tender for supply of structural steel materials of different section and sizes (is:2062), ss flats of different section and sizes (04 cr 19 ni of is :1570 (part-5), fabrication including machining and assembly of second stage embd parts consisting of sill beam, sill beam ss seat, side seal ss seat, guide side wall plates, u/s & d/s side wall plates, top wall plates, top seal ss seat etc., vertical lift gate consisting of skin plate, horizontal girders, end vertical girders, seal flats, side seal, bottom seal mounting & top seal mounting & clamping etc., screw hoisting arrangements consisting of cross beam, base plate of total wt. around 1842.30kg for 3 nos. of ss gates of size-1.42m x 1.70m as per specification and approved drawings with all accessories including machinery, fixtures, labour, cutting, welding, drilling consumables with lead & lifts all complete as per instruction of engineer-in-charge. , shutter size- (1.42m x 1.70m)- 3 nos. csk and hex bolts, nuts etc.-111kg. ø20 ms a