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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹87.3 LAccepted-AOC 11TH FLOOR ECO CENTRE BUSINESS TOWER P NO 4 EM BLOCK SECTOR V KOLKATA 91 | KOLKATA | 24 PARAGANAS NORTH | WEST BENGAL | 700091 | L1 | Accepted-AOC Lowest Price | |
| 2 | L2₹90.1 L+₹50,000 (0.56%)Rejected-Finance | L2 | Rejected-Finance Not Competitive | |
| 3 | L3₹91.6 L+₹2 L (2.23%)Rejected-Finance | L3 | Rejected-Finance Not Competitive | |
| 4 | Rejected-Technical | - | Rejected-Technical Not Meeting PQ criteria |
| Sl No | Description | Qty | Unit | TAP ENGINEERING L3 | Blue Star Ltd L1 | Unimech systems private limited L2 |
|---|---|---|---|---|---|---|
| 1.00SUPPLY | ||||||
| 2.00AIR HANDLING UNITS | ||||||
| 2.01Supply, testing and commissioning of double skin construction floor mounted / ceiling mounted draw thru type AIR HANDLING UNITS each complete with 25/40 mm thick PUF insulated panel, draw through type with Thermal Break Profile (if required) Air handling Unit (AHU) filter section, 4/6 row deep chilled water coil of copper tube & aluminium fins construction each for chilled water, squirrel cage induction motor, centrifugal fan with backward curved fan blades, filters, coil size shall be selected for a maximum face velocity of 500 feet/minute and external static pressure shall be minimum 15 mm WG for floor mounted and 25 mm WG for ceiling suspended or as required to overcome pressure drop in the systems.Motor shall be suitable for 415 ± 10% volts, 50 cycles, 3 phase / AC supply (Efficiency class IE3). AHU Motor : ABB/ SIEMENS | ||||||
| 2.02Thick rigid PUF pipe sections and finished with 24G aluminium clading. | ||||||
| 2.03Air moving and tonnage capacities shall be as detailed below and final static presssure rating will be provided during detail engineering | ||||||
| 2.04ESP AND AHU FIRST FLOOR AHU | ||||||
| 2.05 | Total cooling Capacity: 10 TR Dehumidified air qty: 4000 CFM External Static Pressure: 15 mmWC
Chilled Water inlet / Outlet temperature: 7/120C | 1 | Nos. | 2,36,675 ₹2,36,675 | 2,61,357 ₹2,61,357 | 2,29,333 ₹2,29,333 Lowest |
| 2.06ESP AND AHU GOUND FLOOR AHU | ||||||
| 2.07 | Total cooling Capacity: 5.5 TR Dehumidified air qty: 2200 CFM External Static Pressure: 15 mmWC
Chilled Water inlet / Outlet temperature:7/120C | 1 | Nos. | 1,76,515 ₹1,76,515 | 1,94,213 ₹1,94,213 | 1,74,343 ₹1,74,343 Lowest |
| 2.08BOILER MCC 2nd Floor | ||||||
Tender Value
Refer Docs
EMD Value
₹1.5 L
Closing Date
25 Aug 2025, 3:00 pmClosed
GM (PROJECTS)
PMD,TNPL,Unit-I,Kagithapuram
Design, Manufacture, Testing, Supply, Erection and Commissioning of Low side HVAC works for proposed Boiler#8 MCC and ESP MCC Building under RSPS#2 Project at TNPL Unit-I
2025_TNPL_589308_1
TNPL/UNIT-I/RSPS2/252613003246
Open Tender
Miscellaneous Works
Tender cum Auction
120 days
TNPL, Unit-I, Kagithapuram
As Specified in Bid Document
7 documents required · 7 mandatory
₹1,180
₹1.5 L
30 Sept 2025
6 Aug 2025
26 Aug 2025
6 Aug 2025
25 Aug 2025
7 Aug 2025
7 Aug 2025 - 19 Aug 2025
Amount
SUPPLY
AIR HANDLING UNITS
Thick rigid PUF pipe sections and finished with 24G aluminium clading.
