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This phase of the East Side Access projectÌýincluded the construction of the Stage 3 civil structures at Harold Interlocking. The work included 34 one-meter diameter primary secant piles under the bridge with low headroom, 32 one-meter diameterÌýsecondary secant piles under the bridge with low headroom, 18 one-meter diameterÌýsoldier piles, and 20 underpinning pits fiveÌýfeetÌýby six feetÌýby four feet.

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RELATED PROJECTS
ESAÌýCH053 (Harold Structures Part 1)
ESAÌýCH054A (Harold Structures Part 2)
ESAÌýCH057 (Harold Structures Part 3)
ESAÌýCM005 (Manhattan South Structures)
ESAÌýCM006 (Manhattan North Structures)
ESAÌýCM007 (Grand Central Terminal Caverns)
ESA CM014B (Grand Central Terminal Concourse Facility and Fit-Out)
ESAÌýCQ031 (Queens Bored Tunnels)
ESAÌýCQ032 (Queens Structures and Plaza Substation)
ESAÌýCQ033 (Mid Day Storage Yard)
ESA CS086 (Systems Package No. 3)
ESAÌýCS179 (Systems Facilities Package No. 1)