A 59-year-old man who worked for Emmanuel Construction Services Limited died on a job site in Terra Nova National Park.
The RCMP said officers and paramedics responded to a call at 10 a.m. on Friday.
The man, who is from Hare Bay, had been working at the compound in the park. He was taken to hospital but died.
A stop-work order has been issued for the site, a spokesperson for Occupational Health and Safety told CBC News on Tuesday.
Both the RCMP and OHS are investigating, and say no other details can be provided at this time.