Air moving and tonnage capacities shall be as detailed below and final static presssure rating will be provided during detail engineering
ESP AND AHU FIRST FLOOR AHU
Total cooling Capacity: 10 TR Dehumidified air qty: 4000 CFM External Static Pressure: 15 mmWC Chilled Water inlet / Outlet temperature: 7/120C
ESP AND AHU GOUND FLOOR AHU
Total cooling Capacity: 5.5 TR Dehumidified air qty: 2200 CFM External Static Pressure: 15 mmWC Chilled Water inlet / Outlet temperature:7/120C
BOILER MCC 2nd Floor
Total cooling Capacity: 40 TR Dehumidified air qty: 20000 CFM External Static Pressure: 15 mmWC Chilled Water inlet / Outlet temperature:7/120C
BOILER GROUND FLOOR
Total cooling Capacity: 15 TR Dehumidified air qty.: 6000 CFM External Static Pressure: 15 mmWC Chilled Water inlet / Outlet temperature:7/120C
PIPING AND AUXILIARIES FOR AHU
Chilled water piping of MS Heavy Gauge Class-C as per IS-1239, to be fitted between the termination point and HVAC Equipment. The piping shall be complete with necessary valves, bends, fittings, instruments, hangers , with suitable Wooden supports etc.
150 mm dia
80 mm dia
50 mm dia
40 mm dia
32 mmdia
25 mmdia
Insulation for Chilled water pipes - Supply of insulation material as per section 2: clause No.2.6 & Section 3: clause 2.2 Part 4 of Bid document
25 mm dia
32 mm dia
40 mm dia
50 mm dia
80 mm dia
150 mm dia
200 mm dia
250 mm dia
PVC Hard Drawn Drain Pipe - Equipment drain piping (PVC Hard Drawn) complete with valves, fittings, hangers / supports etc. up to the nearest drain point provided by the purchaser.
Main Common Header drain Pipe for AHUs - 50 mm dia
Branch Drain Pipe for AHUs - 25 mm dia
GI PIPE
Pipe between Make- up water Header -25 mm dia GI pipe (medium class) complete with valves, fittings, hangers /supports etc.
VALVES
Valves of different types and sizes as follows. Chilled water line valves (complete with matching Flange, Nut-Bolts & Gaskets) shall be duly insulated with TF quality expanded polystryene of 50mm thick upto 250mm dia and 80mm thick for 300 mm dia to 600mm dia duly finished with Aluminium cladding with 26G.
BUTTERFLY VALVE (SS CONSTRUCTION)
BALANCING VALVE (SS CONSTRUCTION)
Y - STRAINER (SS CONSTRUCTION)
Ball Valve (SS CONSTRUCTION)
Float Valve (SS CONSTRUCTION)
Duct Work (For Boiler MCC & ESP MCC Building)
GSS supply air ducting (having zinc deposition of at least 180 Gms / Sq. M) complete with vanes, damper with control arrangement at each branch off and wherever necessary, flexible connections of rubberized canvas, hangers / supports etc. Ducting shall be as per IS 655.
GI Ducting - 20 G ducting
GI Ducting - 22 G ducting
GI Ducting - 24 G ducting
Acoustic insulation
Acoustic insulation of 25mm Open type Nitrile rubber foam / XLPE (of density 140 Kg/ Cu.M) to be applied inside first 6M of ducting after AHU .
Thermal insulation
13mm thick Aluminium foil faced Nitrile Rubber/ XLPE thermal insulation of entire supply air duct.
