Provision of VRV/VRF AC for Vertical Extension of New Substation i/c replacement of Old Cassette ACs of Aerobridges at Ranchi Airport, Ranchi.

Amount

Design,Supply Installation, Testing & Commissioning of modular type Variable Refrigerant Flow/Variable Refrigerant Volume air cooled Outdoor units suitable for cooling only, having all hermetically sealed inverter type Scroll Compressor(s),minimum two compressors for above 14 HP modules, microprocessor based Controller, top discharge type condensing unit(s), with R 410A or other environment friendly Refrigerant gas & oil (pre-charged), vibration isolators, with suitable foundation etc. complete as required. The unit shall deliver the rated capacity at AHRI Conditions and work even at 50°C ambient temperature without tripping.The unit shall be suitable to work on 400V+/-10%, 3 Phase, 50Hz AC power supply. The unit shall be filled with first charge of the refrigerant and ready for use as required including all labour,machinary, tools & plant etc complete as required.The COP at AHRI conditions shall not be less than 3.7 and IEER not less than 6.5. (NOTE: All components should be mounted on duly painted welded steel frame, structure steel profile / panels with vibration isolators whose cost shall be deemed to be included in the item rate.)

Supply, Installation, Testing and Commissioning of 4.0 TR minimum capacity 4-way flow 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, cordless remote control etc., suitable for operation on single phase 230V±10%, 50Hz AC supply, complete as required. The cooling capacity of indoor unit will be at air inlet conditions of 27 Degree C DB and 19 Degree C WB temperature etc. (Indoor unit to be mouned on false ceiling and necessary modifications to be made in the false ceiling is included in the scope including minor civil works and making good the same as original finish & cost to include all labour,machinary,tools & Plant etc complete as required.

Supply, Installation, Testing and Commissioning of following minimum capacity VRV/VRF High wall 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, outer cabinet, cordless remote control, drain pan, necessary accessories etc., suitable for operation on 230 V ± 10%, 50 Hz, single phase AC supply,complete as required. The cooling capacity of indoor unit will be at air inlet conditions of 27 Degree C DB and 19 Degree C WB temperature and cost to include all labour,machinary,tools & Plant etc complete as required.

Supply. Installation, Testing & Commissioning of Refnet joints of minimum thickness as that of refrigerant piping including insulation

Indoor Unit – Y Joints

Outdoor Unit – Y Joints

Supply, Installation, testing and Commissioning including vaccumiazation and Nitrogen testing of interconnecting nominal sizes of soft/hard drawn copper refrigerant piping for VRV/VRF system of following outer diameter complete with fittings, jointing/brazing including accessories, insulated with XLPE Class-O tubular insulation/with Class-O closed cell elastometric nitrile rubber tubular sleeves sections of specified thickness as given below for Suction and Liquid lines complete including repairing of damage to building etc. as per specifications and as required complete in all respects. All piping from outdoor units to indoor units through floor/wall/ above the false ceiling shall be properly supported using suitable size of cable tray/ fixed supported rods/adjustabe ring type hanger support (scope included) etc as required. NOTE:- 1)The Copper Piping & Piping Circuit should be with Minimum Number of joints,which shall be attained by : (i) Using One End Expanded Tubes (ii) Bending the tubes instead of using elbow joints wherever 90 degree bending is required. (2)Piping should be routed at site in such a manner,that brazed joints in the refrigeration piping are kept to a minimum. (3) The makes of tube fittings shall be same as that of tubes. (4) The thickness of fittings used shall be same as that of the pipe.

6.4 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm with 19 mmthick insulation

9.5 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation

12.7 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm with 19mm thick insulation

15.86 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm with 19mm thick insulation

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

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

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

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

31.8 mm dia (OD) (Hard drawn) with tube thickness 1.62 mm with 19mm thick insulation

34.9 mm dia (OD) (Hard drawn) with tube thickness 1.62 mm with 19mm thick insulation

38.1 mm dia (OD) (Hard drawn) with tube thickness 1.62 mm with 19mm thick insulation

41.27 mm dia (OD) (Hard drawn) with tube thickness 1.62 mm with 19mm thick insulation

Supply, Installation, Testing & Commissioning of drain piping made of hard drawn CPVC material of following sizes including all accessories such as tees, joints, elbows,adhesives etc and duly insulated with 6mm nitrile rubber insulation including necessary clamps, screws, supports etc as required.

25 mm dia

32 mm dia

50 mm dia

Supply & Charging of extra refrigerant R-410A or other environment friendly Refrigerant gas in VRF system for topping up etc. complete as required.

Centralized Controller : Supply Instalaltion, testing & commissioning of Main Intelligent touch screen central controller system with colour LCD Display including all the accessories,wiring etc suitable to operate, monitor, on/off, temperature setting of all the indoor units individuallly complete as required

SITC of Weather proof enclosure made out of Glass Fibre Reinforced Polyester (GRP) on surface/recess with IP65 protection alongwith suitable rated, 'C' Curve Four Pole MCB near the outdoor units including interconnections complete etc as required

Dismantling & shifting to Electrical Stores the following Types Air-Conditioners including Indoor and outdoor units,pipelines, voltage stabilizers (if any) and all accessories ,outdoor unit's angle iron support etc and filling the hole of the dismantled wall, plastering etc as required.

Cassette ACs upto 4 Tr.

