On completion of the final drive, the TBM and its complex electrical components were dismantled, cleaned, and transported to the Port of Auckland, where it was shipped back to Herrenknecht. The site team, in conjunction with Herrenknecht, planned the transfer and removal of the TBM components from site using a special 600 tonne crane with a super heavy counterweight and a 550 tonne assist crane. The team removed oil and cleaned the sections as they were removed from the TBM / tunnel before cradling and packaging them for shipping. The TBM was dismantled into 127 pieces and placed into 100 containers. Disassembly
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