INFRASTRUCTURE

Micro tunnelling record set in New Zealand with Herrenknecht rig

Herrenknecht micro tunnel boring machine sets record for contractor McConnell Dowell in New Zealand

The project team and ‘Piper' the Herrenknecht-made MTBM set a record of 2,021m on 28 July 2020, surpassing the previous New Zealand record by 92m. The MTBM was named Piper was by students from Snells...

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