tender for providing walkways above griders in hull shop; 1 supply, fabrication & erection of structural steel works after straightening, cutting & welding using welding rod, erecting in position in line and level by welding including cost and conveyance of all materials, electrodes, all labours, other incidentals, mechanical buffing, apply a priming coat of zinc chromite primer (confirming to is 104) before fabrication, cost of fixing and removing of temporary lifeline, hire charges for tools and plants, all leads & lift etc. complete 2 supply, fabrication & erection of chequered plate (6mm thick) works after straightening, cutting, erecting in position in line and level by welding including cost and coveyance of all materials, electrodes, all labours, other incidentals, mechanical buffing, apply a priming coat of coaltar primer before fabrication, cost of fixing and removing of temporary lifeline, hire charges for tools and plants, all leads & liftetc. complete 3 fabrication & erection ofdepartmental supplied chequered plate (6mm thick) works after straightening, cutting, erecting in position in line and level by welding including cost and coveyance of all materials, electrodes, all labours, other incidentals,mechanical buffing, apply a priming coat of coaltar primer before fabrication, cost of fixing and removing of temporary lifeline, hire charges for tools and plants, all leads & liftetc. complete 4 supply, fabrication & erection of medium class b ms pipes (32mm dia to 50mm dia - confirming to is 1239) including cutting, bending, welding, erecting in position, cost and coveyance of all materials, electrodes, all labours, other incidentals, mechanical buffing, apply a priming coat of zinc chromite primer (confirming to is 104) before fabrication, cost of fixing and removing of temporary lifeline, hire charges for tools and plants, all leads & liftetc. complete. 5 painting with two coat coaltar epoxy paint over one coat coaltar primer after rubbing and cleaning the surface, including cost and conveyance of all materials, labours, other incidentals, etc. complete.painting except final coat to be carried out before erection. 6 painting with two coat aluminium paint (confirming to is 2339) over one coat zinc chromate primer (confirming to is 104) of prefered brand, after rubbing and cleaning the surface, including cost and conveyance of all materials, labours, other incidentals, etc. complete.painting except final coat to be carried out before erection. 7 painting with two coat synthetic enamel paint over one coat zinc chromate primer of prefered brand, afterrubbing and cleaning the surface,including cost and conveyance of all materials, labour, other incidentals, etc. complete.painting except final coat to be carried out before erection.