The Duke Energy Center is recognised for its uniquely chiseled upper quadrant and crossbeam more than 20 metres above roof level.
The solution was complicated by the need to achieve a large reach, whilst still being able to compress the machine sufficiently so it could be lowered into a very tight parking pit for storage.
In order to reach all parts of the building including the extreme corners, the five-stage luffing jib is designed for the project. To access the sloping roof areas on either side, the cradle is fitted with a soft rope system. All objectives were satisfied with the innovative design than included a lift platform that lowers the BMU approximately six metres into the parking pit when not in use.
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