REPAIR/MAINTENANCE OF CENTRAL/PACKAGE TYPE AC PLANT, COLD STORAGE NO 1 AND 2 AT MH AND REPAIRING OF DUCTING AT VARIOUS PLACES UNDER GE (N) AHMEDNAGAR

Amount

Material and labour for replacement of the following unserviceable parts / accessories of LT Panel board for compressor of central AC plant of capacity 25 TR including connecting testing complete all as directed:

(a) Power contactor ML-2, 32 Amps, 415 Volts, 50 Hz, TP for compressor motor MAKE: SEIMENS / L & T Cat No-SS90701

(b) Over load relay, 20 to 32 Amps capacity, 415 Volts, 50 Hz MAKE: L&T / SIEMENS Cat No:-SS94136OOEO

(c) Operating coil, 230 Volts, 50 Hz MAKE: L&T / SIEMENS Cat No-CS96384

(d) Switch fuse unit, TP, 63 Amps, 500 Volts, FN type with handle MAKE: LEGRAND / HAGER / SIEMENS

(e) PVC moulded / backelite cut out with base, 63 Amps, 500 Volts MAKE: LEGRAND / HAGER / SIEMENS

(f) MCCB, 200 Amps, TPN, 50 Hz, 500 Volts, 25 KA rupturing capacity MAKE : LEGRAND / HAGER / SIEMENS Cat No-3VA11163ED42-OAAO

(g) MCB, TPN, 32 Amps, 50 Hz, 500 Volts MAKE:LEGRAND / HAGER / SIEMENS Cat No-DHMGCTNFO006-032

(h) MCCB 100 Amps TP 50 Hz 500 Volts 25 KA MAKE: LEGRAND / HAGER / SIEMENS Cat No-3VA1010-3ED32-0AAO

Material and labour for replacement of the following unserviceable parts / accessories of LT panel board of AHU motors and water circulating pumps for AC plant of capacity 25 TR including connecting testing complete all as directed:-

(a) Power contactor, 32 Amps (type 3 TA 21-11 A) TP for AHU motor MAKE: SEIMENS / L & T Cat No-CS96552

(b) Over load relay, 10 to 16 Amps, 415 Volts, 50 Hz MAKE: L&T / SIEMENS Cat No-SS94135OOBO

(c) Operating coil, 230 Volts, 50 Hz MAKE: L&T / SIEMENS Cat No-CS96384

(d) Switch fuse unit, TPN, 30 Amps fixed in and including sheet metal enclosure made out of 1.6 mm thick CRCA sheet MAKE: LEGRAND / HAGER / SIEMENS

Taking out unserviceable tefflon gasket of discharge and suction valves of AC plant of capacity 25 TR and replacing the same with new tefflon gasket all as directed.

Taking out old unserviceable pressure cut off cut out and replacing the same with new pressure cut out of any type, model, size required and testing for gas leakage all as directed.

Material and labour for servicing compressor motor 30 HP, 3 Phase, 415 Volts 50 Hz by cleaning and greasing, tightening of all loosened parts complete all as directed.

All as per item No 5 above but for motor of capacity 7.5 HP, 3 Phase, 415 Volts, 50 Hz of circulating pumps

Material and labour for overhauling of pump of 7.5 HP monoblock pump set including replacement of gland packing, gun metal bush bearing and water seal / gland packing ,rusted unserviceable bolts nuts, etc and testing all as directed.

Material and labour for overhauling of pump of 30 HP monoblock pump set including replacement of gland packing, gun metal bush bearing and water seal / gland packing ,rusted unserviceable bolts nuts, etc and testing all as directed.

Overhauling & Vaccumising of complete system of central AC plant capacity 25 TR with vaccum pump, descanning the refrigerent in suitable container with suitable precautions, isolating the reciprocating compressor by removing nuts and blocking plates of suction and discharge valves, opening compressor, removing the crankshaft & checking it , grinding of the crankshaft & for suitable size of bearing , replacement of unserviceable / damaged internal parts reassembling complete and leakage testing with and including nirogen gas arresting the leakage , charging compressor oil and refrigerent gas (R-22), reassembaling the complete system testing and commissioning of the compressor to the entire satisfaction of Engineer-in-Charge. NOTES: (i) Replacement of materials shall be measured and paid as supply only parts under the relevent items. (ii) Compressor oil and refrigerant gas will be measured and paid under the relevent items. (iii) Machining work as required deemed to be included in the unit rate quoted.

