INFRASTRUCTURE PROJECTS, TYPICAL PROJECTBox Culvert construction – Drainage DA Da Nang Đã đăng trên 07/07/201209/05/2018 bởi admin 07 Th7 Scale works: – Dig ditches, intubation, 10,000 road construction – Supply and installation of cast iron pipes D600 = 281m; D500 = 6.098m – Supply and installation of reinforced concrete pipes D400 = 5.425m – Installation B = 1.2 m box culvert;