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.