tender for structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. , providing and providing and fixing 0.60mm thick prepainted steel sheet in roofing with hot dipped metallic zinc coated sheet with top coat of regular modified polyster (rnp) organic coating of 20 microns over 5 microns primer coating to back coat of polyster of 5 microns over 5 microns primer coating i/c fixing with prepainted iron j or l hooks, bolts and nuts 6mm dia metre with prepainted limpet and rubber washers complete with all accesoriees as required as per the direction of engineer-in-charge. sfixing 0.60mm thick prepainted steel sheet in roofing , providing and fixing ridges or hips 60 cm overall with 0.60mm thick prepainted steel sheets in roofing with hot dipped metalic zinc coated sheets with top coat of regular modified polyster organic coating of 20 microns over 5 microns primer coating + back coat of polyster of 5 microns over 5 microns primer coating i/c fixing with prepainted iron j or l hooks, bolts & nuts 6mm dia & prepainted g.i. limpet and bitumen washers complete with all accessories as required as per the direction of engineer in charges , providing and fixing 15 cm. wide 45 cm. overall semicircular plain g.i. sheetgutter with iron brackets 40x3mm size bolts and nuts and washers etc. including making necessary conections with rain water pipe complete as per design. (a) 0.63mm thick sheet , providing and fixing m.s. bp sheet 1.66mm to 2mm thick in eaves board/facia/soffits/ceiling including cutting, fixing and welding to steel roof members and applying a coat of red lead primer complete as per the instruction of engineer-in-charge (base members of steel work shall be measured & paid separtely , providing & fixing glass panes with putty and glazing clips in steel doors, windows, clerestory windows, all complete with :4.0 mm thi