VGTPS-Phase-II-Periodical, Routine and Breakdown Maintenance of 2X60TR Centralized AC Unit

Amount

PERIODICAL AND REGULAR MAINTENANCE

Charges for Periodical inspection of 60 TR centralized AC system for any abnormal noise, leak in 60TR centralized AC units of MCRincluding attending minor defects as per the direction of Engineer in-charge.

Charges for Periodical inspection of 60 TR centralized AC system for checking and cleaning of AC Plant inlet/outlet ducts and checking of damper operation etc., as per the direction of Engineerin-Charge.

Charges for Periodical inspection of AHU in 60 TR centralized AC system for removing 2sets of evaporator Air intake filters for cleaning with air and water, re fixing evaporator air intake places etc., as per the direction of Engineerin-Charge.

Charges for Periodical inspection of Air handling system in 60 TR centralized AC unit for cleaning evaporator coil fins with water & air as per the direction of Engineerin-Charge.

Charges for Periodical inspection of Condensing unit of 60TR capacity AC Compressor in Centralized AC system for inspection safety relief valve, internal cleaning by using of HCL Acid / water, etc., as per the direction Engineer in-charge.

Charges for Periodical inspection of AHU blowers for replacement of worn out parts if any, assembling of the blowers, alignment of the blower with motor etc., as per the direction of Engineerin-Charge.

Charges for Periodical inspection of 60 TR centralized AC system, if any defects/leakages noticed in drain line to be attended and cleaned as per the direction of Engineerin-charge.

Charges for Periodical inspection of AHU in 60 TR centralized AC system for adjustment of belt tension/replacement of belts if necessary (belts will be supplied by the TANGEDCO) as per the direction of Engineerin-charge.

Charges for Periodical inspection of AHU of 60 TR centralized AC unit, for assessment of internals of gas expansion valve, rectification of fault/replacement by new gas expansion valve supplied by the TANGEDCO as per the direction of Engineerin-charge.

Charges for Periodical inspection of ACW cooling water pumps in 60TR centralized AC system to observe any gland leaks, lubrication, top up of oil, attending any minor defects etc., as per the direction of Engineerin-charge.

Charges for Periodical inspection of Cooling Tower in ACW system, Inspection and Cleaning the internal parts like fills, blades,float as per the direction Engineer in-charge.

Charges for Periodical inspection of Cooling Tower in ACW system, Inspection and Replacement defective valves as per the direction Engineer in-charge.

Charges for Periodical inspection of Cooling Tower in ACW system, Inspection and cleaning the NRV's and strainers, keeping the area neat and tidy,etc., as per the direction of Engineerin-charge.

Charges for Periodical inspection of split AC / Tower AC units, for leak testing using N2 gas and refilling of R22 gas (N2 & R22 gasses will be supplied by the TANGEDCO) as per the direction of Engineerin-Charge.

Charges for Periodical inspection of split AC / Tower Ac units, for removal of air filters, inspection and cleaning of air filter elements as per the direction of Engineerin-Charge.

Charges for Periodical inspection of split AC / Tower AC units, for opening of external covers of condenser and evaporator, inspection of condenser coils and thorough cleaning etc., as per the direction of Engineerin-Charge.

Charges for Periodical inspection of Split AC / Tower AC units, for replacing defective sealed compressor by new one, refilling of R22 gas, leak testing by N2 gas and refilling of R22 Gas as per the direction of Engineer-in- Charge.(R22 & N2 Gas will be supplied by the TANGEDCO).

Labour charges for welding joint of 100 NB & 80 NB MS/CS pipe lines in ACW system etc.,as per the direction of Engineerin-charge.

Labour charges for welding joint of 50 & 25 NB MS/CS pipe lines in ACW system etc., as per the direction of Engineerin-charge.

Charges for Periodical inspection of cleaning of air filters / fresh air supply grills in ventilation units of cable spreader room, etc., as per the direction of Engineerin-Charge.

Charges for Periodical inspection of ventilation blower of cable spreader room for attending minor defects and adjustment of belt tension / replacement of belts in the Blower, replacement of worn out parts, assembling of the blowers alignment of the blower with motor, greasing and normalizing etc.,as per the direction of Engineerin-charge.

BREAKDOWN MAINTENANCE

Charges for complete overhauling of 60TR capacity Reciprocating AC compressor. Disassembly the Compressors into its components, thorough cleaning of parts, replace the worn out parts, drain the old oil and top up the new oil, reassemble the compressor and carryout N2 pressure test to the required pressure and vacuum testing and R22 gas charging, testing and normalizing as per the direction Engineer In charge. (The required spares, lube oil, N2 and R22 gas will be supplied by TANGEDCO).

Charges for breakdown work in 60TR capacity AC Compressor unit including decoupling the motor by releasing the coupling, dismantling the external covers of compressor unit, inspection of compressor internals for any damages, replacement of suction/discharge reeds, if necessary, attending minor rectification works and refilling of R22 gas, motor to compressor alignment checking as per the direction of Engineer in-charge. (The required spares, lube oil, N2 and R22 gas will be supplied by TANGEDCO).

Charges for complete overhauling of 60TR capacity AC Compressor condensing unit Checking the complete unit with 1.25 times of the operating pressure with N2, attending any leak if leak is there as per the direction Engineer in-charge.

Charges for disassembly of cooling water pump for ACW system Inspection of internal parts, cleaning, rectification /renewal of parts, re-assembly (gaskets, spares will be supplied by the TANGEDCO) normalizing as per the direction of Engineer in - charge.

Charges for overhauling of Cooling Tower in the ACW system Cleaning, inspection and changing the defective parts such as Fills, Floats, Blades, Fan etc., as per the direction Engineer in-charge. (which will be supplied by the TANGEDCO).

Charges for breakdown work in Air Handling unit of MCR including dismantling of external covers of AHU, removal of Air Filters, inspection/replacement of Gas Expansion Valve, visual inspection for any damages in evaporator coil, leak testing with N2 Gas, attending leak if any by brazing, thorough cleaning of evaporator coil with air & water, Refilling of R22 gas, testing and normalizing as per the direction of Engineer in-charge. (N2 and R22 gas will be supplied by Board).

Charges for Disassembly of Tyre Coupling of 60 TR AC Compressor in centralized system Inspection of all parts, cleaning, rectification / renewal of parts, re-assembly (Coupling Tyre, spares will be supplied by the TANGEDCO) alignment checking with motor and normalizing as per the direction of Engineer in - charge.

Charges for overhauling the Ventilation Damper, checking the damper open/ close position and its blades / replacing the wornout parts / blades, inspecting the Ducts / replacing the corroded portion of the ducts for the Cable gallery Room,etc., as per the direction Engineerin-charge. The required spares will be supplied by the TANAGEDCO.

Charges for breakdown work in Ventilation system Blowers by removing the belt, pulley & bearings for any damages, replacement of pulley/bearings, if necessary, cleaning the blower (or) decoupling & coupling of motor, alignment checking, assembling & normalizing as per the direction of Engineer in- charge

Malavika Enterprises