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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹31.8 LAccepted-AOC BUILDING NO FLAT NO 19 6TH CROSS ROAD SANJEEVINI NAGAR MUDALAPALYA BANGALORE 560072 | BANGALORE | BANGALORE | KARNATAKA | 560072 | ₹31.8 L Quoted ₹32.0 L | L1 | Accepted-AOC BEING LOWEST |
| 2 | L2₹37.2 L+₹5.2 L (16.2%)Rejected-Finance | ₹37.2 L+₹5.2 L (16.2%) | L2 | Rejected-Finance NOT BEING LOWEST |
| 3 | L3₹43.6 L+₹11.5 L (36.0%)Rejected-Finance | ₹43.6 L+₹11.5 L (36.0%) | L3 | Rejected-Finance NOT BEING LOWEST |
| Sl No | Description | Qty | Unit | RASI AND COMPANY L3 | RAHUL ENTERPRISES L1 | B5BUILDING SOLUTIONS L2 |
|---|---|---|---|---|---|---|
| 1.00 | Material and labour for preventive maintenance of 14 Nos AHU cooling coil by taking out pre filters, cleaning of cooling coil and cleaning of AHU and cleaning of dampers refixing all removed parts, checking the operations of all safety devices, cleaning of electrical contacts, checking the electric circuits, testing, commissioning etc installed at CASDIC all as directed by Engineer-in-Charge. | 2 | EACH JOB | 20,000 ₹40,000 | 9,000 ₹18,000 Lowest | 24,000 ₹48,000 |
| 2.00 | Material and labour pressure testing each circuit of carrier make 30GX model chiller for refrigerant leak by evacuating refrigerant gas from the circuit into the empty cylinder, leak testing of the circuit with dry nitrogen (N2) pressure by separating the entire system like low side, high side compressor condensers and rectifying the leakage, vacuuming, re-charging of evacuated refrigerant gas and testing complete all as directed.
NOTE :-
Topping up of gas will be measured separately for CASDIC. | 1 | EACH JOB | 18,000 ₹18,000 | 14,000 ₹14,000 Lowest | 26,000 ₹26,000 |
| 3.00 | Material and labour dismantling 1 Nos of screw compressor from 250 TR capacity chiller carefully with using hydraulic jack & chain pulley, putting dummy plates to suction & discharge line & transporting to authorized workshop for repairs, etc and refixing the same in the original place all as directed. | 1 | EACH JOB | 17,000 ₹17,000 | 10,000 ₹10,000 | 2,500 ₹2,500 Lowest |
| 4.00 | Material and labour dismantling of burnt out stator from screw compressor body, cutting, opening of burnt-out winding, rewinding with the same gauge of copper conductor of F class, oil proof insulation, applying one coat of varnish and kept at the electric oven and heated for 48 hours and refixing the same in the stator bringing back to site all as directed. | 1 | EACH JOB | 1,15,000 ₹1,15,000 | 85,000 ₹85,000 Lowest | 1,75,000 ₹1,75,000 |
| 5.00 | Material and labour for complete overhauling of one 06NA compressor in 250 TR chiller unit by opening the compressor end plate, removing the gear assembly with gear puller, removing the hydraulic chamber, removing the twin screws using puller, removing the bearing sets, O rings, rotor, terminal bolts and stator, clean the entire mechanical parts with approved cleaning agent and oil the parts, checking all the mechanical parts for wear & tear and replace if required, reassemble the dismantled parts carefully by using required tools and tackles, refix the twin screws and checking the alignment of screws for smooth operation, refix the stator along with terminals, fix the gear assembly and hydraulic chamber, checking the alignment of screws and gear assembly for smooth rotation, refix the endplates and tightened the bolts and complete the overhauling all as per standard procedure all as directed. | 2 | EACH JOB | 75,000 ₹1,50,000 | 55,000 ₹1,10,000 Lowest | 55,000 ₹1,10,000 Lowest |
