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A tracked excavator fitted with a single-tine ripper breaks up the concrete steps beside the Water of Leith near the University of Otago registry earlier this week.
Otago Regional Council engineering, natural hazards and science director Gavin Palmer said Downer New Zealand Ltd was awarded the contract for the latest stage of flood protection work on the Leith, between the St David St and Union St bridges.
Most of the work involved the western bank of the stretch as well as some work in the channel of the river and the eastern bank, as part of a design incorporating graduated access to the river which would also increase its flood-carrying capacity.
Access to the St David St bridge would be restricted at times during the work as it was to be extended, but the Union St bridge would remain open throughout, he said.
The work is due to be completed by the end of May.