North Para Flood Control Dam

Construction of a RCC flood control dam

The construction of a roller compacted concrete "RCC" flood control dam on the North Para River located 7km northeast of the township of Gawler.

The project consisted of the following main elements:

• Provision of temporary works including site access, upstream & downstream coffer dams with piped river diversion & onsite concrete batch plant.

• Excavation to rock foundation over dam footprint including detailed dental treatment.

• Construction of the main RCC dam structure being 200m in length by 32m high, requiring the batching and placement of 45,000m³ of RCC.

• Deployment of innovative jump formwork system for sheer upstream face and stepped downstream.

• Integrated secondary spillway structure also with RCC and various misc metalwork structures including debris frame, access ladders and handrails.