COMPREHENSIVE MAINTENANCE AND REPAIR TO CENTRAL AC PLANT AT LGJ MIL STN

Amount

Taking down and opening of the compressor model SMC-4-65 (Make ACCEL) for over hauling, cleaning, washing, machining and mechanical repair work including lathe work etc. Checking of its all parts for serviceability/unserviceability and reassembling all serviceable parts all as per original, and replacement of defective parts after N2/CO2 washing of complete compressor including N21 pressure testing for identification of any leakage as required for smooth functioning of the compressor and testing after installing in original position to the entire satisfaction of Engineer-in-charge complete all as specified and as directed by Engineer-in-charge. Note :- (i) All defective/unserviceable spare parts/items required for over hauling shall be measured and paid for separately under appropriate items mentioned in BOQ here-in-after as supply only (ii) Gas charging and gas and compressor oil shall be measured and paid separately under appropriate items of BOQ here-in-after as supply and charging)

Supply only Connecting rod bolts.

Supply only big end bearing

Supply only cylinder liner

Supply only compressor ring set

Supply only crank shaft main bearing

Supply only oil ring set

Supply only piston (Cat Part No E-14)

Supply only piston pin (Cat Part No E-13)

Supply only connecting rod bush.

Supply only BRG washer.

Supply only thrust washer

Supply only shaft seal assembly (Cat Part No. ASL6010R)

Supply only Neoprene ring set.

Supply only oil filter for compressor.

Supply only suction valve reeds

Supply only discharge valve reeds

Supply and fixing in replacement teflon sheet and 'O' ring of suction shut off valve complete all as directed by Engineer-in-charge. Model SMC-4/65 mm Make ACCEL

Supply and fixing in replacement teflon sheet and 'O' ring of discharge shut off valve complete all as directed by Engineer-in-charge. Model SMC-4/65 mm Make ACCEL

Supply and fixing in replacement oil shut off valve for compressor model SMC-4/65mm complete all as directed by Engineer-in-charge. Make :- ACCEL/ SHANT/ SPORLAN

Supply and fixing in replacement pilot operated liquid solenoid valve for compressor model SMC-4/65mm complete all as directed by Engineer-in-Charge. Make :- SPORLAN/RANCO/SANLAN/ACCEL/SHANT

Supply and fixing in replacement liquid line valve of size 15mm dia for compressor model SMC-4/65mm complete all as directed by Engineer-in-Charge. Make :- CRYSTAL/RANCO/ACCEL/SHANT

Supply and fixing in replacement safety valve for compressor model SMC-4/65mm complete all as directed by Engineer-in-Charge Make :- AIREF/ACCEL/SHANT/ SPORLAN

Supply and fixing in replacement safety valve for condenser for compressor model SMC-4/65mm complete all as directed by Engineer-in-Charge. Make :- AIREF/ACCEL/SHANT/ SPORLAN

Supply and fixing in replacement control reversible oil pump for compressor model SMC-4/65mm complete all as directed by Engineer-in-charge. Make :- ACCEL

Supply and fixing in replacement HP cutout up to mix pressure limit 0-300 psi complete all as directed by Engineer-in-Charge. Make:- INDFOSS/ DANFOSS /L & T / ACCEL

Supply and fixing in replacement LP cutout pressure limit 0-150 psi complete all as directed by Engineer-in-Charge. Make:- INDFOSS/ DANFOSS /L & T / ACCEL

Supply and fixing in replacement oil pressure cut out switch suitable for pressure range 0-150psi complete all as directed by Engineer-in-Charge. Make:- INDFOSS/ DANFOSS /L & T / ACCEL

Supply and fixing in replacement water flow switch RC type R-62-MWA 150 PSIG Rating ELEC SPDP-250 volt AC-15 Amp complete all as directed by Engineer-in-Charge. Make :- Honeywell/ Danfoss/ Davison/ Emerson

Supply and fixing in replacement humidstat of humidity range up to 0-60% complete all as directed by Engineer-in-Charge. Make :- HONEYWELL/SPORLAN/ Electrotrade/ Hygrotech

Supply and fixing crank case heating element complete all as directed by Engr-In-Charge Make:-ACCEL/L&T/Protect/KLIVON

Supply and fixing in replacement liquid line filter of size 40mm dia made of brass complete all as directed by Engineer-in-Charge. Make :- ACCEL /SPORLAN/CRYSTAL

Supply and fixing in replacement Fan Belt, B-72 for AHU complete all as directed by Engineer-in-Charge. Make:- FENNER/POLY/VENUS or eqvt

