tender for procurement of hardware items for day to day maintenance of various tube wells installation in ward no.187, 188 and 189 under okhla constituency ac-54. , supply of tail piece of the medium class gi pipe 500 mm long with one end threaded as per outlet of pump & another end flanged of size (120 mm dia.) of gi pipe. make of pipe: - tata / jindal 80mm dia. , 50mm dia. , 40mm dia. , supply of ms clamp of 600 mm length duly fabricated form 12.5 mm thick 75 mm wide m.s. plate for holding the g.i pipe of sizes: 50mm dia. , 40mm dia. , fabrication and supply of g.i. 90° bend having flange at both ends (heavy duty). of following sizes: 50mm dia. , 40mm dia. , fabrication and supply of bore cover approx size lx1 made out from 6mm thick m.s. sheet in 2 halves & a circular hole in centre 3-1/2 dia. with locking arrangement by nuts & bolt.