Airports Authority Of India Tender

0.8 mm sheet duct

0.63 mm sheet duct

INSULATION WORK Supply & Installation of Thermal Insulation on Duct using Closed Cell Class O Nitrile Rubber Elastomeric Insulation of Density 40 Kg/m3 (Minimum), Thermal Conductivity as per ASTM / EN standard and with Factory Laminated Aluminium Foil of 60 microns using manufacturer's recommended Rubber based Adhesive in a blend of solvents complete as per Specifications. 16mm thick Class O Nitrile Rubber Insulation with Alu Foil of 60 microns

Supply, Installation and Testing of multiblade box type GSS construction of volume control damper, to be provided with suitable links and quadrants for control of volume of air

Supply, Testing & charging of VRF system with Additional Eco-friendly Refrigerant Gas (Honeywell/Dupont)

Supplying, fixing, testing and commissioning of Balancing Valve with built in measuring facility with CI body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled / hot water circulation as specified. 150 mm dia

Providing & fixing of C.I double flange suction " Y" type strainer fabricated out of minimum 1.6 mm thick Stainless Steel sheet with 3 mm dia. perforation holes with stainless steel flange including nuts, bolts and 3 mm thick rubber insertion complete & tested to 16 Kg/Sq.cm pressure complete as required and as per tender specification. 65 mm dia

Supply, Installation, testing and commissioning of Pressure independent type 2 way Balancing and modulating Control valves in a single Unit of Valve along with Digital thermostat & its connecting wiring. PN10 Rating. DN 15 to DN 32 in Brass Body Ext. Threaded, DN 40 & DN 50 in Cast Iron Body, Ext. Threaded DN 65 to DN 100 Cast Iron body, flanged connection Duly mounted with Modulating actuator IP42/54. Accordingly type suitable for 24V/230V AC. As per specifications of following sizes:

125 mm

50 mm

Supplying, fixing, testing and commissioning of Butterfly Valve (Mannual) with C I body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled water/hot eater circulation as specified., strainers, gauges in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications.

250 mm dia

150 mm dia

125 mm dia

100 mm dia

65 mm dia

Providing and fixing following size ball valve (brass) of approved quality, High or low pressure, with plastic floats complete.

50 mm nominal bore

25 mm nominal bore

Supply, Installation, testing and Commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/harddrawn copper refrigerant piping for VRV/VRF system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, insulated with XPLE Class-O tubular insulation/with Class-O closed cell elastometric nitrile rubber tubular sleeves sections of specified thickness as given below for Suction and Liquidlines, all accessories as per specifications etc. as required :

44.40 mm dia(OD) (Hard drawn) with tube thickness 1.62 mm with 19 mm thick insulation

31.60 mm dia(OD) (Hard drawn) with tube thickness 1.62 mm with 19 mm thick insulation

25.20 mm dia(OD) (Hard drawn) with tube thickness 1.20 mm with 19 mm thick insulation

SITC of Powder coated extruded aluminium construction square / round shape supply air diffusers with removable core & anti smudge ring & volume control dampers as per approved drawings and specifications.

SITC of Powder coated extruded aluminium construction. Square / round shape return air diffusers with removable core, antismudge ring & without volume control damper as per specifications.

SITC of Powder coated extruded aluminium construction Linear Grilles with removable core as per approved drawings and specifications.

INLINE FAN WITH SPEED REGULATOR Supply, Installation, Testing and Commissioning of Inline Fan with direct/belt driven motor, belt guard, motor mount & vibration isolation type mounting. Casing shall be of 14 gauge steel sheet with min. 20 mm thick motor mounting plate. Vanes shall be Aerodynamically designed for max.efficiency the casing shall be bonderized, primed & coated with enamel paint. Hub & blades will be of Aluminium, blades shall be Aerofoil section for max. efficiency. Max clearance between blade tip & fan housing shall be 5 mm. The blade shall be tested at speed of 25% above the design operation speed. Motor shall be IE3 415/220 + 10% volts, 50 cycles,3 phase with class F insulation. Max. speed of motor shall be 1500 RPM, complete as per specifications & drawings. Fan should be complete with fire retardant, water proof double flexible connection between fan & duct.

Capacity: 900 CFM Minimum Static Presure : 20 mm Of wg

Capacity: 1800 CFM Minimum Static Presure : 39 mm Of wg

Installation, testing and commisioning of 11 TR treated fresh Air Unit (indoor + Outdoor) at ceiling with necessary arrangement of fixing work, etc. as required.