Underdeck Insulation
Insulation material shall be Closed Cell Elastomeric Nitrile Rubber with treated woven glass cloth laminated on one side. (Glass Cloth Colors Available – Red / Blue / Green) Thermal conductivity of the base insulation material shall not exceed 0.035 W/(m.K) at mean temperature of 00C as per EN 12667. Moisture Diffusion Resistance Factor or ‘µ’ value of the base insulation material shall be minimum 7,000 without any external barrier as per EN 12086. Water Absorption by Volume of base insulation material shall be < 0.2% as per ASTM C 1763 / ASTM C 209. The base insulation material shall have fire performance such that it passes Class 1 as per BS476 Part 7 for surface spread of flame and also passes Fire Propagation requirement as per BS476 Part 6 to meet the Class ‘O’ Fire category as per 1991 Building Regulations (England & Wales) and the Building Standards (Scotland) Regulations 1990. The base insulation material shall have fire performance of V0, HB as per UL 94, 1996. The insulation material shall be FM (Factory Mutual), USA Approved. Density of laminated insulation material shall be between 50 to 70 Kg/M3. Density of base insulation material shall be between 40 to 55 Kg/M3. The base insulation material shall be dust and fibre free. The base insulation material shall be formaldehyde free. The base insulation material shall be CFC & HCFC free. The base insulation material shall withstand maximum surface temperature of +850C and minimum surface temperature of 00C as per EN 14706. Glass Cloth Treatment: Shall be treated water based acrylic binder to give crisp and non-piling property to the fabric, to help in easy installation, minimize fiber erosion, good aesthetics and resistance to abrasion. Fiber spillage / Thread raveling shall be minimum. Glass Cloth : Weight shall be 205 ± 10 grams per square meter, Tensile Strength shall be 275 ± 25 Kg / 50 mm (minimum) Thickness shall be 0.18 mm / 7 mil (180 Microns). Glass Cloth shall be UV resistance as per ISO 4892-2 Method A. The base material shall have ODP (Ozone Depletion Potential) and GWP (Global Warming Potential) of Zero. Thickness of the insulation shall be as specified for the individual application. The insulation material shall be installed as per manufacturer’s recommendation. The Insulation application shall be supervised by OEM Appointed Application Engineer.
Grille/Diffuser with damper
Aluminum powder coated supply air grille/Diffuser with VCD.
Grille without damper
Aluminum powder coated return air grille without VCD.
Motorized fire damper
Motorized fire damper with Actuator.
ELECTRICAL ITEMS
415V Local Starter Panel
For Air Handling Unit (AHU) and 3 Phase Ventilation fan
415V Local Starter Panel (LSP) 415V, 3 phase, 4 wire, 50Hz Local Starter Panel shall be provided for feeding powers to the motors (above 0.18 KW motor rating) of different general 3 Phase equipment like AHUs. Local Starter Panels will be provided for the individual equipment depending on the motor ratings and locations. Local Starter Panel shall house incoming MCB for incoming power supply, Al Bus Bars, outgoing MCB with DOL &VFD for exhaust fans, auxiliary contactors, thermal overload relays, Start-Stop push buttons and indication lamps for incoming power supply, ON/OFF/TRIP indication lamps, terminal block, wiring for fan motors etc. LSP shall be indoor type, air insulated, natural air cooled, self-supported, wall mounted and metal clad factory assembled with fully wired type tested assemblies. The LSP shall be suitable for bottom Cable Entry. The LSPs shall be front wired and front connected and their enclosure shall be dust and splash proof, conforming to degree of protection of IP-54. Power supply for the modulating valves (3-way) shall be arranged from the respective Local Starter Panels for AHUs. This type of Local starter panel shall be provided for the Air Handling Units of the following areas: VFD make: ABB / YASKAWA)
15 TR AHU of Boiler MCC Building (Ground Floor)
2x40 TR for AHU of Boiler MCC Building (Second Floor)
5.5 TR AHU of ESP MCC Building (Ground Floor)
10 TR AHU of ESP MCC Building (First Floor)
Power Cabling
Power Cabling with associated cable trays
1100 Volt grade, heavy duty power cables with stranded copper / Aluminium conductors, XLPE insulation, extruded PVC inner sheath, round wire armoured and extruded FRLS PVC overall sheath. XLPE insulation shall be suitable for continuous conductor temperature of 90°C and short circuit temperature of 250°C. HRPVC shall be suitable for continuous conductor temperature of 85°C and short circuit conductor temperature of 160°C The minimum size chosen shall be as follows: a) Copper: 2.5 Sq. mm.
Control Cabling
1100 Volt grade, 70°C rating, control cables with stranded copper conductor, PVC insulation. Extruded PVC inner sheath, round wire Armour and extruded FRLS PVC overall sheath. No. of cores of control cables shall be restricted to 3, 5, 7, 12 & 16 including one core as spare. All control cables shall be 3 core 2.5 Sq. mm. copper cable. For details “General Electrical Specification” shall be referred to.
Grounding
Grounding of all drives / equipment from AHU to Starter Panel
ERECTION
AIR HANDLING UNITS
Thick rigid PUF pipe sections and finished with 24G aluminium clading.
