Tender For Replacement Of Age Old Rac Machines Split By The New Vrf Vrv Ac System At School Education Department, 5Th Floor, South Block, Bikash Bhawan, Salt Lake, Kolkata 700091.--- Supply Installation Testing and Commissioning of Air Conditioning M
Tender Value
Ref. Documents
Estimated cost
Bid Submission
02 Dec 2026
19 days left
EMD
1.03 Lakhs
Bank guarantee accepted
Document Fee
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Non-refundable
Tender Type
Online
Tender Overview
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Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
24 Paraganas North → West Bengal
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Not Available
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Not Available
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Project Description
Tender for Replacement Of Age Old Rac Machines Split By The New Vrf Vrv Ac System At School Education Department, 5Th Floor, South Block, Bikash Bhawan, Salt Lake, Kolkata 700091.--- Supply Installation Testing and Commissioning of Air Conditioning Machines.
BOQ
| Sl. No. | Item Description |
| 1 | Supplying, Installation, Testing & Commissioning of Modular type Variable Refrigerant Flow/Variable Refrigerant Volume air cooled Outdoor units suitable for cooling/heating having 100% hermetically sealed inverter type twin Rotary/Scroll Compressor(s),minimum two compressors (with individual separate PCB) for above 14HP modules, microprocessor based Controller, top discharge type condensing unit(s), with R-410-A Refrigerant or equivalent, vibration Isolators with suitable foundation etc. complete as required. To have better efficiency condenser fan shall be capable to operate at different speed with respect to load.The unit shall deliver the rated capacity and in confirmation as per IS 18728:2024 and CPWD Specifications and work even at 50°C ambient temperature without tripping. The system shall be able to deliver 100% of the rated capacity upto 39 °C. The unit shall be suitable to work on 400V +/- 10%, 3 Phase, 50Hz AC power supply and BMS compatible. The unit shall be filled with first charge of the refrigerant and ready for use as required. The condenser should be coated with a hydrophilic film to prevent water accumulation on the surface of the heat exchanger, enhance water dispersion, and reduce the risk of degradation, thereby improving overall performance and durability. The Indian Seasonal Energy Efficiency Ratio (ISEER) of the unit shall be as per Energy Conservation and Sustainable Building Code (ECSBC) 2024 as below and complete as per CPWD specification, connections, inter connections etc. as required. (For capacity <40 kWr ISEER 7.4, Capacity > 40 and <70 ISEER 7.5, Capacity > 70 ISEER 7.6 for Super ECSBC Building) For Cooling or Heating or Both. [Make- O General/Mitsubishi Electric/ Mitsubishi Heavy/Daikin] [Design may be changed as per OEM, but Outdoor units will not be more than 5 nos.]20 HP X 3 Nos.=60 HP |
| 2 | 10 HP X 2 Nos.=20 HP |
| 3 | Supplying, Installation, Testing and Commissioning of following minimum capacity and external static pressure VRF/VRV ceiling mounted mid static ductable type Indoor unit equipped with washable synthetic media pre-filter, fan section with low noise fan/dynamically balanced blower, multispeed motor, coil section with DX copper coil, electronic expansion valve, corded remote control, outer cabinet, vibration Isolators, drain pan, drain pump, other necessary supports etc., suitable for operation on single phase AC supply 230 V ± 10%, 50 Hz complete as required. The Indoor units must shut down upon receiving a singal from the BMS System/Fire Singnals. The cooling capacity of indoor unit will be at air inlet conditions of 27 0C DB and 19 0C WB temperature. (Make will be same as of Outdoor) Mid static ductable units (minimum 30 to 48 pascal external static pressure)3.2 TR |
| 4 | Supplying, Installation, Testing and Commissioning of following minimum capacity and external static pressure VRF/VRV ceiling mounted mid high static ductable type Indoor unit equipped with washable synthetic media pre- filter, fan section with low noise fan/dynamically balanced blower, multispeed motor, coil section with DX copper coil, electronic expansion valve, corded remote control, outer cabinet, vibration Isolators, drain pan, drain pump, other necessary supports etc., suitable for operation on single phase AC supply 230 V ± 10%, 50 Hz complete as required. The Indoor units must shut down upon receiving a singal from the BMS System/Fire Singnals. The system shall be capable to adjust air flow as per room requirement automatically. The cooling capacity of indoor unit will be at air inlet conditions of 27 0C DB and 19 0C WB temperature. (Make will be same as of Outdoor) High Static Ductable units (minimum 49 to 77 pascal external static pressure)4 TR |
| 5 | Supplying, Installation, Testing and Commissioning of Y/T/Multi Joints. Joints shall be of same Original Equipment Manufacturer (OEM) make as of ODUs and IDUsIndoor Units |
