ISO INTERNATIONAL STANDARD 4375 Third edition 2014-11-15 Hydrometry Cableway systems for stream gauging Hydrométrie -Systemes de suspension par cables aériens pour le jaugeage en riviere Reference number IS0 4375:2014(E) ISO @ IS0 2014 IS0 4375:2014(E) COPYRIGHTPROTECTEDDOCUMENT @IS02014 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or ISo's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax+41227490947 E-mail [email protected] Web www.iso.org Published in Switzerland ii @ IS0 2014 - All rights reserved IS0 4375:2014(E) Contents Page Foreword .iv 1 Scope. .1 2 Normative references ..1 3 Terms and definitions .1 4 General description of a cableway system 4.1 Elements of a cableway system 1 4.2 Cableway supports .3 4.3 Main track or main cable 3 4.4 Anchorage 3 4.5 Tow cable for a bankside system .3 4.6 Suspension cable 3 4.7 Instrument carriage for a bankside system 4 4.8 Personnel carriage.. .4 4.9 Winch arrangements for a bankside system ..4 4.10 Winch arrangements for a personnel carriage 4 4.11 Lightning protection. 4 5 Functional requirements of cableway components .4 5.1 Safetyfactors 4 5.2 Cableway supports .5 5.3 Selection of main cable or track .6 5.4 Anchorage. .6 5.5 Backstays. .6 5.6 Tow cable .6 5.7 Carriages.. . 6 5.8 Winches. .7 6 Maintenance, examination and testing .9 6.1 General examination .9 6.2 Routine inspection. .9 6.3 Static testing 6.4 Lubrication .10 6.5 Checking the sag. 10 Annex A (informative) Cableway characteristics .11 Annex B (informative) Limiting main cable tension in bankside cableways ..22 Bibliography .24 "icnnialrightsreserved ii