Supply and fixing in replacement Fan Belt, B-76 for compressor complete all as directed by Engineer-in-Charge. Make:- FENNER/POLY/VENUS or equivalent

Supply and fixing in replacement Fan Belt, B-74 for compressor complete all as directed by Engineer-in-Charge. Make:- FENNER/POLY/VENUS or equivalent

Supply and fixing in replacement Fan Belt, B-88 for blower motor complete all as directed by Engineer-in-Charge. Make:- FENNER/POLY/VENUS or equivalent

Supply and fixing in replacement thermometer wall hanging type suitable for reading dry and wet bulb temperature -20 degree to 60 degree for room temp in degree centigrade and Fahrenheit scale complete all as directed by Engineer-in-Charge. Make:- JOHNSON/DOCTOR/Labwork/Paxmax

Supply and fixing in replacement heating element (2KW) strip type suitable for 32 TR AC Plant complete all as directed by Engr-In-Charge. Make : Daspass/ ACCEl/ L&T / Protech/ KLIXON

Servicing of air handling unit by removing prefilter and micron air filter, cleaning/washing the filter and reassembling complete all as directed by Engineer-in-Charge. Size of AHU : 3X2X4 m

Opening condenser shell and tube for servicing, cleaning integrally finned copper tubes, MS/ERW shell including replacement of unserviceable purge valve, reassembling and testing complete all as directed by Engineer-in-Charge.

Servicing of cooling tower of capacity 32TR & 104TR/52TR by removing sludge and cleaning the holes and strainer and reassembling complete all as directed by Engineer-in-Charge.

Supply and charging refrigerant gas R-22 (Freon) up to the required pressure including T & P for charging at site and before charging checking of gas leakage, by N2 pressure testing rectification of leakage in the entire system if any and testing on full load complete all as specified and as directed by Engineer-in-Charge.

Supply and charging refrigerant gas R-407C up to the required pressure including T & P for charging at site and before charging checking of gas leakage, by N2 pressure testing rectification of leakage in the entire system if any and testing on full load complete all as specified and as directed by Engineer-in-Charge.

Supply and filling compressor oil (C-68) to its rated capacity as per compressor model SMC 4-65mm design complete all as specified and as directed by Engineer-in-Charge. Make :- Castrol/ INDIAN OIL SERVO/ Hindustan Petroleum/Sheetal

Dismantling the electric induction motor AC 3 Phase, capacity 20 HP, 415 V, 50 Hz of any make and type (Kirloskar/Bharat Bijlee/Crompton) from any position from existing foundation after disconnecting electric cable connection and earthing etc. and carry to civil workshop for repair/rewinding, strip opening the motor and removing of defective burnt winding, cleaning the rotor and stator, rewinding the motor with super enameled copper winding wire of suitable turn and gauge as per the original with proper insulation including varnishing, providing all high grade material and class ‘B’ varnish for insulation, tapping, heating, replacement of defective/unserviceable parts with new parts like ball bearing, bush, ring, nut bolts etc. reassembling complete the motor and re-fixing at site with electric cable connection, earthing and testing the motor on full load at site after coupling for its serviceability up to entire satisfaction of Engineer-in-charge. Note :- (i) The T & P/vehicles will be arranged by the contractor and the cost deemed to be included in the quoted rates.

Dismantling the electric induction motor AC 3 Phase, capacity 10 HP, 415 V, 50 Hz of any make and type (Kirloskar/Bharat Bijlee/Crompton) from any position from existing foundation after disconnecting electric cable connection and earthing etc. and carry to civil workshop for repair/rewinding, strip opening the motor and removing of defective burnt winding, cleaning the rotor and stator and after that rewinding the motor with super enameled copper winding wire of suitable turn and gauge as per the original with proper insulation including varnishing, providing all high grade material and class ‘B’ varnish for insulation, tapping, heating, replacement of defective/unserviceable parts with new parts like ball bearing, bush, ring, nut bolts etc. After complete all reassembling the motor and re-fixing at site with electric cable connection, earthing and testing the motor on full load at site after coupling for its serviceability up to entire satisfaction of Engineer-in-charge. Note :- (i) The T & P/vehicles will be arranged by the contractor and the cost deemed to be included in the quoted rates.

