Details: factory fabricated gi ducting with tdf joints: supply and installation of galvanised sheet steel, 120 gsm zinc coated, in rectangular rigid ducting manufactured in accordance with smacna standards 500pa class, including all fittings, elbows, turning vanes, straightening vanes, reducers, take offs, plenums, tapers, offsets, connections to equipment to equipment & air terminals, gi support channels, wall brackets, gi threaded rods, anchor bolts, nuts, washers, neoprene gaskets, stiffeners, vibration mounts, access doors / inspection doors, splitter dampers, instrument ports, tdf joints with silicone sealing, etc. 22g thermal insulation: supply and installation of 9 mm thick closed cell, class “o” type nitrile rubber insulation over ducts. nitrile rubber shall have self adhesive on one side and aluminum lamination on outer side. all gaps and joints shall be properly sealed by using self adhesive aluminum sealing tape. supply and installation of 25 mm thick closed cell, class“o” type nitri
Sector: Research center