Package 01.Hb.26: Construction Of Items Repairing And Treating Flooded Column Foundations At Location 110, Line 232, 252 Hoa Binh (A100) - 276 West Hanoi (T500Thn); Repair And Treatment Of Flooded Column Foundations At Location 111, Line 240, 260 Hoa Binh (A100) - 277 West Hanoi (T500Thn)