| 6.00 | Material and labour dismantling of winding from defective condenser fan motor of capacity upto 5HP and rewinding, with the same gauge of copper conductor and kept at electrical oven and heated for 48 hours and refixing the same in original place and all as directed. | 5 | EACH JOB | 3,200 ₹16,000 Lowest | 9,000 ₹45,000 | 3,500 ₹17,500 |
| 7.00 | Material and labour for General servicing and preventive maintenance of the 250 TR chiller unit, pressure cleaning of the condenser coil, checking the operations of all safety devices, cleaning of electrical contacts, checking the electric circuits all as directed. | 3 | EACH JOB | 12,000 ₹36,000 | 2,500 ₹7,500 Lowest | 6,000 ₹18,000 |
| 8.00 | Material and labour for painting with one coat of synthetic enamel paint of approved colour for complete central type AC plant of capacity 250TR completely to all connected items of the plant, motors with different colour including motor of blowers/pipes lines with different colour all as directed by Engineer-in-Charge. | 3 | EACH JOB | 15,300 ₹45,900 | 9,000 ₹27,000 | 5,000 ₹15,000 Lowest |
| 9.00 | Supply and fix in replacement of dual core internal oil filter suitable for 250 TR capacity chiller unit of carrier all as directed.
MAKE :- Filtration Level - 3 µ, No. 06NA660028S | 4 | EACH | 13,500 ₹54,000 | 6,000 ₹24,000 Lowest | 15,000 ₹60,000 |
| 10.00 | Supply and fix in replacement of external oil filter suitable for 250 TR capacity chiller unit of carrier all as directed.
MAKE :- Filtration Level - 10 µ. No. 30GX417132E | 4 | EACH | 26,400 ₹1,05,600 | 21,000 ₹84,000 Lowest | 25,000 ₹1,00,000 |
Tender Value
₹46 L
EMD Value
₹92,000
Closing Date
21 Oct 2025, 6:00 pmClosed
LT COL CHANDRAKANT JOSHI
DRDO Complex, CV Raman Nagar PO, Bangalore 560 093
REPAIRS AND MAINTENANCE OF CENTRAL TYPE AC PLANT CHILLER PLANT DUCTABLE ACS AND SPLIT ACS AT CASDIC AND RTC UNDER GE I R AND D EAST BANGALORE
2025_MES_727324_1
8646/E8
Open Tender
Electrical and Maintenance Works
Item Rate
270 days
GE I R AND D EAST BANGALORE
CLASS D CATEGORY c(i)
8 documents required · 8 mandatory
₹500
Yes
GE I R AND D EAST BANGALORE
₹92,000
Yes
3 Dec 2025
19 Sept 2025
28 Oct 2025
19 Sept 2025
21 Oct 2025
3 Oct 2025
19 Sept 2025 - 1 Oct 2025
Amount
Material and labour for preventive maintenance of 14 Nos AHU cooling coil by taking out pre filters, cleaning of cooling coil and cleaning of AHU and cleaning of dampers refixing all removed parts, checking the operations of all safety devices, cleaning of electrical contacts, checking the electric circuits, testing, commissioning etc installed at CASDIC all as directed by Engineer-in-Charge.
Material and labour pressure testing each circuit of carrier make 30GX model chiller for refrigerant leak by evacuating refrigerant gas from the circuit into the empty cylinder, leak testing of the circuit with dry nitrogen (N2) pressure by separating the entire system like low side, high side compressor condensers and rectifying the leakage, vacuuming, re-charging of evacuated refrigerant gas and testing complete all as directed. NOTE :- Topping up of gas will be measured separately for CASDIC.
Material and labour dismantling 1 Nos of screw compressor from 250 TR capacity chiller carefully with using hydraulic jack & chain pulley, putting dummy plates to suction & discharge line & transporting to authorized workshop for repairs, etc and refixing the same in the original place all as directed.
