Cockatoo Siding 273 km on the Hamersley Iron line to Yandi, ballast plough waggon BP 02 is on the end of a ballast rake being loaded. BP 01 has been converted from an Nippon Sharyo ore waggon with the fitting of a plough blade, the waggon is also loaded with ballast for ballast. Location is roughly here. 24th November 2001.