| 6 | Outdoor Multi Joint |
| 7 | Supply, Installation, Testing, and Commissioning of air-cooled Hi-Wall split type air conditioners of following capacities comprising Indoor and Outdoor Units with factory-charged Rotary/Scroll compressors (R-32/R-410A) including surface/concealed copper refrigerant piping insulated with closed-cell elastomeric nitrile rubber insulation and wrapping tape (up to 3 m), FRLS type copper power cable (up to 3.5 m) with suitable plug top, 3 meters of drain pipe, and wireless remote control with suitable battery. The system shall operate on 230V, 50Hz (±tolerance as per applicable standard), single-phase AC supply,providing cooling, dehumidification, and air circulation functions conforming to IS-1391 (Part-II ) with all amendments, and shall be capable of efficient performance at outdoor ambient temperatures up to 50°C, with a minimum 5- year OEM warranty on both the compressor and PCB. The system shall be installed with S&F appropriate fixing arrangements as per OEM recommendations, including wall openings, mending well the damages and making necessary connections including T&P & labour etc as required complete in all respect as per the direction of EIC. [Make- O General/Mitsubishi Electric/Daikin] [For Server room]Cooling Capacity- 5.2 kW (Minimum) , Air Flow Rate:600 CFM (Minimum) |
| 8 | Supplying, Installation, testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRV/VRF system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, insulated with XPLE Class-O tubular insulation/with Class-O closed cell elastometric nitrile rubber tubular sleeves sections of 19 mm thick insulation as given below for Suction and Liquid lines, all accessories as per specifications etc. as required : [Make- Raiku/Totaline]28.58 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm |
| 9 | 22.2 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm |
| 10 | 19 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm |
| 11 | 15.86 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm |
| 12 | 12.7 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm |
| 13 | 9.5 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm |
| 14 | 6.4 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm |
| 15 | S&F of additional following items for length exceeding 3.5 mtr for complete installation and commissioning of aboove AC machines.i) 2.5 sqmm, 3/4 core copper cable (FRLS type) |
| 16 | Supply and Laying of Rigid UPVC Drain Pipe (Medium Class)with respective fittings,proper supports at 5 feet interval and duly insulated with 6mm thick closed ceill nitrile rubber insulation. (Make-Oriplast/Supreme/Astral)25MM |
| 17 | Supply & laying Soft Drawn PVC Drain Pipe 19mm dia with proper supports & brackets as per direction EIC. [Make:- Suprime/Oriplast] |
| 18 | Supply and Pouring of R410A refrigerant gas for entire system including Testing and commissioning of complete VRV system including all indoor units,outdoor units,electricals, remotes etc including pressure testing with nitrogen & vaccumasation. |
| 19 | Supplying & fixing of powder coated extruded aluminium Return Air Grills with louvers but without volume control dampers complete in confirmation to SMACNA/IS and as per specifications complete etc. as required. .(Make:Premier/Systemair/Caryaire/Air Enterprise) |
| 20 | Supplying, Fixing, installation, testing and commissioning of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers in confirmation to SMACNA/IS and as per specifications complete etc. as required.(Make:Premier/Systemair/Caryaire/Air Enterprise) |
| 21 | Supply and fixing Flexible double Canvas connection in between duct & cabinet type inline duct mounted fan. |
| 22 | Supply and fixing flase ceiling at wall height including fixing of frame work made of special sections, power pressed from M.S sheet and galvanised will zinc coating of 150gms/sq.mt. (both side inclusive) as per IS 277 and consisting of angle cleats of size 25mm wide x 1.6 mm thick with flanges of 27mm and 37mm at 1200mm centre one flange fixed to the ceiling with dash fastener 12.5 mm dia x 50mm long with 6mm dia bolts ither flange of clear fixed to the angle hangers of 25 x 10 x 0.50 mm required length with nuts & bolts of required size and other end of angles hanger fixed with intermediate G.I channels 45x15x0.9mm running at the spacing of 1200mm centre to centre,to which the ceiling section 0.5mm thick bottom wede of 80mm with tapered flanges of 26mm each having lips of 10.5mm, at 450mm centre ro centre, shall be fixed in a direction peerpendicular to G.I inetrmediate G.I channels 45x15x0.9 mm running at the spacing of centre to cnetre, shall be fixed in a direction perpendicular to G.I intermediate channel with connecting clips made out of 2.64mm dia x 230mm long G.I wire at every junction, including fixing perimeter channels 0.5mm thick 27mm having flanges of 20mm and 30mm long. Including supply of canvas frame to the both side i.e indoor side and supply grill