A rigger has been fined $4,000 plus $10,000 in court costs after two Irish workers on an East Perth construction site were crushed to death by a tilt-up panel weighing more than three tonnes.

A rigger has been fined $4,000 plus $10,000 in court costs after two Irish workers on an East Perth construction site were crushed to death by a tilt-up panel weighing more than three tonnes.