WBPWD/EE/HED/NIQ-31 of 2022-2023

Amount

SITC of Air cooled VRF top discharge type Outdoor Unit each comprising of variable speed all inverter controlled scroll/Rotary compressor, air cooled copper condensor with protective coated fins, mounting frame, micro processor control panel and other standard accessories according to OEM standard. The unit shall be suitable for operation with R-410A refrigerant. Minimum EER at 100% load & at minimum 35 degree centigrade ambient condition should not be less than 10 (Ashree standard table 6.8.1 L). 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 temparature condition @24 ±2 degree centigrade. The outdoor unit should either be a single module or combination of multiple modules and each of the module should contain multiple variable speed inverter type scroll or rotary compressors. The rate is inclusive of anti vibration foot pad, Y conectors at ODU side if any.(Make-Mitsubishi/Blue Star/Hitachi /Toshiba/ Carrier/ Voltas/Daikin)

Supply, Installation, Testing & Commissioning of Ceiling Suspended Compact type(as per site condition) Indoor Units for VRF system & allied accessories : (Make-Mitsubishi/ Blue Star /Hitachi/ Toshiba/ Carrier/Voltas/Daikin)

3.5 KW cooling capacity indoor unit with 360 CFM or better with minimum three steps speed regulator, with chordless remote and noise level less than 36 db.

5.6 KW cooling capacity indoor unit with 540 CFM or better with minimum three steps speed regulator, with chordless remote and noise level less than 38 db.

8.7 KW cooling capacity indoor unit with 740 CFM or better with minimum three steps speed regulator, with chorded remote and noise level less than 48 db.

Supply, Installation, Testing & Commissioning of Refrigerant copper "Y" Joints with copper brezing with nitrile rubber insulation of adequate thickness.

SITC of the of following nominal size of hard drawn copper refrigerent piping System including vaccumiazation and Nitrogen of testing for VRV/VRF AC system, complete with fittings, with adjustable ring type hanger supports, jointing/ brazing including accessories as required at site & approved by EIC, duly insulated with XLPE class -O tubular closed cell elastomeric nitrile rubber insulation (Make : Armacell/ K-flex/ Aeroflex/ A-flex) of 13mm thickness upto 15.9 mm OD Cu pipe & above 19mm thick insulation for higher sizes Cu pipes.

Ф38.1 MM(17.5 SWG or 1.3 mm)

Ф31.8 MM(18.5 SWG or 1.1 mm)

Ф28.6 MM(19 SWG or 1 mm)

Ф25.4 MM(19 SWG or 1 mm)

Ф22.2 MM(19 SWG or 1 mm)

Ф19.05 MM(19 SWG or 1 mm)

Ф15.9 MM(19 SWG or 1 mm)

Ф12.7 MM(21 SWG or 0.8 mm)

Ф9.53 MM(21 SWG or 0.8 mm)

Ф6.35 MM(21 SWG or 0.8 mm)

Supply, Installation, Testing & Commissioning of split type AC machines having Cooling Capacity range (5.2 kw - 5.3 kw), with fixed speed rotary compressor, refrigerant gas R32/R410 BEE star rating -3 (EER range 3.5 to 3.99), Air flow range CFM (560-600), both condenser and cooling coils made of copper tube connecting chord with plug top confirming to IS 1391 (Part-I & Part-II) with all amendments (Make- Mitsubishi Electric/Daikin/O-General/ Carrier/ Voltas/ Blue Star/LG/Panasonic/Hitachi/ Mitsubishi Heavy) [The indoor unit should be sheet metal enclosure having high static delivery of air ]

Supply and Laying of Rigid PVC Drain Pipe (Medium Class)with respective fittings ,proper supports at 5 feet interval and duly insulated with 6 mm thick closed cell nitrile rubber insulation. (Make : Oriplast/ Supreme/ Filolex/ Ashirbad/ Astral)

25 mm dia

32 mm dia

Supply and charging 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.

Supply & Fixing of perforated GI cable tray with perforation not more than 17.5% suspended from ceiling incl. S&F GI connector, 6mm dia MS suspender, bolts & nuts, steel fastener etc. as required of the following size. Incl. Al painting of MS support. With 25x25x3mm angle iron support.

SITC including vaccumiazation and Nitrogen of testing of following nominal size of soft drawn copper refrigerent piping for package for Split AC system, complete with fittings, with adjustable ring type hanger supports, jointing/brazing including accessories, of specified thickness as given below for suction and liquid lines, all accessories as per specification etc. as required with nitryle rubber insulation of 13 mm thickness.

1/4" (6.35mm ) dia 0.8 mm thick soft drawn copper pipe.

1/2" (12.7 mm) dia 0.8 mm thick soft drawn copper pipe.

Supply, erection & installation of fabricated MS Structure comprised of 'I'section Beam , 'C' channel, MS flat etc for platform suitable for mounting Outdoor unit including painting by anti-corrosive paint over RO primer including wall cutting, grouting with cement concrete, as per direction of EIC.

Supplying and fixing 4 way MCB SS enclosure with IP-20/30 protection, powder coated provision for four pole RCCB 30mA sensityvity, on wall and to be fixed inside SMCJB (approved make) mending goods the damages to original finish incl. painting, connection & provision for earthing attachment. incl. 32A FP RCCB.(Legrand/ABB/SIEMENS/L&T)

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 25mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required

4 x 84/0.3 (6 sqmm) + 2 x 56/0.3 (4 sqmm) ECC

Supplying & Laying of flexible copper wire of 4C 2.5 Sq.mm shielded copper control cable. Control cable between the indoor units and the outdoor units.

S &F of 250V, 25A single timer controlled starter for AC machine control in SS double door 14-Way DB enclosure (L&T/ ABB/Legrand/Siemens make) with S &F following electrical accessories & front door locking arrangement with all connection by finishing the ends of 2x4 & 1x2.5 sq.mm copper wire with dowels sholderless socket by crimping method as to GS, earthing attachment on wall incl. necessary connections as per direction of EIC. A. 25A DP MCB (Legrand/ABB/SIEMENS/L&T)-1 No B. 24 Hr. x 7days programmable Digital timer (Legrand/ABB/SIEMENS/L&T)-1No C. 2 Pole Power contactor - 1 No D. 2 Moduler AC motor starter (Legrand/ABB/SIEMENS/L&T)-1 No. E. 1 Moduler 10A Moduler switch (Legrand/ABB/SIEMENS/L&T)-1 No. F.3 Module plate with cover (Legrand/ABB/SIEMENS/L&T)-1 No. G.25A Auto-Off-Bipass SPDT toggle switch (Approved make)-1 No. H. LED indication lamp (Approved make)-2 No. I. Outgoing connector(Approved make)-2No

Terms and condition A. The Agency must procure the materials from the Manufacturer / OEM or from their authorised sales channel so that the standard warranty / support of the Manufacturer / OEM becomes applicable to the products to be delivered and installed by them. B. Documents that authenticates such procurement from the Manufacturer / OEM or from their authorized sales channel and standard warranty / support should be sent upon award of the contract from the e-mail of the Manufacturer / OEM / authorized sales channel to the e-mail of Engineer-in-Charge and hard copy of it to be submitted during execution, of work/submission of bill. C.If any refurbished material is supplied and installed, penal action will be taken as per existing rules

NB:Any pre-bid query shall have to be brought into notice of this office for deviation/correction if any with due recommendation of TIA.

a) Rate should be quoted include all taxes, other charges & L.W.C (if any).

AIRCARE ENTERPRISES

ABS Aircon pvt ltd

CARRION AIR COOLING

AERIZO TECHNOLOGIES