Run through the door and continue running forward. Open the vault door and run ahead. Use the zero-G jump to move out into open space. Run forward and along the path and aim forward to a vault-like opening to advance through. Keep moving ahead in a straight line. You'll come to a door. Turn around to the right and advance through the door to the right of the store. Run down the hallway and keep going until you hit your first left. Continue down the hallway riddled with dessicated corpses. Dispose of the Necromorphs here. Continue down the hallway and run through the door. Take the lift up and take out the Necromorph that pops out of the air vent. Turn around and advance across the bridge. Turn right and run forward, then turn right again and cross the next bridge. Turn to the left and foll