3-STEPPED STEEL TUBULAR POLE: Supply and erection of 3-Stepped steel tubular swaged and welded pole of suitable length conforming to I.S. 2713-1969 (Part I to III)/1980 and I.S 1161-1979 (UTS 42 kgf/mm sq.) to fixed up to a required planting depth below ground level in a RCC readymade muff of suitable length and dia. as described under the required sub-head here under. The gap between the pole and muff is to be filled with 1:2:4 cement concrete as required at site:- Overall length 8.5 metre, with planting depth 1.5 metre, length of sections 5 metre,1.75 metre and 1.75 metre (Bottom, Middle and Top respectively), Outer dia and thickness of sections 165.1mm x 4.5mm, 139.7mm x 4.5mm and 114.3mm x 3.65mm (Bottom, Middle and Top respectively) with approximate weight 141 kg. (410 SP-22)