Supplying and Installing of Air Condition System, Light etc.(3rd Floor and 4th Floor reception area) as and where required in the Administrative Office of WBBPE at Saltlake,Kolkata-700091-- SITC of AC Machine

Supply, Installation, Testing & Commissioning of Air cooled VRF/VRV 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 considertion of ambient corretion factor as per OEM standard to deliver inside temperature condition @22 ± 2 degree centigrade. The outdoor unit should either be a single module or combination of mutiple modules and each of the module should contain multiple variable speed inveter type scroll or rotary compressors. The rate is inclusive of anti vibration foot pad, Y conectors at ODU side if any. (Make : Mitsubishi Electric/Mitsubishi Heavy/O-General). 44 HP (12+14+18HP) a) Do---Do----Do 12 HP

b) Do---Do----Do 14 HP

c) Do---Do----Do 18 HP

Supply, Installation, Testing & Commissioning of VRF/VRV Indoor Units & accessories: (Make: Mitsubishi Electric/Mitsubishi Heavy/O-General the make of VRF/VRV ODU unit) a) 3.6 KW cooling capacity indoor unit in 4-Way Compact Cassette type with 335 CFM or better with minimum three steps speed regulator, with chordless remote and noise level less than 36 db.(One Separate Chamber)

b) 5.6 KW cooling capacity indoor unit in 4-Way Compact Cassette type with 459 CFM or better with minimum three steps speed regulator, with chordless remote and noise level less than 36 db.(President Anti Chamber,Goutam Sir Chamber,Reception)

c) 7.1 KW cooling capacity indoor unit in 4-Way STD. Cassette type with 671 CFM or better with minimum three steps speed regulator, with chordless remote and noise level less than 36 db.(President Separate Unit,Deputy Secretary,Conference,1st Floor)

d) 11.2 KW cooling capacity indoor unit in 4-Way STD. Cassette type with 1024 CFM or better with minimum three steps speed regulator, with chordless remote and noise level less than 36 db.(President,Secretary,Open Section)

Supply, Installation, Testing, and Commissioning of 440V, 1-Ph/3-Ph, 50 Hz Inverter Type Ceiling suspended Cassette type Air conditioners complete with wireless Remote having the capable of performing of cooling capacity 48000 BTU/hr or 14068 W (Minimum), dehumidification, air circulation, R- 32/R-410A Green Refrigerant and variable speed Scroll compressor with 100% copper condenser coil with anti-corrosion coating, ISEER more than 5 and Air flow rating 1475 CFM (Min) including Printed Circuit Board (PCB) with metal enclosers and min 5 year Original Equipment Manufacturer (OEM) warranty both compressor and PCB and maintaining the noise level between 35 dB to 45 dB at inside the room is acceptable. The unit shall be in confirmation with IS 1391 Part-II 2023.The system shall be able to deliver 100% of the rated capacity upto 42 degree C and operate up to 52 degree C ambient temperature.(Make : Mitsubishi Electric/Mitsubishi Heavy/O-General).

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. Cooling Capacity- 6.1 kW (Minimum) , Air Flow Rate:800 CFM (Minimum)Minimum ISEER - 5.0, BEE level - 4-Star(min) (Make -Mitsubishi Electric RJS22VF/ Mitsubishi Heavy SRK24YYM-W6/ O General ASGGA24CPTBB (R32)As per choice of E.I.C.(One for President chamber and Another for Secretary Chamber)

SITC including vaccumiazation and Nitrogen of testing of following nominal size of soft/hard drawn copper refrigerent piping forpackage/VRV/VRF/RAC system, complete with fittings, with adjustable ring type hanger supports, jointing/brazing including accessories, insulated with XLPE class -O tubular insulation/with Class-O closed cell elastometric nitrile rubber tubular sleeves sections of specified thickness as given below for suction and liquid lines, all accessories as per specification etc. as required. 5/8" (15.86 mm) dia (Soft drawn) Cu. Pipes (As per standard BS864 or ANSIB 16.22) mm incl.19mm thick insulation.