REPAIR/MAINT OF CENTRAL AC PLANT 3 X 190TR, 3 X 90TR, 2 X 26TR AND 3 X 5TR PACKAGE TYPE AC PLANT UNDER GE SATWARI

Amount

Disconnecting of electric connection of compressor 95 TR from chiller unit of capacity 190 TR by removing & recovery of Refrigerant gas in the cylinder, recovery of compressor oil, unscrewing & taking out of sealed of screw compressor with help of chain pulley block and refixing the same after repair in original position complete all as specified and as directed.

Overhauling of compressor 95 TR capacity by carrying out extensive electrical and mechanical repairs like replacement of all existing bearings, refitting of existing starter into body shell and necessary connection and testing on complition complete all as specified and as directed.

Replacement of unserviceabls internal oil filter suitable for screw compressor of chiller unit 190 TR complete all as specified and as directed.

Replacement of compressor oil approved by OEM suitable for carrier Make compressor complete all as specified and directed.

Repair of chiller/condensor of chiller unit 190 TR make: Carrier Model: 30HXC190A detecting leakage in the system and rectify the leakage in the chiller/condensor of system, flushing the system of any rust and dirt with antirust chemicals, nitrogen pressure testing of chiller & condensor and assembling the system and testing complete all as specified and directed.

Replacement of compressor oil pump suitable for compressor unit 30 HXC190A screw compressor of capacity 95TR and chiller unit of 190TR Make Carrier all as specified and directed.

Replacement of liquid filter/ dryer core suitable for screw compressor of chiller unit 190 TR Make Carrier Model 30HXC190A complete all as specified and directed.

Repair of variable frequency drive suitable for centrifugal pump set of capacity 20 HP, 3 phase, 440 Volt, including replacement of burnt and unservicible spare part replacement necessary electrical connection of make: ABB cat No. ACS-310 or its equivalent in L&T/schnieder complete all as specified and directed.

Reapir of chiller/condensor of chiller unit 26 TR make: Blue star detecting leakage in the system and rectify the leakage in the chiller/condensor of system, flushing the system of any rust and dirt with antirust chemicals, nitrogen pressure testing of chiller & condensor and assembling the system and testing complete all as specified and directed.

Replacement of drier filter suitable for Blue star Make compressor of capacity 26 TR complete all as specified and directed.

Replacement of temperature sensor in 95 TR chillar unit of 190 TR AC Plant complete all as specified and as directed.

Replacement of SCPM card for compressor of cap 95 TR AC Plant complete all as specified and as directed.

Charging refrigerant gas R 134 A in the compressor system after detecting any leakage, rectifying the leakage in the system, proper evacuation and pressure testing with Nitrogen gas for the desired pressure and testing on complete all as specified and as directed.

Replacement of tie rod set and Buckle which hold the exisiting fan blade coupled with sprinkler set of 26TR AC Plant complete all as specified and as directed.

Opening and dismantling both sides covers of condenser and descaling of condenser unit (set of Two) for AC plant of 26 TR by pumping descaling chemicals with descaling pump, brushing with rods, cleaning/ oiling of tubes, replacement of gasket and reassembling it after descaling complete all as specified and as directed.

Supply, Installation, testing and commissioning in repairs of compressor scroll type suitable for R407-C refrigerant nominal Tones 15 Ton cooling capacity 43100 watt, input power 13.62 KW, IP 54 protection (with cable gland) 460 V 3-60 HZ, 380-400V - 50 Hz complete all as specified and as directed.

Charging refrigerant gas R 407 A in the compressor system after detecting any leakage, rectifying the leakage in the system, proper evacuation and pressure testing with Nitrogen gas for the desired pressure and testing on completion all as specified and directed.

Opening and taking out the front cover of hot water boiler of cap 225 KW and taking out the existing heating element from the boiler drum and refixing the same in old position after descaling the heating element and hot water boiler with suitable chemical and testing on complete all as specified and as directed.

Replacement of heating element 25 KW of existing model suitable for hot water boiler make: Rapid Cool for heating system in 3 X 190 TR central AC Plant complete all as specified and as directed.

Opening ang taking out the front cover of hot water boiler of cap 55 KW and taking out the existing heating element from the boiler drum and refixing the same in old posituion after descaling the heating element and hot water boiler with suitable chemical and testing on complete all as specified and as directed..

