The Port Taranaki power station is the largest deconstruction project undertaken in New Zealand in terms of size and value.
Port Taranaki Limited engaged Worley Parsons (WP) to manage and tender out the deconstruction project. WP sorted interest from demolition and scrap companies from Australia and New Zealand.
Nikau’s bid was more relying on the fact that demolition was the key driver in making the project successful not the scrap,. and that the scrap is a by-product of the demolition and getting the structures down safely was more important. Nikau also highlighted its experience in demolishing top hung boilers through the Meremere Deconstruction Project.
The Port Taranaki Power Station (NPPS) is the most complex demolition project undertaken in New Zealand to date with the highest recovery of scrap metal.
Key considerations impacting on the design of the deconstruction methodology are as follows:
The iconic Chinmey, 198m high and prior to Auckland's Skycity being constructed, the tallest structure in New Zealand, was to remain and care had to be taken to ensure no damage to the structure during the deconstruction and removal of ducting to the chimney from the Boiler House.
Care had to be taken as there were still live high voltage cables running the length of the turbine hall that fed power to a large portion of Taranaki - approximately 20,000 consumers; that could not be damaged at all during deconstruction.
The Port Taranaki Power Station has one significant difference to other projects - the sheer size and scope of the project; unprecidented in New Zealand; directed that any and every possible hazard that could be encountered on a demolition and contamination site was present here, so Nikau's team worked hard to develop practical, achievable solutions for common and unique hazards.
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Pease click on the link to view the video of this project https://vimeo.com/135509448