Supply only the following parts of central air conditioning palnt of 25 TR capacity Make : Kirloskar, Model - AC 470 :-

(a) Gasket set

(b) Shaft seal assembly

(c) `O' Ring set

(d) Oil filter

(e) Main bush bearing

(f) Suction reeds

(g) oil pressure regulator

(h) Discharge reeds

(i) brass nozzel 3/4 inchs as per existing

(j) oil pressure cut out make:danfos

(k) pressure gauge (low / high / o )

(l) liquid indicator

(m) solonaid valve

(n) anti vibrational mountings

(0) Oil Pump

(p) Piston Ring

(q) Connecting Bearing

(r) compressor oil Make : CASTROL

Descaling of condensor of 25 TR capacity central type AC plant by mechanical and chemical method till removal of scales completely including replacement of gasket and worn out nuts bolts complete all as directed.

Overhauling the cooling tower by scraping out algae scale formed or material deposited in bottom tank on fins nozzles etc by mechanical and chemical method complete including supply and fix M-Seal at leakage point all as directed.

Supply & Charge F-22 gas to AC plant upto required pressure all as directed

Overhauling & Vaccumising of complete system of Package AC plant of capacity 3/5 TR with pump, descanning the refrigerent in suitable container with suitable precautions, replacement of unserviceable / damaged internal parts, leakage testing with and including nirogen gas arresting the leakages , charging compressor oil and refrigerent gas (R-22), reassembaling the complete system testing and commissioning of the compressor to the entire satisfaction of Engineer-in-Charge. NOTES: (i) Replacement of materials shall be measured and paid as supply only parts under the relevent items. (ii) Compressor oil and refrigerant gas will be measured and paid under the relevent items. (iii) Machining work as required deemed to be included in the unit rate quoted.

Supply only the following unserviceable accessories of complete package type AC plant of capacity 3 TR / 5 TR including connecting testing complete all as directed:-

(a) anti vibrational mountings

(b) brass pressure valve 1/2 inches

(c) gas filter 1/2 inches

(d) filter trier

(e) out door unit condencing coil

(f) out door unit condencing motor 1.5 HP 3 phase 415 Volts Cat No-1SEOO90-2NB70

(g) out door unit condencing motor's fan blade

(h) MCB, TPN, 32 Amps, 50 Hz, 500 Volts MAKE:LEGRAND / HAGER / SIEMENS Cat No-DHMGCTNFO006-032

(i) copper tubes 5/8' 1/2' as per existing

(j) solenoid valve

(k) Cooling coil

(l) fan motor belt as per existing

(m) 4 core 4 sq mm cable MAKE : Polycab / Achor / Indoplus

(n) compressor heater

Material and labour for replacement of the following unserviceable parts / accessories of LT Panel board for compressor of PACKAGE AC plant of capacity 3/5 TR including connecting testing complete all as directed:-

(a) Switch fuse unit, TP, 63 Amps, 500 Volts, FN type with handle MAKE: LEGRAND / HAGER / SIEMENS

(b) PVC moulded / backelite cut out with base, 32 Amps, 500 Volts

(c) MCCB, 200 Amps, TPN, 50 Hz, 500 Volts, 25 KA rupturing capacity MAKE LEGRAND / HAGER / SIEMENS CAT NO-3VA1116-3ED420AA0

(d) MCB, TPN, 32 Amps, 50 Hz, 500 Volts MAKE:LEGRAND / HAGER / SIEMENS Cat No-DHMGCTNFO006-032

(e) Power contactor, 32 Amps (type 3 TA 21-11 A) TP MAKE: SEIMENS / L & T Cat No-CS96552

(f) Over load relay, 10 to 16 Amps, 415 Volts, 50 Hz MAKE: L&T / SIEMENS Cat No-SS94135OOBO

