New York City, NY

Moynihan Train Hall

State-of-the-art ventilation systems helped transform this transit hub.

Interior view of Moynihan Train Hall of Penn Station

Value Delivered

For this large core and shell renovation project, Heritage Mechanical Services provided new ventilation systems, serving as the prime air sheet metal contractor. We delivered cutting-edge equipment that formed the backbone of a renovated post office, commercial mixed-use space, and food hall.

Client Objectives

This project was a component of phase three of the multibillion-dollar transformation of Penn Station and Farley Post Office. The goal of the project was to renovate, upgrade, and redesign the existing transit hub into a modern, world-class facility.

Solutions

We delivered cutting-edge mechanical systems, encompassing toilet exhaust, general exhaust, smoke exhaust, and elevator vents, as well as air handling units (AHUs) for a local floor mechanical equipment room and on the rooftop.

Our scope of work featured:

  • BIM engineering, drafting, 3D modeling, and coordination
  • Shop fabrication and installation, including:
    • 361,000 pounds of galvanized supply, return, and exhaust ductwork
    • 12,500 pounds of welded stainless-steel ductwork
    • 36,200 pounds of aluminum ductwork
    • 46,600 square feet of double wall supply and return ductwork
    • 2700 square feet of sheet metal single wall plenums
    • 7,200 square feet of double wall plenums
  • Equipment furnishing and field installation, including:
    • 203 fire/smoke dampers
    • 9 filter housings
    • 14 louvers
    • 79 variable air volume/constant air volume boxes
  • Field installation, including:
    • 85 return, exhaust, and ventilation fans
    • 9 heating coils
    • 28 fan coil units
    • 28 AHUs

Client Background

Moynihan Train Hall is an expansion of Pennsylvania Station, the main intercity and commuter rail station in New York City.