Machinery System < System Information < Operation System

Machinery System

Machinery System

Machinery System consists of HVAC/ventilation, sanitary water supply/drainage, fire safety, transport, and platform screen door (PSD) facilities. Seoul Metro Line 9 Machinery System not only improves efficiency by enabling automated control of each facility, but adopted smoke and signal control to complete an advanced facility operation system.

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Characteristics

Machinery System Characteristics - Type, Description
Type	Description
Fire Safety	Installed for alarms, extinguishing, evacuation, and control in case of a fire in station or tunnel. Classified into facilities needed for early fire extinguishing, evacuation alarms, and other measures.
Transport	Elevators, escalators, and moving walkways for the convenience of passengers. Operated only when passengers are on to save energy and ensure safety.
Automated Machinery Control	A centralized system that operates for 24 hours. Creates safe, convenient, and pleasant subway environments by saving labor, cost, and operating facilities reasonably and efficiently.
Platform Screen Doors	Screen doors separate platforms from tracks and interlock with the doors of trains to open and close. Not only protects safety of passengers, but also blocks spewing air from trains and improves efficiency of HVAC.
Pumps	Discharge pumps to discharge groundwater and wastewater. Water supply pumps to supply water to stations. Fire hydrant pumps to extinguish fire. Sewer pumps for water treatment tanks. Various circulation pumps for coolers/heaters.
Ventilation and air-conditioning/heating facilities	Maintaining the optimal level of temperature, humidity, airflow, ventilation, and cleanness at the station