Name of Work: Repair and Maintenance of building. Sub Head: Replacement of 15000 CFM Air washer system for DG Room at NDCC Phase-II Building.
Sl. No.
Item Description
1
Replacement of 15000 CFM Double Skin Air Washer Unit consisting 966 RPM Fan Speed, Static pressure 65 mm wg with following specification :-a) Outer Skin - 0.6mm thick Pre-coated sheetb) Inner Skin - 0.6mm thick Plain GI Sheetc) Inner Skin (Wet Section) - GI Sheetd) Frame work - Extruded Aluminum Profilee) Panel Thickness - (25±2)mm thickf) Insulation of Panels - PUF (Injected) Insulation (CFC/HFC Free & Fire retardant).g) Wet Section - 18G SS-304 Stainless Steel water storage tank. Tank consisting of 200mm thick Cellulose Pad approx. 88-89% ), 4-Bend PVC Eliminator, CPVC water distribution arrangement, CPVC Piping (Between Pump Suction and Distribution Pipe Only), socket connection (for makeup, quickfill, overflow, drain and suction) & Single Phase / Single water Circulating Pump.h) Blower (Belt Driven) - DIDW (Double Inlet Double width Fan) Forward Curved blower at an outlet velocity not exceed 8.83 m/sec Blower & Motor Mounting - For Floor Mounted: Blower and Motor are mounted on common extruded aluminum /GI Channel base frame with rubber mount vibration isolators and connected to the casing with Fire Retardant canvas connection. Inspection door are equipped with Limit Switch, Marine Light & Safety Guardi) Pre Filters - 50mm thick Aluminum wire mesh filters with GI FrameMake : Alfa wave/AUM/Evapolar
2
Fabrication, supply & installation of GI duct of 22SWG as per site requirement including hangingsupports nuts bolts, painting complete as per site requirement including dismantling of existing ductwith the help of ladder/scaffolding as required at site
3
Hiring charges for lifting of 15000 CFM Air washer from ground to the terrace of DG roomincluding labour for loading and unloading at site and keeping it safely at desired place as directed by Engineer- Incharge
4
Credit for old 2 Nos air washer and associated rusted worn out ducts.
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