SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF AIR CONDITIONING WORK FOR CIC DEPARTMENT AT TAKSHASHILA BUILDING, IIT KHARAGPUR

Amount

Supply, Installation, Testing & Commissioning of Air Cooled type outdoor units of VRF system having hermetically sealed inverter scroll/twin rotary compressor, condenser coil fabricated from Seamless Copper tube & Plate type Al. Fins of Multi Row, Axial Flow, top discharge throw condenser fan, Condenser fan - motor unit, insulated refrigeration piping, power / control wiring with TPN ELCB & encloser, and earthing, external wiring between Indoor & Outdoor units, all system controls-safety. The system should have flexibility to handle total 280 Rmt of ref. piping. ODU shall be placed on structure with heavy duty anti vibrational pad to protect the system from any kind of unwanted vibration. The system shall have minmum COP of 3.7 at ARI condition as per CPWD guidelines. Each Outdoor units with High Pressure switch, Fan driver overload protector, Over current relay, Inverter Overload Protector & Fusible Plug. The unit shall be suitable for 415 ± 10 % volts, 50 Hz, 3 phase AC supply, and IP protection will be suitable for outdoor installation. The VRF System shall have green ref. gas only- R410A/ R407

Indoor Units Supply, Installation, Testing & Commissioning of Indoor units address setting and capacity as mentioned below. Multi speed motor, coil section with DX coil, outer cabinet, drain pan mechanism insulation, pipe connections, clamp metal, washer fixing plate, sealing pads, screws, clamps, washer for hanging bracket & insulation for fitting, fresh air intake connector for cassettes etc. of various capacities as per specifications. Power cabling (3mtr from unit) with conduit from power socket & plug top to indoor is inclusive of price.

Hi-Wall Type Indoor Unit With Cordless Remote Control - Capacity – 1.5TR

VRF Y JOINTS FOR BRANCH DISTRIBUTION REFRIGERENT PIPE JOINTS WITH PRECAST INSULATION

Supply, installation, testing & commissioning of Y shape Branch Distribution Joints for VRF system. (The contractor to quote as per LAT calculation. This cannot not be billed in no.s )

SITC of VRF Refrigerant Piping: Supply, installation, testing & commissioning of Seamless heavy gauge Copper piping of following size duly insulated with 13 mm/ 19mm thk. Nitrile Rubber Insulation covered with aluminium foil ( As per Specified with K Value of 0.027-0.029 K Cal/Hr.M Deg C at 0-16 Deg C) . Refrigeration piping will have to be taken in the piping rack / Support individually connecting to all indoor units for the respective floors. Even necessary supports, fittings, valves & ref. joints where ever required will be included. The exposed outdoor refrigerent insulated piping shall be covered with UV Resistance canvass coating.

31.8 mm O.D.(with 19 mm insulation )

28.6 mm O.D.(with 19 mm insulation )

25.4 mm O.D..(with 19 mm insulation )

22.2 mm O.D..(with 19 mm insulation )

19.05 mm O.D..(with 19 mm insulation )

15.88 mm O.D..(with 19 mm insulation )

12.7 mm O.D..(with 19 mm insulation )

15.9 mm O.D..(with 13 mm insulation )

12.7 mm O.D.(with 13mm insulation )

9.52 mm O.D.(with 13mm insulation )

6.35 mm O.D.(with 13mm insulation )

Supply, Installation and Testing of UPVC Drain Piping complete with fittings, supports as per specifications and duly insulated with 6 mm thick Al foil faced closed cell nitrile rubber insulation.

40 mm dia

32 mm dia

25 mm dia

SITC of Hot Dip Galvanised GI perforated Cable Tray for the refrigerant pipe hanging & Covering

Supply & fixing of control cum transmission wiring of Copper conductor Shielded cable along with PVC conduit / casing for looping between indoor & outdoor VRF system.

2 C X 1.5 Sq. mm (Communication cable)

3 C X 1.5 Sq. mm - PVC insulated & PVC sheathed cable for IDU power connection

Supply, installation, testing & commissioning of Power Cabling (copper armoured, 4core, 10sqmm) with termination to individual Outdoor unit.(From Power Panel to VRF ODU)

Decorative Pelmets of required size for IDUs with 16 mm thich anti termite laminated board.

Comprehensive AMC of the VRF system for four years after DLP of one year.

Comprehensive AMC 1st Year after DLP

Comprehensive AMC 2nd Year after DLP

Comprehensive AMC 3rd Year after DLP

Comprehensive AMC 4th Year after DLP

AIR COOLING SOLUTIONS