Shaft Sinking / UG Construction

GF LE72 Lower Shaft

GF LE72 Lower Shaft


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
  • Glencore | Mt Isa Mines
  • 16 Months
  •  0.0 LTIFR