tender for design, manufacturing and supply of different size of fabricated expanded metal screens (ss) for implementing erosion control scheme along with cavt (cold air velocity test) for unit 1 and 2, (2x600) mw boiler katpp, jhalawar design, manufacturing and supply of different size of fabricated expanded metal screens (ss) for implementing erosion control scheme along with cavt (cold air velocity test) , part-a services for carrying out cavt test , carrying out pre cold air velocity test in second pass of boiler(pre-installation cavt) , carrying out post cold air velocity test in second pass of boiler(post-installation cavt) , installation & erection of different types of screen materials as per supply by item no. b , part-b design, manufacturing and supply of fabricated expanded metal screens & fixing kits , expanded metal screens, moc-ss-309 , expanded metal screens, moc-ss-304 , expanded metal screens, moc-aisi-400 , fixing kits for horizontal & vertical screen