NCTPS I SE MI circle AMC 24 25 MPM Dn AC System Preventive and breakdown maintenance of screw chiller assembly

Amount

Break down maintenance of screw chiller assembly Charges for attending faults in the control panel like feedback cable, protection switches like oil level switch, water flow switch, evaporator pressure feedback cable, discharges pressure feedback cable etc including cost of consumables and T&P’s.

Break down maintenance of screw chiller assembly Charges for cleaning of evaporator tube by removal of inlet / outlet pipe lines, end cover of evaporator shell, cleaning the dirty particles, cleaning the tube internals by nylon wire brush fitted with high pressure water collection of sediments reassembling of evaporator end covers and leak checking of end covers, pipes in PHB& service building including cost of consumables and T&Ps.

Break down maintenance of screw chiller assembly Dismantling the suction and discharge refrigerant pipe line from the compressor assembly, providing dummy in the lines, disconnect the power cable from the motor, move the control cables, etc., and lower the assembly from the bed, transport the assembly to private workshop outside the campus including cost of consumables and T&Ps.

Break down maintenance of screw chiller assembly Charges for making preliminary arrangements for de-scaling A.C Condenser of Screw chiller plant by connecting circulating pump with condenser, dosing chemical, circulating chemical, then dismantling the pump etc including cost of consumables and T&Ps.

Break down maintenance of screw chiller assembly Charges for dismantling & assembling of both the end cover of the condenser including cutting, renewal new rubber gasket for both end cover, commissioning of condenser including cost of consumables and T&Ps.

Break down maintenance of screw chiller assembly Charges for brush cleaning of all tubes one by one & water washing including cost of consumables and T&Ps.

SREE RAGAVENDRA INDUSTRIAL ENGINEERS