City Rail Link - Here's how the excavation of the temporary access shaft at Mercury Lane is looking today. It's part of the #linkAlliance construction preparation for the #crl #cityraillink Karangahape station.
![Schematic diagram of tunnel shaft excavation process: a pilot hole was... | Download Scientific Diagram Schematic diagram of tunnel shaft excavation process: a pilot hole was... | Download Scientific Diagram](https://www.researchgate.net/publication/358948147/figure/fig2/AS:11431281092222434@1666753489580/Schematic-diagram-of-tunnel-shaft-excavation-process-a-pilot-hole-was-drilled-from-top.png)
Schematic diagram of tunnel shaft excavation process: a pilot hole was... | Download Scientific Diagram
![Excavation of a large diameter drilled shaft (photo courtesy by Ulrich... | Download Scientific Diagram Excavation of a large diameter drilled shaft (photo courtesy by Ulrich... | Download Scientific Diagram](https://www.researchgate.net/publication/241727342/figure/fig1/AS:458823182884865@1486403380068/Excavation-of-a-large-diameter-drilled-shaft-photo-courtesy-by-Ulrich-Hegg-Eng-MSc.png)