Preparation of labs of Dr Samrat Mukhopadhyay, Dr Vidya Negi and Dr Sadhan C Das, SH HVAC Work

Supply Installation,Testing &Commissioning of modular type Variable Refrigerant Flow/Variable Refrigerant Volume air cooled Outdoor units suitable for cooling and heating,having all hermetically sealed in vertertype Scroll Compressor(s) ,minimum two compressors for above14HPmodules, microprocessor based Controller,top discharge type condensing unit(s),with R410A Refrigerant,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 temperaturewithouttripping.Theunitshallbesuitabletoworkon400V+/-10%,3Phase,50HzACpowersupply.Theunit shallbefilledwithfirstchargeoftherefrigerantandreadyforuseasrequired.TheCOPatAHRI conditions shall not be less than 3.1 and IEER not less than 6.5 . of 14HP

Supply of following Double skin Air handling unit with Thermal break, 2 nos DX copper cooling coil (1 working + 1 standby) as per the attached specifications & lifting. Positioning, connecting at all floor.

900 CFM, 1 coiling coil, Backward curved blower, 110 mm-125 mm static pressure having box type pre filters, fine filters and hepa filters with MS stand

Supply, assembly erection, Testing and commissioning of AHU VRV kit of following capacity

(Supply of Y-joints.)

Refrigerant Piping

Supply,Installation,testingandcommissioningincludingvaccumiazationandNitrogentestingoffollowingnominalsizesofsoft/harddrawncopperrefrigerantpipingforVRV/VRFsystem,completewithfittings,withsuitableadjustableringtypehangersupports,jointing/brazingincludingaccessories,insulatedwithXPLEClass-Otubularinsulation/withClass-OclosedcellelastometricnitrilerubbertubularsleevessectionsofspecifiedthicknessasgivenbelowforSuctionandLiquidlines,allaccessoriesasperspecifications etc. as required :

28.58mmdia(OD)(Harddrawn)withtubethickness1.2mmwith19mm thick insulation

22.2mmdia(OD)(Harddrawn)withtubethickness1.2mmwith19mm thick insulation)

15.86mmdia(OD)(Softdrawn)withtubethickness1.2mmwith19mm thick insulation

12.7mmdia(OD)(Softdrawn)withtubethickness1.2mmwith19mm thick insulation

9.5mmdia(OD)(Softdrawn)withtubethickness1.2mmwith19mmthick insulation

Instrumentation cable (copper armoured).

4 x 16 sqmm

4x 4 sqmm

CONTROL & TRANSMISSION WIRING

Supply, Installation, Testing and Commissioning of control cum transmission wiring of copper wire in suitable PVC conduits between indoor & outdoor units to central remote controllers & for connections between indoor unit to remote control

6 sq. mm x 4 Core

Supplying and drawing of cable Fire Retardant PVC insulated copper conductor cable in the existing surface / recessed steel conduit of following pairs, cores and size including connections and interconnections etc. as required.

speaker cable Two pair, 2-core, 1.5 sqmm

Drain Piping

With Following Rigid PVC Piping complete with fittings, supports as per specifications and duly insulated with 6mm thickness of XLPE closed cell nitrile rubber as per direction of Engineer-in-charge & specifications enclosed as reqd.

32 mm dia

Supply, installation, testing and commissioning of Site fabricated sheet metal ducting complete with supports, dampers etc. as per IS 655 and approved drawing and as per specifications of below gauges:

Thickness 0.63 mm sheet

Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class "O") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required.

Inside the building

Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specifications..

Supplying & fixing of powder coated extruded aluminium Return Air Grills with louvers but without volume control dampers complete as required..

COMPLETE COOLING SOLUTIONS LLP