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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹5.0 LAccepted-Finance BANDHGORA P O BOLPUR DIST BIRBHUM | BOLPUR | BIRBHUM | WEST BENGAL | 731204 | L1 | Accepted-Finance L1 | |
| 2 | L2₹5.0 L+₹25 (<0.01%)Rejected-Finance 131 NILMONI BHATTACHARJEE LANE KADAL BERHAMPORE MURSHIDABAD W B PIN 742102 | BERHAMPORE | MURSHIDABAD | WEST BENGAL | 742102 | L2 | Rejected-Finance L2 | |
| 3 | L3₹5.0 L+₹50 (0.01%)Rejected-Finance WEST BENGAL | MEDINIPUR EAST | WEST BENGAL | 721130 | L3 | Rejected-Finance L3 |
| Sl No | Description | Qty | Unit | SANJIB GHOSH L2 | ARIJIT GHOSH L1 | SOUMEN KUMAR DAS L3 |
|---|---|---|---|---|---|---|
| 1.00 | 1. System Overview
• System Type: Air-cooled, direct expansion (DX) VRF Heat Pump system (or Heat Recovery for simultaneous heating/cooling).
• Refrigerant: R-410A (Environmentally friendly).
• Capacity Modulation: 10% to 100% capacity control via inverter-driven scroll compressors.
• Operating Ambient: Capable of operating between -5°C to 48°C (cooling/heating).
2. Outdoor Units (Condensing Units)
• Compressor: 100% DC Inverter Scroll Compressors, factory-assembled, weatherproof casing (heavy gauge steel).
• Performance: Minimum COP of 3.5 at 100% load.
• Features: Automatic oil balancing, liquid injection for high ambient cooling, oil separators for each compressor.
• Mounting: Vibration isolators (rubber/spring type), MS base frame/pedestal on roof/ground.
• Electrical: Weatherproof MCB/MCCB enclosure, 3-phase power, 4-pole isolator near units.
3. Indoor Units (Fan Coil Units)
• Types: High wall mounted, 4-way Cassette, Concealed Ductable (High/Low Static), Floor Standing.
• Component: Factory-fitted electronic expansion valve (EEV).
• Features: Inbuilt drain pump (for cassettes), anti-microbial filters.
• Control: Wireless/Wired LCD remote controller, ability to set individual zone temperature.
• Fixing: Threaded rods, clamps, and support framework for ceiling suspension.
4. Refrigerant Piping System (Copper)
• Material: Seamless copper pipes, ASTM B280, Type 'L' or 'K'.
• Insulation: 19 mm (or 25mm for high ambient) thick Nitrile Rubber Insulation (closed cell) on both suction and liquid lines.
• Joints/Fittings: Factory-manufactured branch joints (Y-joints or Refnet joints).
• Fixing: MS hangers, clamps, and supports for piping.
• Installation: Brazing with nitrogen purging to prevent oxidation.
5. Drain Piping
• Material: Rigid UPVC Pipes (IS: 4985 - Class I).
• Insulation: 9 mm thick closed cell nitrile rubber insulation.
• Fixing: Supported with proper slope (>1%) to avoid water stagnation.
6. Control and Communication Wiring
• Cable Type: 2-core x 1.5 sqmm shielded twisted pair copper cable for transmission.
• Conduit: PVC conduit (25mm dia) for all control cabling (surface/recessed).
• Isolation: Separate routing for power and communication cables to avoid interference.
7. Electrical Power & Controls
• Power Cable: XLPE insulated aluminium armored cable (suitable sizes, e.g., 4C x 10 sqmm).
• Safety: Earthing with 6 SWG GI wire.
• Central Control: Centralized intelligent touch-screen controller for managing multiple indoor units.
8. Installation, Testing & Commissioning
• Pressure Testing: Nitrogen leak test at 550 PSIG for 24 hours.
• Vacuumization: Deep vacuum to 500 microns.
• Charging: Top-up refrigerant R-410A based on calculated pipe length.
• Testing: 14-day performance/reliability run test.
9. Estimation Considerations (Fittings & Fixing Materials)
• Refrigerant Joints: Y-joints (Refnets) for branch piping.
• Piping Support: Hangers, U-clamps, and threaded rods.
• Insulation Tape: Nitrile rubber tape for joints.
• Finishing: White cement or sealant for wall openings.
• Cable Trays: GI perforated cable trays for exposed wiring/piping.
Note: All materials should comply with BIS standards and Manufacturer's guidelines. Rate inclusives GST and labour cess. | 1 | Each | 4,95,025 ₹4,95,025 | 4,95,000 ₹4,95,000 Lowest | 4,95,050 ₹4,95,050 |
Tender Value
Refer Docs
EMD Value
₹5,000
Closing Date
7 Apr 2026, 6:00 pmClosed
Chairman Bolpur Municipality
Bolpur Municipality
VRVAC systems for Bolpur Munucipality Utsarga Auditorium (West Side) under Bolpur Municipality.(Rate shall be quoted as per drawing and design ) (including all Taxes And GST)
2026_MAD_1022330_4
NIQ-08/2025-26 memo no-4735/PWD/BM/2025-26 Date-13.03.2026
Open Tender
ELECTRICAL WORKS ORG
Item Rate
30 days
Chairman Bolpur Municipality
Please refer Tender documents.
