The Risks and Effects of Iranian Amirkabir Tunneling Project Using Failure Modes and Effects Analysis (FMEA)

In many developmental projects، the tunnel drilling is fraught with various health and financial dangers. The purpose of this study was to investigate the risks of the Amirkabir tunnel drilling pro-ject in Iran.

In this descriptive study، the tunneling process was divided into 3 phase. The data including the type of risks، their effects and possibilities were gathered using failure modes and effects analysis (FMEA). The cumulative fre-quency of risk grades was calculated، and then ranked by Pareto principles.

The highest percentage of risk grades included hitting with tunneling ma-chineries and equipments، falling-down of workers and crashing of equipments. Discussion &

Based on the Pareto diagrams، by removing or cont-rolling the risks، it would be possible to optimize the safety of Amirkabir tunneling project.