Case studies

Latest case studies

Reefton Mine Restoration Project

Oceana Gold have implemented an innovative passive water treatment system at the site, known as a vertical flow reactor. Cirro was used on this project for a combination of tailings dam safety monitoring and environmental monitoring, following the closure of the mine.

Environmental

min read

Takitimu North Link

This project connects Tauranga and Ōmokoroa with a new 14 km four-lane corridor between State Highway 29 Takitimu Drive Toll Road and State Highway 2 Ōmokoroa intersection. The project goal was to improve safety, ease congestion, and provide greater travel choice.

Geotechnical

min read

SH4 Te Ore Ore slip

This was a large slip that occurred along SH4 that was part of an older, larger, landslip. This unfortunately reactivated due to an ongoing increase in pore water pressure within the landslip mass and on the basal shear surface.

Geotechnical

min read