Reconfiguration of Terminal Building in Madurai Airport. Phase-I. SH HVAC Work

Amount

Supply, Installation, Testing and commissioning of factory built floor mounted chilled water double skin type horizontal/vertical air handling units made of 25mm thick panels consisting of pre plasticized G.I. casing of thickness 1.0 mm outside layer and 0.8 mm inside layer with polyurethane foam (PUF) insulation factory injected between them by injection moulding machine, complete with blower section with blower suitable for static pressure as required, minimum 2 bend GSS/PVC eliminators, cooling coil section with aluminium finned copper tubes (tubes thickness not less than 0.5mm) cooling coil of 6 row deep, filter section with 50mm thick metal viscous/ washable synthetic type air prefilters, Electronically Commutated Fan motor of efficiency class IE4 suitable for 415 ± 10% volts, 50Hz, 3 Phase AC supply suitably designed for variable frequency drive applications, drain connections, stainless steel (18G) drain pan with PUF insulation, 150 mm dia. dial type pressure gauges (2 nos.) and industrial type thermometers (2 nos.) at the inlet and outlet of coil, dynamic balancing valve, auto purge valve wherever required, necessary vibration isolation arrangement including High efficient MERV-14 fillters along with electronic filters to maintain the PM 2.5 Air Index level, Electric Starter / control panel etc. complete as per specification and of following capacities as required.( All AHUs shall have provision for supervision & control from the existing Honeywell make BMS system compatibility) a) 30000 CFM

Supply, Installation, Testing and commissioning of factory built floor mounted chilled water double skin type horizontal/vertical air handling units made of 25mm thick panels consisting of pre plasticized G.I. casing of thickness 1.0 mm outside layer and 0.8 mm inside layer with polyurethane foam (PUF) insulation factory injected between them by injection moulding machine, complete with blower section with blower suitable for static pressure as required, minimum 2 bend GSS/PVC eliminators, cooling coil section with aluminium finned copper tubes (tubes thickness not less than 0.5mm) cooling coil of 6 row deep, filter section with 50mm thick metal viscous/ washable synthetic type air prefilters, Electronically Commutated Fan motor of efficiency class IE4 suitable for 415 ± 10% volts, 50Hz, 3 Phase AC supply suitably designed for variable frequency drive applications, drain connections, stainless steel (18G) drain pan with PUF insulation, 150 mm dia. dial type pressure gauges (2 nos.) and industrial type thermometers (2 nos.) at the inlet and outlet of coil, dynamic balancing valve, auto purge valve wherever required, necessary vibration isolation arrangement including High efficient MERV-14 fillters along with electronic filters to maintain the PM 2.5 Air Index level, Electric Starter / control panel etc. complete as per specification and of following capacities as required.( All AHUs shall have provision for supervision & control from the existing Honeywell make BMS system compatibility) b) 25000 CFM

Supply, Installation, Testing and commissioning of factory built floor mounted chilled water double skin type horizontal/vertical air handling units made of 25mm thick panels consisting of pre plasticized G.I. casing of thickness 1.0 mm outside layer and 0.8 mm inside layer with polyurethane foam (PUF) insulation factory injected between them by injection moulding machine, complete with blower section with blower suitable for static pressure as required, minimum 2 bend GSS/PVC eliminators, cooling coil section with aluminium finned copper tubes (tubes thickness not less than 0.5mm) cooling coil of 6 row deep, filter section with 50mm thick metal viscous/ washable synthetic type air prefilters, Electronically Commutated Fan motor of efficiency class IE4 suitable for 415 ± 10% volts, 50Hz, 3 Phase AC supply suitably designed for variable frequency drive applications, drain connections, stainless steel (18G) drain pan with PUF insulation, 150 mm dia. dial type pressure gauges (2 nos.) and industrial type thermometers (2 nos.) at the inlet and outlet of coil, dynamic balancing valve, auto purge valve wherever required, necessary vibration isolation arrangement including High efficient MERV-14 fillters along with electronic filters to maintain the PM 2.5 Air Index level, Electric Starter / control panel etc. complete as per specification and of following capacities as required.( All AHUs shall have provision for supervision & control from the existing Honeywell make BMS system compatibility) c) 22500 CFM

Supplying, fixing, testing and commissioning of following valves, strainers, gauges in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications. a) BUTTERFLY VALVE (MANUAL) with CI body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled water/ hot water circulation as specified (80 mm dia )

Supplying, fixing, testing and commissioning of following valves, strainers, gauges in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications. b) BUTTERFLY VALVE (MANUAL) with CI body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled water/ hot water circulation as specified (100 mm dia )

Supplying, fixing, testing and commissioning of following valves, strainers, gauges in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications. a) Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation as specified. (80 mm dia )

Supplying, fixing, testing and commissioning of following valves, strainers, gauges in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications. b) Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation as specified. (100 mm dia )

Supplying, fixing, testing and commissioning of 100 mm dia condenser water pipes of MS ‘C’ class along with necessary clamps, vibration isolators and fittings such as reducer, bends, tees etc. but including valves, strainers, gauges etc. adequately supported on rigid supports duly painted/buried in ground excavation and refilling etc. for laying beyond the AHU room drain (if necessary) as per specification, complete as required as per site condition and as required complete in all respect. Note:-The Pipes size 150 mm & below shall be M.S. ‘C’ class as per IS : 1239. 100 mm dia.

Supply, Installation, Testing and Commissioning of 80 mm dia sizes electronic, selfbalancing, pressure independent type dynamic balancing valve with integrated 3 way modualating control valves in a single body. The actuator shall be capable of accepting upto 10V DC and upto 20mA electric signal and shall provide similar transduced feedback output to control system. Maximum close off pressure shall not be less than 6 Bar for upto 50 mm valves and not be less than 7 Bar for 65 mm & above. Valves should have pressure rating of 25 Bar minimum.