Replacement of heating element of 09 KW and model suitable for hot water boiler make: Rapid Cool for heating system in 2 X 26 TR central AC Plant complete all as specified and as directed.

Replacement of heating strip 3 KW, 3 ft long as per existing. complete all as specified and as directed.

Replacement of eating strip 2 KW 2 Ft long as per existing, complete all as specified and as directed.

Replacement of suction pressure transducer in suction pipe of compressor of central AC plant 90 TR capacity by pumping down/recovering of refrigerant gas from the compressor, fixing of HP switch charging recovered refrigerant gas and testing on complete all as specified and as directed.

Replacement of high pressure switch in discharge pipe of compressor of central AC plant of 90 TR capacity by pumping down/recovering of refrigerant gas from the compressor and testing on ccomplete all as specified and as directed.

Trouble shooting/fault detection in case of major break down of the AC plant 3x90 TR from the authorized person/company representative of the Voltas for the smooth functioning and servicing of the plant as well as for un interrupted running. The job includes step by step check up of the plant with proper diagram and replacing of the burnt or unsv parts if any like resistors or counters or timers or repair to electronic circuit board etc complete all as specified and as directed.

Trouble shooting/fault detection in case of major break down of the AC plant 2X26 TR from the authorized person/company representative of the Blue star for the smooth functioning and servicing of the plant as well as for un interrupted running. The job includes step by step check up of the plant with proper diagram and replacing of the burnt or unsv parts if any like resistors or counters or timers or repair to electronic circuit board etc complete all as specified and as directed.

Trouble shooting/fault detection in case of major break down of the AC plant 3X190 TR from the authorized person/company representative of the Carrier for the smooth functioning and servicing of the plant as well as for un interrupted running. The job includes step by step check up of the plant with proper diagram and replacing of the burnt or unsv parts if any like resistors or counters or timers or repair to electronic circuit board etc complete all as specified and as directed.

Opening and dismantling both sides covers of condenser and descaling of condenser unit for AC plant of 190 TR by pumping descaling chemicals with descaling pump, brushing with rods, cleaning/ oiling of tubes, replacement of gasket and reassembling it after descaling complete all as specified and as directed..

Opening and dismantling both sides covers of condenser and descaling of condenser unit for AC plant of 90 TR by pumping descaling chemicals with descaling pump, brushing with rods, cleaning/ oiling of tubes, replacement of gasket and reassembling it after descaling complete all as specified and as directed.

Leakage testing and gas charging including checking of leakage in both low and high side of the system by feeding dry nitrogen to maintain adequate pressure in the system, restoring the leakages including replacement of teflon sealings of all refrigerant link valves liquid lines, suction line, dicharge line of compressors, gland packages of all angle valves flaring of all connections etc for 90 TR compressor complete all as specified and as directed.

Replacement of flow switch of central AC plant 90 TR capacity complete all as specified and as directed.

Replacement of nozzle set of sprinkler for existing cooling tower cap 200 TR and testing complete all as specified and as directed.

Replacement of suction pressure transducer in suction pipe of compressor of central AC plant of 190 TR capacity complete all as specified and as directed.

Replacement of discharge pressure transducer in discharge line of compressor of central AC plant 190 TR capacity complete all as specified and as directed.

Replacement of high pressure switch of central AC plant 190 TR capacity complete all as specified and as directed.

Maintenance of centrifugal/ monoblock pump set 20 HP capacity by means greasing, oiling, replacement of gland of suitable size to stop water leakage from pump set, replacement of coupling, flange and replacement of nuts, bolts etc complete all as specified and as directed.

Disconnecting the electric connections of the electric motor, dismantling the pump and motor from the foundation, taking out the old unserviceable winding wire, cleaning the slots for rewinding, rewinding the electric motor Make Siemens 3 Ph, 415 volts 20 HP with suitable size of super enamelled copper binding wire including replacement of suitable size bearings, including allied materials like cotton tapes, glass sleeves, varnishing and assembling the motor and coupling with pump and fixing on foundation complete and testing complete all as specified and as directed.

