Augmentation of Air-conditioners at Schools and Hospital in DAE Township, Kalpakkam and Anupuram.

Amount

Supply, installation, testing and commissioning of 3 phase mega hi-wall Split Air conditioners (wall mounted) operating on fixed speed energy efficient rotary compressor of nominal cooling capacity 3.0 TR rated cooling capacity 36,000 Btu/hr (10.548 kW), comprising of indoor unit , outdoor unit and copper tubes shall conforming to IS 1391 part – 2 and meet the following technical specification and scope of work. Power supply: 3 phase, 415V, 50Hz . Compressor type: Scroll/Rotary, Refrigerant: R32/non CFC , Condenser coil: Air cooled internally cross hatched copper tubes with anti-corrosive blue fin ( electro -plated) , Evaporator : Copper tube , hydrophilic coated blue fins, Fan speed : 4 steps (Low, Medium, High and Auto), Remote control : Wireless LCD. Including Suction line copper piping: 5.0 meter along with equipment Liquid line copper piping: 5.0 meter along with equipment, thermal insulation,etc., (Note : 1. cost of material for copper piping and cable exceeding 5.0 meter length will be paid for seperately under relevant item). 2. 4 core 4 sq.mm armoured copper cabling and earthing to connect indoor and outdoor unit as contractor scope). AC Unit of 5.0 mtr length with thermal insulation along with equipment. NOTE : 1. The warranty of unit should be one year from date of installation at site. 2. The compressor warranty should be five years from the date of installation at site. Preferred make: Voltas, Blue star, Panasonic , LG , O -General or equivalent to meet above technical specification.

Supply, installation, testing and commissioning of compact multiflow suspend mounted Cassette type split air conditioners ( cooling only) to fit inside 600 mm X 600 mm wide ceiling grid operating on fixed speed energy efficient rotary compressor of nominal cooling capacity 2.0 TR rated cooling capacity 24000 Btu/hr (7.032kW), comprising of indoor unit , outdoor unit and copper tubes shall conform to 3 star with min 3.8 ( ISEER 2023) energy efficiency ratio conforming to IS:1391 (Part-2)/92 (Amdn.1) and meet the following technical specification and scope of work. Power supply: Single phase, 230V, 50Hz . Compressor type: rotary, Refrigerant: R32/non CFC, Condenser coil: Air cooled internally cross hatched copper tubes with anti-corrosive blue fin ( electro -plated) , Evaporator : Copper tube , hydrophilic coated blue fins, Fan speed : 4 steps (Low, Medium, High and Auto), Remote control : Wireless LCD, Suction line : Copper tube OD 5/8” of 3.5 mtr length with thermal insulation , liquid line : Copper tube OD 3/8”of 3.5 mtr length with thermal insulation along with equipment, etc., all complete as per specification and as directed by Engineer- in- Charge. Note: 1. The warranty of unit should be one year from date of installation at site. 2. The compressor warranty should be five years from the date of installation at site. Preferred make: Voltas, Blue star, Panasonic , LG , O -General or equivalent to meet above technical specification.

Supply, installation, testing and commissioning of high wall mounted split air conditioners operating on fixed speed energy efficient rotary compressor of nominal cooling capacity 2.0 TR rated cooling capacity 24,000 Btu/hr (7.032kW), comprising of indoor unit , outdoor unit and copper tubes shall conform to 3 star with min 3.8 ( ISEER 2023) energy efficiency ratio conforming to IS 1391 part – 2 and meet the following technical specification and scope of work.Power supply: Single phase, 230V, 50Hz . Compressor type: fixed speed rotary, Refrigerant: R32/non CFC , Condenser coil: Air cooled internally cross hatched copper tubes with anti-corrosive blue fin (electro-plated), Evaporator : Copper tube , hydrophilic coated blue fins, Fan speed : 4 steps (Low, Medium, High and Auto), Remote control : Wireless LCD, Suction line : Copper tube OD 5/8” of 3.5 mtr length with thermal insulation , liquid line : Copper tube OD 3/8” of 3.5 mtr length with thermal insulation along with equipment. NOTE : 1. The warranty of unit should be one year from date of installation at site. 2. The compressor warranty should be five years from the date of installation at site. Preferred make: Voltas, Blue star, Panasonic , LG , O -General or equivalent to meet above technical specification.

Supply, installation, testing and commissioning of high wall mounted split air conditioners operating on fixed speed energy efficient rotary compressor of nominal cooling capacity 1.5 TR rated cooling capacity 18,000 Btu/hr (5.274), comprising of indoor unit , outdoor unit and copper tubes shall conform to 3 star with min 3.8 ( ISEER 2023) energy efficiency ratio conforming to IS 1391 part – 2 and meet the following technical specification and scope of work. Power supply: Single phase, 230V, 50Hz . Compressor type: fixed speed rotary, Refrigerant: R32/CFC , Condenser coil: Air cooled internally cross hatched copper tubes with anti-corrosive blue fin (eletro-plated), Evaporator : Copper tube , hydrophilic coated blue fins, Fan speed : 4 steps (Low, Medium, High and Auto), Remote control : Wireless LCD, Suction line : Copper tube OD 1/2” of 3.5 mtr length with thermal insulation , liquid line : Copper tube OD 3/8” of 3.5 mtr length with thermal insulation along with equipment. NOTE : 1. The warranty of unit should be one year from date of installation at site. 2. The compressor warranty should be five years from the date of installation at site. Preferred make: Voltas, Blue star, Panasonic , LG , O -General or equivalent to meet above technical specification.

