bids are invited for customized amc/cmc for pre-owned products - as per bid docuement; as per bid document; comprehensive maintenance contract (cmc); daily; yes - annual comprehensive maintenance and repair of the following rating split acs, cassette type acs including attending preventive & breakdown maintenance by deploying 1 no. ac technician (skilled) in general shift on all days but excluding weekly offs and national holidays, providing necessary spares, consumables, etc., as per special conditions of contract as required. , annual comprehensive maintenance and repair of the following rating water cooler, including attending preventive maintenance activity & breakdown maintenance, etc. as per special conditions of contract as required. , annual comprehensive maintenance and repair of the ro purifier without storage different make, having ro+uv+alkaline filters, capacity 51 lpm, job including attending preventive maintenance activity & breakdown maintenance, etc., as per special conditions of contract as required. , supply and laying of insulated (nitrile rubber with silver foil)refrigerant copper suction and discharge piping including suitable size cabling & insulation complete as required. , supply and laying of pvc piping(25 mm) etc. as required for ac drain piping complete as required. , installation , testing and commissioning of capacity 1.5/2.0 tr all type make high wall split/cassette air conditioner unit including fixing of existing refrigerant pipe with insulation & suitable flexible copper conductor cable between evaporator and condenser units and topping up suitable refrigerant gas etc complete as required .