Dams
Design and sizing of new dams and Rehabilitation of existing dams,
Our Services
HEES is a professional services company which focus on the following consulting engineering activities (although a multidisciplinary service is possible)
Storm Water
Design and modelling of storm water systems (clean-dirty water separation),
Safety Evaluations
Safety evaluation (Approved Professional Person for dams up to 30 m),
Environmental Engineering
Erosion protection measures, flood line determination and include the design of gabion and concrete structures (canal, pipe, system, low bridges) and airspace modelling
Hydrological Environmental Engineering Solutions
Some of the satisfied clients were Deon van der Merwe was the Design Engineer or Approved Professional Person or team member include:
- CMC di Ravenna – Design Engineer, 55 m high Asphalt Core Rockfill Dam, Kenya
- Letseng mine – Design Engineer, 37 m high homogeneous Dam, Lesotho
- Pretoria Country Club, – Design Engineer, 12 m high homogeneous Dam, South Africa.
- Umgeni Water, APP, Dam Safety Evaluation of the 29 m high zoned earthfill Dam.
- AngloGold Ashanti, APP, Dam Safety Evaluation of the Adma Dam
- ESKOM, APP, Dam Safety Evaluation of the Lethaba Raw Water Reservoir
- University of Johannesburg, Design Engineer, Safety Evaluation and emergency repairs on the Padda Dam
- Impala Water Users Association, Team member and author of the Dam Safety Evaluation on the 69m high concrete arch Bivane Dam.
