Renovations of AC Systems at CFFP

Amount

11 TR Capacity Floor Mountd Package Type AC unit (i) Power Supply : 3 Ph, 415Volts, 50 Hz (ii) Refrigerant : Eco friendly / R-410A (iii) Control :Intelligent Microprocessor contrl with LCD display (iv) No. of Compressors & Type : 01 No. & High Energy Efficient (v) No. of condensers : 01 No. (vi) Type of Condenser : Water Cooled - Shell & Tube (vii) Nominal Air Flow : Range from 4180 CFM to 4620 CFM

Supply

Erection: 11TR PAC-4Nos, 8.5TR PAC-7Nos.

Dismantling & Shifting: 8.5TR floor mounted package ac units, GI piping and accessories.

Cooling tower water pipe line for INLET in GI - Size : 2 " for 11 TR & 8.5TR Package ACs - including flanges, elbows, couplings, nipples , welding, etc. as required. Ball valve - 1/2 " size - 2 nos., Butter fly valves for Inlet - 4 nos.; digital pressure guages ( range 0-16Kg/Cm2) - 2 nos. , digital flow meters( range up to 200 lpm) -02 nos. for measuring cooling water in the Inlet. Entire GI piping shall be done painting with red oxide & double coat metal metal primer painting ( preferably - green colour) & as required as per site conditions .

Supply

Erection

Supply & Laying of Cooling tower water pipe line for OUTLET in GI - Size : 2.5 " for 11 TR & 8.5TR Package ACs - including flanges, elbows, couplings, nipples, welding, etc. as required. Ball valve - 1/2 " size - 2 nos., Butter fly valves for Inlet - 4 nos. Entire GI piping shall be done painting with red oxide & double coat metal metal primer painting ( preferably - green colour) & as required as per site conditions

Supply

Erection

GI ducting based on the approved drawings as per the site conditions

Supply :GI ducting 22 Guage

Erection : GI ducting 22 Guage

Supply :GI ducting 24 Guage

Erection : GI ducting 24 Guage

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.

Supply

Erection

Supply installation of Flexible canvas cloth with zip

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.

Supply

Erection

SA Diffusers : Supply & Installation of Aluminium powder coated ( of minimum thickness of 0.8 mm ) grill without Volume Control Damper (VCD) alongwith all necessary hardware complete in all respects.

Supply

Erection

RA Diffusers : Supply & Installation of Aluminium powder coated ( of minimum thickness of 0.8 mm ) grill without Volume Control Damper (VCD) alongwith all necessary hardware complete in all respects as per the site conditions.

Supply

Erection

Damper : Supply and fixing of volume control dampers with chrome plated spindles, self lubricated bushes, full enclosure for blade linkages, operating handle equiped with position indicator. 18g GI for frame,20g for Blades

Supply

Erection

FIRE DAMPERS:Fusible link type fire dampers with 90 min fire rating with limit switch. And fire damper actuators.

Supply

Erection

STRUCTURAL FABRICATED STEEL WORK: Supply, Fabrication , Cutting, Welding , Erection at site and painting of M. S. Angle structural steel work for required truss, PAC /Supporting structurer/etec. & 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 synthetic enamel paint.

Supply

Erection

CPVC drain Pipe-40 mm : Hard CPVC drain piping insulated out of class O closed cell elastomeric nitrile rubber with U trap & necessary fittings/clampings, etc.

Supply

Erection

POWER CABLES:Supply, Installation, Testing & Commissioning of BIS Certified FRLS , PVC insulated Armoured Copper Power Cables of suitable ratings/sizes mentioned below between the distribution board, PAC Condensing Units and Interlocking etc., including lugs, crimping and terminations identifying labels duly clamped. All cables layed in suitable size cable tray with earthing strip(25x3mm).

Supply: 16 Sq.mm 4 core copper conductor multigland Armoured FRLSH

Erection: 16 Sq.mm 4 core copper conductor multigland Armoured FRLSH

CONTROL CABLES:Supply, Installation and Testing of BIS certified PVC insulated Armoured FRLS copper control cable of suitable rating/size interconnecting the indoor and outdoor units.

Supply

Erection

Electrical panel (MCB DB) board for power supply to 04 Nos.X 11 TR Package AC Units - One suitable size incommer- isolator of 200 Amps rating and 5 outgoing MCB's- of 32 Amps rating. Indication lamps for Incoming power supply source and Indication lamps for AC Units ON ; OFF & TRIP for each AC Unit. Digital Multi data Meter with dual reading arrangement for volt, Amps, PF & Energy for each Pacakge AC Unit.

Supply

Erection

Testo 416- Vane Anemometer with telescope(max 890mm) incl.battery and calibration protocol: Measuring range:0.6 to 40 m/s, battery type: 9V block battery,6F22, Dimensions: 182x64x40mm. With Topsafe(to protect the instrument from dirt and impact)

Testo 420-Air flow capture Hood: Volume flow hood, with measuring instrument, body, 610x610mm flow hood, 5x tension rods, USB cable,batteries and trolly, incl. calibration protocol along with additional accessories like pitot tubes(1000mm long, stainless steel, for measuring flow )and air flow velocity matrix( telescope with ball head, length 1.8m, with 2x2m connection hose, silicon free, with velcro attachment on the telescope, for connection to differential pressure measuring instrument), different sizes hoods(360x360mm with bag, 305x 1220mm with bag, 610x 1220mm with bag, 915x 915 mm with bag), tripod(extendable to 3.3m with rollers) and connection hose :silicon-free for differential pressure measurement, length 5m, load up to maximum 700hPa and additional batteries of two sets for testo 420.

Dismantling:

GI Ducting: Dismantling, cutting(1mx1m size) and shifting to TP store

ETA Engineering Pvt Ltd