Renovation of Auditorium including Electrical Installation Work, Stage Lighting System, Fire Detection System and Air Conditioning System at Bangabasi College, Kolkata- 700 009--- SITC of Ductible Airconditioning system.

Amount

S & delivery of ceiling suspended ductible type split airconditioner having microprocessor based control system and the following specification: Capacity-5.5 Tonnage (upto +1 TR acceptable) Rated Cooling Capacity -66000 BTU/Hr No. of IDU-1 No Air-flow/IDU-2200CFM No of ODU-1No.with P2 type capacitor. Compressor -1 No Scroll Compressor Refrigerent -R410A Condenser & Cooling Coil:Copper coil Power Supply :415v, 50Hz,3 Ph AC (with applicable tolarance) [Make-Carrier /Voltas/Blue Star /Hitachi /DIAKIN /Mitsubishi Electric]

Installation,Testing Commissioning charges (both indoor & outdoor unit) by making suitable scaffolding arramgement as per site condition incl. nitrogen flashing ,leak testing, vaccuming, gas charging etc. as per direction of EIC

Supply, installation,testing and commisioning of Copper Refrigeration pipe line for Liquid Line suitable for the above ductible ac units with supports & brackets (as per direction of E.I.C.) incl. 9 mm thick nitrile rubber insulation with proper tapping and mending good damages to original finish. Make of Cu Pipe - Rajco / Ryoku/ Mandev/Nippon Make of Insulation - Suprime / Accroflex / Armacell. 7/8'' (22.2mm) dia with 0.6mm thick

1/2'' (12.7mm) dia with 0.6mm thick

Supply and laying of 3C,1.5 sq.mm 1.1 KV grade copper unarmoured round Cable of the following sizes from IDU Unit to ODU unit for the above mentioned AC units (Make : Polycab/Havells/Gloster/Finolex)

S & charging of extra refrigerent 410A as per manufacturer guide line.

Supply & installation of PVC Drain Pipe Line (25 mm /32 mm OD,HD 1 mm thick )of the following size with 6 mm nitrile rubber insulation and with proper supports & brackets as per direction of E.I.C. (Make: Suprime/Oriplast)

Air Distribution System Supply,fabrication and installation of GSS sheet metal ducts (rectangular/ round) and plenum chamber complete with necessary MS supports , hangers anchor bolts, supply air collars, vanes, splitters dampers duly painted and as per specification for Air Conditioned Areas. 22 SWG sheet

24 SWG sheet

Supplying & fixing of powder coated extruded aluminium Air diffuser with aluminium volume control dampers as per specifications. . Make - Systemair / Premire / Caryaire / Airmaster

Supplying & fixing of powder coated extruded aluminium Air diffuser without aluminium volume control dampers as per specifications. . Make - Systemair / Premire / Caryaire / Airmaster

Supply & fixing acoustic lining of supply air duct and plenum with 25mm thick resin bonded glass wool having 1.25 mm thick, density 32Kg/m² with 25mm x25mm GI section at 600 mm centre to centre to centre with reinforced plastic tissul paper and 0.5mm thick perforated aluminium sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc completed as per direction of EIC. (Make- Acroflex,K-flex.)

Supply & fixing of 19mm thick class O fire retardent nitrile rubber Aluminium foil face thermal insulation on duct with adhesive for nitrile rubber. The joints shall be sealed with 50mm wide & 3mm thick self adhesive nitrile rubber tape insulation complete as per direction of EIC.

Supply & Fixing of 22 SWG GI aerofoil blades type Duct Volume Control Dampers complete with linkages, levers, fittings, supports, all accessories any other item required to make the system complete as per direction of E.I.C.

Charges for canvas connection with machine and duct as per direction of EIC.

Supply, fabrication,& fixing of MS U-channel of 6mm thick of size (75x40x40 mm) for making base frame/platform for installation of outdoor unit of above mentioned AC machines incl. 2 nos holes in each chanel cutting holes in the wall and grouting the same with sand cement concrete (1:1& 1/2:3) fabricated with 25x25x6mmand supporting angle 50x50x6mm in the outer edge for transmitting the load centrally through two nos (50x50x6mm) angle insertedinto the existing wall incl. fiber sheet shade as per direction of EIC

Note: 1) All the above rates should be quoted inclusive of all taxes & duties and LWC as applicable. 2) Total is rounded off to the nearest rupees.

NEXAIR TECHNOLOGIES PVT LTD

REFRIGERATION AND AIRCONDITIONING CORPORATION

RS COOLING APPLIANCES