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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹6.2 CrAdmitted-Finance 404 ITL TWIN TOWERS PLOT NO B 9 NETAJI SUBHASH PLACE PITAMPURA NEW DELHI | NORTH WEST | DELHI | 110034 | ₹6.2 Cr | L1 | Admitted-Finance |
| 2 | L2₹6.3 Cr+₹8.6 L (1.38%)Admitted-Finance 1ST FLOOR KRISHNA TOWERS OPP TO THRIKKAKARA TEMPLE THRIKKAKARA P O COCHIN 682 021 | ERNAKULAM | KERALA | 682021 | ₹6.3 Cr+₹8.6 L (1.38%) | L2 | Admitted-Finance |
| 3 | L3₹6.4 Cr+₹14.6 L (2.35%)Admitted-Finance 11TH FLOOR ECO CENTRE BUSINESS TOWER P NO 4 EM BLOCK SECTOR V KOLKATA 91 | KOLKATA | 24 PARAGANAS NORTH | WEST BENGAL | 700091 | ₹6.4 Cr+₹14.6 L (2.35%) | L3 | Admitted-Finance |
| 4 | L4₹6.6 Cr+₹32.3 L (5.18%)Admitted-Finance | ₹6.6 Cr+₹32.3 L (5.18%) | L4 | Admitted-Finance |
| 5 | L5₹7.1 Cr+₹82.4 L (13.2%)Admitted-Finance | ₹7.1 Cr+₹82.4 L (13.2%) | L5 | Admitted-Finance |
| Sl No | Description | Qty | Unit | Blue Star Limited L3 | HV AIRCONDITIONING SYSTEMS PVT. LTD. L1 | EVAC ENGINEERING PROJECTS PVT. LTD. L4 | STERLING AND WILSON PVT LTD L2 | Unity Engineers L5 |
|---|---|---|---|---|---|---|---|---|
| 1.00PART-A: Equipment | ||||||||
| 2.00WATER-COOLED CENTRIFUGAL CHILLING UNIT (600 TR) | ||||||||
| 2.01Supplying, Installing, testing & commissioning of water cooled Positive/Negative pressure Centrifugal Type water chilling machine with unit mounted 2 stage factory fitted Variable Frequency Drive control console, with inbuilt Passive Harmonic filter having THDV <= 5% (at chiller level) having a capacity of 600 TR (Minimum) at chilled water inlet / outlet temperature of 53.6 deg.F / 44.6 deg.F with suitable chilled water circulation rate and condenser water inlet / outlet temperature of 88 deg.F / 97 deg.F with suitable circulation rate, suitable for stepless continuous capacity from 100% to 20% at Constant Condenser Entering Temperature of 88 degF without surging , envelope stablity control & hot gas bypass , for operation on refrigerant R134a/Chlorine Free HFO Based. each comprising of the following complete as per specifications and as required. Maximum power consumption including VFD loss and loss due to passive harmoic filter at 100 % load (Kw/TR) ≤ 0.525 (at AHRI Condt.) & ≤ 0.572 (at Design Condt.) and NPLV : ≤ 0.35., COP≥ 6.7 Fouling Factor for Evaporator & Condenser shall be 0.0005 & 0.001 FPS unit as per following specifications (from i-xx). Condenser pressure drop : 7.0 m WC Evaporator pressure drop: 7.0 m WC | ||||||||
| 2.02Suitable no.& capacity of Semi Hermatic Centrifugal Two stage compression system compressor Intermediated Refrigeration injection cooling at bubble Ref. temperature between consecutive stages for automatic controlled Intercooling system complete with automatic capacity control, safety switches, forced feed lubrication system etc. as per manufacturers specifications. | ||||||||
| 2.03Suitable no & capacity squirrel cage induction motor totally enclosed refrigerant / air cooled type. Necessary insulation suitable for operation on 415± 10% volts, 50 ± 3% Hz , AC power supply. | ||||||||
| 2.04Suitable number & capacity unit mounted Variable Frequency Drive with passive harmonic filters suitable for compressor motor complete with ammeter with CTs, over load protection, under voltage protection against phase reversal and independent single phase preventors, timer control & trip circuit with sensing elements for HP/LP/Anti-Freeze, winding overload protection, thermistor and control etc complete as required as per manufacturer standard. THDv of the VFD shall be within 5% as per IEEE-519 | ||||||||
| 2.05Necessary drive arrangement | ||||||||
| 2.061 Set- Lubrication device consisting of automatic electric oil pump, oil cooler, head tank, oil strainer, automatic pressure regulating valve, oil heater, oil heater themal switch etc, as per specifications.Provision of forced lubrication of all parts during startup, running & shutdown of compressor as required as per manufacturer standard. | ||||||||
| 2.071 Set-Matching shell & tube water cooled condenser (shell side refrigerant and tube side potable water) of M.S/C.S shell and integrally finned copper tubes complete etc as required as per manufacturer standard. | ||||||||
