Christiaan has been involved in various multi-million-dollar infrastructure projects – some of the more noteworthy projects are showcased here. 

 

DASU HPP – Pakistan

Salient Information
Dam 242m high RCC gravity dam
Crest length 570m
Diversion 2x D-shape tunnels (24m H x 20m W)
Spillway 45 100m3/s
LLO 9 no x 6.4m diam
Powerhouse Underground
Installed capacity 4,320 MW (in 2 stages)
Peripheral works 79 km of new and realigned roads 10 no of large bridges
Position Contracts/Claims Advisor

KOYSHA HPP – Ethiopia

Salient Information
Dam 180 m high RCC gravity dam
Crest length 990 m
Diversion 3,000 m3/s double barrel culvert
Spillway capacity 13,100 m3/s 6 x 20m W x 17m H radial gates
MLO 2 no with 900 m3/s each
Powerhouse Surface
Installed capacity 1,800 MW
Peripherals 400 kV transmission line
Position Contracts Manager

NEELUM JHELUM HPP – Pakistan

Salient Information
Type of dam Composite concrete gravity + rockfill
Height 60 m
Headrace tunnel 28,84 km (19,6 km twin TBM + 8,94 km D&B single tunnel) X-section area ≥ 100 m2
Surge tunnel 820 m
Powerhouse Underground (120m L x 56m H x 27m W)
Installed capacity 969 MW (4x 242.25 MW)
Position Project- & Construction Manager

XAYABURI HPP – LaoPDR

Salient Information
Type of dam Run-of-river concrete barrage
Height 32.6 m
Length 820 m
Spillway 7 radial gates (19m W x 25m H)
Low level outlets 4 radial gates (12m W x 16m H)
Installed capacity 1,285 MW 7x 175 MW + 1x 80 MW
Navigation locks 3 sets of miter gates (14m W x 28m H)
Fish migration Fish-friendly turbines Fish ladder and transfer systems in all major structures
Peripherals 500 kV transmission line to export power to Thailand
Position Chief Resident Engineer

DRIEKOPPIES DAM – South Africa

Salient Information
Type of dam Earth embankment with clay core
Height 50 m
Length 2,340 m
Spillway 150 m long free overflow
Storage capacity 251 million m3
Position Resident Engineer – Structures

BIVANE DAM – South Africa

Salient Information
Type of dam Concrete arch dam
Height 72 m
Crest Length 180 m
Spillway 60 m long free overflow
Storage capacity 15 million m3
Position Resident Engineer – Technical

MOHALE DAM – Lesotho

Salient Information
Type of dam Concrete Face Rockfill Dam
Height 145 m
Crest Length 700 m
Spillway capacity 6,000 m3/s
Storage capacity 1 billion m3
Diversion 2 diversion tunnels (650m + 560m)
Position Asst Resident Engineer – Dam

VENETIA MINE – South Africa

Salient Information
Structure 3x main ore stockpiles with concrete conveyor tunnels for reclaiming of crushed rock
2x 150m diam thickener dams
Process buildings
Various platforms
HDPE lined raw water reservoirs
and many more
Position Snr Construction Manager

SAFETY & SECURITY INSTALLATIONS AT HYDRO-CARBON STORAGE FACILITIES – South Africa

Salient Information
Structures Fire water reservoirs
High pressure fire water and foam pumping installations and distribution pipe networks
Upgrading and sealing of bunds around storage tanks
Water and foam canon installations
Perimeter security Security roads
Infrared and other detection
Non-lethal electric fences and alarm systems
Position Project and Construction Manager