MTA Tunnel

Manhattan, New York City. USA

XXXX

Year Completed

Project Summary

Description

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.

Category

Underground

Location

Manhattan, NY

Original Design

Confidential

Contractor

Frontier Kemper

Application

Cast in Place Tunnel Lining

Helix ® Dosage

70 lb/yd3

Increase In Shear Strength:

Increase In Modulus of Rupture:

Increase In Durability:

Increase Construction Speed:

Reduction In Carbon Footprint:

Confidential

Confidential

Confidential

Confidential

Confidential

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