tender for competitive e-bidding for fabrication and erection work of boiler tubes for season 2025-26 - fabrication and erection work of boiler tubes for season 2025-26 2 wil make 20tph boiler no.1: replacement of economiser coil( fins type gilled type), size: 101.6mmx4.06mm(16 no.) 3 wil make 20 tph boiler no.1: replacement of screen tubes, size: 70mmx 4.06 mm (51 no) 4 wilmake 20 tph boiler no.2: replacement of roof tube, size: 70mmx 4.06 mm ( 26no) 5 wil make 20 tph boiler no.2: replacement of super heater coil, size: 44.45mmx 4.06 mm ( 25no) 6 krupp make 30tph boiler no.3: replacement of roof tubes, size: 70mmx 4.06 mm ( 37no) 7 dismantling/ fabrication & erection of steam line (4 ) according to ibr norms. 8 dismantling/ fabrication & erection of bend of steam line (4 ) according to ibr norms. 9 dismantling/ fitting of flange (4) of steam line as per ibr norms. 10 dismantling/ fabrication & erection of steam line (6 ) according to ibr norms. 11 dismantling/ fabrication & erection of bend of steam line (6) according to ibr norms. 12 dismantling/ fitting of flange (6) of steam line as per ibr norms.