LEMONTREE-BOSTOCK ROAD BRIDGE DESIGN

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Approach and Outcomes

 

WMS was able to develop a cut-down, fine resolution TUFLOW CPU and GPU models of the study area fed by inflows from a complex MIKE FLOOD Flexible Mesh model also previously developed by us. Simulations were then undertaken for 10 yr, 20 yr, 100 yr, 500 yr, 500 yr and 2,000 yr ARIs with 2,000 yr flows estimated from a multiplier of 500 yr flows. Validation of velocities were then undertaken using HECRAS.

The Challenge

Toowoomba Regional Council was planning to widen the bridge crossing of Condamine River at Lemontree-Bostock Road. The bridge crosses a branch of the Condamine River. The Condamine River is fed by a large catchment that extends significantly beyond Council’s LGA and has a wide, complex floodplain. Flood levels and velocities were required to support the bridge design process.

Client
Technologies Involved
Client

Toowoomba Regional Council

Technologies Involved
  • TUFLOW
  • HECRAS

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