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                   21. 
                    Property, plant, equipment and vehicles 
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                      | 2004 | 
                       
                         Fair 
                          value 
                          $000 
                       | 
                       
                         Accumlated 
                          depreciation 
                          $000 
                       | 
                      Carrying 
                         
                        amount 
                        at 30 
                        June 2004 
                        $000 | 
                     
                   
                    
                  Fair value 
                    has been determined on the basis of engineering expert valuation, 
                    or Valuer Generals Office, or latest prices in the market 
                    for equivalent assets as at 1 July 2003. Additions during 
                    the year have been included at cost. 
                  Reconciliations 
                    of the carrying amounts of property, plant, equipment and 
                    vehicles at the beginning and end of the current financial 
                    year are set out below. 
                  
                     
                      |  
                         Reconciliations 
                       | 
                     
                     
                      | 2004 | 
                      Carrying 
                        amount at 
                        the start 
                        of the year 
                        $000 | 
                      Non 
                        reciprocal 
                        transfers 
                        from govt 
                        agencies* 
                        $000 | 
                      Additions 
                        at cost 
                        $000 | 
                      Disposals 
                        $000 | 
                      Depreciation 
                        $000 | 
                      Carrying 
                        amount at 
                        the end of 
                        the year 
                        $000 | 
                     
                   
                    
                  * 
                    Following the establishment of the PTA on 1 July 2003, all 
                    assets transferred from WAGRC and Transperth assets from DPI 
                    are recorded at fair value, as required by Treasurers 
                    Instruction 955.  
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