Dismantling the electric induction motor AC 3 Phase, capacity 7.5 HP, 415 V, 50 Hz of any make and type (Kirloskar/Bharat Bijlee/Crompton) from any position from existing foundation after disconnecting electric cable connection and earthing etc. and carry to civil workshop for repair/rewinding, strip opening the motor and removing of defective burnt winding, cleaning the rotor and stator, rewinding the motor with super enameled copper winding wire of suitable turn and gauge as per the original with proper insulation including varnishing, providing all high grade material and class ‘B’ varnish for insulation, tapping, heating, replacement of defective/unserviceable parts with new parts like ball bearing, bush, ring, nut bolts etc. reassembling complete the motor and re-fixing at site with electric cable connection, earthing and testing the motor on full load at site after coupling for its serviceability up to entire satisfaction of Engineer-in-charge. Note :- (i) The T & P/vehicles will be arranged by the contractor and the cost deemed to be included in the quoted rates.

Dismantling the electric induction motor AC 3 Phase, capacity 5 HP, 415 V, 50 Hz of any make and type (Kirloskar/Bharat Bijlee/Crompton) from any position from existing foundation after disconnecting electric cable connection and earthing etc. and carry to civil workshop for repair/rewinding, strip opening the motor and removing of defective burnt winding, cleaning the rotor and stator, rewinding the motor with super enameled copper winding wire of suitable turn and gauge as per the original with proper insulation including varnishing, providing all high grade material and class ‘B’ varnish for insulation, tapping, heating, replacement of defective/unserviceable parts with new parts like ball bearing, bush, ring, nut bolts etc. reassembling complete the motor and re-fixing at site with electric cable connection, earthing and testing the motor on full load at site after coupling for its serviceability up to entire satisfaction of Engineer-in-charge. Note :- (i) The T & P/vehicles will be arranged by the contractor and the cost deemed to be included in the quoted rates.

Dismantling the electric induction motor AC 3 Phase, capacity 2 HP, 415 V, 50 Hz of any make and type (Kirloskar/Bharat Bijlee/Crompton) from any position from existing foundation after disconnecting electric cable connection and earthing etc. and carry to civil workshop for repair/rewinding, strip opening the motor and removing of defective burnt winding, cleaning the rotor and stator, rewinding complete the motor with super enameled copper winding wire of suitable turn and gauge as per the original with proper insulation including varnishing, providing all high grade material and class ‘B’ varnish for insulation, tapping, heating, replacement of defective/unserviceable parts with new parts like ball bearing, bush, ring, nut bolts etc. reassembling complete the motor and re-fixing at site with electric cable connection, earthing and testing the motor on full load at site after coupling for its serviceability up to entire satisfaction of Engineer-in-charge. Note :- (i) The T & P/vehicles will be arranged by the contractor and the cost deemed to be included in the quoted rates.

Dismantling the electric motor monoblock pumping set, AC 3 Phase, capacity 10 HP, 415 V, 50 Hz of any make and type (Kirloskar/Bharat Bijlee/Crompton) from any position from existing foundation after disconnecting electric cable connection and earthing etc. and carry to civil workshop for repair/rewinding, strip opening the motor and removing of defective burnt winding, cleaning the rotor and stator, rewinding the motor with super enameled copper winding wire of suitable turn and gauge as per the original with proper insulation including varnishing, providing all high grade material and class ‘B’ varnish for insulation, tapping, heating, replacement of defective/unserviceable parts with new parts like ball bearing, bush, ring, nut bolts etc of motor and pump. reassembling complete the motor and pump and re-fixing at site with electric cable connection, earthing and testing the motor on full load at site after coupling for its serviceability up to entire satisfaction of Engineer-in-charge. Note :- (i) The T & P/vehicles will be arranged by the contractor and the cost deemed to be included in the quoted rates.

Dismantling the electric motor monoblock pumping set, AC 3 Phase, capacity 5 HP, 415 V, 50 Hz of any make and type (Kirloskar/Bharat Bijlee/Crompton) from any position from existing foundation after disconnecting electric cable connection and earthing etc. and carry to civil workshop for repair/rewinding, strip opening the motor and removing of defective burnt winding, cleaning the rotor and stator, rewinding the motor with super enameled copper winding wire of suitable turn and gauge as per the original with proper insulation including varnishing, providing all high grade material and class ‘B’ varnish for insulation, tapping, heating, replacement of defective/unserviceable parts with new parts like ball bearing, bush, ring, nut bolts etc of motor and pump, reassembling complete the motor and pump and re-fixing at site with electric cable connection, earthing and testing the motor on full load at site after coupling for its serviceability up to entire satisfaction of Engineer-in-charge. Note :- (i) The T & P/vehicles will be arranged by the contractor and the cost deemed to be included in the quoted rates.