(g ) Timer switch,230 Volts, 50 Hz CAT NO-SS91270

(h) Operating coil, 230 Volts, 50 Hz

(j) Singal phase preventor 230 Volts, 50 Hz CAT NO-XM81808OOOO

Disconnecting Unserviceable compressor capacity 5.5 TR from existing electric and pipe line connections of any make, transporting and replacing the same with factory / company made reconditioned compressor including connecting suction and discharge lines by copper brazing, pressure testing with the help of nitrogen gas and flushing out the oil in condensor cooling coil and gas charging all as directed:- Make : Blue star NOTES: 1) The make of the compressor to be replaced shall be same as that of the existing make in the cooling appliance. 2) Gas charging will be measured and paid separately under the relevent item

Material and labour for cleaning with blower of air filters and micro filters, condensor coil / cooling coil and servicing of blower motor with oil grease etc of 3 to 11 TR capacity package AC plants washing of air filters with liquid soap and high pressure water till all dirt is removed all as directed.

M and labour for taking out blower motor of 3 to 8.75 TR package type AC plant, transporting to work shop,opening the motor, taking out burnt winding, preparing motor for winding and rewidning of motor with same guage superior enamelled copper wire, replacement of bearings if required, assembling and transporting back, installing on foundation connecting and testing complete all as directed.

Material and labour for leak testing of package AC 3/8.75 TR capacity by using nitogen gas if required repairing to leakage as required by copper brazing etc and testing for pressure drop for 24 hrs complete all as directed.

Disconnecting unserviceable compressor capacity 8.75 TR from existing electric and pipe line connections of any make, transporting and replacing the same with factory / company made reconditioned compressor including connecting suction and discharge lines by copper brazing, pressure testing with the help of nitrogen gas and flushing out the oil in condensor cooling coil and gas charging all as directed:- Make : Blue star NOTES: 1) The make of the compressor to be replaced shall be same as that of the existing make in the cooling appliance. 2) Gas charging will be measured and paid separately under the relevent item

Overhauling & Vaccumising of complete system of Package AC plant of capacity 8.75 TR with pump, descanning the refrigerent in suitable container with suitable precautions, replacement of unserviceable / damaged internal parts, leakage testing with and including nirogen gas arresting the leakages , charging compressor oil and refrigerent gas (R-22), reassembaling the complete system testing and commissioning of the compressor to the entire satisfaction of Engineer-in-Charge. NOTES: (i) Replacement of materials shall be measured and paid as supply only parts under the relevent items. (ii) Compressor oil and refrigerant gas will be measured and paid under the relevent items. (iii) Machining work as required deemed to be included in the unit rate quoted.

Supply only for replacement of the following unserviceable accessories of complete package type AC plant of capacity 8.75 TR including connecting testing complete all as directed:-

(a) PCB with digital display 230 Volts, 50 Hz

(b) brass pressure valve 1/2 inches

(c) gas filter 1/2 inches

(d) filter trier

(e) out door unit condencing coil

(f) out door unit condencing motor 2 HP 3 phase 415 Volts CAT NO- 1SE00902NB70

(g) out door unit condencing motor's fan blade

(h) MCB, TPN, 32 Amps, 50 Hz, 500 Volts MAKE:LEGRAND / HAGER / SIEMENS Cat No-DHMGCTNFO006-032

(j) copper tubes 5/8' 1/2' as per existing

(k) solenoid valve

(l) Cooling coil

(m) fan motor belt as per existing

(n) 4 core 4 sq mm cable MAKE : Polycab / Achor / Indoplus

(o) compressor heater

(p) anti vibrational mountings

Material and labour for replacement of the following unserviceable parts / accessories of LT Panel board for compressor of PACKAGE AC plant of capacity 8.75 TR including connecting testing complete all as directed:-

(a) Switch fuse unit, TP, 63 Amps, 500 Volts, FN type with handle MAKE: LEGRAND / HAGER / SIEMENS

(b) PVC moulded / backelite cut out with base, 32 Amps, 500 Volts

(c) MCCB, 200 Amps, TPN, 50 Hz, 500 Volts, 25 KA rupturing capacity MAKE: LEGRAND / HAGER / SIEMENS

