Details: supplying and fixing of missing tower members consisting of galvanised structural steel work in riveted, bolted or welded build up sections, trusses and framed work, including cutting to size with steel sections consisting of angles, flats, plates and tubes fabricated as per approved drawing. the galvanizing shall be as per is: 4759 with average mass of zinc coating of 610 gm/sqm (approximately 85 micron). the steel sections shall be of ms grade 'a' as per is: 2062. cost of galvanization is inclusive. the payment shall be made as per the standard structural steel tables for the bare steel sectional weights. all complete as directed by the engineer-in-charge supplying and fixing of galvanised nuts and bolts of approved brand and manufactirter with standard plain and spring washers conforming to bis specifications of various sizes as required at site for of steel communications tower. tightening of bolts and nuts for the entire ground based tower and other ancillary parts like gantry,
Sector: Telecommunication