Undergound mining products, equipment and engineering services backed up by 25 years of proven experience in the field.
Wilshaw has established itself as a leading provider of engineering and project delivery services to the underground mining industry. Our services cover the full asset lifecycle, from the front-end planning and feasibility stages through to design, procurement, construction and ongoing operation.
TOGURACI GOLD MINE - VENTILATION SHAFTS
PT NUSA HALMAHERA
MARCH 2011 - SEP 2011
GOSOWONG GOLD MINE, INDONESIA
The Toguraci ventilation shafts where a series of five 4.5m diameter shafts with depths ranging from 50m to 100m. Wilshaw provided engineering design and drafting services for the project which included the following:
Designing and developing the pre-sink and strip and line shaft sink methodologies.
Detailed design and drafting of the shaft conveyances which included the work platform, shaft shutters, sinking stage as well as the support beams for SBM400 LP raise drill machine.
Design review of the raise boring, pre-sink and shaft sink stages of operations.