| Year | Prize | Organization | Country | Project |
|---|---|---|---|---|
| 2007 | Region 9 Water Project of the Year Award | American Society of Civil Engineers | United States | Optimization of Lake Kaweah (Terminus Dam) |
| 2005 | Project Delivery Team of the Year | USCOE -South Pacific Division (SPD) | United States | Optimization of Kaweah Lake (Terminus Dam) |
| 2003 | 2003 Award for Excellence in concrete | Concrete Institute of Australia | Australia | Lyell Dam |
| 2002 | National Rehabilitation Project of the Year Award | ASDSO | United States | Black Rock Dam |
| 2002 | Australian Engineering Excellence Award | Institution of Engineers, Australia - Sydney Division | Australia | Lyell Dam |
| 2002 | Innovazione amica dell' ambiente 2002 | Legambiente / Politecnico de Milan / Università Bocconi | Italy | R&D - River Fusegates |
| 2001 | Innovation Award - Sustainable Development | VINCI | France | R&D - Fusegate Contribution of River Flood Management |
| 1995 | SAICE Branch Award for Excellence in Civil Engineering |
The South African Institution of Civil Engineers Durban Branch |
South Africa | Shongweni Dam |
| 1995 | National Award for the Most Outstanding Civil Engineering Achievement in Technical Excellence | The South African Institution of Civil Engineers | South Africa | Shongweni Dam |
| 1995 | Water Engineering Award 1995 | The South African Institution of Civil Engineers | South Africa | Shongweni Dam |
| 1992 | Innovation Award FNTP | Fédération nationale des travaux publics (FNTP) | France | R&D - Fusegate system |