Dismantling the electric motor monoblock pumping set, AC 3 Phase, capacity 3 HP, 415 V, 50 Hz of any make and type (Kirloskar/Bharat Bijlee/Crompton) from any position from existing foundation after disconnecting electric cable connection and earthing etc. and carry to civil workshop for repair/rewinding, strip opening the motor and removing of defective burnt winding, cleaning the rotor and stator, rewinding the motor with super enameled copper winding wire of suitable turn and gauge as per the original with proper insulation including varnishing, providing all high grade material and class ‘B’ varnish for insulation, tapping, heating, replacement of defective/unserviceable parts with new parts like ball bearing, bush, ring, nut bolts etc of motor and pump, reassembling complete the motor and pump and re-fixing at site with electric cable connection, earthing and testing the motor on full load at site after coupling for its serviceability up to entire satisfaction of Engineer-in-charge. Note :- (i) The T & P/vehicles will be arranged by the contractor and the cost deemed to be included in the quoted rates.

Dismantling the electric motor monoblock pumping set, AC 3 Phase, capacity 1.5 HP, 415 V, 50 Hz of any make and type (Kirloskar/Bharat Bijlee/Crompton) from any position from existing foundation after disconnecting electric cable connection and earthing etc. and carry to civil workshop for repair/rewinding, strip opening the motor and removing of defective burnt winding, cleaning the rotor and stator and after that rewinding the motor with super enameled copper winding wire of suitable turn and gauge as per the original with proper insulation including varnishing, providing all high grade material and class ‘B’ varnish for insulation, tapping, heating, replacement of defective/unserviceable parts with new parts like ball bearing, bush, ring, nut bolts etc of motor and pump. reassemblingcomplete the motor and pump and re-fixing at site with electric cable connection, earthing and testing the motor on full load at site after coupling for its serviceability up to entire satisfaction of Engineer-in-charge. Note :- (i) The T & P/vehicles will be arranged by the contractor and the cost deemed to be included in the quoted rates.

Supply and fixing in replacement ball brass valves, high pressure, with polythene float and fly-nut complete, screwed for iron pipe or brass ferrule, suitable for 25mm bore pipe complete all specified and as directed by Engineer-in-Charge. Make:- Leader/Zoloto/Venus/Kirloskar

Supply and fixing in replacement ball brass valves, high pressure, with polythene float and fly-nut complete, screwed for iron pipe or brass ferrule, suitable for 20mm bore pipe complete all specified and as directed by Engineer-in-Charge. Make:-Leader/Zoloto/Venus/Kirloskar

Servicing of mono block pump set capacity 10 HP in position at site by replacing gland packing and nut bolts as per existing size on both side, greasing, including replacement of defective ball bearing complete all as directed by Engineer-in-Charge

Servicing of mono block pump set capacity 5 HP in position at site by replacing gland packing and nut bolts as per existing size on both side, greasing, including replacement of defective ball bearing complete all as directed by Engineer-in-Charge

Supply and fixing in replacement PVC fins honey comb of size 400 X 600mm suitable for cooling tower make ‘mihir’ capacity 32 TR/52TR/104TR, flow of water upto requirement of temperature limit for discharge pressure maintain complete all as directed by Engineer-in-Charge.

M&L Repair to starter (make- BCH/L&T/C&S) by replacing the following parts complete all as directed by Engineer-in-Charge.

Supply and fixing contactor type NHD 0, 25 Amp. Make :- BCH or equivalent make of L&T/C&S/Legrand/ Havells

Supply and fixing contactor type NHD 1, 40 Amp Make :- BCH or equivalent make of L&T/C&S/Legrand/ Havells

Supply and fixing contactor type ML-2, 32Amp. Make :- BCH/L&T/C&S/ Legrand/ Havells

Supply and fixing contactor type ML-3, 40Amp. Make :- L&T or equivalent make of BCH/C&S Legrand/ Havells

Supply and fixing thermal over load relay 0 to 32 Amp. Make :- L&T or equivalent make of BCH/C&S Legrand/ Havells

Supply and fixing time delay relay range 30 to 120 sec. Make :- BCH/L&T/C&S/GIC

Supply and fixing single phase preventer 415 volts VSP-2 type. Make :- Minilec/L&T/C&S

Supply and fixing push button adaptor with element including fixing screws.