4 documents required · 4 mandatory
₹0
₹5,000
3 Jun 2026
13 Mar 2026
9 Apr 2026
13 Mar 2026
7 Apr 2026
14 Mar 2026
Select, Excess (+), Less (-) Less (-)
Tender Inviting Authority: Chairman, Bolpur Municipality
Name of Work:VRVAC systems for Bolpur Munucipality Utsarga Auditorium (West Side) under Bolpur Municipality.(Rate shall be quoted as per drawing & design ) (including all Taxes And GST)
Contract No: NIQ-08/2025-26
Name of the Bidder/ Bidding Firm / Company :
Sl. No. Item Description Item Code / Make Quantity Units Estimated Rate Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency BASIC RATE In Figures To be entered by the Bidder Rs. P Excise Duty VAT Freight Charges ( Unloading & Stacking) Any Other Taxes/Duties/Levies Other Taxes 2 IIIrd Party i.e DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit,if any respect of Supplies Under full Excise Duty Category
1 1. System Overview • System Type: Air-cooled, direct expansion (DX) VRF Heat Pump system (or Heat Recovery for simultaneous heating/cooling). • Refrigerant: R-410A (Environmentally friendly). • Capacity Modulation: 10% to 100% capacity control via inverter-driven scroll compressors. • Operating Ambient: Capable of operating between -5°C to 48°C (cooling/heating). 2. Outdoor Units (Condensing Units) • Compressor: 100% DC Inverter Scroll Compressors, factory-assembled, weatherproof casing (heavy gauge steel). • Performance: Minimum COP of 3.5 at 100% load. • Features: Automatic oil balancing, liquid injection for high ambient cooling, oil separators for each compressor. • Mounting: Vibration isolators (rubber/spring type), MS base frame/pedestal on roof/ground. • Electrical: Weatherproof MCB/MCCB enclosure, 3-phase power, 4-pole isolator near units. 3. Indoor Units (Fan Coil Units) • Types: High wall mounted, 4-way Cassette, Concealed Ductable (High/Low Static), Floor Standing. • Component: Factory-fitted electronic expansion valve (EEV). • Features: Inbuilt drain pump (for cassettes), anti-microbial filters. • Control: Wireless/Wired LCD remote controller, ability to set individual zone temperature. • Fixing: Threaded rods, clamps, and support framework for ceiling suspension. 4. Refrigerant Piping System (Copper) • Material: Seamless copper pipes, ASTM B280, Type 'L' or 'K'. • Insulation: 19 mm (or 25mm for high ambient) thick Nitrile Rubber Insulation (closed cell) on both suction and liquid lines. • Joints/Fittings: Factory-manufactured branch joints (Y-joints or Refnet joints). • Fixing: MS hangers, clamps, and supports for piping. • Installation: Brazing with nitrogen purging to prevent oxidation. 5. Drain Piping • Material: Rigid UPVC Pipes (IS: 4985 - Class I). • Insulation: 9 mm thick closed cell nitrile rubber insulation. • Fixing: Supported with proper slope (>1%) to avoid water stagnation. 6. Control and Communication Wiring • Cable Type: 2-core x 1.5 sqmm shielded twisted pair copper cable for transmission. • Conduit: PVC conduit (25mm dia) for all control cabling (surface/recessed). • Isolation: Separate routing for power and communication cables to avoid interference. 7. Electrical Power & Controls • Power Cable: XLPE insulated aluminium armored cable (suitable sizes, e.g., 4C x 10 sqmm). • Safety: Earthing with 6 SWG GI wire. • Central Control: Centralized intelligent touch-screen controller for managing multiple indoor units. 8. Installation, Testing & Commissioning • Pressure Testing: Nitrogen leak test at 550 PSIG for 24 hours. • Vacuumization: Deep vacuum to 500 microns. • Charging: Top-up refrigerant R-410A based on calculated pipe length. • Testing: 14-day performance/reliability run test. 9. Estimation Considerations (Fittings & Fixing Materials) • Refrigerant Joints: Y-joints (Refnets) for branch piping. • Piping Support: Hangers, U-clamps, and threaded rods. • Insulation Tape: Nitrile rubber tape for joints. • Finishing: White cement or sealant for wall openings. • Cable Trays: GI perforated cable trays for exposed wiring/piping. Note: All materials should comply with BIS standards and Manufacturer's guidelines. Rate inclusives GST and labour cess. 1 Each 1 Excess(+) Full Conversion INR
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