| 2.081 Set- Matching shell & tube, flooded or falling film type chiller for centrifugal type units of MS/CS shell and integrally finned copper tubes complete etc as required as per manufacturer standard. | ||||||||
Tender Value
₹6.2 Cr
EMD Value
₹12.5 L
Closing Date
20 Jan 2026, 2:00 pmClosed
Superintending Engineer
IPM Section, IIT Guwahati
Augmentation of Old HVAC Plant in IIT Guwahati with 2X600TR water cooled centrifugal chiller and associated works
2025_IITG_886400_1
IITG/IPM/NIT/C/2025-26/74
Open Tender
Electrical Works
Works
180 days
IIT Guwahati
Please refer tender document
2 documents required · 2 mandatory
₹5,000
Payable To IIT Guwahati
₹12.5 L
IPM Section
23 Feb 2026
20 Nov 2025
11 Dec 2025
20 Nov 2025
20 Jan 2026
20 Nov 2025
1 Dec 2025
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1PART-A: Equipment | |||||
| 2WATER-COOLED CENTRIFUGAL CHILLING UNIT (600 TR) | |||||
| 2.01 | Supplying, Installing, testing & commissioning of water cooled Positive/Negative pressure Centrifugal Type water chilling machine with unit mounted 2 stage factory fitted Variable Frequency Drive control console, with inbuilt Passive Harmonic filter having THDV <= 5% (at chiller level) having a capacity of 600 TR (Minimum) at chilled water inlet / outlet temperature of 53.6 deg.F / 44.6 deg.F with suitable chilled water circulation rate and condenser water inlet / outlet temperature of 88 deg.F / 97 deg.F with suitable circulation rate, suitable for stepless continuous capacity from 100% to 20% at Constant Condenser Entering Temperature of 88 degF without surging , envelope stablity control & hot gas bypass , for operation on refrigerant R134a/Chlorine Free HFO Based. each comprising of the following complete as per specifications and as required. Maximum power consumption including VFD loss and loss due to passive harmoic filter at 100 % load (Kw/TR) ≤ 0.525 (at AHRI Condt.) & ≤ 0.572 (at Design Condt.) and NPLV : ≤ 0.35., COP≥ 6.7 Fouling Factor for Evaporator & Condenser shall be 0.0005 & 0.001 FPS unit as per following specifications (from i-xx).
Condenser pressure drop : 7.0 m WC
Evaporator pressure drop: 7.0 m WC | - | - | - | - |
| 2.02 | Suitable no.& capacity of Semi Hermatic Centrifugal Two stage compression system compressor Intermediated Refrigeration injection cooling at bubble Ref. temperature between consecutive stages for automatic controlled Intercooling system complete with automatic capacity control, safety switches, forced feed lubrication system etc. as per manufacturers specifications. | - | - | - | - |
| 2.03 | Suitable no & capacity squirrel cage induction motor totally enclosed refrigerant / air cooled type. Necessary insulation suitable for operation on 415± 10% volts, 50 ± 3% Hz , AC power supply. | - | - | - | - |
| 2.04 | Suitable number & capacity unit mounted Variable Frequency Drive with passive harmonic filters suitable for compressor motor complete with ammeter with CTs, over load protection, under voltage protection against phase reversal and independent single phase preventors, timer control & trip circuit with sensing elements for HP/LP/Anti-Freeze, winding overload protection, thermistor and control etc complete as required as per manufacturer standard. THDv of the VFD shall be within 5% as per IEEE-519 | - | - | - | - |
| 2.05 | Necessary drive arrangement | - | - | - | - |
| 2.06 | 1 Set- Lubrication device consisting of automatic electric oil pump, oil cooler, head tank, oil strainer, automatic pressure regulating valve, oil heater, oil heater themal switch etc, as per specifications.Provision of forced lubrication of all parts during startup, running & shutdown of compressor as required as per manufacturer standard. | - | - | - | - |
| 2.07 | 1 Set-Matching shell & tube water cooled condenser (shell side refrigerant and tube side potable water) of M.S/C.S shell and integrally finned copper tubes complete etc as required as per manufacturer standard. | - | - | - | - |
| 2.08 | 1 Set- Matching shell & tube, flooded or falling film type chiller for centrifugal type units of MS/CS shell and integrally finned copper tubes complete etc as required as per manufacturer standard. | - | - | - | - |
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