Disposal

Finding the right place

We investigated a number of options for where best to dispose of the material that would be dredged as part of the project. 

Initally, we considered seeking consent to extend our current disposal sites near Westshore beach. However, after further scientific analysis and consultation with stakeholders, we are proposing a disposal site further offshore – 5km east of the port.

At 20 metres deep, this site is much deeper than our current site, which means that the material disposed will be less susceptible to adverse weather events. Any sediment is less likely to be disturbed, minimising any impact on the Hawke Bay marine environment.

Further investigation confirmed two coastal processes were at work that impacted on the decision to dispose of material further offshore.

3D Geological Model & Dredge Volumes

3D Geological Model & Dredge Volumes

Dredge Plume Modelling

Dredge Plume Modelling

Post-Disposal Fate of Dredged Sediments

Post-Disposal Fate of Dredged Sediments

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