Material and labour dismantling of burnt out stator from screw compressor body, cutting, opening of burnt-out winding, rewinding with the same gauge of copper conductor of F class, oil proof insulation, applying one coat of varnish and kept at the electric oven and heated for 48 hours and refixing the same in the stator bringing back to site all as directed.
Material and labour for complete overhauling of one 06NA compressor in 250 TR chiller unit by opening the compressor end plate, removing the gear assembly with gear puller, removing the hydraulic chamber, removing the twin screws using puller, removing the bearing sets, O rings, rotor, terminal bolts and stator, clean the entire mechanical parts with approved cleaning agent and oil the parts, checking all the mechanical parts for wear & tear and replace if required, reassemble the dismantled parts carefully by using required tools and tackles, refix the twin screws and checking the alignment of screws for smooth operation, refix the stator along with terminals, fix the gear assembly and hydraulic chamber, checking the alignment of screws and gear assembly for smooth rotation, refix the endplates and tightened the bolts and complete the overhauling all as per standard procedure all as directed.
Material and labour dismantling of winding from defective condenser fan motor of capacity upto 5HP and rewinding, with the same gauge of copper conductor and kept at electrical oven and heated for 48 hours and refixing the same in original place and all as directed.
Material and labour for General servicing and preventive maintenance of the 250 TR chiller unit, pressure cleaning of the condenser coil, checking the operations of all safety devices, cleaning of electrical contacts, checking the electric circuits all as directed.
Material and labour for painting with one coat of synthetic enamel paint of approved colour for complete central type AC plant of capacity 250TR completely to all connected items of the plant, motors with different colour including motor of blowers/pipes lines with different colour all as directed by Engineer-in-Charge.
Supply and fix in replacement of dual core internal oil filter suitable for 250 TR capacity chiller unit of carrier all as directed. MAKE :- Filtration Level - 3 µ, No. 06NA660028S
Supply and fix in replacement of external oil filter suitable for 250 TR capacity chiller unit of carrier all as directed. MAKE :- Filtration Level - 10 µ. No. 30GX417132E
Supply and fix in replacement of drier suitable for 250 capacity chiller liquid line complete all as directed. MAKE :- No. XW12EA003
Supply and fix in replacement of Oil level switch suitable for 250 capacity chiller all as directed.
Supply and fix in replacement of Carrier make HP transducer. No. OP12DA039EE complete all as specified and as directed.
Supply and fix in replacement of Carrier make LP transducer. No. OP12DA040EE complete all as specified and as directed.
Supply and fix in replacement of Carrier make Oil pressure transducer. No. OP12DA040EE complete all as specified and as directed.
Supply and fix oil pump assembly suitable for carrier make 06NA compressor including taking down unserviceable oil pump assembly carefully complete testing all as directed
Supply and fix in replacement of Carrier make temperature Sensor. No. 30RB 660 036 complete all as specified and as directed.
Supply and fix in replacement of internal bearings suitable for carrier 6 NA screw compressor by opening the compressor end plate, removing the gear assembly with a gear puller, removing the hydraulic chamber, removing the twin screws using a puller, removing the bearing sets, O rings, rotor, terminal bolts, and stator, clean the entire mechanical parts with an approved cleaning agent, replace the bearing sets as per the standard procedure, reassemble the dismantled parts carefully by using the required tools and tackles, refix the twin screws and checking the alignment of screws for smooth operation, refix the stator along with terminals to fix the gear assembly and hydraulic chamber, checking the alignment of screws and gear assembly for smooth rotation, refix the endplates and tightened the bolts all as per the standard procedure complete all as specified and as directed.
Supply and fix in replacement of topping up of compressor oil suitable for carrier make screw compressor oil (SW 220 grade synthetic screw compressor oil) complete all as specified and as directed.
Supply and filling of 134 A refrigerant gas for carrier screw chiller at a CASDIC complete all as specified and directed.
