Conceptual Model for Project elevator system Intends to build a two-floor office building and equip it with an elevator. The elevator system consists of an elevator shaft and an elevator car. The model for people riding the elevator car to travel between the floors in the elevator shaft. The elevator contains a door (called the elevator door) that opens upon the elevator arrival at a floor and closes upon the elevator departure from that floor. The elevator door is closed during the trips between floors to prevent the passenger. The elevator shaft connects to a door on each floor that close. The elevator starts on the first floor with all doors closed. To conserve energy. When people press the button and the elevator door does not open, it is busy