RITCO is the biggest engineering company in tunnel and road construction in Korea, and offers high technology systems solutions for road management, air and water analysis, special facilities for fire prevention, and advanced tunnel/road/rail security.
RITCO has 90% of market share for road tunnels from 1km to 5km in length, reflecting its position as the Company with the best-skilled crews and latest technology.
(HEP) Honeycomb Electrostatic Precipitator
RITCO’s HEP removes more than 90% of suspended particles and odour from contaminated air in underground systems such as road tunnels, subway stations, mining plants and similar facilities.
- The unique technology of the honeycomb filter makes it easy to maintain, and dramatically reduces the cost of the air conditioning system.
- The system is easy to install at locations requested by the client.
- Automated system for continuous remote monitoring of driving conditions.

Application for underground ventilation
- A filter installed in the air handling unit at a subway platform waiting room of a main line station.
- Removing 90% of suspended particles from the air.
- Easy to maintain device with self-cleaning feature.

Application for road tunnels ventilation
- Attached direct to Jet Fans installed in road tunnels.
- Purifying contaminated air with 90% efficiency.
- Substantially decreases pollution of surrounding air outside of the road tunnel.
Tunnel Total Monitoring System
Tunnel management system, Automatic ventilation control system, Power control system, Lighting control system.
Road Surface Management System
RWIS (Road Weather Information System), Anti-icing spray system.
Platform Screen Door (PSD)
Installed at subway and Light Rail Transit (LRT) entrances to ensure passenger safety.
Automatic Incident Detection System
This system monitors and helps prevent incident in tunnels with CCTV images.
Automatic Fire Detection System
Minimizing damage by early detection of fire in tunnels.
High-Pressure Water Mist System
Application for the suppression fire and to prevent the spread of fire in tunnels and subways.
Tunnel Measurement System
Measurement of CO and NO concentration, visibility, air velocity and direction.
Road and Rail Tunnel Escaping Door
Protection from heat and smoke for drivers and vehicles in fire and emergency.