Auckland City Rail Link, New Zealand
Auckland’s first underground railway system will reduce congestion, bring people closer to job and amenities, and unlock new development potential.
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Aurecon's project management and technical process engineering specialists paved the way for this award-winning successful expansion.
Dominion Salt required a minimum 50 per cent increase in its salt production, together with the ability to produce more high value pharmaceutical salt at its Mount Maunganui salt plant in New Zealand, Aurecon, in association with Dominion Salt, and equipment suppliers, were tasked with developing the project concept and detailed design for the facility's expansion.
Aurecon also prepared and project managed the equipment supply and installation contracts for the main evaporation plant and new steam turbine from construction through to plant commissioning, while Dominion Salt designed and managed the installation of the new dryer and associated packing plant.
A major challenge was to minimise capital cost while significantly improving plant operating efficiency.
Our solution was to expand the existing three-effect evaporator into a new five-effect evaporator. This was a more cost-effective option than installing a second evaporator, and resulted in improved plant efficiency by utilising the plant’s existing steam generation capacity.
Aurecon also developed a design for the simultaneous manufacture of pharmaceutical and food grade salts, thereby eliminating the need for separate batched campaigns and associated plant downtime.
The new facility has increased plant capacity by 63 per cent to 76,000 tonnes per annum, and has significantly improved the client’s pharmaceutical grade production capability to enable Dominion Salt to meet its growing export demand.
The project has won the following awards:
Auckland’s first underground railway system will reduce congestion, bring people closer to job and amenities, and unlock new development potential.
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