Residents may not block or leave anything in or on fire escapes, sidewalks, entrances, driveways, elevators, stairways or halls. Public access ways may be used only for entering and leaving the unit and building. Baby carriages, bicycles or other property may not be left in halls, passageways, public areas or courts of the building, and air conditioners may not be installed in any windows that face a fire escape. For more information on AC installation, please review Air Conditioners.