Notes to the annual financial statements
 for the year ended 30 June 2003
    
20032002
  R000R000

7. Long term provisions
Provision for decommissioning costs
- balance at beginning of year9 025 7 903
- present value of decommissioning asset capitalised (note 1)822 61
- unwinding of discount (note 9)632 553
- charged to operating costs (note 9)487 508

 
- balance at end of year10 966 9 025

 
Provision for restoration costs
- balance at beginning of year368 276
- unwinding of discount (note 9)26 19
- charged to operating costs (note 9)82 73

 
- balance at end of year476 368

 
Environmental rehabilitation obligation at year end11 442 9 393

 
Environmental rehabilitation obligation before funding11 442 9 393
Less: Northam Platinum Restoration Trust Fund (note 3)10 462 8 568

 
Net environmental obligation980 825

 
Future value of decommissioning obligation42 435 37 370
Future value of restoration obligation4 314 4 070

 
Future value of rehabilitation obligation46 749 41 440

 

The future value of the environmental rehabilitation obligation will be paid over to the Northam Platinum Restoration Trust Fund (note 3) over the remaining life of the mine which is currently estimated at 20 years.

The present value of the enviromental restoration obligation is determined by applying a pre-tax discount rate of 10% over the remaining life of the mine.