This project involved the construction of a 13m deep x 5.2 diameter shafts, with penetration connections of new and existing SW tunnels. The shafts are constructed using DOKA form work panels, with steel cases and segments lifted in place using a 100 Tonne crane.
CB Civil was responsible for:
- Management of Temporary works design
- De-watering of the 13m deep excavations
- Connection, waterproofing and casting of tunnel structure around the base of the shaft
- Completion of lift plans for complex lifts of formwork and steel cages
- Installation of scaffold and temporary works access and platforms for construction
- In-situ tying of steel and erection of DOKA formwork panels
- In-situ timber formwork for channels, floors and geometric elements f construction
- Pre-Cast of elements for shaft permanent access
- Pumping and finishing of structural concrete
- Flowable fill backfill
- HSEQ compliance
CB Civil has reported strongly on the project showing a good health and safety culture on site. CB Civil recorded over 95% on the client and internal audits.