M/o office building at Vikas Minar.

VRV/VRF AIR CONDITIONING SYSTEM CONFERENCE HALL & RECEPTION

Supplying, installation, testing & commissioning of Modular type Variable Refrigerant Flow/Variable Refrigerant Volume air cooled Outdoor units of minimum 20 HP suitable for cooling/heating having 100% hermetically sealed inverter type twin Rotary/Scroll Compressor(s), minimum two compressors (with individual seperate PCB), microprocessor based Controller, top discharge type condensing unit(s), with R-410-A Refrigerant or equivalent, vibration Isolators with suitable foundation etc. complete as required. To have better efficiency condensor fan shall be capable to operate at different speed with respect to load.The unit shall deliver the rated capacity and in confirmation as per IS 18728:2024 and CPWD Specifications and work even at 50°C ambient temperature without tripping. The system shall be able to deliver 100% of the rated capacity upto 39 Degree Celcius.The unit shall be suitable to work on 400V +/- 10%, 3 Phase, 50Hz AC power supply and BMS compatible. The unit shall be filled with first charge of the refrigerant and ready for use as required. The condenser should be coated with a hydrophilic film to prevent water accumulation on the surface of the heat exchanger, enhance water dispersion, and reduce the risk of degradation, thereby improving overall performance and durability. The Indian Seasonal Energy Efficiency Ratio (ISEER) of the unit shall be minimum 7.6 For Cooling or Heating or Both.

Supplying, Installation, Testing and Commissioning of following minimum capacity and external static pressure VRF/VRV ceiling mounted high ductable type Indoor unit equipped with washable synthetic media pre-filter, fan section with low noise fan/dynamically balanced blower, multispeed motor, coil section with DX copper coil, electronic expansion valve, corded remote control, outer cabinet, vibration Isolators, drain pan, drain pump, other necessary supports etc., suitable for operation on single phase AC supply 230 V ± 10%, 50 Hz complete as required. The Indoor units must shut down upon receiving a Singnals from the BMS System/Fire Singnals. The cooling capacity of indoor unit will be at air inlet conditions of 27 0C DB and 19 0C WB temperature. (Make will be same as of Outdoor)

Supplying, Installation, Testing and Commissioning of following minimum capacity High wall type Indoor unit equipped with and comfort washable synthetic media pre filter, fan section with low noise fan/dynamically balanced blower, multispeed motor, coil section with DX copper coil, electronic expansion valve, outer cabinet, cord less remote control, drain pan, necessary accessories etc., suitable for operation on 230 V ± 10%, 50 Hz, single phase AC supply, complete as required. The Indoor units must shut down upon receiving a singal from the BMS System/Fire Singnals. The system shall be capable to adjust air flow as per room requirement automatically. The cooling capacity of indoor unit will be at air inlet conditions of 27 0C DB and 19 0C WB temperature. (Make will be same as of Outdoor)

Supplying, Installation, Testing and Commissioning of following minimum capacity 4-way compact VRV/VRF Cassette Type Indoor ceiling mounted unit equipped with synthetic washable media pre-filter, fan section with low noise fan/dynamically balanced blower, multispeed motor, coil section with DX Copper coil, electronic expansion valve, outer cabinet, drain pump, grill, necessary supports, vibration Isolation, Corded remote control etc., suitable for operation on single phase 230 V ± 10%, 50Hz AC supply, complete, as required. The Indoor units must shut down upon receiving a singal from the BMS System/Fire Singnals. The system shall be capable to adjust air flow as per room requirement automatically. The cooling capacity of indoor unit will be at air inlet conditions of 27 0C DB and 19 0C WB temperature. (Make will be same as of Outdoor) Minimum 1.6 TR

Supply and Fixing of PVC Drain Piping i/c elbow, T joint and their accessories etc as required.

25 mm dia.

32 mm dia.

Supplying, Installation, Testing and Commissioning of Y/T/Multi Joints. Joints shall be of same Original Equipment Manufacturer (OEM) make as of ODUs and IDUs

Indoor Unit

Outdoor Unit

Supplying, Installation, testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRV/VRF system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, insulated with XPLE Class-O tubular insulation/with Class-O closed cell elastometric nitrile rubber tubular sleeves sections of 19 mm thick insulation as given below for Suction and Liquid lines, all accessories as per specifications etc. as required :

6.4 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm

9.5 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm

12.7 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm

15.86 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm

19 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm

22.2 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm

28.58 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm

Supplying & fixing of powder coated extruded aluminum Return Air Grills with louvers but without volume control dampers complete in confirmation to SMACNA/IS and as per specifications complete etc. as required.

Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports bends, transitions, reducers, end caps, collars etc as required complete in all respect in confirmation with IS : 655 and approved drawings and specifications of following sheet thickness complete as required. Thickness 0.80 mm sheet

Supplying and fixing of 19 mm thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class "O") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required.

Power & Control Wiring for Single Phase / Low Voltage Equipment & Controls: Supplying and laying & fixing of Control cum Transmission wiring in suitable conduits between indoor & outdoor units of VRV Units.

2 C x 1.5 Sqmm armoured Copper conductor cable.

Supply of Armoured Power Cables with High Conductivity Copper Conductor (Solid Con ductor for Cables of size up to 6 Sqmm & Stranded Conductor for Cables of size 16 Sqmm & above), XLPE insulated, Cores Laid Up, PVC Inner Sheathed, Armouring (Galva nized Wires / Strips) & Extruded PVC (FRLS) Outer Sheathed, 650 / 1100 V Grade as per IS 7098 (Part 1) - with ISI Marking including sup ply of saddles, ties, tags, ferrules, termina tions, lugs, nuts/bolts/hardware etc. complete in all respects.

4C X10 sqmm- armoured Copper conductor cable

3C X6 sqmm- armoured copper conductor cable

Laying and ixing of one number PVC insulatd and PVC sheathed/XLPE power cble of 1.1 KV grade of following size on wall surface as required. Upto 35sq. Mm (Clamped with 1mm thick saddle)

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required.

PART-II Annual Comphrensive ,routine and preventive maintenance comprising of VRV /VRF unit i/c all accessories, consumable like oil, gas, PCB's & other item to keep the system in perfect running condition as required for the following periods after defect liability period of 1 year after successfully commissioning and handing over

First Year after expiry of 1 year warranty period

Second Year after expiry of 1 year warranty period

Third Year after expiry of 1 year warranty period

Fourth Year after expiry of 1 year warranty period

Fifth Year after expiry of 1 year warranty period