Micro tunnelling record set in New Zealand with Herrenknecht rig

Southern hemisphere construction contractor McConnell Dowell has set a new Direct Pipe world record, for the longest single drive by a micro tunnel boring machine (MTBM) on Watercare’s Snells Algies wastewater pipe and outfall project.

Micro tunnelling record set in New Zealand with Herrenknecht rig Micro tunnelling record set in New Zealand with Herrenknecht rig Micro tunnelling record set in New Zealand with Herrenknecht rig Micro tunnelling record set in New Zealand with Herrenknecht rig Micro tunnelling record set in New Zealand with Herrenknecht rig

In New Zealand, contractor McConnell Dowell has used a Herrenknecht micro tunnel boring machine to set a record for a Direct Pipe drive

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.