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Waterfall Rail Safety Investigation Final Report - Executive Summary

At approximately 0714 on 31 January 2003, State Rail Authority (SRA) passenger train service C311, a scheduled service from Sydney to Port Kembla, overturned at high speed and collided with stanchions and a rock cutting approximately 2 km south of Waterfall NSW.

The train was carrying 47 passengers and two crew. As a result of the accident, the driver and six passengers were killed. The four-car Tangara train, identified as G7, was extensively damaged.

The investigation found there was a high probability that the driver became incapacitated at the controls as a result of a pre-existing medical condition, shortly after departing Waterfall Station. The train then continued to accelerate, out of control, with maximum power applied. The deadman system and the guard were the designated risk controls against driver incapacitation. Both controls failed to intervene as intended and C311 overturned on a curve while travelling at approximately 117 km/h. The train continued on its side for a short distance until it collided with stanchions and a rock cutting. The first and second carriages were righted by the collision. The driver and six passengers were ejected from the train as a result of the accident.

The immediate cause of the accident was the train exceeding the overturning speed for the curve. The systemic causes of the accident were the simultaneous failures of risk controls in the areas of medical standards, deadman system and training.

Although G7 was fitted with two data loggers, they had not been commissioned. Extensive investigation was therefore required, including computer simulation, to provide an understanding of the conditions that preceded the accident and the crash sequence. An underdeveloped safety culture had resulted in failures in the application of the published SRA Safety Management System by line management. SRA had insufficient safety and risk management expertise and had not systematically identified hazards to its operations or effectively controlled all the risks that had been identified. It had a reliance on accident trends to identify risks that needed to be controlled which demonstrated a reactive approach to risk management.

The Rail Safety Regulator had been inadequately resourced to develop an effective rail safety regulatory regime, and consequently had not identified the risk management deficiencies that existed at SRA. The investigation has made a number of performance-based recommendations to address the systemic safety deficiencies identified in this report.

Full copy of the report - 967 kb PDF

NSW Government's response to the report - Web page | Word file (86 kb)

 
 
  Updated: Thursday, 15 January 2004
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