
The Virginia operations were among the oldest in the group however, by year end, these comprised just Unisel after the closure of Merriespruit 1. Unisel is of intermediate depth, mining ranging from 1 000 to 2 000 metres, and uses scattered mining and pillar reclamation to access the Basal, Leader and Middle Reefs. Ore is processed at Harmony 1 plant.
There was regrettably one fatality at Unisel during the period (FY10: five), with the LTIFR at 11.57 per million hours worked (FY10: 12.86).
Unisel employed 1 870 people in FY11, including 68 contractors.
The FY10 review of Harmony’s asset portfolio included the economic viability of the Virginia operations, characterised by depleted orebodies, mature infrastructure and low grades. Accordingly, Brand 3, Harmony 2 and Merriespruit 3 were closed.
After careful review, the company announced in October 2010 that it would also close Merriespruit 1 shaft. Earlier in the period, a productivity-linked deal with trade unions was reached allowing Merriespruit 1 to continue operations, provided it did not make a loss (on a total cost basis, including capital expenditure) for two consecutive months and total costs remained under R250 000/kg. Despite the best endeavours of the operational team, Merriespruit 1 failed to meet these conditions and closure procedures started. After formal consultation with employees on alternatives to retrenchment, 1 200 of the 1 470 employees affected by closure were transferred to our growth operations, resulting in minimal and mainly voluntary retrenchments. The company also successfully renegotiated mortgage conditions for affected employees to preserve their homes.
As a result of restructuring the Virginia operations, production for the year was down 65% to 576 000 tonnes milled. However grade improved markedly, validating the decision to close the loss-making shafts. Gold production decreased 58% to 71 149oz.
At Unisel, both Basal and Leader Reef development produced good results after environmental constraints in the E block were removed by the completion of the cooling project. Middle reef development focused on the decline area pillars and was affected by seismicity and poor ground conditions. No development was undertaken on the A or B Reefs. Overall, the shaft produced reserves on the Basal and Leader Reefs. Future development will continue to focus more on the better-grade E block and portions of the Brand 5 shaft pillar.
Revenue decreased 52% to R682 million. Following the closure of Merriespruit 1, cash operating costs decreased by less than 1% to R250 193/kg (US$1 114/oz). However, operating profit rose by 60% to R120 million (US$18 million) after the closure of loss-making units. Capital expenditure of R79 million (US$11 million) was spent largely on ongoing development (69%), maintenance and other shaft capital (31%).
| Production | FY11 | FY10 | FY09 | |
|---|---|---|---|---|
| Volumes milled | 000t (metric) | 576 | 1 656 | 2 261 |
| 000t (imperial) | 636 | 1 826 | 2 493 | |
| Gold produced | kg | 2 213 | 5 288 | 8 030 |
| oz | 71 149 | 170 013 | 258 170 | |
| Average grade | g/t | 3.84 | 3.19 | 3.55 |
| oz/t | 0.112 | 0.093 | 0.104 | |
| Financial | ||||
| Revenue | R million | 682 | 1 415 | 2 033 |
| US$ million | 98 | 187 | 226 | |
| Operating cost* | R/kg | 250 193 | 252 537 | 184 538 |
| US$/oz | 1 114 | 1 036 | 638 | |
| Operating profit | R million | 120 | 75 | 545 |
| US$ million | 18 | 10 | 61 | |
| Capital expenditure | R million | 79 | 180 | 199 |
| US$ million | 11 | 24 | 22 | |
| People | ||||
| Number of employees | ||||
| Employees | 1 802 | 3 979 | ||
| Contractors | 68 | 57 | ||
| Total | 1 870 | 4 036 | ||
| HDSAs in management | % | 21 | 36 | |
| Women in mining | % | 9 | 13 | |
| Expenditure on training and development | R million | 14 | 27 | |
| Safety | ||||
| fatalities | 1 | 5 | ||
| LTIFR | per million hours worked | 11.57 | 12.86 | |
| Environment | ||||
| Electricity used | 000MWh | 283 | 406 | |
| Water used for primary activities** | 000m3 | 2 772 | 10 380 | |
| GHG emissions | 000t CO2e | 142 | 491 | |
| Expenditure on local economic development | R million | 5 | 4 | |
| Status of mining right | New-order mining right granted in December 2007 | |||
* Includes royalty payment in FY10 and FY11.
** Water decreased year on year due to the decommissioning of the Virginia operations.
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