Water & Wastewater Treatment

April 2014

Water & Wastewater Treatment Magazine

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Page 1 of 51

www.wwtonline.co.uk | WWT | APRIL 2014 | 3 12 CASE STUDY Specialist techniques deliver Bristol aqueduct refurbishment 21 CASE STUDY Grit separation installation is model project 23 CASE STUDY Severn Trent pilot slashes aeration cost 04 News Two water companies reap the rewards of Ofwat pre-qualifi cation for their business plans 35 Research round-up Pilgrimages to the Ganges identifi ed as cause of anti- biotic resistance; Robotic construction crew could build fl ood defences 43 Skilling up Clay pipe manufacturer invests in workforce a er exports triple in three years 36 Getting2Grips Ten easy steps to induction motor repair and maintenance Contents April Prof Bent Flyvbjerg, Oxford University "The poor outcomes of large dams suggest that 'fools' and 'liars' have been at the helm" Editor Natasha Wiseman wwtedit@fav-house.com Sales executive North/Midlands Judith Eastham 0161 903 1512 judith.eastham@fav-house.com Sales executive South/Global Michael Butcher 01342 332073 michael.butcher@fav-house.com Classified sales Alyson Brice 01342 332075 alyson.brice@fav-house.com Production editor Mike Smith Production controller Sharon Miller sharon.miller@fav-house.com Publisher Angela Himus angela.himus@fav-house.com EDITORIAL BOARD Simon Barnes Yorkshire Water Nigel Paterson Veolia Water James Chalmers ABB Piers Clarke Thames Water, Isle Utilities Tony Conway United Utilities Paul Gibbs Anglian Water Graham Keegan Eight 2 O Mark Allen Black & Veatch Duncan Lewis Xylem Water Solutions Clive Patten Sulzer Pumps Wastewater Frank Rogalla Aqualia Mark Smith WRc Prof Tom Stephenson Cranfield University, British Water, Bluewater Bio Steve Webber Murphy Group Publisher's note: This issue includes editorial photographs provided and paid for by suppliers.WWT digital editions, round tables, video, news, features, jobs, products. www.wwtonline.co.uk wwt@fav-house.com Published by Faversham House Ltd Faversham House, Windsor Court, Wood Street, East Grinstead, West Sussex, RH19 1UZ Telephone: 01342 332000 Fax: 01342 332001 Subscriptions: 020 8955 7045 or email: fhcustomerservices@abacusemedia.com The title Water & Wastewater Treatment is registered at Stationers' Hall. Printed by Buxton Press Limited, Palace Road Buxton Derbyshire SK17 6AE. Copyright 2014. Faversham House Ltd. No part of this publication may be reproduced by any means without prior written permission from the publishers. Every effort is made to ensure the accuracy of material published in Water & Wastewater Treatment. However, Faversham House Ltd will not be liable for any inaccuracies. The views expressed by contributors are not necessarily those of the editor or publishers. Both text paper and cover stock are printed on PEFC accredited paper. For more info see www.PEFC.org. License number PEFC/16-33-141. Technical articles of full page, or more appearing in this journal are indexed by British Technical Index.© 2014 Faversham House Group Ltd. ISSN 1759-5932 Average circulation Jan-Dec 2013: 8,680 1yr: UK £99 Overseas (airmail) £113/$198 2yr: UK £171 Overseas (airmail) £199/$349 Subscriptions: PIPING UP Graham Heatley, CH2M Hill "One of the biggest challenges that faces our sector is how companies deliver the best overall value, as opposed to just what can be done at the cheapest price" "If we can now move forward to implementing the recommendations in the report, we will be taking the fi rst key steps to increasing the UK's share of the global water technology market Mark Lane, British Water

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