Table of Contents I 70

Civil Engineering June 2022 | Vol 30 No 5

FRONT COVER I
FROM THE PRESIDENT’S DESK 1
Water in South Africa, blessing or curse? 1
CONTENTS 2
ON THE COVER 4
Sizabantu celebrates 20 years of excellence 4
QUIZ 6
SAICE Know Your Sector Competition 6
LETTER FROM THE EDITOR 7
Getting ahead of a water crisis 7
WATER ENGINEERING 8
Building the Rosetta Water Treatment Works 8
Mthatha Bulk Regional Water Supply Scheme takes shape 14
Construction of a temporary bypass siphon at Mthatha Dam 20
Global standard prioritises better measuring, managing of TSF water 22
Economic rubble masonry concrete dams can save costs and create jobs 24
HISTORY AND HERITAGE 48
1960s & 1970s Orange River Development Project 48
Open channel flow measurement and monitoring: the Khafagi flume 26
Lower Umkhomazi Bulk Water Supply Scheme: Goodenough and Ngwadini raw water systems 28
Social media saves the day: The Gahira Bridge Project 37
SANCOLD news 42
INFORMATION TECHNOLOGY 46
BIM, digital twinning and smart cities – a quick rundown 46
HISTORY AND HERITAGE 48
1960s & 1970s Orange River Development Project 48
CONSTRUCTION AND INSURANCE LAW 56
Recent influential court decisions and what they may mean for your business – Part 5 56
IP SHOWDOWN 58
The effect of vermicompost on the water holding capacities of soil 58
IN BRIEF 60
Revised national drinking water quality standard open for comment 60
South Africa nearing a “Landfill Day Zero” 60
Collaboration must prevent mafia derailing SA’s recovery 61
SAICE AND PROFESSIONAL NEWS 62
Meet SAICE’s Water Engineering Division 62
SAICE YMP | Industry networking sessions – linking engineers to open doors 66
SAICE Training Calendar 2022 67
BACK COVER 70

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