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| 1 | Supply, installation, testing and commissioning of factory built, floor mounted double skin type horizontal chilled water air handling units made of 25 ± 1 mm thick panels consisting of preplasticized G.I. casing of thickness 0.8 mm outside layer and 0.8 mm inside layer with Polyurethane foam (PUF) insulation, factory injected between them by injection moulding machine, complete with BACKWARD INCLINED CENTRIFUGAL blower with minimum static efficiency(ŋ> 75%) at selected duty conditions, minimum 2 bend GSS/PVC eliminators, cooling coil section with aluminium finned copper tubes (tubes thickness not less than 0.5 mm) cooling coil of 6 row deep, UV lamp for coil section with necessary controls, pre-filter section with 50mm thick panel type with aluminium frame, water washable synthetic type air pre-filters, belt drive package with TEFC drive motor of efficiency class IE3, 1440 rpm suitable for 415 ± 10% V,50Hz, 3 Phase AC supply , drain connections, stainless steel (18G) drain pan with nitrile foam insulation, vision panel, sturdy 16G lever operated discharge damper, marine light, full height access door with motor interlock, belt guard, necessary vibration isolation arrangement etc. complete as per specification and of following capacities. |
| 2 | 20 TR, 13600CMH, 6 ROW DOUBLE SKIN AHU |
| 3 | 25 TR, 17000CMH,6 ROW DOUBLE SKIN AHU |
| 4 | 30 TR, 20400CMH,6 ROW DOUBLE SKIN AHU |
| 5 | 40 TR, 27200 CMH,6 ROW DOUBLE SKIN AHU |
| 6 | 45 TR, 30600CMH,6 ROW DOUBLE SKIN AHU |
| 7 | Supply, installation, balancing and commissioning of site/factory fabricated 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.Factory fabricated/ In-situ fabricated 0.85mm GSS duct (22G) |
| 8 | Supply and fixing of following thickness duly laminated aluminium foil closed cell Nitryle foam rubber/cross linked polyethylene (Class \"O\") Thermal insulation on existing duct after applying suitable adhessive or shall have self adhesive on one side and aluminum foil of 40G thick on outer side as per the specifications and complete as required. All the joints shall be properly sealed with 150 mm wide nitrile rubber insulation and complete with self adhesive aluminum sealing tape.9 mm Closed cell Nitryle foam rubber/cross linked polyethylene Thermal Insulations |
| 9 | Supply and fixing of following thickness Fibre free and antimicrobial resistant, Open cell elastomeric nitrile rubber acoustic insulation in supply air ducts with fire retared \"O\" class, fire performance, resistant to chemical & micro organism and sound absorption class-D as per the technical specification and complete as required.25 mm Open Cell elastomeric nitrile rubber acoustic insulation |
| 10 | Fabrication of pipe lines: Site fabrication of MS pipes including edge preparation, fit up,welding (root pass-TIG & final pass-arc) and testing. The testing includes 100% DPT on both root & final weld and Hydro test at every 100m length at 10 kg/cm2 after final completion. |
| 11 | Dismantling of MS/GI structures, chilled/condenser water MS pipes, etc and safe handover to CWCP/Department stores. It includes cutting & loading, shifting of removed materials by means of mobile crane, if any, as per the standard practice and as specified within the lead distance of 2 km. |
