bids are invited for fabrication and erection of isa, ismc, ismb or any other cross section of ms e250 grade a of is 2062-2011 , fabrication and erection of stainless steel sections including cutting, welding by gtaw process, drilling, handling, shifting of material as per working documentation and site requirement , erection of stands or local control panel or consoles or fabricated supports either by welding to eps or by anchoring wall or floor concrete or bolting to supports , manual welding on carbon steel and stainless steel equipment and components using gtaw process. , manual welding on carbon steel and stainless steel equipment and components using smaw process. this include similar and dissimilar welding of fillet joint configuration of various weld size. , erection and dismantling of scaffolding-erection of scaffolding using standard ms pipes cross support , core cutting of holes upto dia 200 mm of various depths in reinforced concrete walls or slabs , core cutting of holes above dia 200 mm of various depths in reinforced concrete walls or slabs , drilling of holes upto dia 200 mm of various depths in concrete block walls or brick , drilling of holes above dia 200 mm of various depths in concrete block walls or brick , items of dia upto 40 mm , items of dia above 40 mm upto 60 mm , field survey transferring and marking the grid location in x,y and z axis using total station in main plant building as and when required. total quantity : 56430