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 9 metre, with planting depth 1.5 metre, length of sections 5 metre, 2 metre and 2metre (Bottom, Middle and Top respectively), Outer dia and thickness of sections 114.3mm x 5.4mm, 88.9mm x 4.85mm and 76.1mm x 3.25mm (Bottom, Middle and Top respectively) with approximate weight 108 kg. (410 SP-27)