intermediate size and capabilities.In suchcases,the design guidelines and installation practices wouldfollow those described for the mini-or maxi-HDD categories,as judged to be most suit
7、able for each situation.1.3 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.1.4 This standard does not purport to address all of thesafety
8、 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 determine the applica-bility of the regulatory limitations prior to use.Section 6contains general safety information related to the use ofmaxi-horiz
9、ontal directional drilling equipment.2.Referenced Documents2.1 ASTM Standards:2D420 Guide to Site Characterization for Engineering Designand Construction Purposes(Withdrawn 2011)3D422 Test Method for Particle-Size Analysis of SoilsD1586 Test Method for Penetration Test(SPT)and Split-Barrel Sampling
10、of SoilsD1587 Practice for Thin-Walled Tube Sampling of Soils forGeotechnical PurposesD2113 Practice for Rock Core Drilling and Sampling ofRock for Site ExplorationD2166 Test Method for Unconfined Compressive Strengthof Cohesive SoilD2435 Test Methods for One-Dimensional ConsolidationProperties of S
11、oils Using Incremental LoadingD2447 Specification for Polyethylene(PE)Plastic Pipe,Schedules 40 and 80,Based on Outside Diameter(With-drawn 2010)3D2513 Specification for Polyethylene(PE)Gas PressurePipe,Tubing,and FittingsD2850 Test Method for Unconsolidated-Undrained TriaxialCompression Test on Coh
12、esive SoilsD3035 Specification for Polyethylene(PE)Plastic Pipe(DR-PR)Based on Controlled Outside DiameterD4186 Test Method for One-Dimensional ConsolidationProperties of Saturated Cohesive Soils Using Controlled-Strain LoadingD4220 Practices for Preserving and Transporting SoilSamplesD4318 Test Met
13、hods for Liquid Limit,Plastic Limit,andPlasticity Index of SoilsD4767 Test Method for Consolidated Undrained TriaxialCompression Test for Cohesive Soils1This guide is under the jurisdiction of ASTM Committee F17 on Plastic PipingSystems and is the direct responsibility of Subcommittee F17.67 on Tren
14、chlessPlastic Pipeline Technology.Current edition approved May 1,2011.Published May 2011.Last previousedition approved in 2005 as F1962051.DOI:10.1520/F1962-11.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of AST
15、MStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box
16、 C700,West Conshohocken,PA 19428-2959.United States1 D5084 Test Methods for Measurement of Hydraulic Con-ductivity of Saturated Porous Materials Using a FlexibleWall PermeameterF714 Specification for Polyethylene(PE)Plastic Pipe(DR-PR)Based on Outside DiameterF1804 Practice for Determining Allowable Tensile Load forPolyethylene(PE)Gas Pipe During Pull-In InstallationF2620 Practice for Heat Fusion Joining of Polyethylene Pipeand Fittings2.2 Other Standards:ANSI Preferred Number Series 10ANSI/EIA/
