SITC of ventilation System

Amount

Two Stage Evaporative Cooling Air Washer System (IDEC): 30000 CMH Static Presuure 80mmWC, draw through type Air Washer System with 25 mm double skin (Stainless steel) puff panels with SS 304 L hollow profiles for structural support, Completely knocked down Supply configuration, Backward curved DIDW dynamically balanced SS 304 L blower,blower motor (11 kW)with IE2, TEFC 4P, Class F insulation, S1 continuous duty, IP55 protection, V-belt drive 2SPB, Variable speed, Material of adiabatic heat exchanger:Treated and impregnated special cellulose material of 100 mm thick,Panel filter of 90% efficiency down to 10 microns/610 x 610 x 50, no.of filters:12 + 04 (Half filters),2 submersible, 250 W single phase pumps, Dimensions W x D x H (mm):2400 x 4250 x (2575 + 150*). Along with OEM recommended Elecrtical Panel for Air Washer System. Warranty :Min 5years for blower,motor,pump and 3 years for other components Approved Make: HMX/Evaploer/DRI The IDEC unit fan & casing ,inside,outside,base plate,base frame all equipement has considered material SS304. Note: All The Necessary Scaffolding (upto 13 meter required for few areas) , crane for lifting blowers , scissor lift ,Material Shifting, Loading Unloading also in the scope of contractor.

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Two Stage Evaporative Cooling Air Washer System (IDEC): 45000 CMH Static Presuure 100mmWC, draw through type Air Washer System with 25 mm double skin (Stainless steel) puff panels with SS 304 L hollow profiles for structural support, Completely knocked down Supply configuration, Backward curved DIDW dynamically balanced SS 304L blower,blower motor (16 kW)with IE2, TEFC 4P, Class F insulation, S1 continuous duty, IP55 protection, V-belt drive 2SPB/3SPB, Variable speed, Material of adiabatic heat exchanger:Treated and impregnated special cellulose material of 100 mm thick,Panel filter of 90% efficiency down to 10 microns/610 x 610 x 50, no.of filters:16,2 submersible, 250 W single phase pumps, Dimensions W x D x H (mm):2850 x 4500 x 2800. Along with OEM recommended Elecrtical Panel for Air Washer System. Approved Make: HMX/Evaploer/DRI Warranty:Min 5 years for blower,motor,pump and 3 years for other components The IDEC unit fan & casing , inside , outside, base plate, base frame all equipement has considered material SS 304.

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SS304 Ducting: Supply air duct with SS304 material complying to ASTM A 240. Accessories included: supply/exhaust air collars, vanes, splitters, necessary SS structural members (viz. angle flanges for duct joining, lateral& longitudinal reinforcement, fasteners, SS bolts and SS nuts), gaskets, sealent, etc. Duct construction shall be as per IS-655/SMACNA standrad. (Note: Necessary duct supporting structural material (MS) is covered under separate item)

SS Ducting Supply: 22 G

SS Ducting Erection: 22 G

SS Ducting Supply: 18 G

SS Ducting Erection: 18 G

THERMAL INSULATION OF DUCTS (INDOOR) : Supply and Application of External Thermal Insulation of Supply Air ducting. Material of construction shall be cross linked polyolefin/ polyethelene foam material with closed cell structure and with factory applied reinforced aluminium foil. The density of the same shall be within 25 Kg/m3.The material should have a thermal conductivity not exceeding 0.032 W/mK. The insulation material shall be shall be stuck to the cleaned duct surface by factory pre-fixed cold adhesive. The material and installation methodology should be in accordance with the specifications. Thickness of insulation:25mm.

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THERMAL INSULATION OF DUCTS (OUTDOOR ): Supply and Application of External Thermal Insulation of Supply Air and return air ducting coming out side. Material of construction shall be cross linked polyolefin/polyethylene foam material with closed cell structure and with factory applied reinforced aluminium foil. The density of the same shall be within 25 Kg/m3.The material should have a thermal conductivity not exceeding 0.032 W/mK. The insulation material shall be shall be stuck to the cleaned duct surface by factory pre-fixed cold adhesive. The finishing will be carried out with fixing 200 gsm glass cloth with the help of adhesive Fevicol lag coating (AF 5590) . Finally it will be painted with synthetic enamel paint. The material and installation methodology should be in accordance with the specifications. Insulation shall be of 25 mm thick with 200 GSM glass cloth finishing.

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ACOUSTIC INSULATION OF DUCTS : Supply and Application of Acoustic insulation for the initial portion of supply air ducting. Material of construction shall be fibre-free elastomeric nitrile rubber foam with open cell structure . The density of the same shall be within 140-180 Kg/m3. The material should have a thermal conductivity not exceeding 0.050 W/mK. The maximum surface temperature the material should withstand is 105° C and minimum temperature should be -20°C. The material should conform to Class 1 rating for surface spread of Flame as per BS 476 Part 7. The insulation material shall be shall be stuck to the cleaned duct surface by factory pre-fixed cold adhesive. The material and installation methodology should be in accordance with the specifications. Thickness of insulation:25mm.

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Belimo electrical actuator controlled SS304L volume control damper :SS304L materialcomplying to ASTM A 240 with SS flange ( size:cross sectional area varies from 0.25 sqmeter to 1.0 sqmeter ). Dampers shall have sealed ball bearings on the shaft of the louvers/ plates to enable smooth operation and along with provision of manual/mechanical override.

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Aluminum SA grills : Supply & Installation of Aluminium powder coated ( of minimum thickness of 0.8mm )Four Way Diffuser with Valume Control dampers for Supply Air .

