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., Heat insulation and under deck insulation, 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