SIT and C of Air Conditioning Machine in O Cell of State Vigilance Commission at 1st Floor East Block of Bikash Bhawan Salt lake700091.

Supply, Installation , Testing & Commissioning of of Microprocessor based air cooled 2.5 TR to 3.0 TR. ceiling suspended Concealed type Air Conditioner with R-32/R410A Gas, having cooling capacity of 8.8 kW to 10.4 KW, Min.CFM- 840, noise level less than 50 dBA with Fixed speed/ Inverter type single/multiple Rotary/ Scroll Compressor, suitable for operation on 220-240V 50Hz.,1Ph/415V - 50 Hz - 3 Ph AC supply for outdoor. Make :-Mitsubishi Electric Cat No- PE-M30JAK-DA/2.5TR or Similar of Mitsubishi Heavy FDUM100CSV-S6 / O-General.

Supply,Installation & commissioning of hard copper refrigerant piping, complete with fittings Elbows, Bends, supporting arrangement on walls for ductable split A.C. (a) Liquid Line Hard CU, pipe minimum Thickness 1.15 mm. following Dia .[ Make Royku / Totaline/ Mandeep] with 13 mm. thick nitrile tube insulation.[ Make Aroflex / Acoflex] (i) 9.52mm dia

(b) Gas Line Hard CU, pipe minimum Thickness 1.15 mm. following Dia .[ Make Royku / Totaline/ Mandeep] with 13 mm. thick nitrile tube insulation.[ Make Aroflex / Acoflex](i) 15.88 mm dia

DRAIN PIPING: Supply & laying drain Water piping work out of UPVC(Make Skipper / Supreme / Florex) incl. fitting , accessories bends, elbows, tees, flanges, tapings, etc. insulated with 9mm. Thick nitrile rubber tube insulation. 25 mm Dia

CABLING WORKS: 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) (Make:Finolex/KEI/Polycab/Mescab/gloster/RR Kable/Havells)

REFRIGERANT Supply & Charging Refrigerant - 410 A/R32

Supply & Fixing of 150x50x1.25mm (18SWG) 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.(Without Iron Angle Support)

Supply & Fixing of 150x50x1.25mm (18SWG) perforated GI cable tray bend with perforation not more than 17.5% suspended from ceiling with two nos. suspenders & 25x25x3mm angle iron for supporting the cross member 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.

FRAME WORK: Supply, fabrication and installation of MS base frame for 2.5 TR to 3 TR Air conditioner outdoor units.:- Supplying,fabrication & fixing 3Nos. M.S u-channel of 6 mm thick of size (75mm x40mm x 40mm) of 1m. Length for making platform for installation of outdoor unit of 2.5 TR to 3 TR concealed split AC incl. drilling 2nos. Holes in each channel including cutting holes into the wall & grouting the same with Cement concrete ( 1:1 1/2 :3) etc. fabricated with horizontal angle of 25mm X 25mm x 6mm including supporting angle 50mm X 50mm X 6mm in each platform in outer edge, for transmitting the load centrally through 2Nos. (50mm x 50mm x 6mm) Angle inserted into the exiting wall. The entire platform should be baricated & safe for ODU maintaince.

Making one set of scaffolding only for replacing glass panels, painting, uprooting plant and another repairing works of building and S&P works for external works only with 10 cm. dia bamboo as main posts at the rate of 1 metre centre to centre and 7.5 cm. dia bamboo ties @ 0.75 metre apart fitting and fixing with necessary coir, nails etc. as per direction of the Engineer-incharge. (This item should be executed only after prior approval of the Engineer-incharge). Firstly, one number to be paid and then labour rate for shifting 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 shifting to be considered accordingly. (a) 3.9 meter height.