NIIST/65/ESD-E/NIT/AC1/2023-24

Amount

SUPPLY INSTALLATION TESTING AND COMMISSIONING of : VRV Air-Conditioning HIGH SIDE

Supply of VRV Air Conditioning system with 100% inverter type of the following Outdoor unit capacities comprising of inner grooved copper tubes for higher heat transfer, hydrobhilic blue fins, powder coated GI sheet metal parts with high efficiency DC motor, delivering 100% capacity at 43 deg C, with vide operating range 320Volts to 460 Volts, oil seperators, electronic expansion valves, IDU oil recovery system, quiet mode operations, Demand control mode, IDU isolation function, Automatic Gas Filling System, Automatic Phase Sequence Correction and filter clean reminders. VRV System - 12 HP

Supply of 4 Way Cassette indoor units of following capacities of VRF air conditioners complete with filters of 10 micron filtering capacity, coil section with refrigerant cooling coil and fan section, insulated drain pan of adequate size.

1.0 TR Ceiling mounted type 4 Way compact Cassette Indoor Unit.

1.5 TR Ceiling mounted type 4 Way compact Cassette Indoor Unit.

2.1 TR Ceiling mounted type 4 Way Cassette Indoor Unit.

Supply of Branch distribution referent joints, Y- shape branching joints, branch headers/ T-shape branching joints etc for VRF units as required.

VRV Air-Conditioning LOW SIDE

Installation, Liftng, Shifting, Erection, Pressure testing, Commissioning and Gas charging of additional required Refrigerant and oil required for commisioning of VRV Air Conditioning system with 100% inverter type of the following Outdoor unit capacities comprising of inner grooved copper tubes for higher heat transfer, hydrobhilic blue fins, powder coated GI sheet metal parts with high efficiency DC motor, delivering 100% capacity at 43 deg C, with vide operating range 320Volts to 460 Volts, oil seperators, electronic expansion valves, IDU oil recovery system, quiet mode operations, Demand control mode, IDU isolation function, Automatic Gas Filling System, Automatic Phase Sequence Correction and filter clean reminders. VRV System - 12 HP Air cooled condenser with top discharge, R410-A CFC free refrigerant

Installation, testing and commissioning of 4 Way compact Cassette indoor units of following capacities of VRF air conditioners complete with filters of 10 micron filtering capacity, coil section with refrigerant cooling coil and fan section, insulated drain pan of adequate size.

1.0 TR Ceiling mounted type 4 Way compact Cassette Indoor Unit.

1.5 TR Ceiling mounted type 4 Way compact Cassette Indoor Unit.

2.1 TR Ceiling mounted type 4 Way Cassette Indoor Unit.

REFRIGERANT PIPING, COMMUNICATION AND DRAIN WATER ARRANGEMENT.

Supply & installation of 18G, hard drawn copper Refrigerant piping, duly insulated with closed cell elastomeric nitrile rubber insulation, class-o, complete with elbows, T joints, sleeves etc., with GSS slotted rail supporting arrangement and GI clamp for individual pipes.The piping to be duly insulated with minimum 19mm thick closed cell elastomeric nitrile rubber insulation for suction and minimum 13mm thick for discharge.

6.4 mm with 13mm / 19mm Thick Insulation

9.5 mm with 13mm / 19mm Thick Insulation

12.7 mm with 13mm / 19mm Thick Insulation

15.9 mm with 13mm / 19mm Thick Insulation

19.10 mm with 13mm / 19mm Thick Insulation

22.2 mm with 13mm / 19mm Thick Insulation

25.40 mm with 13mm / 19mm Thick Insulation

28.60 mm with 13mm / 19mm Thick Insulation

31.80 mm with 13mm / 19mm Thick Insulation

34.90 mm with 13mm / 19mm Thick Insulation

Ladder type tray support for exposed copper pipes outside the building , all copper pipes shall be neatly clamped and fixed properly with supports, hangers, railing, brackets etc. and tray shall be coated with two coat of epoxy primer and two coat of epoxy paint of black color. The outdoor units shall be provided with vibration isolation pads.

Supply, installation, testing and commissioning of Protective layer for copper piping with woven fibre glass cloth wrapped around copper piping tubular insulation and finised with PVAC based high strength glue with anti fungal property of approved colors.

Installation, Testing and Commissioning of Branch distribution refnet joints, Y-shape branching joints, branch headers/ T-shape branching joints etc for VRF units as required.

Supply & Installation of insulated PVC drain pipe of following dia with insulations neatly clamped or hanged on walls / celing and connecting with nearest drain point with proper supports

Supply & Installation of Communication cable between indoor and outdoor units with sheilded cable with PVC conduit and accessories as required.

SUPPLY AND FIXING POWER SOCKETS, SWITCH BOARDS,ENCLOUSERS

Supplying and fixing suitable size GI/PVC box with modular plate and cover in front on surface or in recess, including providing and fixing 6 pin5/6A & 15/16 A modular socket outlet and 15/16A modular switch, connections etc. as required.

Wiring for circuit/submain wiring alongwith earth wire with the following sizes of FLRS PVC insulated copper conductor , single core cable in surface / recessed medium class PVC conduit as required.2 X 2.5 sq.mm + 1 X 2.5 sq.mm earth wire

Supplying and fixing DP sheet steel enclosure on surface/ recess along with 25/32 A 240 V "C" curve DP MCB complete with connections, testing and commissioning etc. as required.

Wiring for light/ power plug with 2X4 sq. mm FRLS PVC insulated copper conductor single core cable insurface/recessedmedium class PVCconduitalongwith1No4 sq. mm FRLS PVC insulated copper conductor single core cable for loop earthing asrequired.

SUPPLY OF FOLLOWING ITEMS

Supply Symphony Surround High Speed Bladeless Technology Tower Fan for Home With Swivel Action, Dust Filter, and Low Power Consumption (Grey) (OR) Any other suitable equivalent make: crompton, bajaj, havells

Supply of portable temerature controlling unit , with timer provision, suitable for heating purpose working on induction principle of voltage 230V/50Hz The range of temperature control unit should me max upto 2000-2500 deg of following make:Philips Viva Collection Hd4938/01 2100-Watt any other suitable euivalent make crompton, havells, Bajaj, etc.

BS Engineering India Pvt Ltd

HVAC WEATHER DESIGN