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NRMCA Producer Member Delivers Concrete to Building Roof via Helicopter

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NRMCA Producer member Ozinga had its concrete delivered to the roof of 10-story building in downtown Chicago using a helicopter. The general contractor, Norcon, had previously used a helicopter to deliver structural steel to the roof of the 10-story building, so it decided to use the same helicopter to deliver the concrete to the roof instead of waiting to pull permits for a special pump. An Ozinga concrete mixer was parked in a lot across the Chicago River; its crew filled buckets with concrete and the helicopter lifted them, delivering the concrete to the roof of the building where more crew members were waiting to place it. In total, 15 helicopter lifts were completed to deliver about eight yards of concrete.
"It took the helicopter 1 minute and 15 seconds to deliver half a yard of concrete and have the next one hooked up and on its way," said Rob Raffin of Raffin Construction. "It’s way faster than you could ever imagine. I was on the roof, and it was unbelievable."
Source: Ozinga press release. Click here to view the video.

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