Supply, Installation, Testing and Commissioning of 100 mm dia sizes electronic, selfbalancing, pressure independent type dynamic balancing valve with integrated 3 way modualating control valves in a single body. The actuator shall be capable of accepting upto 10V DC and upto 20mA electric signal and shall provide similar transduced feedback output to control system. Maximum close off pressure shall not be less than 6 Bar for upto 50 mm valves and not be less than 7 Bar for 65 mm & above. Valves should have pressure rating of 25 Bar minimum.

Supply, installation, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc. as per specifications.

Supply, installation, testing and commissioning of Motorized (ON-OFF Type) duct mounted GI volume control damper with enthalpy sensor and necessary control wire (minimum 1.5 sqmm) for integration within AHU room (with Actuators).

Dismantling the exisitng Air Handling Units (3 nos.) and all its accessories, transportation, stacking the dismantled materials at the location as decided by AAI, to the complete satisfaction and as per directions of Engineer-in-charge etc. as required.

Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of 0.80 mm sheet thickness complete as required.

Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of 1.00 mm sheet thickness complete as required.

Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of 1.25 mm sheet thickness complete as required.

Supplying & fixing of powder coated extruded aluminium Return air grill with louvers but without volume control dampers complete as required

Supply,installation,testing and commissioning of Supply air jet Nozzle with dampers in extruded Aluminium construction and powder coated finish as per specifications and drawings of 380 mm dia.

Fixing of acoustic lining of supply air duct and plenum with 25mm thick resin bonded glass wool having density of 32Kg/m³, with 25mm X 25mm GI section of 1.25mm thick,at 600mm centre to centre covered with Reinforced Plastic tissue paper and 0.5mm thick perforated aluminium sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc. complete as required and as per specifications.

Supplying and fixing 50 mm thick aluminium foil faced resin bonded fibre glass insulation (on duct) of density 24 kg/cu.m or mineral wool insulation (non combustible) of density 44 kg/ cu. m after applying two coats of cold setting adhesive (CPRX compound) sealing all joints with self adhesive aluminium tape & covering with 0.63mmx19mm GI wire mesh netting butting all joints and laced with GI wire complete as per specifications and as required. (for indoor applications).

Supplying, Laying, Testing and Commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isloators and fittings but excluding valves, strainers, gauges etc.) duly insulated with 80 Kg/cum density resin bonded fiber glass or 144 Kg/cum density mineral wool insulation (non combustible) pipe section insulation covered with a layer of 120 gm/sqm polythene sheet (vapour barrier) and finally applying 0.63mm aluminium sheet cladding complete with type3, grade 1 roofing feltstrip (as per IS: 1322 as amended up to date) at joints and repairing of damage to building etc. as per specifiactions and as required.The pipes of sizes 150mm and below shall be MS 'C' class as per IS: 1239 with minimum 6.35mm thickness. Chilled water piping of nominal size-100mm dia (50 mm thick insulation)

Supplying, Laying, Testing and Commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isloators and fittings but excluding valves, strainers, gauges etc.) duly insulated with 80 Kg/cum density resin bonded fiber glass or 144 Kg/cum density mineral wool insulation (non combustible) pipe section insulation covered with a layer of 120 gm/sqm polythene sheet (vapour barrier) and finally applying 0.63mm aluminium sheet cladding complete with type3, grade 1 roofing feltstrip (as per IS: 1322 as amended up to date) at joints and repairing of damage to building etc. as per specifiactions and as required.The pipes of sizes 150mm and below shall be MS 'C' class as per IS: 1239 with minimum 6.35mm thickness. Chilled water piping of nominal size-80mm dia (50 mm thick insulation)

Supplying, Fixing,testing and commissioning of UL listed fire & smoke dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. Fire & Smoke Damper

Supply, installation, testing and commisioning of Motorized (ON - OFF Type) wall mounted GI Fresh / Exhaust air volume control damper with intelligent smoke sensor, Actuator and necessary control wire (minimum 1.5 Sq.mm) for intergration with AHU room with existing Honeywell BMS panel.

Supplying, installing, testing and commissioning of AMCA certified for Air and Sound performance cabinate INLINE FANS suitable for installing in any position in vertical or horizontal ducts. The casing shall be double skin, internally acoustically lined and constructed of galvanised steel. The fan shall be DIDW with forward / backward curve impeller fitted with maintenance free external rotor motor. The motor shall be suitable for 220±10% / 415±10% volt single/three phase 50 cycles AC supply. Quoted price shall be inclusive of starter panel with cabling between starter panel and fan. The fan shall have low sound level exceeding not more than 55 DBA at three metre distance. (All Ventilation fan shall have provision for supervision & control from the existing Honeywell make BMS system compatibility) Air Quantity : 2500 CFM Static Pressure : 65 mm wg

Supplying, Fixing,testing and commissioning of UL listed fire & smoke dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. Actuator

Supply of Air Curtain of Size: 265 X 255 X 1220mm, Single Phase, 230V 50Hz, pre Lubricated both side sealed Bush bearing etc. as per technical specifications to replace the existing air curtains already installed at site.

Supplying, fixing, testing and commissioning of following valves, strainers, gauges in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications. a) Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation as specified. (200mm dia )

CAC ENGINEERS PVT LTD

NAR ENGINEERS

Skyline Airconditioning Engineers Pvt. Ltd.

Supertech Engineers

TRAC FUJICO AIR SYSTEMS LLP