11 December 2019
In August 2018, the United Nations Development Programme needed to develop a strategy to help mitigate floods for the Vaisigano River passing through Apia in Samoa. Funded by the Green Climate Fund, the project was vital to assess and manage the floods and drainage in the area.
While different flood management measures had previously been assessed in isolation to one another, a more holistic approach was sorely needed. So when the UN Development Programme turned to us to help address the issue, we were happy to bring our environmental and engineering expertise to bear.
The project faced several challenges from the outset. Not only was the local environment steep, heavily forested and located in a volcanic catchment, but the traditional system of land ownership presented its own unique social challenges for flood mitigation and there was an overall shortage of high-quality data.
Our flood management team rose to the challenge, and using the fast computation provided by our TUFLOW HPC hydraulic modelling software, we were able to assess a wide range of mitigation options to develop an optimal flood mitigation strategy.
As a result of over 8 months of work, we delivered a solution that assessed a range of structural and non-structural flood management options against social, economic and environmental performance outcomes. Our high-resolution flood modelling and mapping of the catchment will provide a clearer picture of how best to mitigate destructive floods and help keep residents safe.
This article is part of #BestOfBMT 2019, featuring our best projects throughout the year.
29 June 2022
BMT was awarded a contract by the London Borough of Waltham Forest to build a surface water flood risk model covering the entire Borough.
6 May 2022
As an experienced business leader, Graeme Nayler brings a track record of business transformation and growth that will benefit the BMT portfolio, with relevant industry experience in transport, infrastructure, environment, government and defence
14 February 2022
BMT is pleased to announce the appointment of Colleen Martin who will lead the Environment team in the UK
9 February 2022
The Marina Industries Association (MIA) is proud to announce the launch of a new and important Environmental Partnership with BMT, a leading international design, engineering, science and risk management consultancy.