【英文标准名称】:StandardGuideforUseofMaxi-HorizontalDirectionalDrillingforPlacementofPolyethylenePipeorConduitUnderObstacles,IncludingRiverCrossings
【原文标准名称】:包括渡口在内的障碍物下聚乙烯管线更换时最大水平方向钻孔法使用的标准指南
【标准号】:ASTMF1962-2005e1
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F17.67
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:Maxi-horizontaldirectionaldrilling;Naturalgasservicesystems;Petroleumproducts;Polyethylene(PE)pipe;Rivers;Sewerpipe(thermoplastic);Telecommunications;Undergroundinstallation--watersupply/distributionsystems;Design--pipingsystems;Con
【摘要】:1.1Thisguidedescribesthedesign,selectionconsiderations,andinstallationproceduresfortheplacementofpolyethylenepipeorconduitbelowgroundusingmaxi-horizontaldirectionaldrillingequipment.Thepipesorconduitsmaybeusedforvariousapplicationsincludingtelecommunications,electricpower,naturalgas,petroleum,waterlines,sewerlines,orotherfluidtransport.1.2Horizontaldirectionaldrillingisaformoftrenchlesstechnology.Theequipmentandproceduresareintendedtominimizesurfacedamage,restorationrequirements,anddisruptionofvehicularormaritimetrafficwithlittleornointerruptionofotherexistinglinesorservices.Mini-horizontaldirectionaldrilling(min-HDD)istypicallyusedfortherelativelyshorterdistancesandsmallerdiameterpipesassociatedwithlocalutilitydistributionlines.Incomparison,maxi-horizontaldirectionaldrilling(maxi-HDD)istypicallyusedforlongerdistancesandlargerdiameterpipescommoninmajorrivercrossings.Applicationsthatareintermediatetothemini-HDDormaxi-HDDcategoriesmayutilizeappropriatex201C;medix201D;equipmentofintermediatesizeandcapabilities.Insuchcases,thedesignguidelinesandinstallationpracticeswouldfollowthosedescribedforthemini-ormaxi-HDDcategories,asjudgedtobemostsuitableforeachsituation.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationpurposesonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityoftheregulatorylimitationspriortouse.Section6containsgeneralsafetyinformationrelatedtotheuseofmaxi-horizontaldirectionaldrillingequipment.
【中国标准分类号】:G33
【国际标准分类号】:83_140_30
【页数】:19P.;A4
【正文语种】:英语