190. Istanbul-wide Road, Tunnel and Bridge Interchange Completion Construction, TEM-D100 Connection Road Kavakpınar Interchange Completion Construction Work ,Survey Project Engineering Works

- Preparation of Pile Retaining Wall projects (200 m2)
-Preparation of 3 closure structure and culvert projects

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

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