Airports Authority Of India Tender

Installation, Testing and Commissioning of air cooled variable refrigerant flow modular type condensing units,each comprising of multiple scroll compressors all inverter driven, full charge of refrigerant gas (R-410a), lubricating oil and all accessories as per the specifications. The condensing units shall be suitable to work on cooling mode. The minimum Energy Efficiency Ratio shall be as per ASHRAE STANDARDS 90.1 -2001 table 6.2.1B . The COP of the system shall be greater than 4 under ARI conditions for 100% load . The condensing units shall be suitable for operation on 415 ± 10% volts, 50Hz, 3 phase AC power supply and the condensing units shall be of following capacities: 60HP

Installation, testing and Commissioning of Indoor units generally as specified in technical specification and as shown on drawings. The refrigerant shall be CFC/HCFCfree and preferably R410A. The fan shall be of dual suction, aerodynamically designed turbo, multi blade type and statically and dynamically balanced to ensure low noise and vibration free operation. The cooling coil shall be made out of seamless copper types and have continuous aluminium fins. Each coil shall be factory tested at 21kg/sq.m air pressure under water. Each unit shall be provided with wireless LCD type remote controller. The unit shall be ceiling mounted type. Unit shall include pre-filter, fan section and DX-Coil section. Housing of the unit shall be powder coated galvanized steel. Unit shall have 4-way supply air grilles as per the approved drawing. Each unit to be provided with high lift drain pump, fresh air intake provision and low operating sound. 4Way Cassette AC 3.2TR Cassette AC with Wireless remote and refnet branch

Installation, Testing and Commissioning of Central Remote control and monitoring panel without touch control having Display of functionality as zone control, malfunction code display, connectible with unified ON/OFF controller, schedule timer and BMS system, Airflow volume and direction can be controlled indivisually for indoor units in each group operation.

Supply, Installation, testing and commissioning of Refrigerant piping with CFC/HCFC free and insulated with 13mm/19mm thick sleeve made out of closed cell elastomeric nitrile rubber foam insulation of fire retardant ‘O’ class. The unit shall come with initial charge of referred refrigerant from the factory. The refrigerant piping interconnecting IDU and ODU shall be hard copper tube, in brazed construction. The thickness of copper piping shall be provided as specified in the technical specifications.

Piping with O.D. 9.5

Piping with O.D. 12.7

Piping with O.D. 15.9

Piping with O.D. 19.1

Piping with O.D. 22.2

Piping with O.D. 28.6

Piping with O.D. 34.9

Piping with O.D. 41.3

Supply, Installation, Testing and Commissioning of Communication Control cables between indoor unit and outdoor unit laid and clamped 2 Core 1.5 Sqmm in PVC Conduit.

Supply, installation, testing & commissioning of following sizes insulated rigid heavy duty grade UPVC drain pipes of 10kg/sq.cm from indoor units to nearest floor drain and complete with interconnection, flanges, elbows, tees, nuts, P-trap, U trap etc. The insulation shall be provided for the drain pipes with 6 mm thick closed cell elastometric nitrile rubber with density not less than 8kg/m3.

32mm Dia UPVC Drain pipe

40mm Dia UPVC Drain pipe

50mm Dia UPVC Drain pipe

Unloading, Lifting Shifting charges of all indoors, outdoors as per approval of Engineer-In-Charge.

Supply and fixing of MS Outdoor Unit Stand

Gas Charging of the whole system

Electrical Works

VRF Feeder Panel - Supply, Installation, Testing & Commissioning , Indoor type cubicle panel, body made out of 2mm thick CRCA sheet, totally enclosed, IP 42, floor/wall mounted with channel base frame, dust and vermin proof, indoor, compartmentalised, suitable for operation on 3 phase and neutral, 415 V, 50Hz AC system, including control wiring with 2.5 sq mm size wires/cable, interconnection, duly powder coated painting etc. including supply & installation of following switchgears, metering instruments and accessories as per following specifications:- INCOMER : 2 Nos. 250A four pole Module case Circuit Breaker (Ics = Icu = 50 KA) with built in thermal based release unit with adjustable setting. BUSCOUPLER : 1 Nos. 250A four pole Module case Circuit Breaker (Ics = Icu = 50 KA) with built in thermal based release unit with adjustable setting. OUTGOINGS:- 8 Nos. 63A four pole Module case Circuit Breaker(Ics = Icu = 30 KA) with built in thermal based release unit with adjustable setting. INSTRUMENTS: 2 Nos. digital multifunction meter (Ammeter + Voltmeter) including suitable rating CTs for 3 phase, 4 wire operation as per specification. INDICATIONS : RYB (LED Type) phase indicating lamps controlled by 2 amp MCB for all incomer & ON /OFF indication for all Incomers and Outgoings. BUSBAR : 400 Amp TPN Aluminium busbar. All Incomers and Bus Coupler shall be mechanically and electrically interlocked with suitable accessories.

Supplying and fixing following way, horizontal type three pole and neutral, sheet steel, MCB distribution board, 415 volts, IP 43, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted etc. as required. (But without MCB/RCCB/Isolator). 8 Way Double Door(8+24)

Supplying and fixing 63 amps rating, 415 volts, 10 kA, “C” curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Supplying and fixing following rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current 100 milli amperes in the existing MCB DB complete with connections, testing and commissioning etc. as required. 63A

Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, 10 kA, “C” curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. Single Pole

Supply of following 1.1KV grade aluminium/copper conductor XLPE/PVC insulated PVC sheathed armoured cable as per IS 7098 (Part I) 1988 as required.

3.5c x 185 sq.mm. Aluminium armoured cable

3.5c x 35 sq.mm. Aluminium armoured cable

3c x 2.5 sq.mm. Copper armoured cable

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on Cable Tray as required. Above 95 sq mm and up to 185 Sq.mm (clamped with 25/40x3mm MS flat clamp)

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required. Upto 35 Sqmm (clamped with 1mm thick saddle)

Supply and making end termination with double compressionn brass cable gland and aluminium/copper lugs as per cable for following size XLPE insulated PVC sheathed aluminium/copper conductor cable of 1.1 KV grade complete as required. 3.5C x 185 Sq.mm Aluminium(57mm OD)

Supply and making end termination with double compressionn brass cable gland and aluminium/copper lugs as per cable for following size XLPE insulated PVC sheathed aluminium/copper conductor cable of 1.1 KV grade complete as required. 3.5C x 35 Sq.mm Aluminium (32mm OD)

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

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

Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray. cable tray with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc as required. 450 mm width X 50 mm depth X 2.0 mm thickness

Supplying and installing following size of perforated Hot Dipped Galvanised Iron Covered cable tray. Cable Tray with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc as required. 450 mm width X 50 mm depth X 2.0 mm thickness (With Cover)

Supplying and fixing Thermoplastic, IP65, Weatherproof, Corrosion free, Halogen and Silicon free, UV resistance, Insulated and Shock proof, High impact strength, Flame retardant and Self Extinguishing DB as per approval of Engineer In Charge, Outdoor/Wall Mounting, bottom cable Entry with Metric Knock out distribution Board with PE-N Terminals. Description As per below:- 1 Row – 4.5 Module Hensel Model KV Cat No – KV 7104 M or Equivalent