SITC of AC Machines in different room of Babasaheb Ambedkar Government Polytechnic College at Betai Nadia--SITC of concealed type split airconditioners

Part-A (For Computer Lab) Supply & Fixing of 7.5 TR capacity concealed type Split Air Conditioner of rated Cooling capacity of 90000 BUT/hr. With 3 Nos. Twin rotary compressor, 3 Nos. IDU of rated power supply-230V-1 ph-50Hz., 1 No. ODU of rated power supply-400V-3ph-50Hz. Air flow/per IDU:-1000CFM with R410A ( Make – HITACHI/Mitsubishi/ogeneral )

Erection testing commissioning of concealed type split air conditioner by tie rod angle bullet and fastner with ceiling. (1machine=3 IDUs and 1 ODU)

Supply,fabrication & fixing of 3 nos M.S. Angle/M.S.U. Channel of size(50mm x50mm x6mm) for placing the outdoor unit of HAT & Concealed type Air Conditioning Machines incl. drilling 05 nos holes in each angle including cutting holes into the wall & grouting the (1:1 1/2 :3) etc. for Air Conditioning Units.Supplying,fabrication & fixing 4 Nos. M.S. u-channel of 6mm thick of size(50mm x 40mm x40mm)& ISA 50 x50x6 mm for making Base frame table type for installation of incl. drilling 2 nos. holes in each channel.

Supply & filling of Compressor mounting rubber to resist shock of the compressor during running ( 3 Nos. = 1 Set)

Supply and fitting of 5/8” and 3/8” Copper pipe line including 9mm nitrile tube insulation pipe and cable 4 core 2.5 Sq.mm for concelaed split AC machines. Including Supply & fitting of insulated Wrapping tape twice to avoid pricking of crow & rat.

Supply & filling of Refrigerant Gas.(R410A)

Charges for scaffolding arrangement including lifting for Outdoor & Indoor units of 7.5TR Concealed type A.C. Machine.

Part-B (For Principal Chamber) Supply, Installation, Testing & Commissioning of split type AC machines having Cooling Capacity range (6.6 kw - 7.0 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 (780- 850), both condenser and cooling coils made of copper tube connecting chord with plug top confirming to IS 1391 (Part-I & Part- II) with pre-fabricated angle iron chair & mending works (Mitsubishi Heavy Industries make,Model-MITSUBISHI HEAVY DUTTY NON INVERTER SERIES HI-WALL AC, Cat no.-SRK24CW-S6 or equivalent of Mitsubishi Electric/Daikin/OGeneral /Carrier / Voltas/ Blue Star/Hitachi as per choice of EIC)

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. including 1/4" (6.4 mm) dia (Soft drawn) Cu. Pipes(As per standard BS864 or ANSIB 16.22) incl. 19mm thick insulation.

Supply & drawing 3 core 2.5 sq. mm. P.V.C. insulated copper cable (Brand approved by EIC) with appropriate size copper lag for connection of indoor & outdoor unit as per direction of EIC.

Supply & Laying of Drain Water piping work out of PVC / HDPE hard pipes of 20 mm sizes incl. fitting, accessories, bends, elbows, tees, cutting the floor by expert labour & mending good the damages.

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