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North Para Flood Control Dam

$12 Million - GRFMA - Gawler River Floodplain Management Authority

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.