Cover image : one15brooklynmarina . com Information generation department : benjamin @ interactmedia . co . za Editor : Eamonn Ryan • Eamonn @ interactmedia . co . za Subeditor : Elaine Enslin Layout : Esmerelda Lombard Content manager : Benjamin Brits Operations manager : Chantelle van Deventer Process coordinator : Lebo Bucibo • lebo @ interactmedia . co . za

Advertising sales : Joanne Lawrie jlawrie @ interactmedia . co . za

Information database archive & distribution management distribution @ interactmedia . co . za

Subscriptions sales & administration : Maxlee Marange mmarange @ interactmedia . co . za

Financial / operations director : Sean Macnamara ( CA ) Finance manager : Laetitia Arnott • laetitia @ interactmedia . co . za

Published by Interact Media Defined ( Pty ) Ltd 13A Riley Road Bedfordview , 2008 , South Africa Box 695 Edenvale , 1610 , South Africa Tel : + 27 ( 0 ) 11 579 4940 | Fax : + 27 ( 0 ) 11 450 1920 Email : admin @ interactmedia . co . za

www . interactmedia . co . za

Managing Director : Richard Bicker Caarten Printing : Paarl Media

ARTICLE REPRINTS To purchase reprints of articles , please send your request via email to Maxlee Marange at mmarange @ interactmedia . co . za .

Judo Civils

OCTOBER 2018 | Vol 52 No 10

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 arise 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 : pressombudsman @ ombudsman . org . za | berylh @ ombudsman . org . za Website : www . ombudsman . org . za for the press code

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

winner of CESA / AON Engineering Excellence awards . Publisher of the year Trade Publication 2016 . Over 50 years ' service to the industry .

Eamonn Ryan Pixabay Eamonn Ryan

2 - CEC October 2018

Student digs in Braam

Due for completion in February 2020 , a 17-floor building is currently rising from its basement on the corner of Jorissen Street and Bertha Avenue in downtown Braamfontein , near the precinct of the University of the Witwatersrand .

Developing a smart city

As people seek work opportunities , we have seen rapid urbanisation happening in cities , locally and abroad . Experts say that the growth rate of urbanisation is almost double the rate of population . How are cities working around the pressure and what role is engineering playing ?

Geotechnical investigations

Civil engineering contractors regularly complain of the flawed nature of the geotechnical reports on which they base their work .