Repairing of Ext.electrical HVAC installations

Amount

Supply and applying of Fire resistant (UL 723) protective coating ( VB-95 or equivalent ) used for ptotection of Thermal Insulation of chilled water pipes , of approved colour/shade on existing insulated chiller pipes and exitsing condenser piping of various sizes using glass cloth for reinforcement, suitable adhesive with two or more coats of the protetcive coating ,including cleaning the surface,scraping out outlived tar-felt/prepare the surface to have adequate bond with the insulation, repairing of existing damaged insulation using cement plaster/wall putty/white cement, wherever required. The application of the protetcive coating shall be as mentioned in technical specification and/or as per manufacturer recommendation to the satisfaction of engineer in charge.

Supply and applying of Fire resistant (UL 723) protective coating ( Starbond 30-36 or equivalent ) used for ptotection of Thermal Insulation on existing GI exhaust/fresh air ducts of assorted sizes at various locations, using suitable adhesive with two or more coats of the protetcive coating including cleaning of surface wherever required. The application of the protetcive coating shall be as mentioned in technical specification and/or as per manufacturer recommendation to the satisfaction of engineer in charge.

Spray painting with two or more coat of synthetic enamel paint of approved brand, manufacturer and colour to give an even shade in the linear continuous grills and diffusers of assorted size of HVAC system, distribution boards,Fire hydrant Pipes, Internal & External Electrical panels/ Junction boxes/feeder pillars, etc. provided in the Terminal Buildings, Technical Block and other Ancillary Buildings with cleaning the surface, applying two or more coats of primer wherever necessary including removing, shifting of installations from existing site to a suitable site for painting where ever required.Scope also includes re-lettering/lettering of various distribution boards wherever required.

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. Thickness 0.63 mm sheet

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. Thickness 0.80 mm sheet

Installation of INLINE ventilation fans at various locations, by providing suitable supports of required size in a suitable methoad as per site requirements and as per the directions of EIC. ( INLINE ventilation fans will be provided by AAI). The scope also includes interconnecting the GI ducts to the fan inlet,providing necessary electrical interconnections to the fan from the nearest avilable power source.