Brief Description and Objectives of the Project

Execution of the Completion Operations for Stations and Ventilation Shafts of the Inter-tunnel and Ancillary Facilities of Line 4 of Tehran Metro at 15 Points Along the Route (Between Aram Sabz Station and Air Force Station), Including
Complete construction of access galleries, air supply galleries, and inter-tunnel ventilation shafts, including tunnel excavation, shaft construction, execution of retaining structures, and lining and main structures.
Construction of supplementary accesses for stations, ticket hall, air handling floor, train platform, elevator shaft, etc. Execution of finishing works for all constructed areas.
Implementation of electrical, mechanical, and fire protection systems