 The fan plant, located to the east of the existing line, would facilitate ventilation from the new deep-level station, which would be located below three exiting subway lines (the loop platform, the IRT Lexington Avenue Line's Joralemon Street Tunnel, and the BMT Broadway Line's Montague Street Tunnel).The two new approach tunnels would be single-track tunnels connecting to a cavern where a double crossover switch would be installed.The new station, located at a depth of , would contain a platform, a new mezzanine level, escalators, and an elevator.