Annual Maintenance Contract of the Precision AC units for cooling of VFD system of KDPL and KRPL at WRPL, Koyali

Amount

A. Works to be carried out under Perventive Maintenance Visit

"Bi-monthly (Once in two months) preventive maintenance of the Precision Air conditioning units of Tata Liebert make PEX 125 FA 100 (Sr No: 95340125134, 95340125135, 95340125136, 95340125137, 95340125138) installed at WRPL, Koyali station, which include the following works: Cleaning up of unit & Air filter. Cleaning of cooling coil & condenser coil (if required with water), cleaning of Humidifier bottle & electrodes. Cleaning of water supply strainer and drain inside the machine. Checking of drive belt and replace as per the instruction of E-I-C& replace if necessary. Lubrication of bearings as per the instruction of E-I-C or if necessary, Checking up of operation of Unit, controller and condenser and taking corrective action as per the instruction of E-I-C or if necessary, Combing of Fins of condenser & evaporator coil, as per the instruction of E-I-C or if necessary Measurement of current of each individual equipment as per the instruction of E-I-C and taking corrective action if applicable, Checking & rectification of the overload relay settings as per the instruction of E-I-C, Checking of all electrical components for loose connections as per the instruction of E-I-C and tightening if necessary, Checking of refrigeration piping for any gas leakage as per the instruction of E-I-C and rectification, if necessary, Checking of refrigeration system & pressure readings as per the instruction of E-I-C and taking corrective action, if applicable, Checking & rectification ( if applicable) of pulleys, motor mounts, condenser fan mounts etc as per the instruction of E-I-C, Checking & rectification ( if applicable) of panel insulation as per the instruction of E-I-C, Checking & rectification ( if applicable) of temperature readings as per the instruction of E-I-C, Checking & rectification ( if applicable) of microprocessor controllers for operation as per the instruction of E-I-C. The above jobs shall be including cost of transportation of materials, consumables (refrigerant gas, compressor oil etc.,) & spare parts (excluding the cost of spares specifically mentioned in the SCC), as may be deemed necessary."

B. Works not covered under Perventive Maintenance Visit

Supply and replacement of Fan Belt

Supply and replacement of Humidifier Electrodes

Supply and replacement of Refrigerant Gas

Supply and replacement of Air Filters

Supply and replacement of Condenser

Supply and replacement of Cooling Coils