Supply and fix in replacement of defective contactor with new contactor for compressor 160 A, 3 pole complete all as specified and as directed. MAKE :-: Siemens 3TF51
Supply and fix in replacement of defective contactor with new contactor for AHU motor 100 A, 3 pole complete all as specified and as directed. MAKE :- Siemens 3TF48
Supply and fix in replacement of defective contactor up to 50A, with new contactor complete all as specified and as directed. MAKE :- L&T,Siemens, ABB
Supply and fix in replacement of defective bearings of the condenser fan motor. No. 6204, 6205 complete all as specified and as directed.
Supply and fix in replacement of defective EXV board of 30GX model Carrier make screw chiller by isolating the power to the Chiller unit, remove the connections to the EXV board carefully, remove the EXV board from the chiller control panel, fix the new EXV board carefully and reconnect the connections to the EXV board complete all as per the standard procedure all as specified and as directed.
Supply and fix in replacement of defective flow sensor of 30GX model Carrier make screw chiller by isolating the Butterfly valve, remove the electrical connection carefully, remove the flow sensor from the chilled water pipe line, fix the new flow sensor carefully and reconnect the electrical connections to the flow sensor complete all as per standard procedure all as specified and as directed.
Supply and fix in replacement of defective electronic expansion valve of 30GX model carrier make chiller by isolating the power to the chiller unit, removing the connections of electronic expansion valve carefully, isolating the refrigerant by closing the services valve, de-braze and removing the valve from ckt, fixing of new valve in the ckt with brazing, pressure testing the ckt, reconnecting the connections to the valve complete all as per standard procedure all as specified and as directed.
Supply and fix in replacing of defective 22kw VFD of chiller water pump by isolating the power to pump panel removing the connections to VDF carefully, fix with new VDF reconnect the connections and re-commission the VDF al as per standard procedure, complete all as specified and as directed. MAKE :- SEIMENS, Module SED222/32B or equivalent
Supply and fix in replacement of removable type factory made metallic pre-filter of 20 microns of standard size with GI frame both side including removing of unserviceable metallic pre-filters all as directed. MAKE :- AEROSOL /MAF / DYNA / JOHN FLOWER / SRI SAI
Supply and fix in replacement of factory made high performance bag filters of 95% down to 5 micron of standard size with multiple-pockets & self supporting filter bags with MS/ GI / anodised aluminium frame suitable for central air conditioning plant including replacement of bolt, nuts and taking out unserviceable bag filters complete all as directed by Engineer-in-Charge. MAKE :- Aerosol/ John Flower/ Dyna/ Sri Sai
Material and labour disconnecting and removing of the induction motor from the existing position of 5 HP to 7.5HP capacity of any make checking of the motor for its serviceability and transporting to workshop, opening up, cutting and removing of the burnt out winding, rewinding with same gauge of copper conductor insulating, varnishing, greasing etc., complete, reassemble, testing at work shop bring back to site re-fixing back in the original position reconnecting, testing and commissioning complete all as directed.
All as per Sl item No 31 above but 7.5 HP to 10 HP capacity induction motor
All as per Sl item No 31 above but 10 HP to 20 HP capacity induction motor
Material and labour disconnecting and removing of the pump from the existing position of 20 HP to 30 HP capacity of any make checking of the motor for its serviceability and transporting to workshop, opening up, cutting and removing of the burnt out winding, rewinding with same gauge of copper conductor insulating, varnishing, greasing etc., complete, reassemble and testing at work shop bring back to site re-fixing back in the original position reconnecting, testing and commissioning complete all as directed.
Supply and fixing in replacement of bearing of 5 HP to 7.5 HP capacity induction motor including removing of unserviceable bearing all as specified and as directed.
All as per Sl item No 35.00 above but 7.5 HP to 10 HP capacity induction motor
All as per Sl item No 35.00 above but 10 HP to 20 HP capacity induction motor.
Supply and fix in replacement of bearing of 20HP to 30 HP capacity pump including removing of unserviceable bearing all as specified and as directed.
