Civil Engineering March 2021

South African Institution of Civil Engineering Civil Engineering March 2021 SiviliEnjeneereng March2021 Vol29No2 ON THE COVER Over the past decade, TRM driven piles have become progressively well- established throughout South Africa and around the African continent. SiviliEnjeneereng March2021 Vol29No2 THINKINGLIKEAN ETHICALENGINEER INCHALLENGING TIMES NOSTEEL,POOR SOIL:NOPROBLEM FORPRESSPLANT CONSTRUCTION WATERWEEK MOVINGPAST PROMISESAND RHETORIC Sivili Enjeneereng = Setswana Published by SAICE Block 19, Thornhill Office Park, Bekker Street, Vorna Valley, Midrand Private Bag X200, Halfway House, 1685 Tel +27 11 805 5947/8 | Fax +27 11 805 5971 http://www.saice.org.za | civilinfo@saice.org.za CHIEF EXECUTIVE OFFICER Vishaal Lutchman PrEng PMP vishaal@saice.org.za | Tel: +27 11 805 5947/8 Editor Danielle Petterson danielle@saice.org.za Tel +27 11 805 5947 | Cell +27 83 226 5614 Editorial Panel MarcovanDijk (chairman), IrvinLuker (vice-chairman), VishalKrishandutt (president),VishaalLutchman (CEO), AndileGqaji, JeffreyMahachi,AviMenon, PriscaMhlongo, JonesMoloisane,BeateScharfetter, DaniellePetterson (editor),VerelenedeKoker (journal editor),BarbaraSpence (advertising) Annual subscription rate R730.00 (VAT included) Advertising Barbara Spence, Avenue Advertising barbara@avenue.co.za Tel +27 11 463 7940 | Cell +27 82 881 3454 Design and reproduction Marketing Support Services, Ashlea Gardens, Pretoria The South African Institution of Civil Engineering accepts no responsibility for any statements made or opinions expressed in this publication, and all information is provided without prejudice. Consequently nobody connected with the publication of the magazine, in particular the proprietors, the publishers and the editors, will be liable for any loss or damage sustained by any reader as a result of his or her action upon any statement or opinion published in this magazine. ISSN 1021-2000 FROM THE PRESIDENT’S DESK Leadership during a crisis �� 1 ON THE COVER The TRM piling system – transparency in design, installation & testing �� 4 FUN QUIZ SAICE Know Your Sector Competition �� 7 CEO’S CORNER Professionalising the public service �� 8 ETHICS Thinking like an ethical engineer in challenging times �� 10 STRUCTURAL ENGINEERING Design and construction of a concrete tied-arch bridge in Ashton, Western Cape �� 12 Upgrading the De Beers Interchange �� 18 No steel, poor soil: no problem �� 22 KES Aquatic Centre – a structural engineering feat �� 25 Out-the-box thinking drives innovation for bridge project �� 31 The value of good geotechnical information within structural design �� 33 Concrete testing, an imperative for accurate assessment and maintenance of concrete structures �� 36 Steel Awards – standing strong in trying times �� 41 New Replacement Swingbridge at the V&A Waterfront �� 41 Bakers Transport Cato Ridge �� 43 The Precinct Lifestyle Hub �� 44 Menlyn Maine West Atrium Skylight �� 45 New Barloworld and Caterpillar head office and showroom �� 46 Douala Grand Mall �� 47 oN THE cOVER P4 When required, TRM piles can be designed and guaranteed for 100 years of structural service life

Civil Engineering March 2021 | Vol 29 No 2