Implementing operations in Tohid Metro Station (E4) , and the 1280 m. tunnel of Line 4:

1. Structure and guard structure of the station

2. Station's architecture

3. Station's electrical and mechanical installations

4. Tunnel ventilator (E4-D4)

5. 1280 m. Tunnel

Tohid Station has an area of 11550 square meters and includes the following items

Ticket Hall: 5950 square meters, platform level: 440 square meters, below platform level

1200 square meters, a unit of tunnels: 1280 meters

Major operation activities are :