Signal System Modernization Lexington and 5th Avenue
- Project Value: $105,491,000
- Start Date: 11/1/12
- End Date: 6/30/14
The work performed consisted of the total signal system rehabilitation, track reconstruction and construction of signal room enclosures for the Queens Boulevard Line, between North of Lexington Avenue and South of 5th Avenue Stations of the New York City Transit System in the Borough of Manhattan. The Queens Boulevard line spans the area between 50th Street and Eighth Avenue in Manhattan and it continues into Queens to two terminal stations, one at 179th Street and the other at Jamaica Center. TC Electric modernized the Lexington Avenue and 5th Avenue interlockings with new modern relay-based controls. In addition, two Relay Rooms and support equipment rooms to house all equipment for these new interlockings were built.
TC Electric replaced the existing signal system with a new 60 Hz signal system for the Queens Boulevard Line, between North of Lexington Avenue and South of 5th Avenue Stations. To summarize the work, TC Electric installed over 250,000 feet of signal electrical cable, 90 track cases, 50 train stops and 54 new signals.
In addition to the signal work, TC Electric installed positive and negative traction power jumpers and transpositions, negative equalizers and all rail bonding.
The communication work consisted of installing a new system between the 5th Avenue/Lexington Avenue Relay Rooms, 5th Avenue Tower and Queensboro Plaza Master Tower.