Steady-state operations

 
 
 
 


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Tshepong
   
Tshepong is Harmony’s largest operation, with a single vertical shaft extending 2 161 metres below collar. Ore is transported 23 kilometres to the Harmony 1 plant. The Tshepong sub-71 decline project under way will extend mining to 2 366 metres below surface and the sub-66 project is currently building up production. The mine uses conventional undercut mining on the Basal Reef while the B Reef is exploited as a high-grade secondary reef.
 



Safety

Despite achieving 750 000 fatality-free shifts during the year, overall safety performance deteriorated slightly, with the LTIFR at 12.60 (FY10: 12.22). There were regrettably two fatalities during the year (FY10: two).

More detailed information on safety performance and Harmony’s sustainable development concerns in South Africa can be found in the online sustainable development report, with a summary on pages 6 to 15 of this report.


Tshepong employed 5 188 people in FY11, including 206 contractors.

Detailed information on Tshepong’s resources and reserves appears in the mineral resources and mineral reserves section of this annual report.

 

Operations review

Tonnes milled decreased by 12% to 1.34 million in FY11, while grade improved 8% to 4.82g/t. Gold produced dropped to 207 950oz. Tshepong is one of Harmony’s lowest-cost producers, although its grade remains sensitive to stoping width. This is rigorously controlled by the under-cut mining method used at this mine.

Development of sub-71 decline progressed well during the year, despite the area being directly affected by the fire at neighbouring Phakisa in the first quarter. After commissioning the belt and completing the temporary tip on 73 level, the development rate improved for the rest of the period. The sub-71 project, which will connect Tshepong with Phakisa, remains on track for completion in May 2012. This project extends the existing double decline from 71 to 76 level to enable mining on both 73 and 75 levels. The project’s goal is to sink the decline to 76 level by May 2012.

Financial review

Revenue rose by 10% to R2 007 million and by over 19% to US$287 million. Cash operating cost rose by 10% to R182 042/kg and by 20% to US$810/oz with cost pressure coming from increased wages, electricity tariffs and the cost of supplies and equipment.

Capital expenditure was 5% higher at R273 million (US$39 million), primarily for ongoing development, major equipment maintenance and other shaft capital, and the sub-71 decline project. Total expenditure to date on this project is R189 million (US$27 million).

Tshepong key statistics

Production     FY11   FY10   FY09  
Volumes milled   000t (metric)  1 343   1 518   1 375  
  000t (imperial)  1 481   1 674   1 516  
Gold produced   kg   6 468   6 749   7 178  
  oz   207 950   216 986   230 778  
Average grade   g/t   4.82   4.45   5.22  
  oz/t   0.140   0.130   0.152  
Financial          
Revenue   R million   2 007   1 823   1 780  
  US$ million   287   241   198  
Operating cost*   R/kg   182 042   164 938   139 901  
  US$/oz   810   677   483  
Operating profit   R million   835   676   802  
  US$ million   119   90   89  
Capital expenditure   R million   273   261   249  
  US$ million   39   35   28  
People          
Number of employees          
Employees     4 982   4 901    
Contractors     206   163    
Total     5 188   5 064    
HDSAs in management   %   31   30    
Women in mining   %   9   11    
Training and development expenditure   R million   22   23    
Safety          
Fatalities      2   2    
LTIFR   per million hours worked   12.60   12.22    
Environment          
Electricity used   000MWh   314   288    
Water used for primary activities**   000m3 9 351   1 144    
GHG emissions   000t CO2e   348   347    
Expenditure on local economic development   R million   10   6    
Status of mining right   New-order mining right granted in December 2007  
* Includes royalty payment in FY10 and FY11.
** New definitions used in FY11 have resulted in a revised calculation methodology.
 
 
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