bids are invited for custom bid for services - 1 supply and safe delivery of steel angle isa 25mm x 25mm x 3mm conforming to is 2062 as per scope of work quantity 470 unit kgs , custom bid for services - 2 supply and safe delivery of cs plate of 5 mm thickness with a standard with of one and a half metre and 3 m length conforming to is 2062 as per scope of work quantity 175 unit kgs , custom bid for services - 3 supply and safe delivery of cs plate of 3mm thickness with a standard with of 1 point 2 m and 2 point 5 m length conforming to is 2062 as per scope of work quantity 840 unit kgs , custom bid for services - 4 supply and safe delivery of ss wire mesh having square mesh size of 30mm made with a 1 to 2mm dia wire of ss 304 as per scope of work quantity 132 unit m2 , custom bid for services - 5 supply and safe delivery of gi hex full thread bolts of size m12x50 with nut and 2 plain washers of 8 point 8 grade as per scope of work quantity 900 unit set , custom bid for services - 6 supply and safe delivery of epoxy primer inorganic silicate based zinc primer complying with astm d 520 type2 as per scope of work quantity 123 unit litre , custom bid for services - 7 supply and safe delivery of top coat epoxy pain as per scope of work quantity 105 unit litre , custom bid for services - 8 removal of roof extractor which involves unbolting cutting handling and maneuvering and dismantling of fan as per scope of work quantity 18 unit nos , custom bid for services - 9 refurbishment of tb roof extractor fans which involves cutting and removal of corroded structures approx 100kg per fan and fabrication of angles and plates quantity 18 unit nos , custom bid for services - 10 painting of tb roof extractor fans dft of 75 microns for primer dft of 75 microns for top coat epoxy paint so as to achieve a total dft of 150 microns as per scope of work quantity 489 unit m2 , custom bid for services - 11 installation of roof extractor which involves assembly of fan maneuvering handling and bolting at location as per scope of work quantity 18 unit nos , custom bid for services - 12 fabrication modification and erection of supports which involves unbolting removal shifting cutting drilling grinding welding repair fabrication erection bolting painting installation etc as per scope of work quantit.... total quantity :