Replacement of old VRF type AC Machine by new Conceal Split and Cassette type AC Machine with allied Electrical Works at Seminar Hall Senior Special Secretary Chamber Additional Secretary Chamber at Department of Sundarban Affairs Mayukh Bhawan

Supply, Installation, Testing & Commissioning of of Microprocessor based air cooled 3.0 TR ceiling suspended Concealed type Air Conditioner with R-32/R410A Gas, having cooling capacity of (10 KW to 11 KW), Min. CFM-848, noise level less than 50 dBA with Fixed speed/ Inverter type single/multiple Rotary/Scroll Compressor suitable for operation on 415V-50 Hz-3 Ph AC supply for outdoor. Make-Mitsubishi Electric Cat No-PE-M48JAK-DA/3TR or Similar of Mitsubishi Heavy FDUM100CR-S/O-General

Supply, Installation,Testing and Commissioning of 2.0 TR 4 way ceilling Cassette type AC machine having Cooling Capacity range (6.6 kw -7.1 kw) with variable speed Rotary compressor, Refrigerant gas R32/ R410A, BEE star rating - 3, (ISEER range 4.5 to 4.99), Air flow range CFM (565 - 810 or better), 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 PLYSP24EA / Mitsubishi Heavy / O General ) as per choice of E.l.C.

Supply, Installation,Testing and Commissioning of 1.5 TR 4 way ceilling Cassette type AC machine having Cooling Capacity range (2.8 kw -5.3 kw) with variable speed Rotary compressor, Refrigerant gas R32/ R410A, BEE star rating - 3, (ISEER range 4.5 to 4.99), Air flow range CFM (565 - 740 or better), 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 PLYSP18EA / Mitsubishi Heavy / O Genera ) as per choice of E.l.C.

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" (15.88 mm) dia (Soft drawn) Cu. Pipes (As per standard BS864 or ANSIB 16.22) mm incl.19mm thick insulation.

3/8" (9 mm) dia (Soft drawn) Cu. Pipes (As per standard BS864 or ANSIB 16.22) mm incl.19mm thick insulation.

1/4" (6.4 mm) dia (Soft drawn) Cu. Pipes (As per standard 85864 or ANSIB 16.22) incl. 19 mm thick insulation.

Supply and laying of 1.1 kV grade copper unarmoured round cable of 4 core 2.5 sq. mm from IDU Unit to ODU Unit for the above mentioned AC Unit.[Make:- Polycab/Havells/Gloster/Finolex/KEI/RR Kabel/As per choice of EIC]

Supply and laying PVC Drain Pipe 25mm dia with 6 mm thick Nitrile Rubber Insulation. [Make:- Suprime/Oriplast]

Supply and Charging Refrigerent-410A/R32

Supply and Fixing Alluminium Continous Grill(Make-System Air/Premire/Air master)