1、AN AM E R ICAN NAT IO NAL STANDARDASME B30.8-2020(Revision of ASME B30.8-2015)Floating Cranes and Floating DerricksSafety Standard for Cableways,Cranes,Derricks,Hoists,Hooks,Jacks,and SlingsASME B30.8-2020(Revision of ASME B30.8-2015)Floating Cranes andFloating DerricksSafety Standard for Cableways,
2、Cranes,Derricks,Hoists,Hooks,Jacks,and SlingsAN AMERICAN NATIONAL STANDARDTwo Park Avenue New York,NY 10016 USAxDate of Issuance:May 21,2021ThenexteditionofthisStandardisscheduledforpublicationin2025.ThisStandardwillbecomeeffective1yearaftertheDateofIssuance.ASME issues written replies to inquiries
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11、New York,NY 10016-5990Copyright 2021 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.CONTENTSForeword.vCommittee Roster.viB30 Standard Introduction.viiiSummary of Changes.xiChapter 8-0Scope,Definitions,Personnel Competence,Translations,and References.1Section 8-0.1S
12、cope of ASME B30.8.1Section 8-0.2Definitions.1Section 8-0.3Personnel Competence.6Section 8-0.4Translations.6Section 8-0.5References.6Chapter 8-1Construction and Installation.8Section 8-1.1Load Ratings and Markings.8Section 8-1.2Construction and Loading Conditions.8Section 8-1.3General Requirements f
13、or Pontoons and Barges.9Section 8-1.4General Requirements for Cranes and Derricks.10Section 8-1.5Vertical Clearance.11Section 8-1.6Boom Hoist(Luffing Hoist)and Load Hoist Mechanisms.11Section 8-1.7Swing Mechanism.12Section 8-1.8Controls.12Section 8-1.9Ropes and Reeving Accessories.13Section 8-1.10Ca
14、bs.15Section 8-1.11General Requirements for Booms.15Chapter 8-2Inspection,Testing,and Maintenance.16Section 8-2.1InspectionGeneral.16Section 8-2.2Testing.17Section 8-2.3Maintenance.18Section 8-2.4Rope Inspection,Replacement,and Maintenance.19Chapter 8-3Operation.21Section 8-3.1Qualifications and Res
15、ponsibilities.21Section 8-3.2Operating Practices.24Section 8-3.3Signals.26Section 8-3.4Miscellaneous.26Figures8-0.1-1Floating Crane.28-0.1-2Barge-Mounted Shearleg.28-0.1-3Barge-Mounted Land Crane.38-0.1-4Floating Stiffleg Derrick.3iii8-0.1-5Floating A-Frame Derrick.38-0.2-1Reach for Floating Cranes.
16、58-1.9.3-1Dead-Ending Rope in a Wedge Socket.148-2.4.1-1Core Failure in 19 7 Rotation-Resistant Rope.208-3.3.2-1Standard Hand Signals for Controlling Crane and Derrick Operations.288-3.4.3-1Danger Zone for Cranes,Derricks,and Lifted Loads Operating Near Electrical TransmissionLines.31Tables8-3.4.3-1Required Clearance for Normal Voltage in Operation Near High Voltage Power Lines andOperation in Transit With No Load and Boom or Mast Lowered.31ivFOREWORDThisAmericanNationalStandard,SafetyStandardfo