Supply and installation of a set of Hot gas & Liquid line copper pipes suitable for R32 refrigerant of capacity 1.5/2.0TR, along with thermal insulation and 3 core, 2.5 sq.mm, 1100V multistrand flexible FRLS PVC copper cable to interconnect indoor and outdoor units of Cassette/Split Air conditioners. It also includes brass flare nuts at both ends and insualtion shall be preformed tubes, class "O" with 19mm thickness, etc, all complete as per specification and as directed by Engineer in charge.

2.0 TR Split Airconditioner (Hot gas tube size 5/8"with 1.02 mm wall thickness & Liquid tube size 3/8"with 0.81 mm wall thickness)

1.5 TR Split Airconditioner (Hot gas tube size 1/2" with 1.02 mm wall thickness & Liquid tube size 1/4"with 0.81 mm wall thickness)

Supply, Loading, Transportation, Unloading at site, installation, Testing and Commissioning of 1100 Volts Grade HRPVC insulated, Stranded flexible copper conductor armoured cables of following sizes in built-in trenches, on walls, poles and through embedded pipes including supply of GI spacer, clamps etc and as per the detailed specification. (Cable shall confirm to IS 1554 (part-1) and IS 694).

4 CORE X 4 Sq.mm ,1.1kV grade armoured copper cable

3 CORE X 2.5 Sq.mm , 1.1kV grade armoured cable

4 CORE X 2.5 Sq.mm, 1.1kV armoured copper cable

End Termination of the following sizes of Copper Conductor PVC Insulated and sheathed armoured Cable using Single Compression, Heavy Duty, Gland connecting the cable to the equipment such as Switches/Panel Boards etc. using Comet or equivalent make copper crimping lugs as directed by Engineer-in-Charge. The rate shall include the cost of supply of Cable Gland and Lugs. The Contractor shall arrange for making holes wherever necessary for fixing cable gland.

4 /3 Core X 4 /2.5 Sq.mm including cable gland earthing

Supply and installation of 8 SWG size of copper earth wires in built in trench between indoor and outdoor unit of a AC system as per the detailed specification.

Supply and fixing of 25 mm diameter PVC drain pipe conforming to IS :15778 including fixing with required specials, fittings including fixing of G.I "C" clamp with interval of 1.0 m with sloping, bends , couplings and T - connection etc, all complete as per specification and as directed by Engineer in charge.

Supplying, fabrication and fixing of medium weight angles for mounting of high wall split outdoor unit. The "L" angle ISA 40X40X4 mm as per ISI 808:1989 ( D 40 mm X B 40 mm X T 4.0 mm). IS angle of TATA or SAIL or approved equivalent make including cutting, painting exposed faces with two coats of anti - corrosive paint of approved colour over a coat of red oxide primer, embedding with brick wall/ pedestal etc.,complete all as per specification.

Supply and fixing of GI tray of size 150 mm X 75 mm x 2 mm: Supply and fixing of GI tray with cover and supports for outdoor side copper piping and cable: Use factory fabricated 2mm thick GI (perforated) size of 150 mm X 75 mm X 2 mm with cover GI angles ( 40 X 40 X 3 mm), clamps ( 25 X 3 mm thick flat), threaded rod ( 8 mm) and fasteners etc., for clamping the copper pipes and cables from outside area of building upto outdoor unit of multisplit AC.The GI support angles shall be grouted to the wall and roof structure using anchor fasteners. The maximum spacing between the supports shall not exceed 1200-mm. The copper piping and cable shall be completely covered with factory fabricated GI tray, etc.,

Supply and fixing of Split AC outdoor mounting stand bracket made of 2.0 mm thick heavy duty galvanised steel with two coat of epoxy powder coating of off white colour with load carrying capacity up to 100 kg with suitable fasteners.

Supply and fixing of 3.0TR mega Split AC outdoor mounting stand bracket made of 3.0 mm thick heavy duty galvanised steel with two coat of epoxy powder coating of off white colour with load carrying capacity up to 200 kg with suitable fasteners.

PVC slim duct and fittings of size 50 mm x 50 mm : Supply and fixing of PVC Slim duct and fittings of heavy duty professional grade, duct and fittings for accommodate split AC copper pipes with thermal insulation, electrical wire including bend , fittings. The maximum spacing between the supports shall not exceed 1200 mm.

PVC slim duct and fittings of size 100 mm x 50 mm : Supply and fixing of PVC Slim duct and fittings of heavy duty professional grade, duct and fittings for accommodate split AC copper pipes with thermal insulation, electrical wire including bend , fittings. The maximum spacing between the supports shall not exceed 1200 mm.

Casing and capping: Supply and fixing of Flame retardant (FR) casing and capping of 1" size , PVC material , white colour, unplasticied formulation of prolong storage or usage double lock , ISI marked as per IS 14927 , highly durability , resistance to oil and grease. Casing and capping from IDU split air conditioners to electrical MCB.

M/s Lotus Cooling System

FREEZ ENGINEERING

JVS AIR SYSTEMS

Bidder Name

M/s Lotus Cooling System

FREEZ ENGINEERING

Sri Bhavani Enterprises

JVS AIR SYSTEMS