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Coffey has been engaged to provide design advice for the Lyttelton Port of Christchurch (LPC) Te Awaparahi Bay Reclamation project in New Zealand.

This reclamation project involves four stages of reclamation over 37 hectares of challenging deep and soft compressible marine sediments – prone to high seismic activity and settlements.

General Manager Geoservices New Zealand Andrew Mailer explained that this is a significant transport infrastructure project for our Christchurch team.

“We’re providing geotechnical services to assess the feasibility of preferred design options – advancing the project into a concept phase,” Andrew said.

“The project will provide much needed space for critical infrastructure to support the economic recovery of the Canterbury region,” he said.

Principal Geotechnical Engineer Ioannis Antonopolous said the project must address numerous challenges – including strict resource consent requirements, stringent environmental and cultural restrictions and its proximity to the Lyttelton fault line and potential long settlement periods.

“Our expertise in soft soils and earthquake engineering, combined with previous  post-earthquake work at LPC has armed the project team with a deep understanding of local ground conditions, allowing us to provide well-informed design advice,” Ioannis said.

“Over the past four months we’ve run a series of workshops, bringing together expertise from Coffey offices across New Zealand and Australia, Beca, LPC and other project contractors to select the smartest solutions for this project.”

The project is expected to be completed in 2020 and will help support construction and growth of LPC – while respecting cultural, environmental and heritage sensitivities and ensuring the development is capable of withstanding future seismic events.