(d) MCB, TPN, 32 Amps, 50 Hz, 500 Volts MAKE:LEGRAND / HAGER / SIEMENS Cat No-DHMGCTNFO006-032

(e) Power contactor, 32 Amps (type 3 TA 21-11 A) TP MAKE: SEIMENS / L & T Cat No-CS96552

(f) Over load relay, 10 to 16 Amps, 415 Volts, 50 Hz MAKE: L&T / SIEMENS Cat No-SS94135OOBO

(g ) Timer switch,230 Volts, 50 Hz

(h) Operating coil, 230 Volts, 50 Hz

(j) Singal phase preventor 230 Volts, 50 Hz

(k) Rotary switch

Overhauling & Vaccumising of complete system of Package AC plant of capacity 11 TR with pump, descanning the refrigerent in suitable container with suitable precautions, replacement of unserviceable / damaged internal parts, leakage testing with and including nirogen gas arresting the leakages , charging compressor oil and refrigerent gas (R-22), reassembaling the complete system testing and commissioning of the compressor to the entire satisfaction of Engineer-in-Charge. NOTES: (i) Replacement of materials shall be measured and paid as supply only parts under the relevent items. (ii) Compressor oil and refrigerant gas will be measured and paid under the relevent items. (iii) Machining work as required deemed to be included in the unit rate quoted.

Supply only for replacement of the following unserviceable accessories of complete package type AC plant of capacity 11(5.5x2) TR including connecting testing complete all as directed:-

(a) PCB with digital display 230 Volts, 50 Hz

(b) brass pressure valve 1/2 inches

(c) gas filter 1/2 inches

(d) filter trier

(e) out door unit condencing coil

(f) out door unit condencing motor 2 HP 3 phase 415 Volts

(g) out door unit condencing motor's fan blade

(h) MCB, TPN, 32 Amps, 50 Hz, 500 Volts MAKE:LEGRAND / HAGER / SIEMENS Cat No-DHMGCTNFO006-032

(j) copper tubes 5/8' 1/2' as per existing

(k) solenoid valve

(l) Cooling coil

(m) fan motor belt as per existing

(n) 4 core 4 sq mm cable MAKE : Polycab / Achor / Indoplus

(o) compressor heater

(p) anti vibrational mountings

Material and labour for replacement of the following unserviceable parts / accessories of LT Panel board for compressor of PACKAGE AC plant of capacity 8.75 TR including connecting testing complete all as directed:-

(a) Switch fuse unit, TP, 63 Amps, 500 Volts, FN type with handle MAKE: LEGRAND / HAGER / SIEMENS

(b) PVC moulded / backelite cut out with base, 32 Amps, 500 Volts

(c) MCCB, 200 Amps, TPN, 50 Hz, 500 Volts, 25 KA rupturing capacity MAKE LEGRAND / HAGER / SIEMENS CAT NO-3VA1116-3ED420AA0

(d) MCB, TPN, 32 Amps, 50 Hz, 500 Volts MAKE:LEGRAND / HAGER / SIEMENS Cat No-DHMGCTNFO006-032

(e) Rotary switch

(f) Power contactor, 32 Amps (type 3 TA 21-11 A) TP MAKE: SEIMENS / L & T Cat No-CS96552

(g) Over load relay, 10 to 16 Amps, 415 Volts, 50 Hz MAKE: L&T / SIEMENS Cat No-SS94135OOBO

(h) Timer switch,230 Volts, 50 Hz

(j) Operating coil, 230 Volts, 50 Hz

(k) Singal phase preventor 230 Volts, 50 Hz

supply & fix ball bearing DE/NDE for 30 HP coupled pump

supply & fix ball bearing DE/NDE for 7.5 HP coupled pump

Repair of voltage stabilizer for automatic opration single phase naturally air cooled indoor type and desinged for input variation b/t 170 v to 280 v with output voltage stabilized at 230 v with accuracy of + 2.5 % and of capacity 4 / 5 KVA

Repair of voltage stabilizer for automatic opration single phase naturally air cooled indoor type and desinged for input variation b/t 170 v to 280 v with output voltage stabilized at 230 v with accuracy of + 2.5 % and of capacity 0.5 KVA to 2 KVA

M/s. NILESH SURESH KAWOOR