At the 39 km detection site with the Alstom 25-year service agreement special, BHP Iron Ore's Goninan GE rebuild CM40-8M unit 5653 'Chiba' serial number 8412-10 / 93-144 stands on the Newman mainline with The Sundowner and 5634 on the rear of the train as the party conducts an inspection of the site. Friday 12th of April 2002.