The four wind turbines on the Marine Board building will be shut down until a full investigation has been done by Workplace Standards Tasmania.

Roy Ormerod, general manager of Workplace Standards Tasmania, confirmed yesterday the turbine's supplier, I Want Energy, had been ordered to turn off the turbines.

Mr Ormerod said the notice was put in place to secure the safety of workers and visitors to the building.

"If someone is up on the roof and the turbines are going there is a risk of someone being hurt," Mr Ormerod said.

"And that also applies to people going in and out of the building at... [continue via Web link]