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TRUONG VINH TUNNEL PROJECT
| Contractor | Joint venture of Son Hai Group Co., ltd – Deo Ca Group JSC |
| Project position | Passing through Mong Ga mountain from Truong Lam Ward, Tinh Gia District, Thanh Hoa Province to Quynh Vinh Ward, Hoang Mai town, Nghe An province |
| Total area | 300m |
| Total investment | VND4.7 trillion ($193 million) |
| Investor | Project Management Board 6 |
| Main Contractor | Son Hai Group Co., ltd |
| Vinh Hung’s products supplied to project | Provide and construct waterproofing protection layer of tunnel |
Description project
Truong Vinh tunnel which is a component project of the North – South expression belongs to Nghi Son – Dien Chau section with a total length of 450m and is one of important items of the expressway due to its position in boundary of Thanh Hoa and Nghe An province.
The tunnel is designed with 2 pipes, each one has 3 lanes which has designed speed of 80km/hour (100km/hour in completion period), and tunnel width of 12.5m.
