Another page of bridge history was written yesterday when the I Lift NY fitted a 600-ton precast concrete pile cap on a set of piles.
It was the super crane’s first of many placements and future lifts.
“You have the tub sitting over four piles that are accepting the load, so precision is key,” Prof. Ted Zoli, HNTB National Bridge Chief Engineer on the bridge project, explained.
Strong winds and choppy waters were no match for the crane’s precision and zero margin for error.
“You’re surveying it and want to hold it (tub) vertically so you’re not changing the position of the load,” Zoli said. Cleared around the piles, the arm began lowering the tub carefully, slowly, within that…
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