The scope of work consists of replacing the electrical, electronics, and civil infrastructure in PATH's under-river Tunnels E & F between Exchange Place and the World Trade Center. This infrastructure was damaged as a result of Hurricane Sandy. The Work will include removal and replacement of the electrical, signal and communication infrastructure systems that consist of high voltage feeders (15kV AC, 27kV AC) and intertripping cables, traction power feeders (650V DC) and negative return cables, impedance bonds, signals, track circuit breakers and disconnect switches, low voltage electrical (277V/480V), lighting fixtures, radio, cable and fiber optic communication systems and corrosion control system, running, rail, contact rail, rail clips, base plates, pads and anchor bolts, brackets and insulators, cover board and guardrail system