Technical papers

Upsizing pipelines using trenchless techniques

For the past two decades, South Africa’s urban population has grown at a rate of at least 50% higher than the national average. This has created an enormous demand for water services. By Alaster Goyns* Download technical paper...
Manhole cover

Innovative ways to deal with metal theft

Municipalities have a constitutional mandate to provide for services to communities it serves. These services include Utilities (water, electricity, sewer and waste management), access and mobility, parks and recreation and other amenities. It is a...

Understanding the south african waste sector

The results of the South African Waste Sector Survey (for 2012) show that the formal waste sector employs a minimum of 29 833 people. The majority of these employees are situated within large enterprises (77.5% of private waste sector employees)...

Creating eco efficient township infrastructure projects

Globally, the construction industry is one of the main contributors to the depletion of natural resources and a major cause of unwanted side effects such as air and water pollution, solid waste, deforestation, health hazards, global warming, and...
biogas plant overview image

Life cycle assessments of energy recovery

The recovery of clean energy in the form of methane-containing biogas is starting to receive tremendous attention in South Africa. However, it is unclear whether the transition from standard bio-methane production to waste-based bio-hydrogen...
industrial smokestack

The Western Cape Industrial Symbiosis Programme (WISP)

Industrial symbiosis is a resource efficiency approach where unused or residual resources (materials, assets, logistics and expertise) of one company are used by another in a manner that is beneficial to both parties involved. Industrial symbiosis...