BS 7874 1998 Method of test for microbiological deterioration of elastomeric seals for joints in pipework and pipelines.pdf

BRITISH STANDARD BS7874:1998 Method of test for Microbiological deterioration of elastomeric seals for joints in pipework and pipelines ICS2.040.80 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW S No reproduction or networking permitted without ioonse from IHS Not for Resale BS7874:1998 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PRI70 Elastomeric seals for joints in pipework and pipelines upon which the following bodies were represented: British Gas plc British Plastics Federation British Precast Concrete Federation Ltd. British Rubber Manufacturers'Association Ltd. Chartered Institution of Water and Environmental Management Clay Pipe Development Association Limited Concrete Pipe Association Ductile Iron Producers'Association Fibre Cement Manufacturers'Association Limited Malaysian Rubber Producers'Research Association RAPRA Technology Ltd. Society of British Water Industries Water Companies Association Water Services Association of England and Wales This British Standard having been prepared under the direction of the Sector Board for Materials and Chemicals was published under the authority of the Standards Board and es into effect on 15 March 1998 BSI 1998 Amendments issued since publication Amd.No. Date Text affected The following BSI references relate to the work on this standard: Committee reference PRI/70 Draft announced in Upddate Standards February 1998 ISBN0580262995 Copyright British Standards Provded by IHS under with BSI No reproduction or networking permitted wihout ioonse from IHS Not for Resale BS7874:1998 Contents Page Committees responsible Inside front cover Foreword ii Method 1 Scope 1 2 Informative references 1 3 Principle 1 4 Materials 1 5 Apparatus 1 6 Preparation of test pieces 1 7Procedure 3 8 Calculation of results 3 9 Test report 4 Figures 1 Typical arrangement of tanks for biodeterioration test 2 2 Test piece dimensions for biode...