Providing of AC - Rooftop Type Package AC along with GI ducting etc

Amount

8 TR Capacity Rooftop Package AC with 2800CFM capacity . Power Supply : 3 phase,415 volts, 50 Hz ; Number of compressors : 01 (one); Condenser : Air Cooled ; Weather proof electro galvanised mild steel casing is coated with an epoxy polyster powder coating for protection against corrosion. Rooftop AC design DX cooling coil with Static pressure : 100 Pa. Complete details in detailed tender speicficaitons.

Supply

Erection

16 TR Capacity Rooftop Package AC with 7000CFM capacity . Power Supply : 3 phase,415 volts, 50 Hz ; Number of compressors : 02 (Two); Condenser : Air Cooled ; Weather proof electro galvanised mild steel casing is coated with an epoxy polyster powder coating for protection against corrosion. Rooftop AC design DX cooling coil with Static pressure : 150 Pa. Complete details in detailed tender speicficaitons.

Supply

Erection

GI ducting along with suitable supporting MS angle structure based on the approved drawings as per site conditions

Supply: GI ducting 22 Gauge

Erection: GI ducting 22 Gauge

Supply: GI ducting 24 Gauge

Erection: GI ducting 24 Gauge

THERMAL INSULATION OF DUCTS ( EXPOSED ): Supply and Application of External Thermal Insulation of Supply Air and return air ducting coming out side. Material of construction shall be cross linked polyolefin/polyethylene foam material with closed cell structure and with factory applied reinforced aluminium foil. The density of the same shall be within 25 Kg/m3.The material should have a thermal conductivity not exceeding 0.032 W/mK. The insulation material shall be shall be stuck to the cleaned duct surface by factory pre-fixed cold adhesive. The finishing will be carried out with fixing 200 gsm glass cloth with the help of adhesive Fevicol lag coating (AF 5590) . Finally it will be painted with synthetic enamel paint. The material and installation methodology should be in accordance with the specifications. Insulation shall be of 25 mm thick with 200 GSM glass cloth finishing.

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Erection

THERMAL INSULATION OF DUCTS (UN EXPOSED) : Supply and Application of External Thermal Insulation of Supply Air ducting. Material of construction shall be cross linked polyolefin/ polyethelene foam material with closed cell structure and with factory applied reinforced aluminium foil. The density of the same shall be within 25 Kg/m3. The material should have a thermal conductivity not exceeding 0.032 W/mK. The insulation material shall be shall be stuck to the cleaned duct surface by factory pre-fixed cold adhesive. The material and installation methodology should be in accordance with the specifications. Thickness of insulation:25mm.

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ACOUSTIC INSULATION OF DUCTS : Supply and Application of Acoustic insulation for the initial portion of supply air ducting. Material of construction shall be fibre-free elastomeric nitrile rubber foam with open cell structure . The density of the same shall be within 140-180 Kg/m3. The material should have a thermal conductivity not exceeding 0.050 W/mK. The maximum surface temperature the material should withstand is 105° C and minimum temperature should be -20°C. The material should conform to Class 1 rating for surface spread of Flame as per BS 476 Part 7. The insulation material shall be shall be stuck to the cleaned duct surface by factory pre-fixed cold adhesive. The material and installation methodology should be in accordance with the specifications. Thickness of insulation:25mm.

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Under deck insulation of exposed roof with 50mm thick EPS, 18 kg density TF quality.

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POWER CABLING : Power supply cable ( Armoured , FRLS- Cable & Four Core -Copper ) from MCBDB to Rooftop Package AC with GI wire for double earthing.

Supply : 10 Sq.mm for 8 TR Capacity Rooftop Package AC

Erection : 10 Sq.mm for 8 TR Capacity Rooftop Package AC

Supply : 16 Sq.mm for 8 TR Capacity Rooftop Package AC

Erection : 16 Sq.mm for 8 TR Capacity Rooftop Package AC

Communication cable from 8 TR & 16 TR Rooftop Package AC to Remote control unit locations (in the control rooms). Cable shall be run in suitable PVC pipe with necessary fittings,etc. Remotes shall be fixed in a suitable CPVC box with required materials

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Erection

GI Earth strip of 3mm thick one inch flat

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Erection

Aluminum SA grills : Supply & Installation of Aluminium powder coated ( of minimum thickness of 0.8mm )grill with Valume Control dampers for Supply Air.

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Erection

Aluminum RA grills : Supply & Installation of Aluminium powder coated ( of minimum thickness of 0.8mm ) grill without Volume Control dampers for Return Air.

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Erection

DAMPERS: Supply, installation, testing and commissioning of Factory fabricated low leakage volume control/duct dampers of Aerofoil-blade Aluminium dampers.

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Erection

STRUCTURAL FABRICATED STEEL WORK: Supply, Fabrication , Cutting, Welding , Erection at site and painting of M. S. Angle structural steel work for required truss, AC /Supporting structurer/etc. & as per site requirements, etc. based on the approved drawings. The work should be carried out as per good manufacturing and installation practices in concurrence with approved drawings. The structural steel materials should confirm to IS : 2062 (latest version) as per drawings. All welding electrodes to confirm to relevant IS codes. Fabrication and erection of the structural steel works shall be as per IS: 800 and welding work as per IS:816 and IS: 822. Finally all steel work to be painted with one coat of zinc chromate primer and two coats of metal primer paint.

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Erection

GI Cable Tray perforated ladder type of required sizes as per the site conditions

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Erection

Condensate water drain piping : CPVC drain piping with insulated out of class O closed cell elastomeric nitrile rubber material with U trap., bends, clamping, etc.

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Erection

Electrical power supply panel (MCBDB) board for 8 TR Rooftop Package AC Unit - One suitable size incommer- isolator and 3 outgoing (02W+01SB) MCB's.(as recommended by OEM). Indication lamps for Power supply, AC - ON & OFF and Voltage & Current measuring meter (mutli function meter) as per IS code. Complete details in detailed tender speicficaitons.

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Erection

Electrical power supply panel (MCBDB) board for 16 TR Rooftop Package AC Unit - One suitable size incommer- isolator and 3 outgoing (02W+01SB) MCB's. Indication lamps for Power supply, AC - ON & OFF and Voltage & Current measuring meter (mutli function meter) as per IS code.Complete details in detailed tender speicficaitons.

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Erection

Removal of existing GI ducting & closing the openings with suitable GI duct with necessary fittings, etc. and safe disposal at Stores with necessary transporatation.

Supply

Erection

ETA Engineering Pvt Ltd

Fresh Air Tecnologies

INTEGREATED COOLTECH PVT LTD