1504301 PT*5 91 4851903 0109560 4 ISO INTERNATIONAL STANDARD 4301-5 First edition 1991-09-15 Cranes --- Classification -- Part 5: Overhead travelling and portal bridge cranes Appareils de levage a charge suspendue -- Classification - Partie 5: Ponts roulants et ponts portiques Reference number ISO 4301-5:1991(E) rmitted without license from IHS Not for Resall 91 4851903 0109561 6 ISO 4301-5:1991(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (Iso member bodies). The work of preparing International Standards is normally carried out through iso technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, govern- mental and non-governmentai, in liaison with isO, also take part in the work. Iso collaborates closely with the International Electrotechnical Commission (lEC)on all'matters of electrotechnical standardization Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Inter- national Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard IsO 4301-5 was prepared by Technical Committee Iso/TC 96, Cranes, Sub-Committee sC 9. Bridge and gantry cranes. isO 4301 consists of the following parts. under the general title Cranes -- Classification: -- Part 1: General Part2:Mobilecranes -- Part 3: Tower cranes Part 4: Jib cranes Part 5: Overhead travelling and portal bridge cranes @ISO1991 All rights reserved. No part of this publication may be reproduced or utiized in any form or by any means, electronic or mechanical, including photocopying and mlcrofim, wilthout permission in writing from the publisher. International Organization for Standardization Case Postale 56: CH-1211 Geneve 20Switzerland Printed in Switzerland Copyrighi international Organization for Standardization Not for Resal Tb S*Id TOEh oSI 295600 iso 4301-5:1991(E) INTERNATIONAL STANDARD Cranes - Classification - Part 5: Overhead travelling and portal bridge cranes 1 Scope tion of the standard indicated below. Members of IEc and isO maintain registers of currently valid International Standards. This part of IsO 4301 establishes the classification of overhead travelling cranes and portal bridge iso 4301-1:1986, Cranes and lifting appliances cranes based on the number of operating cycies to Classification -- Part 1: General. be carried out during the expected tife of the ap- pliance and its mechanisms, and a load spectrum factor which represents the nominal state of ioading. Classification The crane as a whole and its mechanisms shall be 2 Normative reference classified in accordance with IsO 4301-1. The foliowing standard contains provisions which, Guidance as to typical classifications for overhead through reference in this text, constitute provisions travelling cranes and portal bridge cranes in relation of this part of IsO 4301. At the time of pubtication, to usage is given in table 1. the edition indicated was valid. All standards are subject to revision, and parties to agreements based Where the class of utilization and state of loading on this part of 1sO 4301 are encouraged to investi- are not known, the classification should be regarded gate the possibility of applying the most recent edi- as a minimum. opyright International Organization for Standardization from IHS