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Building a comprehensive stormwater network model to assist with future infrastructure planning and maintenance

At a Glance

  • $1M

    Services Value

  • 30

    Year Infrastructure Plan

Location
Napier, New Zealand
Offices
Client
  • Napier City Council
Partners
  • Hawke¡¯s Bay Regional Council

Napier Stormwater Model Build and Masterplan

Providing reliable, resilient, and affordable services to the community is a high priority for our councils, and when it comes to stormwater network planning, Napier City Council (NCC) is no exception. They needed a stormwater model and system masterplan with a 30-year planning horizon to inform investment in network infrastructure over this period.

How did we help? We built a model of the existing stormwater network for the Napier and Bay View areas, using specialist software to construct three-way coupled models for both areas. We used the models to undertake flood hazard assessments, identify capacity constraints with future impacts of climate change and sea level rise, and to prepare an investment plan. Models also considered the impact of growth on the network to help inform future planning decisions. Navigating complex interactions between NCC and Hawke¡¯s Bay Regional Council assets and their management, operation and investment required comprehensive engagement with teams across both organisations.

As the consultant for the Nelson and Hawke¡¯s Bay councils, we¡¯ve continued to use the models¡ªas have the councils. The models help inform development assessments, growth studies, structure plans, and drainage scheme reviews.

At a Glance

  • $1M

    Services Value

  • 30

    Year Infrastructure Plan

Location
Napier, New Zealand
Offices
Client
  • Napier City Council
Partners
  • Hawke¡¯s Bay Regional Council

Meet Our Team

Ali Paine, Senior Drainage Modeller Team Leader

Drainage systems are critical infrastructure, helping protect people's health and property¡ªmodeling is a key tool in their design.

Andrew Craig, Practice Leader, Flood Risk Management

I help clients understand the risks and impacts of flooding and develop resilient solutions to manage uncertainty and climate change.

Ali Paine

Senior Drainage Modeller Team Leader

Andrew Craig

Practice Leader, Flood Risk Management

We¡¯re better together

  • Become a client

    Partner with us today to change how tomorrow looks. You¡¯re exactly what¡¯s needed to help us make it happen in your community.

  • Design your career

    Work with passionate people who are experts in their field. Our teams love what they do and are driven by how their work makes an impact on the communities they serve.

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