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| Tender ID | 3822623 |
|---|---|
| Organisation Name | Military Engineer Services |
| Tender Brief | Corrigendum : Special Repairs For Replacement Of 2 X 35 Tr Ac Plant In Auditorium At Nstl Under Age I Rnd Nstl, Visakhapatnam |
| Last Date For Submission | 28th Apr, 2026 |
| Opening Date | 30 Apr, 2026 |
| Document Cost | 1000.00 |
|---|---|
| EMD | 134500.00 |
| Estimated Cost | 7300000.00 |
| City | Visakhapatnam |
|---|---|
| State | Andhra Pradesh |
| # | Item | Qty | Units |
|---|---|---|---|
| 1 | Supplying, installation, testing & commissioning of minimum 35TR capacity floor-mounted Variable Frequency Drive (VFD) water cooled scroll-type chiller machine complete with hermetic scroll type single/multi compressors with independent circuits, water-cooled carbon steel shell, seamless copper tubes condenser and evaporator with 19mm nitrile rubber insulation, including suitable foundation / mounting structure made of RCC/MS structure with anti-corrosive paint, anti vibration pad, power control cable and connection interconnection etc; as per design approved by Engineer-in-Charge, gauge panel, automatic safety controls, flow switch at evaporator and | 2.00 | EACH |
| 2 | condenser and ozone friendly Chlorofluocarbons (CFC)-free refrigerant gas R-410A. The refrigerant flow control shall use an electronic expansion valve. The chiller shall be designed for a water side working pressure of 150 psig and hydraulically tested at 1.5 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. BEE star labelling and CPWD specification as amended upto date and tested as per IS:16590. | ||
| 3 | Chilled water leaving temperature (6.67 deg.C), chilled water entering temperature (12.2 deg.C). Evaporator fouling factor = 0.018m2, 0C/kW, condenser water entering temperature (32.2 deg.C). Condenser water leaving temperature (36.4 deg.C). Energy consumption 1KW/1TR, COP : (KW/Kw) : 4.347 (min). (a) First charge of initial oil, R410 A refrigerant and controllers for all the heat pump. (b) Shell & tube type evaporator & condenser to provide best heat exchange rate to meet COP requirement. 19mm thick Nitrile rubber insulation from factory on evaporator and suction line. | ||
| 4 | (c) Electronic expansion valve to control refrigerant precisely. (d) Refrigerant piping fittings, valves, accessories to interconnect compressor, condenser, chiller and expansion valve. (e) Control panel with display comprising of controls. It shall also be equipped with protection and monitoring devices such as H/L pressure switch / thermal and current overload protector. (f) DP/flow switches at inlet and outlet of heat pump, water drain & air purge valves, wherever required. | ||
| 5 | (g) Lot-frame work for mounting the above condenser, chiller, compressor and motor with base plate complete with antivibration pads / springs. (h) Suitable RCC/cement concrete foundation for the chilling unit installation complete as required capacity 35TR (min). |
14 Days Left