GALVANIZED STEEL OCTAGONAL POLES FOR WIND VELOCITY OF 160 Km/ HOUR: GALVANIZED OCTAGONAL POLE BRACKETS Supply and erection of double arm bracket 1.5 metre long for 11 to 12 metre long galvanized octagonal pole, the bracket should be fixed on the top of the pole having top outer dia. 70mm (A/F) complete in all respect as approved by the Engineer-in-charge at site.