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Napier Stormwater Model Build and Masterplan

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

  • $1M

    Services Value

  • 30

    Year Infrastructure Plan

  • Napier, New Zealand

    Napier, New Zealand

Helping our client meet their 30-year strategic infrastructure objectives for stormwater network planning

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 organizations.

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

At a Glance

  • Napier City Council
  • 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—modelling is a key tool in their design.
Ali Paine Senior Drainage Modeller Team Leader Read More

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.
Andrew Craig Practice Leader, Flood Risk Management Read More

David McDonald, Project Management Team Leader, Lower North Island

The future of STEM relies on innovation—we must make sure people from all walks of life can enter this profession.
David McDonald Project Management Team Leader, Lower North Island Read More

Neal Cody, Water Resources Engineer

My work has an immediate and visual impact on the community. It protects communities and people—and helps keep them safe.

David Burton, Water Resources Engineer

Water is as life-giving as it is destructive. I’m proud to work with a team that stewards, harnesses, and handles such a powerful element.

Ali Paine

Senior Drainage Modeller Team Leader

Andrew Craig

Practice Leader, Flood Risk Management

David McDonald

Project Management Team Leader, Lower North Island

Neal Cody

Water Resources Engineer

David Burton

Water Resources Engineer

We're better together

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