The ARTC Code of Practice at the time of the derailment did not categorise bolthole cracks as defects requiring action unless they exceeded 20 mm in length.
The Australian Rail Track Corporation (ARTC) Code of Practice at the time of the derailment did not categorise bolt-hole cracks as defects requiring action unless they exceeded 20 mm in length. Action taken by the Australian Rail Track Corporation - The ARTC initiated a review of their standards relating to inspection and assessment of bolt-hole cracks. In December 2008, the ARTC issued Engineering(Track & Civil) Instruction, ETI-01-05, Bolt-hole Crack Limits. Under this instruction, all bolt-hole cracks are recorded as defects and require removal, irrespective of the crack size. ATSB assessment of action.
The ATSB is satisfied that the action taken by the ARTC adequately addresses the safety issue.
