IMIESA August 2021

Page 50

ENVIRONMENTAL ENGINEERING

Gabions are evolving As environmentally engineered structures, gabions come in many forms, making them a highly flexible solution for projects ranging from retaining walls to river erosion countermeasures. However, there’s also a growing demand for their application in building projects, and as an architectural element, says Louis Cheyne, managing director, Gabion Baskets. By Alastair Currie

R

ecently celebrating its 15th anniversary, Gabion Baskets has gained extensive experience as a specialist manufacturer of gabion systems. Traditionally, these entail the fabrication of flexible double-twisted, hexagonal mesh products. Alongside this has been a steady

diversification into welded mesh systems designed for non-structural applications. Prime examples include building cladding and perimeter walling. “Our strength as a business has been forged by the close relationships developed over the years with consulting engineers and contractors specialising in the multifaceted

LANDSCAPING

field of environmental engineering,” says Cheyne. “Many are now pushing the boundaries of conventional design to execute amazing projects.” In addition to providing design and product recommendations, Gabion Baskets provides on-site installation training for contractors and their subcontractors. “There’s an increasing demand for this, especially when providing support for new SMME subcontractors, plus community training forming part of Expanded Public Works Programmes,” Cheyne continues, adding that part of this support includes assisting SMMEs to correctly price jobs when drawing up a bill of quantities.

Secunda river wall A recent example of close collaboration and teamwork is on a complex river stabilisation project bordering a new housing development currently under construction in Secunda, Mpumalanga. The main contractor is Roos & Rosslee Construction. The contractor approached Gabion Baskets for input in March 2021. In response, Using square welded mesh, Gabion Baskets’ installation team recently constructed a simple wall layout that adds a key aesthetic element for a suburban home. The design includes a flowerbed section and access steps

SECUNDA RIVER WALL Secunda river wall elevation

48

IMIESA August 2021


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Articles inside

From rock to road

5min
pages 54-56

Digital transformation in Africa

3min
page 57

A hydraulic breakthrough for tracked carriers

2min
page 53

Outsourcing FM in the public sector

2min
page 52

Gabions are evolving

5min
pages 50-51

Novel culvert bridge design for village

3min
page 49

Ways to manage readymix waste streams

2min
page 47

Extenders can affect concrete curing

1min
page 48

IWM projects key to solving SA’s waste crisis

8min
pages 44-46

Environmental clean-ups require collective action

4min
pages 42-43

Digital twins to the rescue

4min
pages 40-41

Water Wise: An environmental brand over two decades old

2min
pages 37-38

Design innovation shapes Mhlabatshane Bulk Water project

8min
pages 34-36

Pump shafts and flow measurement

4min
pages 30-31

Pressure control to fight water shortages in Eastern Cape

5min
pages 28-29

Ultrafiltration and reverse osmosis work together

1min
page 33

eXpress booster sets meet the demand

2min
page 32

Closing the gap

5min
pages 26-27

Small town road upgrades strengthen their economies

5min
pages 24-25

Lesotho Highlands bridge programme takes shape

2min
page 23

Reducing South Africa’s infrastructure deficit with more funding

7min
pages 12-14

Mobilising the opportunities for construction

5min
pages 10-11

Implementation of PG binder specification in South Africa

9min
pages 16-19

Industry innovators beyond the imaginable

3min
pages 8-9

Obituary: Saying farewell to a changemaker

2min
page 15

World-renowned road safety campaigner to address SA conference

4min
pages 20-21

President’s comment

2min
page 7

Editor’s comment

4min
pages 5-6
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