Supply and fix in replacement overload relay up to 32 Amps capacity including taking down unserviceable over load relay etc all as directed.
All as per Sl item No 39.00 but capacity 63 Amps to 100 Amps
Supply and fix in replacement of water pressure gauges of 4'' or 2” dia of the following range with necessary flare nuts, adopter including removing of the unserviceable all as directed. MAKE : KI/FEIBIG/H GURU.(0-150 PSI or equivalent in Kg/cm2)
Supply and fix in replacement of V-belts of the following sizes (in inches) all as directed including removing unserviceable belt complete all as specified and as directed. MAKE : FENNER/DUNLOP/ VITTON/PIX
(a) Upto B - 120
(b) B-120 to B -190
(c) Upto C-120
Supply and fix in replacement Syphon connection 15 mm dia made out of SS pipe suitable for fixing of pressure gauge including ½ an inches dia stop valve and taking down unserviceable syphon connection etc all as directed.
Supply and fix water pressure cut out 0-8 kg pressures15 mm dia including taking out unserviceable water pressure gauge etc all as directed.
Supply and fix in replacement of door beeding for Carrier Chiller control panel all as directed.
Supply and fix in replacement of unserviceable micro processor PC board with new microprocessor PC board on any type of AC like existing /invertor type split AC/Casettee Type AC by dismantling /disconnecting the same carefully without disturbing other components up to 3 TR capacity AC including making necessary fixing arrangement etc., complete all as directed. MAKE :- LG / Carrier / Voltas / Bluestar / Hitachi / Samsung
Material and labour for dismantling of split AC complete inner and outer unit upto 3 TR after removing all connection like refrigerant pipe/voltage stabilizer safely and refixing the same at the other location including making all connection and testing in on position all as specified and directed. NOTE :- Rate quoted by contractor shall deemed to include for core cutting / wall cutting including making hole for refrigerant pipe etc . No extra items except refrigerant gas & copper pipe if reqd shall be paid under relevant item of BOQ.
Supply and laying soft Copper tube of size 5/8 " x 3/8" complete all as specified and as directed.
Supply and laying soft Copper tube of size 1/2 " x 1/4" complete all as specified and as directed.
Supply and laying Copper tube of size 5/8 " x 1/4" complete all as specified and as directed.
Material and Labour for removing the Split type Air conditioner outdoor unit/indoor unit from its position for pressure/ leak testing with dry nitrogen gas & arresting the leakages in condenser coil /cooling coil by brazing etc and gas charging as per reqd basis complete for Split type AC 1.5 ton / 2.0 ton / 3 TR complete all as specified and as directed. NOTE :- Rates quoted by the contractor shall includes for refrigerant gas charging as per required basis.
Material and labour for complete servicing after pumping down Indoor / outdoor units of split AC complete by cleaning condenser/ evaporator coil with air blower, wet servicing of condenser coil unit with caustic soda etc, replacement of sheet metal screws wherever necessary applying oil in fan motor bushes checking and rectifying the wiring defects, proper setting of thermostat & other electrical/ Refrigerant controls, cleaning the air filter for split air conditioner upto 2 TR all as specified and directed. NOTE :- (i) The quoted rate deemed to includes for minor spares (ii) Gas shall be measured and paid separately under relevant items of BOQ.
All as per Sl item No. 52.00 above but for 3 TR capacity cassette/tower type AC
All as per Sl item No. 52.00 above but for 5.5 TR capacity cassette/tower type AC
All as per Sl item No. 52.00 above but for 8.5 TR capacity ductable cassette/tower type AC
Supply and fix in replacement of un serviceable starting capacitor of 100/120 mfd suitable for split/window type Air conditioner upto 3 TR all as specified and directed.
Supply and fix in replacement of running capacitor 25/36/45/50 mfd suitable for window/split type air conditioners up to 3 TR capacity complete all as specified and as directed.