Disconnecting the electric connections of the electric motor/monoblock pump dismantling from the pump foundation of AHU or from cooling tower and taking out the old unserviceable winding wire, cleaning the slots, rewinding the electric motor 3 Ph, 415 volts 7.5 HP with suitable size of super enamelled copper binding wire including replacement of suitable size bearings, including allied materials like cotton tapes, glass sleeves, varnishing and assembling the motor and coupling with pump and fixing on foudation or with AHU complete all as specified and as directed.

Disconnecting the electric connections of the electric motor, dismantling from the pump foundation of AHU or from cooling tower and taking out the old unserviceable winding wire, cleaning the slots, rewinding the electric motor 3 Ph, 415 volts 3.7 KW with suitable size of super enamelled copper binding wire including replacement of suitable size bearings, including allied materials like cotton tapes, glass sleeves, varnishing and assembling the motor and coupling with pump and fixing on foudation or with AHU complete and testing complete all as specified and as directed.

Servicing of AHU of 11000 CFM including washing and cleaning of coils with chemical and pressure pump including dusting of all filters with proper cleaning of AHU body with all necessary arrangement including cleaning of drain pipe complete all as specified and as directed.

Servicing of AHU including washing and cleaning of coils with chemical and pressure pump capacity of 20000 CFM including dusting of all filters with proper cleaning of AHU body with all necessary arrangement including cleaning of drain pipe complete all as specified and as directed.

Servicing of AHU including washing and cleaning of coils with chemical and pressure pump capacity of 13000 CFM including dusting of all filterswith proper cleaning of AHU body with all necessary arrangement including cleaning of drain pipe complete all as specified and as directed.

Servicing of AHU Floor mounted of different capacities/sizes including washing of coils with descaling chemicals and pressure pump including cleaning of drain pipe all as specified. The job includes dusting of all filters as well as cleaning of the outer filters and inner filters with proper cleaning of the AHU body with all necessary equipment and apparatus. the AHU room must be dust free after servicing of AHU complete all as specified and as directed.

Servicing of AHU ceiling mounted of different capacities/sizes including washing of coils with descaling chemicals and pressure pump including cleaning of drain pipe all as specified. . The job includes dusting of all filters as well as cleaning of the outer filters and inner filters with proper cleaning of the AHU body with all necessary equipment and apparatus.the AHU room must be dust free after servicing of complete all as specified and as directed.

Replacement of V Belt No. A-26 for AHU complete all as specified and as directed.

Replacement of V Belt No. A-30 for AHU complete all as specified and as directed.

Replacement of V Belt No. A-32 for AHU complete all as specified and as directed.

Replacement of V Belt No. A-35 for AHU complete all as specified and as directed.

Replacement of V Belt No. A-40 for AHU complete all as specified and as directed.

Replacement of V Belt No. A-42 for AHU complete all as specified and as directed.

Replacement of V Belt No complete all as specified and as directed.

Replacement of V Belt No. A-61 for AHU complete all as specified and as directed.

Replacement of V Belt No complete all as specified and as directed.

Replacement of V Belt No complete all as specified and as directed.

Replacement of HEPA filter microfibre material for ducts of size 610mm x 610mm x 305mm (clear upto 0.3 micron) box type complete for 20000 CFM of 190 TR capacity AHU all as pecified complete all as specified and as directed..

Replacement of HEPA filter microfibre material, box type of size 600X600x305mm suitable to be installed in existing AHU 13000 CFM of 90 TR AC plant complete all as specified and as directed.

Replacement of microvee pre filter microfibre material, 10 micron, box type of size 610x610x50mm suitable for AHU of central AC plant complete all as specified and as directed.

Replacement of microvee pre filter, 10 micron, box type of size 520x470x50mm suitable for AHU of central AC plant complete all as specified and as directed.

Replacement of microvee pre filter of microfibre material , 10 micron, box type of size 500x470x25mm suitable for AHU of central AC plant complete all as specified and as directed.

Replacement of microvee pre filter of microfibre material, 10 micron, box type of size 500x480x50mm suitable for AHU of central AC plant complete all as specified and as directed.

Replacement of microvee pre filter of microfibre material, 10 micron, box type of size 610x305x50mm suitable for AHU of central AC plant complete all as specified and as directed.

Replacement of microvee pre filter of microfibre material, 10 micron, box type of size 590x430x25mm suitable for AHU of central AC plant complete all as specified and as directed.

Replacement of microvee pre filter of microfibre material, 10 micron, box type of size 500x250x50mm suitable for AHU of central AC plant complete all as specified and as directed.

