bids are invited for supply, installation, testing & commissioning of 4 sets of water cooled packaged airconditioning plants of capacity 16 point 5 or 17 tr - supply of 4 sets of water cooled packaged air conditioning plants of capacity 16.5 or 17 tons of each , modification in existing plenum chamber , minor modification and repair of return air chambers and false ceiling , electrical work , dismantling of old ac plant , civil works - provision of foundation blocks and vibration isolation , civil works - provision of false ceiling , civil works - provision of fresh air window and stale air opening. , civil works - provision of heat insulation and under deck insulation , civil works - provision of platform for cooling tower , miscellaneous civil works , provision of heavy duty flooring , erection, commissioning and testing of the plant at site , provision of indicators for filter clogging and condenser clogging , supply of accessories total quantity : 46