The room is full of power cables and damaged equipment lying around everywhere. At the end of the passageway, a set of double doors leading to the Treatment Room is initially locked and requires a System Disk in order to enter. Once the System Disk is placed into the nearby panel, Jill Valentine will automatically enter the room.
If the player chose to push Nemesis-T Type off the Park bridge, a cutscene between Jill and Nikolai will play here. Nikolai will confront Jill about this true plans in Raccoon City, but will eventually be pulled through a hole in the roof by Nemesis and impaled by one his tentacles.