Name of Work:- REPLACEMENT OF 02 NOS OF 120 TR CHILLERS INSTALLED AT AC PLANT-II OF VIB-II BUILDING, ILC, DHAMRA
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Item Description
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Supply, installation, testing and commissioning of 02 Nos of 120 TR floor-mounted AHRI (AirConditioning, Heating, and Refrigeration Institute) Certified water cooled screw-type chiller machine complete with VFD (Variable Frequency Drive), single/multi semi-hermatic twin screw type compressor, water-cooled Shell & Tube type condenser, Shell & Tube horizontal flooded type evaporator with carbon steel shell and seamless copper tubes with 19 mm nitrile rubber insulation i/c suitable foundation/mounting structure made of RCC/MS Structure i/c anticorrosive paint, anti vibration pad, power control cable and connection inter connection etc. as per design approved by engineer-incharge, interconnected copper refrigerant piping and wiring, vibration Isolators, gauge panel, automatic safety controls, flow switch at evaporator and condenser and ozone friendly Chlorofluorocarbons (CFC)-free refrigerant gas R-134A. The refrigerant flow control shall use an electronic expansion valve. The chiller shall be designed for a Water Side working pressure of 150 PSI and hydraulically tested at 1.3 times of design pressure. A number of properly spaced baffles shall be provided for maintaining optimum water velocity and heat transfer and the tubes shall be adequately supported. The chiller shall be Building Management System (BMS) compatible The system shall be in confirmation to IS : 16590 and CPWD Specification as amended upto date.Chilled water Leaving Temp. (6.67 deg. C)Chilled water Entering Temp. (12.2 deg. C)Evaporator fouling factor = 0.018 m2. ⁰C/kWCondenser water Entering Temp. (32.2 deg. C)Condenser water Leaving Temp. (36.4 deg. C)Suitable for Seismic Zone and Altitude as per location/site. All complete or as directed by Project Manager / Engineer-In-Charge. (Make : Hitachi / Carrier / Blue Star / Voltas).
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2.0 Rate quoted by bidder (taken from BOQ1 worksheet Credit for existing 02 Nos of 120 TR Chillers Please Enable Macros to View BoQ information
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