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| 1 | Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required. |
| 2 | Thickness 0.63 mm sheet |
| 3 | Thickness 0.80 mm sheet |
| 4 | Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specifications. |
| 5 | Supply, installation, testing and commissioning of GI volume control duct damper complete with neoprene rubber gasket, nuts, bolts, screws, linkages, franges etc as per specification |
| 6 | Supplying,Installation,TestingandCommissioningof 22 TR VOLTAS Make 407 C refrigerantbasedpackaged Unit\"sIndoor part consistingof2 Nos. scroll compressors, cooling coils, Blower Motor controlling electric panel compatiblewith existing 2 X 11 TR condensing unit\"sheat rejection, dimensions&specificationsi/cdismantlingofindoor unit along with necessary refrigerant piping, after re-installation of indoor unitPressuretestingofNewinstalled22TR PTAC plants indoor unit,LeakDetection,Brazing,flushing&vaccumizing thesystemand charging of refrigerant etc. complete as required. |
| 7 | Cleaning of inside surface of supply air ducts including removal , cleaning and reinstallation of all grills & Diffuser of HVAC system by using, high power vacuum, air compressor, robotic camera, air gun, air sweep with other required accessories giving /showing inspection of dust before and after cleaning of duct. |
| 8 | Replacement of refrigerant hard copper piping sizing dia 1/1/8\" of 18 Gauge wall thickness fixing with necessary elbows sockets etc. complete in all respect complete as required. |
| 9 | Replacement of refrigerant hard copper piping sizing dia 5/8\" of 18 Gauge wall thickness fixing with necessary elbows sockets etc. complete in all respect complete as required. |
| 10 | Charging of Refrigerant 407 C after reinstallation Pressure testing, plants, Leak Detection, Repairing, flushing & vaccumizing the system of condenser/ Cooling Coils in the units of damage 11 TR Circuits of 22 TR PTAC etc. required as per site |
