WorkSafe has now launched an investigation into yesterday's workplace death at Jacks Point, Queenstown.
A spokesperson said WorkSafe has up to 12 months to complete its inquiries and cannot comment further while the investigation is underway.
A police spokeswoman said emergency services were called to the incident in Homestead Bay Rd about 2.45pm.
The serious crash unit and WorkSafe were notified, the spokeswoman said.
A St John spokeswoman said it was notified of the incident at 2.17pm and sent a helicopter, an ambulance and a manager.
Both St John and Fire and Emergency New Zealand referred further inquiries to police.
An ambulance could also be seen at the cordoned-off area in Maori Jack Rd where the incident appeared to have happened yesterday afternoon.
About 7pm a police spokesman confirmed a person had died. Inquiries into the circumstances of the incident were ongoing, the spokesman said.