HAY STREET, MITCHELTON PEDESTRIAN BRIDGE REPLACEMENT

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Approach and Outcomes

Existing 1D hydraulic models (HECRAS and MIKE11) were used to inform the development of a new 2D hydraulic model (TUFLOW). The TUFLOW model was then validated to the existing 1D models before being used to simulate the existing and design bridges for a range of design storms. Modelling for several iterations of the design bridge were undertaken with the model results being used to inform the design process. Modelling of the final design indicated a general reduction of flood levels to properties upstream and adjacent to the bridge.

The Challenge

As part of a rolling renewal process, Brisbane City Council is replacing the existing wooden pedestrian bridges including at Hay Street, Mitchelton.  The objective of this project was to undertake hydraulic modelling and flood impact assessment to inform the design of the new bridge.

Client
Technologies Involved
Client

iCubed Consulting

Technologies Involved
  • TUFLOW

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