ASME_B30.8-2020.pdf

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,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 concerning interpretations of technical aspects of this Standard.Interpretations arepublished on the ASME website under the Committee Pages at http:/cstools.asme.org/as they are issued.Errata to codes and standards may be posted on the ASME website under the Committee Pages to provide corrections toincorrectlypublisheditems,ortocorrecttypographicalorgrammaticalerrorsincodesandstandards.Sucherratashallbeusedon the date posted.TheCommitteePagescanbefoundathttp:/cstools.asme.org/.Thereisanoptionavailabletoautomaticallyreceiveane-mailnotification when errata are posted to a particular code or standard.This option can be found on the appropriate CommitteePage after selecting“Errata”in the“Publication Information”section.ASME is the registered trademark of The American Society of Mechanical Engineers.ThiscodeorstandardwasdevelopedunderproceduresaccreditedasmeetingthecriteriaforAmericanNationalStandards.TheStandardsCommitteethatapprovedthecodeorstandardwasbalancedtoassurethatindividualsfromcompetentandconcernedinterestshavehadanopportunityto participate.The proposed codeorstandardwasmadeavailable forpublic reviewandcommentthatprovidesanopportunityfor additional public input from industry,academia,regulatory agencies,and the public-at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in thisdocument,anddoesnotundertaketoinsureanyoneutilizingastandardagainstliabilityforinfringementofanyapplicableletterspatent,norassumeanysuchliability.Usersofacodeorstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtherisk of infringement of such rights,is entirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted as government or industryendorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME proceduresand policies,which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersTwo Park Avenue,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 8-0.1Scope 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 for 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 8-1.10Cabs.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 Responsibilities.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.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