CLIENT: Impala Platinum
PROJECT: No. 17 Shaft
REGION: South Africa
STATUS: Completed
SCOPE OF WORKS
Sinking of a three-shaft complex – main shaft; ventilation shaft and Bulk Air Conditioning (refrigeration shaft)
Ancillary development and construction
MAIN SHAFT:
Depth: 1932 metres
Finished diameter: 10 metres
VENTILATION SHAFT:
Depth: 1764 metres
Finished diameter: 9.5 metres
REFRIGIRATION SHAFT:
Depth: 1432 metres
Finished diameter: 6 metres
SPECIAL ACHIEVEMENTS AND CHALLENGES
One of the biggest sinking projects yet undertaken in the southern hemisphere at the time – simultaneous sinking of three shafts.
Sinking through hard rock.
At the time this was the tallest steel headgear in South Africa designed by METS