dam and irrigation schemes projects
The upgrade of the Bospoort Dam was undertaken for the Department of Water Affairs and Sanitation and included the raising of the existing dam walls, construction of toe drains, blasting, creating coffer dams, and relocating fauna and flora.
The North Boundary Dam upgrade was undertaken for AngloGold Ashanti and entailed upgrading a homogenous embankment dam to a high clay core rock fill dam including the mass gravity concrete spillway structure and increasing the dam capacity eight-fold.
Agricultural irrigation dam construction was undertaken for Amatheon-Agri Zambia and entailed the construction of two clay core earth fill embankments dams with steel outlet pipelines encased in reinforced concrete.
Agricultural irrigation dam spillway construction was undertaken for Amatheon-Agri Zambia and entailed the construction of two unique spillways. A 200-metre long straight spillway with its 36-metre wide, and up to seven-metres deep stilling basin; and a 375-metre long arched spillway with its 36-metre wide, and up to two-metres deep stilling basin.
Imvutshane Dam project in Maphumulo was undertaken for Umgeni Water and entailed the construction of a 233-metre long, 28-metre high clay core dam wall with concrete works including 40-metre-wide spillway, gravity walls, a 23-metre high intake tower, as well as inlet and outlet headwalls. More information on the project is available here.
The Mphofu Dam outlet structure (undertaken in Swaziland) formed part of the LUSIP – Tertiary Distribution System Phase 1(b) project that entailed the construction of 16 irrigation off -takes spanning 96 kilometres and comprising of a 56-kilometre pipeline, valve stations, a single pump station and 60 balancing dams.