Significant Road and Tunnelling project in Sydney, Rozelle Interchange, was a major key in the WestConnex infrastructure, connecting established links to motorways throughout the Sydney CBD, Iron Cove Bridge, M4-M8 link tunnels and West Harbour Tunnel. Consisting of over 600 testing locations, and over 10,000m of core drilling.
Key Services
- Geotechnical drilling, including over 400 boreholes (vertical and inclined) to depths of up to 120m, using auger, wash boring, casing advancing, and HQ3 coring techniques
- Inclined and vertical drilling in soft soil, fill, and rock environments, including joint and fault swarms and dykes
- Insitu packer testing
- Windowless sampling for complete strata profiling
- Field testing, including point load testing, continuous sampling, insitu testing (SPT/push tubes), packer testing, test pitting, and pavement borehole investigation
- Instrumentation installations, including Large Diameter Piezometers, Vibrating Wire Piezometers, Inclinometers, and Multi and Single Point Extensometers
- Supervision of CPT testing and downhole imagery
- Downhole optical and acoustic televiewer
- Laboratory testing
