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Doornkop Mine

Our operations

Doornkop

Some 30km west of Johannesburg, Doornkop is a single-shaft operation mining the Kimberley and South Reefs to a depth of just under 2 000 metres. Doornkop uses both mechanised bord-and-pillar and narrow-reef conventional mining, with ore processed at its carbon-in-pulp plant. Production at the higher-grade South Reef project is ramping up to scheduled full production in FY16.

Performance FY14

Doornkop’s operational difficulties during FY14 were exacerbated by safety-related stoppages following two fatalities earlier in the financial year and by the underground fire in February 2014 which resulted in nine fatalities. The fire necessitated a cessation of underground operations for four weeks while we ensured that working conditions were safe. We also conducted additional safety training to reinforce the importance of safe behaviour.

The scheduled production build-up was delayed and volumes for the year were adversely affected. Work on rehabilitating the area affected and providing alternative access, so as to restore production, continued into the June quarter while alternative lower-grade stoping panels were opened up. In the fourth quarter, more mining took place from the lower grade areas on 202 level which adversely influenced the recovered grade. This work was completed by year-end and the area is fully operational. Mining of the lower-grade Kimberley Reef was suspended during the year, resulting in improved and more consistent recovered grade. The focus now is on ramping up production from the higher-grade South Reef.

More detailed information on safety performance can be found in the Integrated annual report.

Key statistics

  FY14 FY13 FY12
Number of employees      
– Permanent 2 836 3 238 3 294
– Contractors 736 842 685
Total 3 572 4 080 3 979
Operational      
Volumes milled (000t) 737 1 008 928
Gold produced (kg) 2 603 3 631 3 075
Gold produced (oz) 83 687 116 738 98 863
Grade (g/t) 3.53 3.60 3.31
Productivity (g/TEC) 63.57 87.71 82.00
Development results      
Total metres (excl. capital metres) 8 322 12 501 9 451
Reef metres 1 475 1 625 2 034
Capital metres 0 0 1 640
Financial      
Revenue (Rm) 1 126 1 615 1 284
Average gold price received (R/kg) 427 728 454 937 421 026
Production profit/(loss) (Rm) 28 573 421
Capital expenditure (Rm) 238 285 294
Cash operating cost (R/kg) 420 617 296 714 285 269
All-in sustaining cost (R/kg) 523 839 380 935 356 917
Safety      
No of fatalities 11 0 2
Lost-time injury frequency rate per million hours worked 9.06 5.30 6.28
Environmental      
Electricity consumption (GWh) 187 216 195
Water consumption – primary activities (ML) 1 010 760 1 370
greenhouse gas emissions (000t CO2e) 186 214 193
Intensity data per tonne treated      
– energy 0.25 0.21 0.21
– water 1.37 0.75 1.45
– greenhouse gas emissions 0.25 0.21 1.45
Number of reportable environmental incidents 0 0 0
Community      
Local economic development (Rm)* 25 7 3
Training and development (Rm) 23 17.1 13.0

* Included in the total for FY14 is an amount of R10 million that was capitalised as part of the hostel upgrades

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Recent news

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Annual report

Integrated annual report 2014
Integrated annual report 2014

(HTML & PDFs)

Investor brief

Harmony Investor brief, Feb 2015
Harmony Investor brief -
May/June 2015
(PDF - 2MB)