A total of 28,815,414 line meters of underground and water channel reinforced concrete productions, S5 pump pit reinforced concrete productions, 2,787,00 meters of submerged tube derailment formwork assembly and anchorage installation, chemical anchorage and graut application under DFF300 fasteners, Cross Passage Gates reinforced concrete production 64 units. (Yapıray Railway Construction Systems Industry and Trade Inc.)
CP wall Construction (Taisei Corporation)
