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Barnett and MacMurray Ltd

Computational Hydraulics Specialists

We are engineers specialising in hydraulic and hydrological modelling.  Our work includes river modelling, flood investigations, sediment transport, catchment hydrology, urban stormwater, harbour and coastal studies. We are capable of modelling and analysing complex or difficult hydraulic problems and offer plain language reporting and no nonsense advice.

Our clients include local and regional government, the energy sector, private individuals and other engineering consultants. We work on projects throughout New Zealand and occasionally offshore.  


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What we do

  • Hydraulic modelling and analysis in open channels
  • River hydraulic modelling
  • Flood inundation studies and flood mapping
  • Urban stormwater modelling and analysis
  • Flood control scheme concept design
  • Sediment transport and morphological modelling
  • Hydro power scheme analysis
  • Dam break analysis
View a full list of our skills