The over 100-year-old underground railway tunnels and station scheme beneath the Hudson River between New York City and New Jersey required refurbishment and upgrading. The station improvements included the construction of several cross-tunnels, which connected the existing tunnels and allowed for track crossovers, and replacement of an existing signal relay room. Tunnel E and F works encompassed a complete renovation of the tunnels’ interiors. Rails, controls, power, lighting, and related structural components of Tunnels E and F were replaced.
Construction Ventilation Design:
Gall Zeidler Consultants advised on the construction tunnel ventilation, developed associated contract documents (specifications and layouts), and performed a check of the contractor’s ventilation design.