The employee fell off the 3 - metre - high ( 9.8 ft ) mountain prop he was constructing .
In 2002 the court heard a case in which an employee fell off a stage prop he was constructing for the Italian Opera Rinalda at the Sydney Opera House .
The employee fell off the 3 - metre - high ( 9.8 ft ) mountain prop employee was constructing .
In 2002 the court heard a case in which an employee fell off a stage prop he was constructing for the Italian Opera Rinalda at the Sydney Opera House .