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Helicopter, bucket relieve Ozinga RMC customer of special pump permit.

Chicago-based general contractor Norcon and concrete subcontractor Raffin Construction opted to deliver an Ozinga Ready Mix Concrete load for the expansion of a vintage reinforced concrete structure--the 10-story Montgomery Ward building along the Chicago River--using a helicopter and 1-yd. bucket.

Norcon had previously used a helicopter to hoist structural steel members to the roof of the early 20th century building, located just north of downtown Chicago, and decided to use the same craft to deliver the concrete instead of waiting to pull permits for a special pump. Raffin Construction staged its own equipment, plus an Ozinga RMC mixer, in a parking lot across the Chicago River.

"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," says Rob Raffin. "It's way faster than you could ever imagine. I was on the roof, and it was unbelievable."

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Caption: Fifteen helicopter lifts were required to deliver 8 yd.

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Title Annotation:NEWS SCOPE: READY MIXED
Publication:Concrete Products
Date:Aug 1, 2016
Words:171
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