GIBB was appointed to undertake a flood protection study for the uMzimkhulu Town. The study will identify the extent to which the river can be expected to rise during flood events of varying magnitudes. This process is important in identifying those areas at most risk during floods, both for emergency measures and for future planning needs.

The main objective of the study is to determine the most economic and environmentally acceptable solution to the flooding problem being experienced in the uMzimkhulu Central Business District.


Key Features

• Calculation of flood peaks and volumes at uMzimkhulu town
• Graphical display of flood lines on an aerial photography of the area
• Evaluation of engineering options to protect the town from being flooded by a flood of magnitude 1:100 year
• Investigation of the social and economic impact of relocating the town above the 1:100 year flood