SITC of 05 Five Nos Conventional Split type AC machine in Bar council room at Ground floor of Main Building in the Complex of Directorate of Commercial Taxes Government of West Bengal at 14 Beliaghata Road Kol 700015

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:784-800 CFM (Minimum) Minimum ISEER - 4.67-5.0, BEE level - 4-Star(min) (Make-Mitsubishi Electric MSY-GR22VFT / Mitsubishi Heavy -SRK24YYM-W6/O-General -ASGG24CGAA-B (R32))

Supplying, Installation, testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for Split ty Air Conditioning 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.(additional for length exceeding 3 mtr per Machine) as required : a)6.4 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm.

12.7 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm

S&F of additional following items for length exceeding 3.5 mtr for complete installation and commissioning of above AC machines. i) 2.5 sqmm, 3/4 core copper cable (FRLS type)

Extra For Supplying & laying additional Soft Drawn PVC Drain Pipe 19mm dia with proper supports & brackets as per direction EIC

Hirimg charges for Lifting of AC machines(2Tr. Capacity split type AC machines) incl all ODUs and IDUs with all necessary items as required for AC machine installation at different places of the building incl. dismantling the at end of work as per direction by EIC.