Supply and fixing push button pendants with 2 push complete including fixing screws

Supply and fixing in replacement HRC fuse 50 Amp complete all as directed by Engineer-in-charge. Make : Siemens/GEC/L&T/BCH

Supply and fixing in replacement HRC fuse 125 Amp complete all as directed by Engineer-in-charge. Make : Siemens/GEC/L&T/BCH

Supply and fixing Chilled water temperature sensor operating range -10 degree to 120 degree Centigrade, wire length 10 feet make: Blue Star / voltas, as per existing

Supply and fixing Microprocessor suitable for control panel of scroll type compressor ACDS048 DPMN2X2S, Make : Blue Star

Supply and fixing Microprocessor suitable for control panel of scroll type compressor, Model No. XWC4S-052A Make : Voltas

Overhauling of CT fan of 32 TR AC plant by replacing bearing and nut bolts as per existing size on both side, greasing, including replacement of defective ball bearing complete all as directed by Engineer-in-Charge

Overhauling of CT fan of 52 TR AC plant by replacing bearing and nut bolts as per existing size on both side, greasing, including replacement of defective ball bearing complete all as directed by Engineer-in-Charge

Overhauling of CT fan of 104 TR AC plant by replacing bearing and nut bolts as per existing size on both side, greasing, including replacement of defective ball bearing complete all as directed by Engineer-in-Charge

Painting of AC Plant including scrubbing, descaling, removing of old paint,surface preparation complete with compressors, condensers,AHU,Cooling Tower and associated system pipes/ducting, E-Motors of compressors, condensors, AHU and CT Fan complete with one coat of red oxide primer and two coats of synthetic enamel paint if existing colour all as directed by Engineer-In-Charge

Supply and fixing in replacement thermostatic expansion valve suitable for 32 TR AC plant. Make :- ACCEL/ SHANT/ SPORLAN

Supply and fix suction pressure gauge(0 -150 PSI) Make: Fiebig/Honeywell/Amfico/Radix

Supply and fix discharge pressure gauge (0-300 PSI) Make: Fiebig/Honeywell/Amfico/Radix

Supply and fix oil pressure gauge (0-150) make: Fiebig/Honeywell/Amfico/Radix

Supply and fix condenser water pressure gauge (0-10 Kg/cm2) make: Fiebig/Honeywell/Amfico/Radix

Supply and fix chilled water pressure gauge (0-10 Kg/cm2) make: Fiebig/Honeywell/Amfico/Radix

M&L for insulation of MS Chilled water pipe line with PUF Slab 40 mm thick and including applying bituminous compound and GI Cladding with 26 gauge GI Sheet complete of size 100 mm bore complete all as specified and directed by Engr-In-Charge

supply and fixing in repair or replacement fan motor assembly including motor of capacity 2HP, 3phase, 960 RPM, fan blade of size 900mm, 4 blade, cast Al alloy , 28mm base canopy with stand for cooling tower of capacity 32 TR complete all as specified and directed by Engr In Charge

Supply and fix MCCB 4 Pole, 415 V, adjustable type , 250 Amp Cap with breaking Capacity 36 KA with sheet metal enclosure IP-65 With spreader links complete all as specified and directed by Engr In Charge

Complete rewiring of AC LT Panel installed for operation of AC Plant No. 1 to 4 with suitable size of copper wire along with suitable size of lugs, bolts , nuts and washers complete all as specified and directed by Engr-In-Charge

Supply, assembly and erection of GI Sheet with TDF (transfer duct flange) rectangular/Square sheet made out of 'L' shaped hollow profile duly factory boxed including all accessories such as corner, cleat, carriahge bolt, gasket and appropriate sealant on longitudinal Joints etc complete of size 24 Gauge complete all as specified and directed by Engr-In-Charge

M&L for duct insulation with rasin bonded fibre glass wool roll of density 24 Kg/Cum with factory laminated Al Vapour barreir, thickness of insulation 25 mm complete all as specified and directed by Engr In Charge

Supply and fix air dampers of size 100mm X 900mm made of GI sheet of 24 gauge with suitable No of air grills openable/closable on account of air flow suitable for 32 TR AC plant complete all as specified nad directed by Engr In Charge

Supply and fix air filters of size 900mm X 600mm of 0.3 micron for AHUs to Centralised AC Plant of capacity 32 TR Complete all as specified and directed by Engr In Charge

Supply and fix air diffusers of size 600mm X 600mm made out of PVC plastic body complete all as specified and directed by Engr In Charge

Note:- The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule 'A'/BOQ

Aggarwal brothers and company

Dashmesh Construction Company

Lalgarhia Enterprises