Supply, Installation, Testing Commissioning of Air conditioning work at Cafeteria at ground floor at Research Park, Rajarhat, Kolkata of 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, 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

Supply of Decorative Cassette Type VRF Indoor units . The unit shall be insulated with sound absorbing thermal insulation material, Poly-styrene / Polyethylene foam. The unit shall be supplied with suitable decorative panel & resin net filter with Mold resistance. Cassette units shall have independed drain pump. The unit shall be supplied with drain hose, clamp metal, washer fixing plate, sealing pads, screws, clamps, washer for hanging bracket & insulation for fitting. Power cabling with conduit from power socket to indoor is inclusive of price.

Cassette Type Indoor Unit - Capacity - 3.0TR

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

REMOTE CONTROLLER

Supply, installation, testing & commissioning of Cordlesss remotes for VRF indoor units

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 refrigerent insulated piping shall be covered with UV Resistance canvass coating.

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 )

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

19.1 mm O.D..(with 13 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 rigid PVC Drain Piping complete with fittings, supports as per specifications and duly insulated with 6 mm thick closed cell nitrile rubber insulation.

32 mm dia

25 mm dia

SITC of 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 require size copper conductor steel armoured power cable with termination to individual Outdoor units.(From Power Panel to VRF ODU)

Civil foundation of VRF ODU

Making wall opening for passage in the wall/glass for ref & drain pipes and cables and making good of the same for all the indoor/ outdoor units.

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

Comprehensive AMC 1st Year after DLP

Comprehensive AMC 2nd Year after DLP

Comprehensive AMC 3rd Year after DLP

Comprehensive AMC 4th Year after DLP

ALPHA GAMMA AIR SOLUTIONS PVT. LTD.