Haughton River Floodplain Upgrade - ISCouncil

Haughton River Floodplain Upgrade

Project Details

  • Rating Type:As Built
  • Location: QLD
  • Stakeholders:

Project Highlights

Materials

The project achieved a Level 3 score of (7.65/7.65 points)  for this credit 39% reduction is environmental impact.  

The materials calculator estimates that that the environmental impact of the actual case is 39% lower than the base case. This reduction is due to the actual case having nine fewer bridges than the base case, resulting in significantly less precast concrete, steel, and ready-mixed concrete.

Key material changes from base case:  

  • 71% reduction in precast concrete and 47% reduction in steel in the actual case associated with nine fewer bridges to be constructed   
  • 127% increase in gravel quantities associated with construction of more pavement base course due to reduction in bridges  
  • 72% reduction in ready mixed concrete associated with fewer bridge structures and change from concrete drains to grass swales

Ecology

The project obtained a level 3 score (12.75/ 12.75 points) for this credit. Based on the ecological improvements that have been incorporated into the project design, an enhancement of 22% to ecological value is anticipated. 

In summary ecology enhancement was assessed for this project through the implementation of the following approaches:   

  • 1.91ha of open forest seed mix treatments that provide improved habitat for Black-throated Finch, and Bare-rumped Sheathtail Bat;  
  • 2.46ha improvements to Black Ironbox habitat;  
  • 6.2ha of restored wetlands; 
  • Translocation of 0.22ha of marine plants (Salt Couch) 

 

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