188. Istanbul-wide Road, Tunnel and Bridge Interchange Completion Construction, D100 Highway Bostancı Underpass and Connection Roads Construction Work ,Survey Project Engineering Works

- Preparation of 7 Horizontal drill shafts Project preparation
- Preparation of Retaining Wall projects (2000 m2)

İstanbul Üstyapı Construction Co.Inc-İspa Construction Co.Inc Partnership

Project Year: