A man has been freed after he became trapped in a 15-metre pit on a construction site in Sydney's south.
The accident occurred when construction material collapsed on the man at the building site on Gerrale Street, Cronulla, shortly before midday on Wednesday.
NSW Ambulance Inspector Rob Murray said the man, aged 38, was stabilised by six paramedics and a doctor.
"Paramedics kept the patient stable and calm through what was a difficult process," he said, adding that the man had been taken to St George Hospital.
When police and emergency services arrived, a "difficult vertical extrication process" was planned and executed.
The man was lifted from the pit shortly after 2pm.
Mr Murray said the man was "alert and ... constantly assessed" throughout the extraction.
A SafeWork NSW spokesman said initial inquiries indicated the man suffered leg injuries when approximately 20 sheets of steel reinforcement mesh weighing about 1.6 tonnes that was being moved by an excavator, was dropped on him.
"An excavator lifted the mesh off the worker, and he was taken from the site by paramedics. SafeWork NSW's investigation remains ongoing," he said.
with AAP
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