WBPWD/SE/SWEC/NIQ19/2022-23 /Retender

Amount

Supply of Ceiling Mounted Ductable DX type Air Conditioning Unit with minimum 198000 btu/hr or higher Cooling capacity, minimum 6600 CFM or higher Air Flow, with 2 / 3 nos., Scroll compressor, 400V/3 PH/50 Hz Microprocessor based Controller of minimum 16.5 TR or higher nominal capacity with R-32 / R-407 / R-410A Refrigerant. (Make : Hitachi /Daikin / Carrier /Voltas)

Supply of Single Skin Centrifugal Cabinet Type Fan complete with DIDW- forward curved belt driven centrifugal blower Rotaion of fan 1760 RPM, Epoxy/ galvanized steel sheet cabinet with service access doors, Inlet & outlet drilled flanges 5.6 KW, 4 pole, IE - 2, IP -55 Standard 3Ph/415V/50 hz VFD Motor(Make: ABB/Cromptom) with Fixed base, common base frame with spring isolators,Flange at inlet and outlet are provided to facilitate duct connection necessary hanging/supporting members, water prof VFD Panel for Fan's Speed control etc. Sound level-65 dba. Capacity 70mm/wc Static pressure, 7500 CFM, (Elta/Edgetech/VTS).

SITC of Treated Fresh Air arrangement with multi stage filtration, Control damper, Actuator, complete with linkage control, Bird screen, etc.

SITC of 10 Micron Pre Filter with Frame, it will be fitted on Centrifugal Exhust fan, TFA Units & on the Fresh air Damper (Make: Spectrum/ AFI).

SITC of 10 Micron Fine Filter with Frame, it will be fitted on Centrifugal Exhust fan, TFA Units & on the Fresh air Damper (Make: Spectrum/ AFI).

SITC of MERV-17 0.3 Micron Hefa Filter with minimum 450mm Depth, it will be fitted on Centrifugal Exhust fan.(Make: Spectrum/ AFI).

Supply and fixing of UVC EMIITTER for the above fan's for prevention of fungus , The minimum UV intensity in the coils shall be 700-800 UW-SEC/CM2. The unit shall be UL.Listed (UL-1995) to be fitted on Centrifugal Exhaust and IDUs.

Installation, Testing & Commissioning of the above Exhaust & Air Conditioning systems with all necessary accessiores for hanging Indoor & Outdoor Units

For 16.5 TR Ductable Units.

For 7500 CFM Centrifugal Exhaust system.

Copper refrigeration pipe line for liquid and suction line with hard drawn copper piping with supports & brackets

Cu.HD Pipes Liquid line dia 12.7 mm .with 9mm thick nitrile insulation.

Cu.HD Pipes Suction line dia 22.2 mm with 13mm thick nitrile insulation.

Supply and fixing of necessary electrical arrangements of Air Conditioning Units, PVC insulated FRLS grade Copper cable for connection betweeen indoor and outdoor units, 1.1 KV grade.[FINOLEX / POLYCAB / RR KABEL]

7 core x 1.5 mm²

4 core x 6 mm²

Supply & fixing of dia UPVC drain pipes with all necessary hanging arrangements & 9mm Heat Retardant Thermal insulutaion.

Dia 32mm

Dia 25mm

SITC of Site Fabricated G.I Sheet Metal Square Air Duct complete with Angle, Fastner, supports, dampers etc. as per specifications & site requirement.

For 24 SWG

For 22 SWG

For 20 SWG

Supply and Fixing of Air Duct Insulation.

Supply and fixing Heat Retardant closed cell Class'O' 9mm thk Nitrile Rubber insulation inside Supply Air duct.

Supply and fixing Heat Retardant closed cell Class'O' 9mm thk Nitrile Rubber insulation with AI Foil Faced Outside Supply Air duct.

Supply & Fixing of Air Diffuser With VCD. (Duct Bottom Surface Mounted)

Supply & Fixing of Liner type AI Powder Coated Continuous Grill with VCD for Exhaust Air. (Duct Bottom Surface Mounted monted)

Supply and Fixing of Motorized Volume Control Damper.

Supply and Fixing of Motorized Non-Return Type Flow Control Damper .

Supply & Fixing of Fusiable Link Fire Damper,Galvanized Steel Sheet with 125 GSM Zink Coated, Certified by CBRI ( U-555, 1995),with minimum fire rating not less than 120 min, must be Fusiable Link Spring with 74°C Temerature rating Ul Listed

Providing and fixing fire retardant nonporous double layer flexible connection between IDU, Exhaust, TFA units and duct.

SITC of heavy duty anti vibrational pad to protect the system from any kind of unwanted vibration.

Supply & Fixing of G.I Cable tray 50mmx 300mm x 50mm

Lifting Shifting of Indoor and Outdoor units,TFA Units, Exhaust units, Scafolding, Minor Civil Work for mending the goods and Carriage of Lowside materials

Supplying, fabrication & fixing 03 Nos. M.S. Angle/M.S C chanel of size (75 mm x 75 mmx6mm) for placing the outdoor unit of ductable split AC incl. drilling 05 nos holes in each Angle including cutting holes into the wall & grouting the same (1:1 ½ :3) etc for Air Conditioning Units

Supplying, fabrication & fixing 4 Nos. M.S u-channel of 6 mm thick of size (75 mm x 40 mm x 40 mm) for making Base Frame table type for installation of Exhaust Cabinet incl. drilling 2 nos holes in each channel. fabricated with 4 Nos.Baricated the same for maintenance horizontal angle of 50 mm x 50 mm x 6 mm Inscl Platform as per direction of E.I.C.. Area of Platform 9mtr x 1.8mtr for Placing the Exhaust Units & TFA.

NATIONAL AIRCON

Lyric International