LIRR Grand Central Caverns East Side Access

BUILDING: LIRR Grand Central Caverns East Side Access 

SERVICE: NEBB CERTIFIED TESTING, ADJUSTING, AND BALANCING 

SCOPE: Airside and Hydronic Systems 

Construction of the Grand Central Terminal Station Caverns and installation of the track and special track work in the tunnels and GCT Caverns. The Cavern work includes fabrication and construction of the permanent structural concrete lining, interior structures, and fit-out of the cavern spaces. The contract also includes installation of all track, special track work and third rail from south of the south end of the stations, through the GCT Caverns, and through the tunnel portals in Queens. The contract work in Queens Bellmouth includes closure and backfill of the existing open tunnel structures and backfill of the structures and the site. The scope of work includes structural precast fit-out of two 1000-foot existing caverns with 830 precast beams, 844 precast panels, 694 precast walls, and 370 precast platforms.