ISO INTERNATIONAL STANDARD 15206 First edition 2010-04-01 Timber poles Basic requirements and test methods Poteaux en bois - Exigences de base et méthodes d'essai Reference number ISO 15206:2010(E) @ ISO 2010 THS under Not for Resale ISO15206:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the 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. COPYRIGHT PROTECTED DOCUMENT ISO2010 All rights 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 ISO's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 4122 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ ISO 2010 - All rights reserved I without license from IHS Not for Resale ISO 15206:2010(E) Contents Page Foreword .iv Introduction. 1 Scope, 2 Normative references.. 3 Terms and definitions 4 Symbols and abbreviated terms ... 6 5 General requirements .. 5.1 Marking...... 5.2 Tree felling and wood preparation.. 5.3 Requirements for pole sizes, tolerances, permissible deviations and damage 5.4 Characteristicvalues 5.5 Strength-reducing characteristics. 8 5.6 Other characteristics... 10 5.7 Untreated wood poles .. 10 5.8 Preservative-treated wood poles .... 10 6 Test methods.... 11 6.1 Length and diameter. 6.2 Knots and knot clusters. 11 6.3 Slope of grain.... 11 6.4 Rate of growth . 6.5 Bark pockets and rind galls 12 6.6 Mechanical damage.... 12 6.7 Fissures, splits and checks... 12 6.8 Determination of moisture content.... 7 Evaluation of conformity 12 7.1 12 7.2 Initial type testing .... 7.3 Product assessment 13 8 Marking and declarations ... 13 8.1 Marking (mandatory)... 13 8.2 Specific marking and declarations ...... 8.3 Marking (optional) .... 14 Annex A (informative) Commonly used sizes for wood poles .. Annex B (normative) Scheme for sampling preservative-treated wood poles by taking borings ....16 Annex C (normative) Test method for bending properties Cantilever method ... Annex D (normative) Test method for bending properties - Four-point method.. ....22 Annex E (normative) Test method for bending properties - Three-point method proof test .... Annex F (normative) Determination of characteristic values... .33 Bibliography..... Copyright International Organizaion for Standardizalon ghts reserved ii se from IHS Not for Resi