Water, Sewage & Effluent July August 2018 | Page 5

Cover image credit: scientificamerican.com PUBLISHER DETAILS Managing Director: Richard Bicker Caarten Content Manager: Benjamin Brits Editor: Kim Kemp ([email protected]) Subeditor: Elaine Enslin ADVERTISEMENT SALES Sales Director: Dale Macnamara ([email protected]) External Sales: Marcus Pearson ([email protected]) Subscriptions Sales & Administration Subscriptions: Maxlee Marange ([email protected]) OPERATIONS Operations Manager: Chantelle van Deventer ([email protected]) Layout: Selina Morulane Information Database Archive & Distribution Management [email protected] Process coordinator: Lebo Bucibo [email protected] ACCOUNTS Operations and Financial Director: Sean Macnamara (CA) Financial Manager: Laetitia Arnott ([email protected]) HEAD OFFICE Interact Media Defined (Pty) Ltd 13A Riley Road Bedfordview, 2008, South Africa PO Box 695 Edenvale, 1610, South Africa Tel: +27 (0) 11 579 4940 | Fax: +27 (0) 11 450 1920 Email: [email protected] PRINTING Paarl Media DISTRIBUTION/MAILING CAB Holdings (Pty) Ltd | +27(0)11 402 3468/9 1 Trein Street, The Gables, Cleveland, 2001 CIRCULATION: JUL - DEC 2017 Total circulation: 3 085 Net copy sales (above 50%): 319 Net copy sales (below 50%): 0 Controlled free distribution: 2 766 ENVIRONMENT-FRIENDLY PRINTING All paper is sourced from the Forest Stewardship Council and Chain of Custody-certified suppliers. All waste paper from the plant is recycled. All used plates are recycled. All new printing equipment is purchased for low energy-consumption levels and low volatile organic-compound emissions. COPYRIGHT & DISCLAIMER While every reasonable precaution has been taken to ensure the accuracy of the advice and information given, neither the editor, publisher, proprietor, staff, nor any official body represented or published in this issue, will accept responsibility for any damages, loss, injuries or false claims that may aris e or be made in the content. We subscribe to the Codes of Conduct of the Advertising Standards Authority and the Press Ombudsman (refer separate explanations in this issue). Disclaimers by individual companies are hereby overridden by this disclaimer. Reproduction of any of the content is expressly forbidden in terms of the Copyright Act of 1987 with all amendments. All requests to reproduce must be made in writing to the publisher and such confirmation must be given in writing before proceeding. A copy of where the reproduction was published must be supplied to the publisher at the above address. No reasonable request will be refused provided all conditions are met. All Publication and Exhibition titles are registered as trade marks in terms of the Trade Marks Act of 1993 and are held by Interact Media Defined (Pty) Ltd, Reg No 2014/092774/07. PRESS OMBUDSMAN: This publication has committed itself to maintain the highest standards of journalism as embodied in the Press Code of Professional Practice. If you believe we have failed to report news and comment accurately, honestly and fairly, you may lodge a complaint with the Press ombudsman either by email, fax or letter, or by telephoning the office for the procedure to be followed. Tel: +27 (0) 11 484 3612/8 | Fax: +27 (0) 11 484 3612/8 Email: [email protected] [email protected] Website: www.ombudsman.org.za for the press code CONTENTS 4 News 5 What’s on 8 Municipalities Amendments to water by-law approved The City of Cape Town approved several amendments to the Water By-law. In addition to noting the amendments, the City encourages residents to familiarise themselves with what is required of them in terms of this legislation. Engaging with communities Opinion piece: The role of the municipality in securing economic development outcomes. 14 Infrastructure Trafficable waterproof liner Hyson Cells was tasked with waterproofing a dam that was close to the old opencast workings at a Phalaborwa mine. 22 Environment When ‘zero’ counts Sustainable construction and planning are key to meeting the criteria for South Africa’s zero-carbon-buildings goal. 26 Debate Pumped up Gert Schwaecke shares his observations about poor pump procurement practices. 28 Industry Escherichia coli: indicator of bacteriological quality of water Faecal coliform bacteria in a waterway is an indication of sewage — and of the possible presence of other pathogenic organisms. 32 Innovations 36 Contributors 38 Networking This publication subscribes to the Advertising Standards Authority (ASA) Code of Conduct which represents truthful advertising. Should any reader feel/believe that advertising in this publication lacks substantiation, is dishonest or misleading in any way they may refer to the ASA. www.asasa.org.za Water Sewage & Effluent July/August 2018 3