90-1_Edtn_2009.pdf

Safety Standard for Belt ManliftsAN AMERICAN NATIO NAL STANDARDASME A90.1-2009(Revision of ASME A90.1-2003)Copyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME A90.1-2009(Revision of ASME A90.1-2003)Safety Standardfor Belt ManliftsAN AMERICAN NATIONAL STANDARDCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:April 30,2009The next edition of this Standard is scheduled for publication in 2014.This Standard will becomeeffective 1 year after the Date of Issuance.There will be no addenda or written interpretations of therequirements of this Standard issued to this edition.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable forpublic review andcomment thatprovides an opportunityfor additional publicinput 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 anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assumes any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights,and the risk of infringement of such rights,isentirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies,which precludes the issuance of interpretations by individualsNo 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 EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2009 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.ivCommittee Roster.vCorrespondence With the A90 Committee.viSummary of Changes.vii1General.12References.13Definitions.14General Requirements.25Mechanical Requirements.126Instruction and Warning Signs.197Operating Rules.208Tests and Inspections.20Figures1Typical Floor Openings for 14 in.(355 mm)Belts.32Guardrail and Wall.43Guardrail or Screened Enclosure.54Example of Maze Entrance to Manlift.65Fixed-Type Underfloor Hoods and Guardrail.76Typical Pit Location Detail(for New Installations).97Typical Lower Landing Detail.108Head Shaft Dimensions Top Landing.119Distance Between Handhold and Step.1310Typical Butt Splice Detail.1511Typical Lap Splice Detail.1612Typical Mechanical Splice Detail.17Tables1Allowable Size for Floor Openings.22Rubber Manufacturers Association Tolerances for Width of Belting.143Belt Breaking Strength.144Minimum Number of Bolts.14Mandatory AppendicesIRecommended Training Program for Manlift Passengers.23IIBelt Manlift Inspection Report(Weekly and Monthly).24iiiCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORDThis is a revision of A90.1,Safety Code for Manlifts,which was originally drawn up andapproved in 1949 and reaffirmed in 1956.The original Sectional Committee consisted of 19membersrepresentingmanufacturer