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Progress in Headwall of the HRBT Expansion Project

HRBT Expansion Project Site

Following completion of the massive east headwall in the South Island launch shaft, the 14 m (46-foot) external ring at the start of the new tunnel was recently bolted onto the headwall.

Placing and assembling the front shield of the TBM in its support cradle at the base of the launch shaft, are the next steps, while Mary is due to commence her journey next year.

For further information on HRBT Expansion Project please visit their website.

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