Supply of min. 1.4 TR capacity, one way, Inverter Type Ceiling mounted Split Cassette Air-Conditioning unit ( EER shall not be less than 3.00) consisting of Indoor Evaporator unit with Decorative Panel & cordless remote controller, Electronic Expansion Valve ,Copper Condensing unit (Outdoor Unit),multi-speed fan with motors, dynamically balanced Blowers, High Energy Efficiency Hermitically sealed Rotary Compressor, built-in drain water pump and operating on 230V±10%, 50Hz, Single phase AC supply, capable of performing functions like cooling, dehumidifying,air-circulating, filtering including all its accessories etc. and as per specification complete as required. The supply of unit shall include initial charge of Eco-friendly refrigerant gas etc. complete as required.

Supply of min. 3.2 TR capacity, Round Flow, Inverter Type Ceiling mounted Split Cassette Air-Conditioning unit ( EER shall not be less than 3.00) consisting of Indoor Evaporator unit with Decorative Panel & cordless remote controller, Electronic Expansion Valve ,Copper Condensing unit (Outdoor Unit),multi-speed fan with motors, dynamically balanced Blowers , High Energy Efficiency Hermitically sealed Rotary Compressor, built-in drain water pump and operating on 230V±10%, 50Hz, Single phase AC supply, capable of performing functions like cooling, dehumidifying,air-circulating, filtering including all its accessories etc. and as per specification complete as required. The supply of unit shall include initial charge of Eco-friendly refrigerant gas etc. complete as required.

Installation,Testing and Commissioning of Cassette type AC unit of following capacities by fixing the outdoor condenser unit on a raised suitable pedestals duly painted/Metal Stand as per site requirement (supply and fixing of Pedestals/Metal Stand included in the scope) and fixing of Evaporator unit i/c balancing of Liquid & Gas, Gas charging the system with refrigerant, if any extra gas required due to increase in length of Copper piping, including civil work such as drilling for hole, painting, finishing the same,Lifting/Shifting of Outdoor & Indoor units upto site location etc. complete as required.

Up to 2TR.

Above 2TR and Up to 4TR

Supply, Laying and connecting of OEM recommended size copper refrigerant Piping (Liquid and Gas) with Nitrile Rubber insulation of thickness not less than 13mm, Power & control cable and with all other accessories suitable for ceiling mounted Cassette type AC including covering the Copper piping with nitrile rubber insulation with suitable size casing capping/PVC pipe and necessary clamps,screws, supports etc complete as required (Length of Liquid and gas line will be measured as single measurement).

Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit and provided with proper supporting clamping etc complete as required

Supply of 4 Core X 25 Sqmm size XLPE insulated PVC sheathed, Copper conductor armoured, power cable of 1.1 KV grade conforming to IS 7098 (Part I), 1988 with upto date amendments complete as required.

Supply of 3 Core X 2.5 Sq. mm size XLPE insulated PVC sheathed, flexible Copper conductor power cable of 1.1 KV grade conforming to IS 7098 (Part I), 1988 with upto date amendments complete as required.

Supplying & Laying of 3 Core x 1.5 sqmm copper, Shielded control cum trans-mission wiring of copper between indoor and outdoor unit etc. as required.

Laying of one number PVC insulated and PVC sheathed /XLPE power cable of 1.1 kV grade of upto 35 sq. mm size in the existing METAL/PVC Pipe etc. complete as required.

Supplying and making end termination with brass compression gland and copper lugs for 4 X 25 sq. mm (28 mm) size of PVC insulated and PVC sheathed/XLPE copper conductor armoured power cable of 1.1 KV grade as required.

Supplying and fixing of 08 way (4 + 24), Double door surface/ recess mounting, vertical type, 415 V, TPN MCB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 200 A tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCBs (but without MCB’s), interconnections and incomer of 100 Amps, 4 pole MCCB, 415 VAC, 25KA as required. (Make: Havells TPN Vertical Loadline Model DHDLVDRWAOFO08 with MCCB and MCBs as per AAI Preffered Makes)

Supply & Fixing of 5A to 32A rating, 240/415 V, 10 kA, "C" curve, MCB suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. complete as required.

Single pole

Double pole

Supplying and fixing of single pole blanking plate in the existing MCB DB complete etc. as required.

Supplying and fixing of 63A Four Pole, 415 V, 10 kA, “C”curve, miniature circuit breaker suitable for inductive load in the existing MCB DB complete with connections, testing and commissioning etc. as required

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required.

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

Providing and fixing 6 SWG dia GI wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ submain wiring/ cable as required.

All Inclusive comprehensive maintenance contract of VRF/VRV Systems (Indoor & Outdoor units) including all electrical & mechanical equipments (related to VRV/VRF system only), installed under this contract after defect liabilty period i/c providing all spares/consumables, periodical servicing and breakdown maintenance as per OEM standards/recommendations and AAI conditions etc. complete as required and as per direction of EIC. (Approx 64 HP)

First Year after defect Liability Period

Second Year after defect Liability Period

Third Year after defect Liability Period

Fourth Year after defect Liability Period

Fifth Year after defect Liability Period

GATES

Edge Telecom Pvt Ltd

M/s CGPL ELECTROMECH PVT LTD

COMFORT ZONE

SHINRYO SUVIDHA ENGINEERS INDIA PVT. LTD.

VOLKS ENERGIE PVT LTD