Platinum production increased by 2% to 895 000 ounces in the first half of the financial year despite the loss of some 83 000 ounces at Impala Platinum. This was due to higher throughput at the other operating units, which is processed through IRS. The lower volumes at the flagship operation, Impala Platinum, negatively impacted on group costs which rose by 14% to R9 889 per platinum ounce excluding share based payments.
IMPALA PLATINUM
The total number of fatalities during the period was fourteen. In order to significantly reduce the operational risk of another fall-of-ground event all mechanised sections have been reconfigured to six metre mining bords. The Lost Time Injury Frequency Rate (LTIFR) deteriorated from 3.47 in FY09 to 4.38 per million man hours with the main issue continuing to be behavioural non-compliance with safety related standards and procedures.
The impact of the 14 Shaft incident, coupled with the two week industrial action resulted in tonnes milled declining by 16% to 6.8 million. Consequently refined platinum production fell to 432 400 ounces. The lower volumes impacted directly on unit costs which rose 21% to R9 755 per platinum ounce excluding share based payments. On a normalised basis (excluding the strike and the 14 shaft incident) unit costs would have risen 4% to R8 376.
The focus at the operation remains on on-reef development at the major Merensky shafts where rates have improved by 16% on a normalised basis and are in line with plans communicated at the Annual Results. This process will take another 18 months to complete and will restore mining flexibility at Impala Rustenburg.
Capital expenditure amounted to R1.6 billion during the period, the majority of which was spent on the new generation deeper level shafts 20, 16 and 17. In conjunction with improved development rates on existing shafts the build-up of these shafts is critical to maintaining 1 million ounces of platinum in the longer term.
MARULA
Although the safety performance from a fatality perspective was positive during the period, the LTIFR deteriorated to 11.62 from 5.21 per million man hours.
Tonnes milled rose by 4% to 816 000 resulting in a similar increase in platinum in concentrate production to
37 900 ounces. However, this continues to be less than planned due to limited face availability as a result of the slower ramp-up to conventional mining. Unit costs per platinum in concentrate ounce were well controlled rising by only 4% to R12 322 per ounce excluding share based payments.
During the period the mineral reserve agreement with neighbouring Modikwa was concluded extending the life of Driekop shaft and will improve mining flexibility.
ZIMPLATS
Zimplats delivered a world class safety performance with the LTIFR improving by 31% to 0.31 per million man hours. The Phase One Expansion has reached full production with the concentrator reaching nameplate capacity in September 2009. Consequently, tonnes milled increased by 82% to 1.97 million and platinum in matte rose by 74% to 81 600 ounces.
The higher volumes resulted in a 25% decline in unit costs to $1 009 per platinum ounce in matte. The technical evaluation for a second phase of expansion has been completed.
MIMOSA
Mimosa maintained its excellent safety performance with an LTIFR of 0.69 per million man hours. In line with the recently completed plant expansions, tonnes milled increased by 14% to 1.15 million and platinum production in concentrate by 16% to 51 100 ounces. The stronger rand dollar exchange rate coupled with the dollarisation of the economy resulted in costs rising by 16% to $1 106 per platinum ounce in concentrate.
TWO RIVERS
Plant optimisation has resulted in tonnage throughput improving by 12% to 1.48 million. In addition higher concentrator recoveries resulted in platinum production in concentrate increasing by 24% to 72 300 ounces. In line with the higher throughput, unit costs per platinum ounce in concentrate declined by 15% to R8 035.
IMPALA REFINING SERVICES
Volumes were up 27% to 462 500 ounces of platinum despite reduced deliveries from Aquarius due to the temporary closure of the Everest South mine.
MINERAL RESOURCES AND MINERAL RESERVES
There has been no material change to the technical information relating to the group’s mineral reserves and resources, or legal title to its mining and exploration activities, as disclosed in the annual report for the financial year ended 30 June 2009. |