The CBTC System Overlay of the Culver Line project includes the signal modernization of interlockings and complete CBTC Signal Overlay on the Culver Line between West 8^th Street and Church Avenue in Brooklyn. Also included is the construction of a new relay room, CBTC and other equipment rooms, and rehabilitation of existing facility rooms. Five Star Electric will furnish and install electric power, low voltage systems, signals, CBTC, power, communications, new heating, lighting, ventilation, air conditioning, fire suppression, and uninterruptible power supply (UPS), as well as equipping the relay room, support rooms and dispatcher's office.