GEORGE FISHER LE72 LOWER SHAFT
Location: Mt Isa Mines, QLD
Contract Duration: 16 months
Safety Statistics: 0.0 LTIFR
Scope of Works
Phase 1 – Design, provision, installation and commissioning of equipment to perform the Works.
Phase 2 – Shaft Lining, Access Drive and Shaft Pocket establishment and Shaft Bottom Steelwork Installation.
The project works included:
Mobilisation and demobilisation of all equipment required to perform the works
Preparation of submissions and documentation to enable approval from the Department of Natural Resources and Mining (DNRM)
Underground establishment of sinking equipment in u/g blind heading excavated for raise drilling
Concrete lining of the lower portion of the L72 shaft, 250mm thick (approximately 393m vertical of lining, at 5.84m finished diameter)
Excavation of breakthroughs into two access drives and establishment of the brows
Installation of shaft bottom steelwork (80t) and mechanical items