Pier turbine shut down after crane mishap

By on July 7, 2010

The wind turbine on the right was shut down so the blades can be replaced.

Blades of one of the three wind turbines on the North Carolina Aquariums’ Jennette’s Pier have stopped spinning in preparation for their replacement.

Tampa, Fla. contractor Misener Marine Construction decided to order new blades as a precaution because one had been touched by a crane cable during the recent installation, Aquariums Director David Griffin said.

“They came to us and brought this to our attention,” Griffin said, referring to the contractor.

Griffin said that it was unclear whether the blade was damaged, but Misener told aquarium officials that “in order to avoid any concern or issue about it” they would replace the blades for free.

The blades were “locked out” — the braking mechanism was employed — when the incident happened, he said.

Two of the 10-kilowatt turbines, manufactured by Bergey Windpower Co. in Norman, Okla. were installed on the pier on May 19. The turbines are generating power, Griffin said, but they will not be hooked to the pier’s electric supply until later in the project.

Jennette’s Pier is expected to be completed in May 2011.

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