side. The perimeter of ceiling fixed to wall/ partition with the help of rawl plugs at 450mm centre, with 25mm long dry wall screws@ 230mm interval, including fixing of gypsum board to ceiling section and perimeter channel with the help of dry screws of size 3sx25mm at 230mm ectc, including jointing and frilishing to a flush finish of tapered and square edges of the board with recommended jointing compund jointng tapered and square edges of the board with recommended jointing co,pound inj layers covering up to 150mm on both sides joint and wo coats of primer suitable for board. N.B: (a)Nominal capacity of outdoor units in BOQ at climatic condition of Kolkata taking into consideration of ambient correction factor as per OEM standard to deliver inside tempreature condidtion@22+/- degree centigrade. (b)Supporting document from the OEM for BOQ item Sl. No 1.01 to 1.03 ins respect of EER should be uploaded withthe bide failing which the bid may be rejected. (c) All equipmenst/accessories of thr VRF HVAC Systems should be warranted for minimum (one)year from the date of successful commissioning by the manufacture. (d) The agency must procure the materials frm the Manufacture/OEM or from their authorized.Sales channel so that the standard warranty/ support of the Manufacture/OEM becomes applicable to the products to be delivered and istalled by them. (e) Document that authenticates such procuremenr from the Manufacutre/OEM or form their authorized sales channels and standard warrenty/support should be sent from the e-mail of the Manufature/OEM/authorized sales channel to the e-mail of enginner-in charge and hard copy of it to be submiited during executiong of work/submission of bill. (f) If any refurbished is supplied and isntalled,penal action will be taken as per existing rules. |
| 23 | Supplying and installaton following size of perforated painted with powder coating M.S. cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with two numbers MS/GI Suspenders i/c base of suitable size MS/GI angle, bolts & nuts, painting suspenders, fastener etc as required.100 mm width X 50 mm depth X 1.6 mm thickness |
| 24 | 200 mm width X 50 mm depth X 1.6 mm thickness |
| 25 | Supplying and installation following size of perforated painted with powder coating M.S. cable trays bends with perforation not more than 17.5%, joined with connectors, suspended from the ceiling with two numbers MS/GI Suspenders i/c base of suitable size MS/GI angle, bolts & nuts, painting suspenders, fastener etc as required.100 mm width X 50 mm depth X 1.6 mm thickness |
| 26 | 200 mm width X 50 mm depth X 1.6 mm thickness |
| 27 | Supplying fabrication & fixing of M.S u-channel of 6 mm thick of size (75 mm x 40 mm x 40mm) for making Base Frame/platform for installation of outdoor/Indoor unit of above mentioned AC machines incl. drilling 2 nos holes in each channel, cutting holes into the wall & grouting the same with cement concrete(1:1 1/2:3) etc.fabricated with . horizontal angle of 25 mm x 25 mm x 6 mm and supporting angle of 50mm x50mm x 6mm in each platform in the outer edge for transmitting the load cenrally through 2 nos (50 mm x50mm x6 mm) angle inserted into the existing wall incl. fiber sheet shade as per Direction of E.l.C. The entire structure must be safe to installation of ODU/IDU, as per Direction of E.l.C. |
| 28 | Making one set of scaffolding only for replacing glass panels,painting, uprooting plant and another reparing works only with 10 cm, dia bamboo as main posts ar the rate of 1 meter centre to centre and 7.5 cm. dia bamboo ties @ 0.75 meter apart fitting and fixing with necessary coirm nails etc. as per direction of the engineer-in-charge. (This item should be executed only after prior approval of the Enginner-incharge).Firstly,one nu,ber to be paid and then labour rate for shfiting up to further nineteenth (19) times @ 10% each time to be considered.If necessary further after twenty times of total use, another one number new and labour rate for shifiting to be accordingly (a) 3.9 meter height |
| 29 | MS ladder frame for Pipe lines:-S & F Angle iron bridge made with 40mm x 40mm x 6mm, length 8 mtr aprox and width 12 inches, between ladder perforated tray (200x50x1.25mm) will be fixed. This Ladder will be grouted between coridoor wall & and outside Pillar for laying of refrigerant pipes and drainage pipe to connect the inddor outdoor units. |
| 30 | Dismantling of 1.5 ton/ 2.0 ton Air Conditioner outdoor unit with bracket and indoor unit (Split type) after gas locking arrangement with necessary tools & tackels and store in safe place as per direction of EIC. |
| 31 | Note:- Rate should be quoted inclusive of all taxes and duties including GST. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Nov 05, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedDec 02, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 19 daysDec 04, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 21 daysTender Documents
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