Metro Transit Authority

East Side Access Tunnel

Manhattan, New York

Helix Steel has been able to meet both the concrete reinforcement specification for the MTA’s East Side Access project and deliver on the demanding supply schedule.

   – Leon "Lonnie" Jacobs, Frontier Kemper


Project Summary

Category:                 Undergound
Contractor:             Frontier-Kemper
Location:                 Manhattan, New York
Application:           Cast in Place Tunnel Lining
Helix Dosage:       70 lb/yd3 

The MTA's East Side Access project, the nation's largest public transportation project and the first expansion of the Long Island Rail Road in more than 100 years, will connect the rail line via underground tunnels to Grand Central Terminal in Manhattan.


Frontier Kemper's portion of the project includes work on a permanent structural concrete lining, interior structures, and fit-out for previously excavated tunnels north of Grand Central.  Helix Steel is providing Twisted Steel Micro Rebar™ solutions for cast-in-place tunnel final lining and shotcrete applications. 


Underground Projects

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