West Bengal Industrial Infrastructure Development Corporation-WBIIDC has published Tender For Renovation, Supply, Installation, Testing Commissionig Of Vrf Hvac System In Replacement Of Old Damaged Units At Department Of Industries, Commerce Enterprises, Shilpa Sadan, 4 Abanindranath Tagore Sarani, Kolkata-700016.. Submission Date for this Tender is 16-03-2023. HVAC Tenders in Kolkata West Bengal. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Supply of Top/Side Discharge Type Outdoorunitsequipped with highly efficient Inverter scrollcompressors 990 Steps 10 Hz ~ 110Hz. Each outdoor unit should have minimum 1 nos. variable compressor up to 16 HP,8 nos. variable compressors up to 96 HP capacity with specialShape heat exchanger,Steps speed control DC motor condenserfan , auto checkfunction for connection error, auto address setting and in built Double Stage Oil Separation to ensure minimum oil entrachment and proper lubrication. The condensing units should be capable for outside ambient 52°C. (Make- , Mitsubishi, O-General, Hitachi,). 18 HP |
| 2 | VRF InDoor Units:Supply of Ducted type Indoorunits withaddress setting and capacity as mentioned below. Multi speedmotor,coil sectionwith DXcoil, Metal outer cabinet, drain pan mechanism insulation, pipe connections, fresh air intake connector Pre-Filteretc. of various capacities as per OEM specifications. (Make- , Mitsubishi, O-General, Hitachi,)(i) Cassette Type IDUCapacity 4.0 TR High-Static. |
| 3 | (ii) Hi-Wall Type IDUCapacity 1.5 TR. |
| 4 | VRF Y Joints: Supply of Y shape Multikit Jointssizes as mentioned below. Multikit is consist of 2 nos copper joints (Packed in one box with Model nos) and 2 nos separate insulation suitable for these Joints (packed in one large box). |
| 5 | System Controller: (i) Cordless Remote for the Indoor units. |
| 6 | (ii) Receiver-Kit of IDU |
| 7 | Non-VRF units: Supply of 1.5 Ton capacity wirelessSplit AC as per BEE rating 3 star (B.E.E June 2022 norms) of rated cooling capacity-18000 BTU/hr. with 1 nos. rotary compressor,1nos. . ODU of rated power supply- 230V-1Ph- 50 Hz. Air-flow/per IDU :- 650 CFM.with R-32 Refrigerant.(Make- , Mitsubishi, O-General, Hitachi,) |
| 8 | Supply of TFD HCFC, R-410, Mid Point, 50 Hz, 3 - Phase, 380/420 V , Hermatecally sealed high efficient scrool compressor as per spefication Suction Size (in): Discharge Size (in): 1-1/8Stub 5/8Stub Initial Oil Charge (oz): 60 Oil Recharge (oz): 56 Net Weight (lbs): 85.0 Internal Free Volume (in^3): 248.0 HorsePower 6.0 (Make- Copeland Scroll/Hitachi/Danfoss) |
| 9 | Supply and Charging of Refrigerant: R-22 |
| 10 | Supply and Charging of Refrigerant: R-410A |
| 11 | PART-B: Installation, Testing & Commissioning of Air Conditioning Units: (i) Installation, Testing & Commissioningof 18 HP VRF System complete with IDU/ODU. |
| 12 | (ii) Installation, Testing & Commissioningof 1.5 TR Hi-Wall split unit. |
| 13 | Supply Installation and Testing of Refrigerant pipe line for liquid and suctionline with hard drawn copper piping with supports &brackets. with 19mm/13 mm thick) closed cell elastomeric nitrile rubber tubular insulation between each set of indoor & outdoor units complete with necessary connecting Y joints and other accessories as per specifications, Make- Rajco/Mandev. (i) Ø 28.8 mm O.D..(with 19 mm insulation). |
| 14 | (ii) Ø 25.4 mm O.D..(with 19 mm insulation). |
| 15 | (iii) Ø 22.2 mm O.D..(with 19 mm insulation). |
| 16 | (iv) Ø 19.05 mm O.D..(with 19 mm insulation). |
| 17 | (v) Ø 15.8 mm O.D.(with 19 mm insulation). |
| 18 | (vi) Ø 12.7 mm O.D.(with 13 mm insulation). |
| 19 | (vii) Ø 9.52 mm O.D.(with 13 mm insulation). |
| 20 | (viii) Ø 6.35 mm O.D.(with 13 mm insulation). |
| 21 | Supply & fixing of control cum transmission wiring of Copper conductor cable along with conduit for looping between indoor & outdoor VRF system & to main Central remote controller system. (i) 2 core x 1.0 mm²AI Shilded Copper Communication. |
| 22 | (ii)4 core x 2.5 mm²Copper Communication cable. |
| 23 | Supply & fixingof dia UPVC drain pipes with all necessary hanging arrangements & 9mm Heat Retardant Thermal insulutaion. (i) Dia 32mm |
| 24 | (ii) Dia 25mm |
| 25 | Supply & Fixing of G.I Cable tray for laying and fixing of refrigerant pipes. |
| 26 | Supply & Fixing of Allied Electrical work for HVAC system including MCB, Starter, Plug top, Wiring work. |
| 27 | SITC of heavy duty anti vibrational pad to protect the system from any kind of unwanted vibration. |
| 28 | Modification, Fixing & Mending of existing False Ceiling work after installation of HVAC piping work. |
| 29 | Lifting Shifting of Indoor and Outdoor units, Scafolding, Minor Civil Work for mending the goodsand Carriage ofmaterials. |
| 30 | Dismantlation of Existing old AC units. |
| 31 | Supplying, fabrication & fixing03 Nos. M.S. Angle/M.S C chanel of size (75 mm x 75 mmx6mm) for placingthe outdoor unitof ductablesplit AC incl. drilling 05 nos holes in each Angle including cutting holes into the wall & grouting the same (1:1 ½ :3) etc for Air Conditioning Units. |
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