bids are invited for provision of air conditioners water coolers and other electrical equipment -supply of 2 tr floor standing type tower airconditioner , supply of 2 tr inverter technology based split type indoor wall mounted type airconditioners , supply of 1.5 tr inverter technology based split type indoor wall mounted type airconditioners , supply of water cooler , supply of water purifier , installation, testing and commissioning of 2.0 tr inverter technology based floor mounted tower airconditioner , installation, testing and commissioning , installation, testing and commissioning of water coolers , installation, testing and commissioning of water purifiers , supply, laying of refregerent copper piping , supply, laying of suitable size 3 core or 4 core copper conductor cable , supply, laying of pvc pipe , supply of 80 mm manual balancing valve , supply of motorized butterfly valve of dia 150 , supply of 50mm butterfly valve, manual hand lever operated , supply of 65 mm butterfly valve, manual hand lever operated , supply of 80 mm butterfly valve, manual hand lever operated , supply of 100 mm butterfly valve, manual hand lever operated total quantity : 175