Air moving and tonnage capacities shall be as detailed below and final static presssure rating will be provided during detail engineering
ESP AND AHU FIRST FLOOR AHU
Total cooling Capacity: 10 TR Dehumidified air qty: 4000 CFM External Static Pressure: 15 mmWC Chilled Water inlet / Outlet temperature: 7/120C
ESP AND AHU GOUND FLOOR AHU
Total cooling Capacity: 5.5 TR Dehumidified air qty: 2200 CFM External Static Pressure: 15 mmWC Chilled Water inlet / Outlet temperature:7/120C
BOILER MCC 2nd Floor
Total cooling Capacity: 40 TR Dehumidified air qty: 20000 CFM External Static Pressure: 15 mmWC Chilled Water inlet / Outlet temperature:7/120C
BOILER GROUND FLOOR
Total cooling Capacity: 15 TR Dehumidified air qty.: 6000 CFM External Static Pressure: 15 mmWC Chilled Water inlet / Outlet temperature:7/120C
PIPING AND AUXILIARIES FOR AHU
Chilled water piping of MS Heavy Gauge Class-C as per IS-1239, to be fitted between the termination point and HVAC Equipment. The piping shall be complete with necessary valves, bends, fittings, instruments, hangers , with suitable Wooden supports etc.
150 mm dia
80 mm dia
50 mm dia
40 mm dia
32 mmdia
25 mmdia
Insulation for Chilled water pipes - Supply of insulation material as per section 2: clause No.2.6 & Section 3: clause 2.2 Part 4 of Bid document
25 mm dia
32 mm dia
40 mm dia
50 mm dia
80 mm dia
150 mm dia
200 mm dia
250 mm dia
PVC Hard Drawn Drain Pipe Equipment drain piping (PVC Hard Drawn) complete with valves, fittings, hangers / supports etc. up to the nearest drain point provided by the purchaser.
Main Common Header drain Pipe AHUs - 25 mm dia
Branch Drain Pipe for AHUs - 25 mm dia
GI PIPE
Pipe between Make- up water Header -25 mm dia GI pipe (medium class) complete with valves, fittings, hangers /supports etc.
VALVES
Valves of different types and sizes as follows. Chilled water line valves (complete with matching Flange, Nut-Bolts & Gaskets) shall be duly insulated with TF quality expanded polystryene of 50mm thick upto 250mm dia and 80mm thick for 300 mm dia to 600mm dia duly finished with Aluminium cladding with 26G.
BUTTERFLY VALVE (SS CONSTRUCTION)
BALANCING VALVE (SS CONSTRUCTION)
Y - STRAINER (SS CONSTRUCTION)
Ball Valve (SS CONSTRUCTION)
Float Valve (SS CONSTRUCTION)
Duct Work (For Boiler MCC & ESP MCC Building)
GSS supply air ducting (having zinc deposition of at least 180 Gms / Sq. M) complete with vanes, damper with control arrangement at each branch off and wherever necessary, flexible connections of rubberized canvas, hangers / supports etc. Ducting shall be as per IS 655.
GI Ducting - 20 G ducting
GI Ducting - 22 G ducting
GI Ducting - 24 G ducting
Acoustic insulation
Acoustic insulation of 25mm Open type Nitrile rubber foam / XLPE (of density 140 Kg/ Cu.M) to be applied inside first 6M of ducting after AHU .
Thermal insulation
13mm thick Aluminium foil faced Nitrile Rubber/ XLPE thermal insulation of entire supply air duct.
