bids are invited for hvac plant operation of water cooled centralised ac plant of 3x330 tr. for first year , operation of water cooled centralised ac plant of 3x330. for second year , cmc for complete hvac system. for first year , cmc for complete hvac system. for second year , painting of hvac system for first year , painting of hvac system. for second year , repairing damaged insulation of exposed ac ducts. , supply and installation of gi wire , supply and installation of ducts , sitc of gi adjustable damper , supplying and fixing of exhaust air grills , sitc of site fabricated gss sheet 0.6mm thickness , sitc of site fabricated gss sheet 0.8mm thickness , painting of ms pipes, structures, equipments etc. epoxy paint , painting of ms pipes, structures, equipments etc. primer coat , finishing walls with water proofing cement paint of required shade , sitc of new pvc fills , casting cement foundation arrangements , sitc of condenser water pump of capacity - 30 kw , supply and replacement of butterfly valves 300mm dia , supply and replacement of butterfly valves 250mm dia , supply and replacement of butterfly valves 200mm dia , supply and replacement of butterfly valves 125mm dia , supply and replacement of butterfly valves 100mm dia , supply and replacement of butterfly valves 80mm dia , supply and replacement of butterfly valves 65mm dia , supply and replacement of butterfly valves 40mm dia , supply and replacement of butterfly valves 32mm dia , supply of 3c 70 sq.mm. cu. ar , spray painting of electrical panels , supplying and providing m.s supports for duct etc. , sitc of condenser water pipes a. 300 mm , sitc of condenser water pipes b. 250 mm , sitc of condenser water pipes c. 100 mm 1 32 , ductable air conditioner total quantity : 994