| 1 | Supplying, installation, testing and commissioning of modular type Variable Refrigerant Flow / Variable Refrigerant Volume (VRF/VRV) air-cooled outdoor unit(s) suitable for cooling/heating, having 100% hermetically sealed inverter-type twin rotary/scroll compressor(s) minimum two compressors with individual separate PCB for above 14 HP modules microprocessor-based controller, top-discharge type condensing unit(s) with R-410A refrigerant or equivalent, vibration isolators with suitable foundation etc. complete as required. Condenser fan shall be capable of operating at different speeds with respect to load. The condenser shall be coated with hydrophilic film to prevent water accumulation, enhance water dispersion, reduce degradation and improve performance and durability. The unit shall deliver rated capacity in conformity with IS 18728:2024 and CPWD Specifications and shall work even at 50 C ambient temperature without tripping, delivering 100% rated capacity up to 39 C. Suitable for 400V 10%, 3-phase, 50 Hz AC supply and BMS-compatible. Unit shall be filled with first charge of refrigerant and ready for use. ISEER of the unit shall be as per Energy Conservation and Sustainable Building Code (ECSBC) 2024 (for capacity <40 kWr ISEER 5.4; capacity 40 and <70 kWr ISEER 5.5; capacity 70 kWr ISEER 5.6 for ECSBC building). Including all inter-connections, piping connections, power and control wiring terminations at unit, vibration isolation pads, weather-proof canopy/guard if on open terrace, refrigerant charging beyond factory pre-charge for extended piping as applicable, and all accessories as per CPWD specifications, complete in all respects.
Capacity: 14 HP to 22 HP range. Configuration: 2 nos. 22 HP Heat Pump ODU = 44 HP total for 43.8 TR IDU load (Connection Ratio = 118%). Location: terrace-level AHU/ODU room. | 44 | Per HP |
| 2 | Supplying, installation, testing and commissioning of 0.8 TR (minimum capacity) 4-way cassette-type indoor ceiling-mounted unit equipped with synthetic washable media pre-filter, fan section with low-noise dynamically balanced blower, multi-speed motor, coil section with DX copper coil, electronic expansion valve (EEV), outer cabinet, built-in drain pump (minimum 750 mm lift), decorative square grille panel with anti-condensation lining, necessary ceiling supports and suspension hardware, vibration isolation pads, corded remote controller etc., suitable for operation on single-phase 230V 10%, 50 Hz AC supply, complete as required. The indoor unit must shut down upon receiving a signal from the BMS system / fire alarm signals. The system shall be capable of adjusting airflow as per room requirement in auto mode. Cooling capacity rated at air inlet conditions of 27 C DB and 19 C WB temperature. Make shall be same OEM as outdoor unit. Including refrigerant piping connections at unit, condensate drain connection, control wiring termination, ceiling opening reinforcement if required, and all accessories as per CPWD specifications, complete in all respects.
Location: Internet Room (6.67 sq.m) 1 no. | 1 | Each |
| 3 | Supplying, installation, testing and commissioning of 1.0 TR (minimum capacity) 4-way cassette-type indoor ceiling-mounted unit equipped with synthetic washable media pre-filter, fan section with low-noise dynamically balanced blower, multi-speed motor, coil section with DX copper coil, electronic expansion valve (EEV), outer cabinet, built-in drain pump (minimum 750 mm lift), decorative square grille panel with anti-condensation lining, necessary ceiling supports and suspension hardware, vibration isolation pads, corded remote controller etc., suitable for operation on single-phase 230V 10%, 50 Hz AC supply, complete as required. The indoor unit must shut down upon receiving a signal from the BMS system / fire alarm signals. The system shall be capable of adjusting airflow as per room requirement in auto mode. Cooling capacity rated at air inlet conditions of 27 C DB and 19 C WB temperature. Make shall be same OEM as outdoor unit. Including refrigerant piping connections at unit, condensate drain connection, control wiring termination, ceiling opening reinforcement if required, and all accessories as per CPWD specifications, complete in all respects.
Locations: Library Office (14.45 sq.m), Entrance Lobby (14.55 sq.m), Research Room-1 (16.2 sq.m), Research Room-2 (12.3 sq.m), Research Room-3 (14.5 sq.m) 5 nos. | 5 | Each |
| 4 | Supplying, installation, testing and commissioning of 2.0 TR (minimum capacity) 4-way cassette-type indoor ceiling-mounted unit equipped with synthetic washable media pre-filter, fan section with low-noise dynamically balanced blower, multi-speed motor, coil section with DX copper coil, electronic expansion valve (EEV), outer cabinet, built-in drain pump (minimum 750 mm lift), decorative square grille panel with anti-condensation lining, necessary ceiling supports and suspension hardware, vibration isolation pads, corded remote controller etc., suitable for operation on single-phase 230V 10%, 50 Hz AC supply, complete as required. The indoor unit must shut down upon receiving a signal from the BMS system / fire alarm signals. The system shall be capable of adjusting airflow as per room requirement in auto mode. Cooling capacity rated at air inlet conditions of 27 C DB and 19 C WB temperature. Make shall be same OEM as outdoor unit. Including refrigerant piping connections at unit, condensate drain connection, control wiring termination, ceiling opening reinforcement if required, and all accessories as per CPWD specifications, complete in all respects.
Locations: Librarian Room (25 sq.m, 1 no.), GF Book Store (151.93 sq.m, 4 nos.), FF Book Store (150 sq.m, 4 nos.) 9 nos. total. | 9 | Each |
| 5 | Supplying, installation, testing and commissioning of 10.0 TR (minimum capacity) high-static ducted-type indoor unit with minimum 78 Pa external static pressure (ESP), comprising DX copper coil, electronic expansion valve (EEV), blower/fan section with dynamically balanced centrifugal fan, multi-speed ECM/inverter motor, return air filter section with G4-grade washable synthetic media filter, vibration isolation mounts, drain tray with drain connection, factory-wired control board, and all necessary accessories. Suitable for operation on single-phase 230V 10%, 50 Hz AC supply. The indoor unit must shut down upon receiving a signal from the BMS system / fire alarm signals. Make shall be same OEM as outdoor unit. Including ceiling suspension arrangement with anti-vibration hangers, flexible duct connectors at supply and return, refrigerant piping connections at unit, condensate drain connection with trap, control wiring termination, access provision for filter maintenance, and all accessories complete in all respects as per CPWD specifications.
For double-height reading hall (AHU-1 and AHU-2) 2 nos. | 2 | Each |
