tender for invitation of annual rate contract (arc) for supply of gi pipe, gate valve, gp joint and other water supply materials , invitation of annual rate contract (arc) for supply of gi pipe, gate valve, gi joint and other water supply materials , supply of g.i. pipe, 2 nb, medium class (class-b), hot dip galvanized, is 1239 (part-1), 6.0 meter length with one heavy duty g.i. long socke , supply of g.i. pipe, 1½ nb, medium class (class-b), hot dip galvanized, is 1239 (part-1), 6.0 meter length with one heavy duty g.i. long socket , supply of gate valve, 2 (50 mm), cast iron body, non-rising spindle, flanged end, pn-16, is 14846. , supply of gate valve, 1½ (40 mm), cast iron body, non-rising spindle, flanged end, pn-16, is 14846 , supply of gpjoint coupling), 2 nb, heavy duty, hot dip galvanized, is 1879.