Port’s 700-tonne cranes back on deck
Two giant cranes, which have been sitting idle on Wellington’s waterfront since the November earthquake, are back in action.
Temporary work on CentrePort’s 700-tonne gantry cranes have enabled the machines to return to pre-quake service levels, a CentrePort spokesman said.
The cranes, which load and unload container ships, were not damaged in the quake. However, both jumped off the rails they sit on, and land beneath the cranes was weakened.
For the past 10 months, the only ships able to unload directly at the port were ones with their own cranes, which was uncommon in New Zealand waters.
As a result, cargo bound for Wellington has been diverted to other ports, and containers shifted by rail or truck to the capital.
CentrePort, owned by Wellington and Manawatu ratepayers, spent $28 million securing 125 metres of the 585-metre wharf. More than 185 piles, made from more than 1000 tonnes of steel, have been driven about 40 metres into the soil.
In addition, 644 gravel columns have been set in the ground to reduce any liquefaction from future earthquakes and provide resilience to the temporary works.
The completion of the temporary works would enable more shipping lines to return to Wellington, linking regional businesses with international markets.
CentrePort chief executive Derek Nind said importers and exporters in central New Zealand would receive a ‘‘major boost’’.
‘‘We know how important CentrePort’s container shipping is to central New Zealand’s economic competitiveness, [but] using alternative trade routes has increased domestic transport costs by up to 800 per cent for some businesses,’’ Nind said.