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World-leading Technology To Avoid Future Auckland Airport Flooding

Published: Thu 9 May 2024 05:10 PM
After significant flooding at the Auckland Airport during Cyclone Gabrielle, steps are being taken to ensure it doesn't happen again.
Photos and video showing the floods at parts of the airport was beamed around the world last January, including passengers wading through water.
At that time, stranded passengers described the international airport as a "war zone" and "zombie land", with flights cancelled and more than 1000 displaced people and staff walking around or sleeping on the floor.
The airport's sustainability manager Ellie Callard said they've learnt from the flooding, and were taking steps to reduce the impact of future extreme events.
Addressing the Manukau Harbour Forum, Callard said with development plans in place for the coming decade, the airport wanted to be a better neighbour to the harbour and environment.
“The floods showed us we had to do better, and we have been working on what that means," Callard said.
“Airports by their nature are places with a lot of concrete, runways and buildings.
"But Auckland Airport also makes a huge investment in storm water and we want to do it well.”
The airport was investing in world-leading technology designed to improve catchment, filtration and water quality discharge, she said.Flooding at the international terminal during Cyclone Gabrielle in January 2023. Photo: Supplied
“We are more than just runways and terminals. We are a major landowner with about 20,000 people working on our sites every day.
"We are aware of our impact on the environment, and it’s influencing development."
The airport was bringing the domestic and international terminals together, and developing more hard stand for aircraft, "something we want to offset in a smarter way than ever before".
The airport plans to use bio-filtering technology and improved wetland management techniques that will capture, retain and treat storm water on site in a first for New Zealand.
She acknowledged one of the problems wetlands brought was bird life - something which posed an aviation risk.
“Today we can harness knowledge that allows us to attract birds to areas we want them in, but which will keep them away from runways.Flooding outside of the airport. Photo: Supplied.
"Our longer-term objective is to renew all our storm water ponds to the latest standards.”
The airport was also working to restore contaminated land, historically used for fire fighting training, and was working with iwi and community groups on coastal and community clean-ups, planting programmes and wildlife protection.
“It’s a case of don’t just do what’s required. We want to go beyond that so we can improve the outcomes for people and nature."
The airport's plans to improve the environmental impacts on the Manukau was welcomed by the forum.
Chairperson Jon Turner said it was fantastic to see the airport stepping up.
“What’s welcome is hearing Auckland Airport wants to take more responsibility for the environment," Turner said.
"It remains committed to sustainability, where it already has a record of progress in emissions reductions, energy savings and waste management.
"The Manukau needs all the help it can get.”
The Manukau Harbour Forum brings nine local boards that edge the harbour – Franklin, Papapkura, Manurewa, Māngere-Ōtāhuhu, Ōtara-Papatoe, Maungakiekie-Tāmaki, Puketāpapa, Whau and Waitākere - together to help support and restore the health of the harbour.Planned filtering systems to help clean stormwater run-off. Supplied image.
Torika Tokalau - Local Democracy Reporter
Content from the Local Democracy Reporting (LDR) service is published by Scoop as a registered New Zealand Media Outlet LDR Partner.
Contact Lois Williams - Local Democracy Reporter

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