KENYA STANDARD                                               DKS 94:2016 
               
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                    Preservation of timber —Specification 
                     
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
                     ©KEBS 2016        4th Edition 2016 
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
                  
                 KS 94:2016                         
                                                                                                                 
                 TECHNICAL COMMITTEE REPRESENTATION 
                  
                 The following organizations were represented in the Technical Committee: 
                  
                 1.     Marlow Link Timber  
                 2. KAKUZI 
                 3. HIGHCHEM  
                 4. Millennium Trading House Limited 
                 5.     National Environmental Management Authority (NEMA) 
                 6.     Kenya Forestry Research Institute (KEFRI) 
                 7.     Pest Control Products Board (PCPB) 
                 8.     University of Eldoret 
                 9. PEMAK 
                 10. Alogo Enterprises 
                 11. COSTEK ALMA 
                 12.        Kenya Power    
                 13.    Kenya Wood Preservers Association 
                 14. Muringa holdings 
                 15     Kenya Bureau of Standards – secretariat 
                    
                    
                  
                  
                  
                  
                  
                      
                     REVISION OF KENYA STANDARDS 
                  
                 In order to keep abreast of progress in industry, Kenya Standards shall be regularly reviewed. Suggestions 
                 for improvements to published standards, addressed to the Managing Director, Kenya Bureau of Standards, 
                 are welcome. 
                  
                  
                  
                  
                  
                 © Kenya Bureau of Standards, 2016 
                   
                 Copyright. Users are reminded that by virtue of Section 25 of the Copyright Act, Cap. 12 of 2001  of the Laws of Kenya, copyright 
                 subsists in all Kenya Standards and except as provided under Section 26 of this Act, no Kenya Standard produced by Kenya Bureau of 
                 Standards may be reproduced, stored in a retrieval system in any form or transmitted by any means without prior permission in writing 
                 from the Managing Director. 
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
                 ii        © KEBS 2016— All rights reserved 
                   KS 94:2016                                                                                                   
                    
                    
                    
                                                                                                                   
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                           Preservation of timber —Specification 
                           
                    
                    
                    
                    
                    
                    
                    
                            
                   KENYA BUREAU OF STANDARDS (KEBS) 
                    
                   Head Office:  P.O. Box 54974, Nairobi-00200, Tel.: (+254  020) 6005490, 6002350, Fax: (+254 020)  6004031 
                   E-Mail: info@kebs.org,  Web:http://www.kebs.org  
                    
                   Coast Region    Lake Region         Rift Valley Region 
                   P.O. Box 99376, Mombasa-80100           P.O. Box 2949, Kisumu-40100          P.O. Box 2138, Nakuru-20100 
                   Tel.: (+254  041) 229563, 230939/40     Tel.: (+254 057) 23549, 22396        Tel.: (+254 051) 210553, 210555 
                   Fax: (+254  041) 229448                 Fax: (+254 057) 21814           
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    © KEBS 2016 — All rights reserved                                                                       iii 
                   KS 94:2016                             
                                                                                                                               
                    
                    
                   Foreword 
                    
                   This Kenya Standard was prepared by the Timber and Timber products Technical Committee and under the 
                   guidance of the Standards Projects Committee, and it is in accordance with the procedures of the Bureau. 
                    
                   It is general  experience that the satisfactory performance of a wood preservative depends not only on the 
                   efficiency of the preservative itself but also on the method of its application to the timber, the treatability of 
                   the timber and the environment in which the treated timber is to be used. It is hoped that this standard will 
                   create awareness and a better understanding of the many factors involved in timber preservation. 
                    
                   This standard specifies the chemical compositions of the most commonly used locally available 
                   preservatives, the most common methods of application and average retention of preservative levels for 
                   various species of timber in a variety of environmental conditions. 
                    
                   The standard is as comprehensive as practically possible. It will be revised to include additional 
                   preservatives and preservation processes after they become established in Kenya. 
                    
                   In the preparation of this standard, reference was made to the following publication: 
                    
                           As 1604 -1980   Preservative treatment for sawn timber, veneer and plywood. 
                    
                           BS 1282         Guide to the choice, use and application of wood preservatives. 
                    
                           BS 4072         Specification for wood preservation by means of water-borne              
                      copper/chrome/arsenic compositions. 
                    
                           Acknowledgement is hereby made for the assistance derived from these sources.  
                 
                   Acknowledgement is hereby made for the assistance derived from the above sources
                   iv        © KEBS 2016— All rights reserved