公告概况

SUPPLY AND INSTALLATION OF ONE 900 mm DIAMETER BY 29 m LENGTH, ONE 900 mm DIAMETER BY 22 m LENGTH, ONE 1 350 mm DIAMETER BY 42 m LENGTH, AND ONE 750 mm DIAMETER BY 18 m LENGTH SMOOTH WALL STEEL PIPE CULVERTS by the boring method at one location on Highway No. 5 and three locations on Highway No. 20;