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2016WinterShotcreteEMag

2015 Outstanding Infrastructure Project The Plaza Substation and Queens Structures By Frank E. Townsend III The Plaza Substation and Queens Structures provide structural and architectural rehabilitation to existing facilities along the existing 63rd St Station and will tie in from Long Island to the East Side Access project as a major hub rail station. Tunnel and construction improvements to the Plaza, also known as the Harold Interlocking, connect below-grade facilities for the Mainline Traction Power Substation, Facility Power Substation, ventilation, signal, emergency power, mechanical, and communication rooms. Superior Gunite installed concrete on structural perimeter walls, interior I-beam walls, interior steel-reinforced walls, and circular and Fig. 1: CQ32 is a four-level ventilation facility, passenger station, and office for the MTA. Five other active projects are adjacent to and/or tie directly into the project, making logistics a challenge (a) (b) Fig. 2: Round columns. Most had: (a) a roof to wire and support; and (b) some did not 22 Shotcrete • Winter 2016


2016WinterShotcreteEMag
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