HVAC Diffuser used in return air of central AC Plant of size 2'x2' feet, powder coated , Flush/Linear type, square in shape complete all as specified and as directed.

Replacement of coupling set of motor-pump of different capacity 7.5 HP to 20 HP and its allingnment of its shaft in proper position for smoothly working complete all as specified and as directed.

Repair and restoring of humidity control system with replacement of burnt out pump along with motor and GI pipe of various size (15 to 40 mm) with replacement of humidity stat control switch making it functional with repair of heavy duty water tank and all necessary connection as required for smooth functioning of moisture and humidity control function complete all as specified and as directed.

Replacement of butterfly valves 50 mm dia complete all as specified and as directed.

Replacement of butterfly valves 80 mm dia complete all as specified and as directed.

Replacement of butterfly valves 100 mm dia complete all as specified and as directed.

Replacement of butterfly valves 150 mm dia complete all as specified and as directed.

Replacement of butterfly valves 200 mm dia complete all as specified and as directed.

Non-Spring Return Electric Linear balancing control Valve Actuators of existing make and size suitable for use with low-voltage, two way, double-throw (spdt), non corrosive, non explosive Series 60 two-position, adjustable max flow rate 60% to !00% or default and floating controller valves in heating, ventilating, and air conditioning (HVAC) applications.The ML7421A,B Non-Spring Return Electric Linear Valve Actuators are modulating control actuators used with controls that provide an analog output of 0 to 10 Vdc or 2 to 10 Vdc complete all as specified and as directed.

Replacement of MCCB 3 pole of capacity 100 -160 Amp AC 415 Volts Confirms to IS/IEC 60947-2, Breaking capacity 16 KA, positive isolation, thermal magnetic release, adjustable overload 70-100%, adjustable short circuit 5-10 complete all as specified and as directed.

Replacement of MCCB 4 pole of capacity 250 Amp AC 415 Volts Confirms to IS/IEC 60947-2, Breaking capacity 16 KA, positive isolation, thermal magnetic release, adjustable overload 70-100%, adjustable short circuit 5-10 complete all as specified and as directed.

Replacement of MCCB 4 pole of capacity 630 Amp AC 415 Volts Confirms to IS/IEC 60947-2, Breaking capacity 50 KA, positive isolation, thermal magnetic release, adjustable overload 70-100%, adjustable short circuit 5-10 complete all as specified and as directed.

Replacement of MCB of cap 06-32Amp, single pole, 'C' series 10 KA complete all as specified and as directed.

Replacement of MCB three pole of cap 25 Amp, 'C' series 10 KA complete all as specified and as directed.

Replacement of Current transformer of cap 150/5 Amp, 5 VA, Class-1.0, complete all as specified and as directed.

Replacement of contactor MNX A-2 complete all as specified and as directed.

Replacement of single phase preventer complete all as specified and as directed.

Replacement of push botton starter/stop assembly complete all as specified and as directed..

Replacement of three phase Ameter digital type of size 96 X 96 mm of cap 0-20 Amp with suitable CTs ratio complete all as specified and as directed.

Replacement of three phase Ammeter digital type of size 96 X 96 mm of cap 0-40 Amp with suitable CTs ratio complete all as specified and as directed.

Replacement of three phase Ameter digital type of size 96 X 96 mm of cap 0-100 Amp with suitable CTs ratio complete all as specified and as directed.

Replacement of pressure gauge analog type of measuring cap upto 150 Psi complete all as specified and as directed.

Multifunction digital thermometer up to 50oC with backlight with USB interface incl ISO calibration certificate complete all as specified and as directed.

Air Break Power Contactor Ie AC3 : 110 Amp, 415 Volt coil, 50 Hz with 2NO+2NC, Model No 3TF50 of Siemens or equivalent complete all as specified and as directed.

Installation and testing MCS-EXV driver for electronic stepper expansion valve of chiller unit 90 TR including its necessary electrical connection and programming all as specified with fwg features: (a) Mode of operation: Auto/manual (b) Closing of the valve on loss of power (c) Universal main supply operation (accepts 110- 240 v AC +- 10%) (d) Supports a verity of expansion valves (e) Power OK indicator LED (f) Fuse blown indicator LED

ARORA ENTERPRISES (BID ID -3179896)