a. Optional Height 20 to 120m. b. Design Standards China National Standard í¦GBí¦ (Equivalent with BS, ASTM, JIS, EN) c. Material Q235 for Mild Steel, and Q345 for High Tensile Steel d. Connections Bolts are Grade 4.8& 6.8& 8.8. e. Galvanizing All steel members are hot-dip galvanized in accordance with GB2694-2003. f. Optional accessories Working and rest platforms Horizontal cable gantries Antenna mounts Anti climb guard Obstruction light system Lightning protection system Climbing ladder and cable ladder