All as per Sl item No. 57 herein before but for 5.5 to 8.5 TR capacity split/ multi split/tower/ductableb type AC complete all as specified and as directed.
Disconnecting and taking down unserviceable internal wiring of split type air conditioner up to 3 TR capacity, supply and rewiring complete with copper conductors including testing and commissioning all as specified and as directed.
Removing defective unserviceable fan blades from split type air-conditioners up to 3 TR capacity, supply and fix new blade suitable for air-conditioners of existing make of LG/Blue star/Voltas/Carrierall as specified and as directed.
Material and labour time delay timer cum single phase preventer suitable for 2 TR / 3 TR capacity any make and any model of split type AC including taking down unserviceable timer etc., complete all as specified and as directed. MAKE :-: L & T / GIC / BCH / MINILEC
Supply and lay PVC insulated cable flexible type with copper conductor 4 sq.mm 3 core suitable for window / split type air-conditioner up to 3 TR capacity of length 3 mtr all as specified and as directed.
Supply and charging of refrigerant gas R-407C//R-32/R-22 complete all as specified and as directed. MAKE :- Fluron/Mettron/Refron
Supply and fix MS iron stand with nuts bolts stable for 1.5/2TR split type and connected works all as specified and directed by Engineer-in-Charge
Supply and fix in replacement of new hermetically / Rotary / reciprocating sealed compressor for 1.5 TR capacity split type AC including removing of unserviceable sealed compressor unit etc complete all as specified and directed. MAKE : Emerson / Tecumshah / Total Line
All as per Sl item No-65 above but of 2 TR capacity
Supply and fix in replacement Metal enclosure single pole and neutral with a two pin and earth plug and socket complete with one single pole MCB 40 Amps MCB complete all as specified.
Material and labour removing defective unserviceable condensing coil fan motor from split type air-conditioners up to 3 TR capacity, supply and fix new condensing coil fan motor suitable for air conditioners upto 3 TR all as specified and as directed.
Material and labour removing defective unserviceable blower fan motor indoor unit from split type air conditioners of 3 TR capacity, supply and fix blower fan motor unit suitable for split air conditioners up to 3 TR, complete all as directed.
Supply and fix in replacement insulating the suction / discharge line of split type air conditioner up to 3 TR capacity with necessary insulating filter wool 6mm thick upto 3 mtr length complete all as specified and as directed.
Supply and fix contactor 240 volts, upto 32 Amps suitable for split/ductable/tower type AC capacity upto 8.5TR including dismantling of existing contactor complete all as specified and as directed. MAKE :- Seimens/C&S/L&T/BCH
Dismantling unserviceable cooling coil from 1.5/2/3 TR capacity split AC carefully without damaging the other parts, supply and fix new cooling coil made out from seamless hard copper pipe including brazing and pressure testing dry nitrogen gas including charging any type of refrigerant gas as per existing AC, testing, commissioning, etc suitable for make complete all as specified and as directed. MAKE :- LG / Bluestar / Voltas/Carrier
Supply and fix in replacement PVC insulated cable flexible type with copper conductor of size 2.5 sq.mm 4 core suitable for window / split type air conditioner up to 3 TR for connecting to indoor to outdoor unit capacity upto 5 Mtr length complete all as specified and as directed.
Material and labour pressure testing and rectifying leakage in the system of ductable split air conditioner / cassette type AC / package type / VRF / VRV type up 8.5 TR capacity by brazing including copper tubing if reqd upto 1.5 Mtr length and including gas charging, testing for satisfactory performance, commissioning all as directed.
Material and labour removing defective PC board carefully with out disturbing the cooling coil and fan motor of upto 3 TR air conditioner and taking to reputed workshop check thoroughly and rectify the fault including replacement of IC transformer and connected accessories and refixing back to original position including testing and commissioning etc complete all as specified and as directed.
B5BUILDING SOLUTIONS (BID ID -3456202)
RASI AND COMPANY (BID ID -3442185)
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