GI PIPE POLES & BRACKETS: GI PIPE BRACKETS FOR 3 STEPPED STEEL TUBULAR POLES: SINGLE ARM BRACKETS: Supply and erection of G.I. pipe 50mm dia. (medium) Single arm bracket 2.5 metre long each arm welded with MS canopy 80mm inner dia., outer dia 89.5mm (medium), 450mm long suitable for 3 stepped steel tubular swaged and welded pole with top outer section dia. 76.1mm. The MS canopy should have 3no. holes for fixing the bracket at the top end of the pole with the help of 3nos. ½”x1½” size nut bolt of full thread. The bracket should have MS round sheet 3mm thick 90mm dia. welded with MS ring of 90mm dia and 50mm long, 1.62mm thick for covering the top end of the canopy. The MS canopy and GI bracket should be welded at tentative angel 105º (105 degree) inclination with MS sheet 5mm thick triangular in shape having dimensions 375mm x 150mm x 5mm thick with two coats of an approved aluminium paint as desired by Engineer-in-charge at site.