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.
![Excavation cycle times recorded during sinking of a deep shaft in crystalline rock – A case example at Ventilation Shaft of Mizunami URL, Japan - ScienceDirect Excavation cycle times recorded during sinking of a deep shaft in crystalline rock – A case example at Ventilation Shaft of Mizunami URL, Japan - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0886779815001248-fx1.jpg)
Excavation cycle times recorded during sinking of a deep shaft in crystalline rock – A case example at Ventilation Shaft of Mizunami URL, Japan - ScienceDirect
![Crossrail lessons: An innovative verification process to speed construction of Crossrail's Moorgate shaft | Ground Engineering Crossrail lessons: An innovative verification process to speed construction of Crossrail's Moorgate shaft | Ground Engineering](https://emap-romulus-prod.s3.eu-west-1.amazonaws.com/wp-content/uploads/sites/13/2015/12/Figure-12-Moorgate-shaft-excavation-to-71.2m-ATD.jpg)
Crossrail lessons: An innovative verification process to speed construction of Crossrail's Moorgate shaft | Ground Engineering
![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)