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Christchurch International Airport

New Domestic Terminal and International Check-in Hall



The Christchurch International Airport, Integrated Terminal Project (ITP) featured a three storey multi-faceted structure adjoining the existing international terminal and replacing the existing domestic terminal and international check-in hall.


The Engenium team’s role was as Structural Engineer.


The basis for the structural design in concrete was to enable the structure to be exposed as part of the architecture to allow an economical solution and to provide a structure that would offer an acceptable level of vibration control. Staging of the construction was a key requirement provided for with the concrete structure.


The extensive use of pre-cast concrete was utilised to reduce on-site works and optimise the rate of construction.


A unique cruciform pre-cast beam system was designed to incorporate the complex reinforcing for the ductile joints required for the seismic design.

Long spans were required with the grid being up to 12 metres in one direction and 16 metres in the other.


Specific systems were developed to utilise the prestressed precast floor systems for the 16-metre grid and full-scale testing was undertaken to support the system design.


The roof is constructed from structural steel and was drawn in 3D Tekla to minimise the time and cost of the shop drawings work.

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