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 2nd stage embd parts consisting of sill beam, sill beam & side seal ss seat, 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, bottom & top seal mounting & clamping etc., screw hoisting arrangements consisting of cross beam, base plate, restraining arrangement, chq plate, locking cap etc of total wt around 2306.20kg for 3 nos. of gates (1.37m×1.55m) and 1 no. of gate (1.07m×0.92m) 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. , bought out materials for 3 no