Underdeck Insulation
Insulation material shall be Closed Cell Elastomeric Nitrile Rubber with treated woven glass cloth laminated on one side. (Glass Cloth Colors Available – Red / Blue / Green) Thermal conductivity of the base insulation material shall not exceed 0.035 W/(m.K) at mean temperature of 00C as per EN 12667. Moisture Diffusion Resistance Factor or ‘µ’ value of the base insulation material shall be minimum 7,000 without any external barrier as per EN 12086. Water Absorption by Volume of base insulation material shall be < 0.2% as per ASTM C 1763 / ASTM C 209. The base insulation material shall have fire performance such that it passes Class 1 as per BS476 Part 7 for surface spread of flame and also passes Fire Propagation requirement as per BS476 Part 6 to meet the Class ‘O’ Fire category as per 1991 Building Regulations (England & Wales) and the Building Standards (Scotland) Regulations 1990. The base insulation material shall have fire performance of V0, HB as per UL 94, 1996. The insulation material shall be FM (Factory Mutual), USA Approved. Density of laminated insulation material shall be between 50 to 70 Kg/M3. Density of base insulation material shall be between 40 to 55 Kg/M3. The base insulation material shall be dust and fibre free. The base insulation material shall be formaldehyde free. The base insulation material shall be CFC & HCFC free. The base insulation material shall withstand maximum surface temperature of +850C and minimum surface temperature of 00C as per EN 14706. Glass Cloth Treatment: Shall be treated water based acrylic binder to give crisp and non-piling property to the fabric, to help in easy installation, minimize fiber erosion, good aesthetics and resistance to abrasion. Fiber spillage / Thread raveling shall be minimum. Glass Cloth : Weight shall be 205 ± 10 grams per square meter, Tensile Strength shall be 275 ± 25 Kg / 50 mm (minimum) Thickness shall be 0.18 mm / 7 mil (180 Microns). Glass Cloth shall be UV resistance as per ISO 4892-2 Method A. The base material shall have ODP (Ozone Depletion Potential) and GWP (Global Warming Potential) of Zero. Thickness of the insulation shall be as specified for the individual application. The insulation material shall be installed as per manufacturer’s recommendation. The Insulation application shall be supervised by OEM Appointed Application Engineer.
Grille/Diffuser with damper
Aluminum powder coated supply air grille/Diffuser with VCD.
Grille without damper
Aluminum powder coated return air grille without VCD.
Motorized fire damper
Motorized fire damper with Actuator.
415V Local Starter Panel
For Air Handling Unit (AHU) and 3 Phase Ventilation fan
415V Local Starter Panel (LSP) 415V, 3 phase, 4 wire, 50Hz Local Starter Panel shall be provided for feeding powers to the motors (above 0.18 KW motor rating) of different general 3 Phase equipment like AHUs. Local Starter Panels will be provided for the individual equipment depending on the motor ratings and locations. Local Starter Panel shall house incoming MCB for incoming power supply, Al Bus Bars, outgoing MCB with DOL &VFD for exhaust fans, auxiliary contactors, thermal overload relays, Start-Stop push buttons and indication lamps for incoming power supply, ON/OFF/TRIP indication lamps, terminal block, wiring for fan motors etc. LSP shall be indoor type, air insulated, natural air cooled, self-supported, wall mounted and metal clad factory assembled with fully wired type tested assemblies. The LSP shall be suitable for bottom Cable Entry. The LSPs shall be front wired and front connected and their enclosure shall be dust and splash proof, conforming to degree of protection of IP-54. Power supply for the modulating valves (3-way) shall be arranged from the respective Local Starter Panels for AHUs. This type of Local starter panel shall be provided for the Air Handling Units of the following areas: VFD make: ABB / YASKAWA)
15 TR AHU of Boiler MCC Building (Ground Floor)
2x40 TR for AHU of Boiler MCC Building (Second Floor)
5.5 TR AHU of ESP MCC Building (Ground Floor)
10 TR AHU of ESP MCC Building (First Floor)
Power Cabling
Power Cabling with associated cable trays
1100 Volt grade, heavy duty power cables with stranded copper / Aluminium conductors, XLPE insulation, extruded PVC inner sheath, round wire armoured and extruded FRLS PVC overall sheath. XLPE insulation shall be suitable for continuous conductor temperature of 90°C and short circuit temperature of 250°C. HRPVC shall be suitable for continuous conductor temperature of 85°C and short circuit conductor temperature of 160°C The minimum size chosen shall be as follows: a) Copper: 2.5 Sq. mm.
Control Cabling
1100 Volt grade, 70°C rating, control cables with stranded copper conductor, PVC insulation. Extruded PVC inner sheath, round wire Armour and extruded FRLS PVC overall sheath. No. of cores of control cables shall be restricted to 3, 5, 7, 12 & 16 including one core as spare. All control cables shall be 3 core 2.5 Sq. mm. copper cable. For details “General Electrical Specification” shall be referred to.
Grounding
Grounding of all drives / equipment from AHU to Starter Panel
Bidder Name
Amount in Words
Blue Star Ltd (BID ID -1432307)
TAP ENGINEERING (BID ID -1427836)
Unimech systems private limited (BID ID -1429768)
Unimech systems private limited (BID ID -1429768)
TAP ENGINEERING (BID ID -1427836)
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