bids are invited for lifting, shifting, servicing, installation and testing of 5.5 tr ductable air conditioning units with supply and fixing of ms fabricated stands. other details as specifies in tender specification , lifting, shifting, servicing, installation and testing of 8.5 tr ductable air conditioning units with supply and fixing of ms fabricated stands. other details as specifies in tender specification. , supply, installation and testing of 0.625 inch seamless soft or hard copper refrigerant piping with 19 mm thick insulation. , supply, installation and testing of 0.875 inch seamless hard copper refrigerant piping with 19 mm thick insulation. , supply, installation and testing of 1.125 inch seamless hard copper refrigerant piping with 19 mm thick insulation. , supply, fabrication, installation and testing of 22 or 24 swg gi sheet metal rectangular ducts as described in technical specifications. , supply and fixing of thermal insulation for sa duct by minimum 9 mm thick elastomeric nitrile rubber as described in technical specifications. , supply and fixing of acoustic insulation lining in sa duct by minimum 10 mm thick open cell structure, armasound or equivalent insulation as described in technical specifications. , supply, fixing and testing of required size flexible canvas connections constructed of fire resistant flexible double canvas sleeve. , supply and installation of supply air dampers of 400 mm x 400 mm or required size aluminium opposed blade flanged type aerofoil or airfoil design. , supply and installation of plate mounted axial fan of approx. size 400x400 and 750 cfm with static pressure more than 40 pascal single phase low noise with speed controller. , supply, installation and testing of suitable size powder coated extruded aluminium supply air grills or diffuser without volume control damper provided in supply air duct. , supply, fixing, testing and balancing of suitable size volume control damper in supply air duct cut out of size approx. 650x150 mm. , providing and fixing in position of 20 mm dia. c-pvc or u-pvc condensate pipes with 9 mm thick nitrile insulation. , supply, fabrication and fixing of ms structural steel of required size and shape with painting. , installation and testing of fim items and minor civil works as specified in tende