Designation:D5783−18StandardGuideforUseofDirectRotaryDrillingwithWater-BasedDrillingFluidforGeoenvironmentalExplorationandtheInstallationofSubsurfaceWater-QualityMonitoringDevices1ThisstandardisissuedunderthefixeddesignationD5783;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisguidecovershowdirect(straight)rotary-drillingprocedureswithwater-baseddrillingfluidsmaybeusedforgeoenvironmentalexplorationandinstallationofsubsurfacewater-qualitymonitoringdevices.NOTE1—Thetermdirectwithrespecttotherotary-drillingmethodofthisguideindicatesthatawater-baseddrillingfluidispumpedthroughadrill-rodcolumntoarotatingbit.Thedrillingfluidtransportscuttingstothesurfacethroughtheannulusbetweenthedrill-rodcolumnandtheboreholewall.NOTE2—Thisguidedoesnotincludeconsiderationsforgeotechnicalsitecharacterizationthatareaddressedinaseparateguide.1.2Direct-rotarydrillingforgeoenvironmentalexplorationandmonitoring-deviceinstallationswillofteninvolvesafetyplanning,administrationanddocumentation.Thisstandarddoesnotpurporttospecificallyaddressexplorationandsitesafety.1.3Units—ThevaluesstatedineitherSIunitsorinch-poundunits(giveninbrackets)aretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactlyequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemmayresultinnon-conformancewiththestandard.1.4AllobservedandcalculatedvaluesaretoconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.5Theproceduresusedtospecifyhowdataarecollected/recordedorcalculatedinthisstandardareregardedastheindustrystandard.Inaddition,theyarerepresentativeofthesignificantdigitsthatgenerallyshouldberetained.Theproce-duresuseddonotconsidermaterialvariation,purposeforobtainingthedata,specialpurposestudies,oranyconsider...
