Upgrade of the existing signal system on CTA's Brown Line between Armitage and Merchandise Mart. In addition to the signal system, the project will also feature civil/structural, mechanical and communications aspects.
Scope includes installation of a Next Generation Distributed Antenna System (NG-DAS) which replaces the existing system and will give Chicago the largest U.S. public transit system with 4G coverage in all subway stations and tunnels.
Scope includes construction of brand new passenger terminals on the north and south side of 95th St. as well as track replacement, installation of 96th St. crossover and relay house, and other upgrades in the yard.
CTA’s Job Order Contracting (JOC) Program allowed three pre-qualified General Contractors to compete over various mid-sized construction projects. Work Orders of varying sizes and scopes are performed from station and building repairs to system improvements such as track work.
Work performed included new main entrance canopies, stairway repairs, new floor and wall finishes, painting and cleaning of all stairways, mezzanines, and platform areas, and updated system signage throughout the station and entrances.
Project scope included construction of a brand new station along with the removal, realignment and reconstruction of the elevated 4 track structure, tracks, traction power system, and signal system from north of Montrose Ave. to the abutment north of Leland Ave.
The Project consisted of full depth reconstruction of the Red Line Dan Ryan Branch. Work was performed during an unprecedented 154 day extended line cut and included trackwork, drainage system, signal and traction power.
The Project consisted of Design and Construction Services with a Guaranteed Maximum Price by a Design / Build Contractor for the rehabilitation of 7 stations on CTA’s North Red Main Line.