ISO-14122-4-2004.pdf
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1、 Reference number ISO 14122-4:2004(E) ISO 2004 INTERNATIONAL STANDARD ISO 14122-4 First edition 2004-12-15 Safety of machinery Permanent means of access to machinery Part 4: Fixed ladders Scurit des machines Moyens daccs permanents aux machines Partie 4: chelles fixes ISO 14122-4:2004(E) PDF disclai
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4、file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2004 All righ
5、ts reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the
6、 requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2004 All rights reserved ISO 14122-4:2004(E) ISO 2004 All rights reserved iii Foreword ISO (the International Organi
7、zation 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 establishe
8、d has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
9、International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Pub
10、lication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent
11、 rights. ISO 14122-4 was prepared by the European Committee for Standardization (CEN) in collaboration with Technical Committee ISO/TC 199, Safety of machinery, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement). Throughout the text of this document, rea
12、d “.this European Standard.” to mean “.this International Standard.”. ISO 14122 consists of the following parts, under the general title Safety of machinery Permanent means of access to machinery: Part 1: Choice of fixed means of access between two levels Part 2: Working platforms and walkways Part
13、3: Stairs, stepladders and guard-rails Part 4: Fixed ladders For the purposes of this part of ISO 14122, the CEN annex regarding fulfilment of European Council Directives has been removed. -,-,- ISO 14122-4:2004(E) iv ISO 2004 All rights reserved Contents Page Forewordv Introductionvi 1 Scope 1 2 No
14、rmative references 1 3 Terms and definitions .1 4 Safety requirements 6 4.1 General requirements6 4.2 Strength of fixed ladders 6 4.2.1 General requirements6 4.2.2 Fixing elements7 4.2.3 Platforms 8 4.3 Conditions for installation of an fall protection device .11 4.3.1 Conditions requiring the insta
15、llation of an fall protection device11 4.3.2 Choice of the type of fall protection device12 4.4 Ladder.12 4.4.1 Position of the rungs.12 4.4.2 Rungs13 4.4.3 Devices against slipping-off.15 4.4.4 Spacing between the ladder and any permanent obstruction15 4.5 Safety cage.15 4.6 Guided type fall arrest
16、er on a rigid anchorage line15 4.7 Departure and arrival areas - Platforms 15 4.7.1 Departure areas16 4.7.2 Arrival areas .17 4.7.3 Access openings .18 4.7.4 Climbing off and getting on to a fixed ladder safely18 4.7.5 Platforms 20 5 Verification of safety requirements21 5.1 General21 5.2 Tests of f
17、ixed ladders with two stiles22 5.3 Testing of the safety cage.22 5.4 Tests of fixed ladders with one stile24 5.4.1 Strength and bending of a ladder element; Torsion of the rungs 24 5.4.2 Strength of the rungs 25 5.4.3 Strength of the stile .26 5.5 Test of the anchor points26 5.5.1 Fixed ladders with
18、 two stiles without fall arrester .26 5.5.2 Fixed ladders with one stile27 5.5.3 Fixed ladders with fall arrester.27 6 Assembly and operating instructions .28 6.1 Assembly instructions 28 6.2 Operating instructions for ladders with fall arrester28 6.3 Marking at points of entry and exit 28 Bibliogra
19、phy29 ISO 14122-4:2004(E) ISO 2004 All rights reserved v Foreword This document (EN ISO 14122-4:2004) has been prepared by Technical Committee CEN/TC 114 “Safety of machinery”, the secretariat of which is held by DIN, in collaboration with Technical Committee ISO/TC 199 “Safety of machinery”. This E
20、uropean Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2005, and conflicting national standards shall be withdrawn at the latest by June 2005. This document has been prepared under a mandate given to CEN
21、by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgi
22、um, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Slovenia, Spain, Poland, Sweden, Switzerland and the United Kingdom. -,-,- ISO 14122-4:2004(E) vi ISO 2004
23、All rights reserved Introduction This is the fourth part of the standard “Safety of machinery Permanent means of access to machinery“. The parts of the standard are: Part 1: Choice of a fixed means of access between two levels Part 2: Working platforms and walkways Part 3: Stairs, stepladders and gu
24、ard-rails Part 4: Fixed ladders. This European standard is a type B standard as stated in EN ISO 12100. This standard is to be read in conjunction with Clause 1.6.2 “Access to operating position and servicing points“ and 1.5.15 “Risk of slipping, tripping or falling“ of the essential safety requirem
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