ASME_B30.7-2021.pdf

AN AM E R IC AN NAT IO NAL STANDARD ASME B30.7-2021(Revision of ASME B30.7-2016)WinchesSafety Standard for Cableways,Cranes,Derricks,Hoists,Hooks,Jacks,and SlingsASME B30.7-2021(Revision of ASME B30.7-2016)WinchesSafety Standard for Cableways,Cranes,Derricks,Hoists,Hooks,Jacks,and SlingsAN AMERICAN NATIONAL STANDARDTwo Park Avenue New York,NY 10016 USAxDate of Issuance:November 19,2021ThenexteditionofthisStandardisscheduledforpublicationin2026.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.ivCommittee Roster.viB30 Standard Introduction.viiiSummary of Changes.xiChapter 7-0Scope,Definitions,Personnel Competence,and References.1Section 7-0.1Scope of B30.7.1Section 7-0.2Definitions.1Section 7-0.3Technical and Safety-Related Information.2Section 7-0.4Personnel Competence.2Section 7-0.5References to Other Codes and Standards.2Chapter 7-1Construction and Installation.5Section 7-1.1Ratings and Markings.5Section 7-1.2Construction.5Section 7-1.3Installation.6Chapter 7-2Inspection,Testing,and Maintenance.7Section 7-2.1Inspection.7Section 7-2.2Testing.8Section 7-2.3Maintenance.9Section 7-2.4Rope Inspection,Replacement,and Maintenance.9Chapter 7-3Operations.10Section 7-3.1Qualifications and Conduct of Operators.10Section 7-3.2Operating Practices.14Section 7-3.3Miscellaneous.15Section 7-3.4Communications.15Figures7-0.2-1Winch With Capstan.37-0.2-2Single-Drum Winch.37-0.2-3Three-Drum Winch With Attached Swinger.47-0.2-4Independent Direct Geared Swinger or Single-Drum Winch.47-3.4.4-1Standard Hand Signals for Controlling Winch Operations.16iiiFOREWORDThisAmericanNationalStandard,SafetyStandardforCableways,Cranes,Derricks,Hoists,Hooks,Jacks,andSlings,hasbeendevelopedundertheproceduresaccreditedbytheAmericanNationalStandardsInstitute(ANSI).ThisStandardhadits beginning in December 1916,when an eight-page“Code of Safety Standards for Cranes,”prepared by the AmericanSocietyofMechanicalEngineers(ASME)CommitteeontheProtectionofIndustrialWorkers,waspresentedattheannualmeeting of the ASME.Meetings and discussions regarding safety on cranes,derricks,and hoists were held from 1920 to 1925 involving theASMESafetyCodeCorrelatingCommittee,theAssociationofIronandSteelElectricalEngineers,theAmericanMuseumofSafety,theAmericanEngineeringStandardsCommittee(AESC)laterchangedtoAmericanStandardsAssociation(ASA),thentotheUnitedStatesofAmericaStandardsInstitute(USASI),andfinallytoANSI,DepartmentofLaborStateo