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Canvas Cloth:Flexible Canvas cloth of rexin coated suitable size with zip shall be connected to outlet of blower & Damper.

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Jet Diffusers: 315mm dia, long throw,360 degrees rotary jet,anodized finish jet MOC: Aluminium Note: Color of the jet nozzle as per site condition

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STRUCTURAL FABRICATED STEEL WORK: Supply, Fabrication , Cutting, Welding , Erection at site and painting of M. S. Angle structural steel work for required Air Washer,Duct, Supporting structurer etc. & as per site requirements based on the approved drawings. The work should be carried out as per good manufacturing and installation practices in concurrence with approved drawings. The structural steel materials should confirm to IS : 2062 (latest version) as per drawings. All welding electrodes to confirm to relevant IS codes. Fabrication and erection of the structural steel works shall be as per IS: 800 and welding work as per IS:816 and IS: 822. Finally all steel work to be painted with one coat of zinc chromate primer and two coats of synthetic enamel paint.

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GI Piping: Cooling tower water pipe line in GI - ( Size of GI piping shall be -100mm dia) for air washer supply water as required. Ball valve - 1/2 " size - 7 nos., digital pressure guages ( range 0-16Kg/Cm2) - 7 nos. , digital flow meters( range up to 200 lpm) - 7 nos. for measuring cooling water in the supply. Entire GI piping shall be done painting with red oxide & double coat metal primer painting ( preferably - green colour) & as required as per site conditions.

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Water Softnerand TDS Monitor: in line TDS Monitor and water softner for supply water of air washer system

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POWER CABLING : Supply & Installation of Power supply cables - BIS certfied XLPE insulated Armoured FRLS electrical mutli stands cable - including GI Strip 25x6mm for earthing & clamping, etc.

Supply: 4Cx16 Sqmm Cu Cable

Erection:4Cx16 Sqmm Cu Cable

Supply: 4Cx2.5 Sqmm Cu Cable

Erection:4Cx2.5 Sqmm Cu Cable

Control Cabling : Supply & Installation of control cabling - BIS certified PVC insulated Armoured FRLS copper control cable of - Suitable sizes for air washer system and Industrial ductable cooler.

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CABLE TRAYS: Supply & Installation of Suitable size of perforated Hot Dipped Galvanised Iron Cable tray & GI Cover ( Galvanisation thickness not less than 50 microns) with perforation not more than 17.5% in conveinet sections, joined with connectors, suspeneded from the ceiling with GI suspenders including GI bolts & nuts etc. as required at site.(varies from 100mmx75mmx1.6mm-300mmx75mmx1.6mm)

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Electrical power supply panel (MCBDB) board for Industrial ductable coolers and tube axial exhaust fans - One suitable size incommer- isolator and 2 outgoing MCB's.(as recommended by OEM).Indication lamps for incoming power supply; AC Unit - ON & OFF.

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Industrial Ducting Cooler: 25000 CMH, top discharge,Four side cooling pads for superior cooling, Input ower supply(V/Hz/Ph) -415/50/3,Motor power (kw) -1.5, UV Stabilized Engineering Plastic,Outside dimensions(LxBxH in mm) -1140 X 1140 X 1130, Air outlet dimensions(HxW in mm) -670 x 670, Tank capacity ([tr.)-70/40,Air moving device -Fan,Fan diameter (mm) -620, Cooling media -Honeycomb pads,Pad thickness 100mm, cooling surface area of pad-2.6 SqM, Cooling surface area of pad (sq.mtr.) -2.6,Minimum cooling efficiency(%) -80,Number of speeds (nos.) -1,Duct length (m) -upto 24, Air Outlet Grills (N) [ 250mm X 250mm ] -upto 12,Container quantity (40HQ) - Make : Symphony/Evapolar/DRI

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Tube Axial Exhaust Fan: 5900 CFM, 25 mmWC, Impeller: Aluminium, Casing: Mild Steel, Type : Direct Driven along with necessary accessories.

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Tube Axial Exhaust Fan: 5900 CFM, 50 mmWC, Impeller: Aluminium, Casing: Mild Steel, Type : Direct Driven along with necessary accessories.

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Civil works: Wall opening/Closing for duct laying as per site condition

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Dismantling

Dismanlting of existing Air washer system along with its accessories

Dismantling of existing ducting with safe packing/cutting and necessory transport to store

Centrifugal pumps: Supply Installation Testing &Commissioning of Water recirculation centrifugal pumpssuitable to handle water of different water flow rates, flexible coupling, mounting frame, etc., MOC: Cast Iron casing with SS304L impeller, Class F or Higher insulation motor with minimum capacity :9 KW

Supply: flow-75CMH, 1450- RPM, Head-35M for area UOP(DPA, north side & west side AWS)

Erection: flow-75CMH, 1450- RPM, Head-35M for area UOP(DPA, north side & west side AWS)

Plumbing between Spray chamber and Pumps Piping from spray chamber to/from the pumps Sizes varies from φ125mm -φ150mm. Associated pump accessories : Isolation valves at inlet & outlet, flow regulation valves, NRV/check valve, strainer, etc. Piping from battery limit is also covered in this scope.Distance between pumps to spray chamber is 5M.(2No Pumps-1S+1W). Necessary fittings : Elbows, tees, couplings, reducers fasteners, clamps.etc, MOC : GI Class B

Supply for areas UOP(DPA, north side & west side AWS)

Erection for areas UOP(DPA, north side & west side AWS)

Spray Chamber internals: Supply Installation Testing & Commissioning of three bank water spraying system with header(φ125mm-φ150mm), distributers(φ40mm-4M height-12Nos), marine light, pipe fittings, quick fill make up water line along with float and valve, drain pipe with gate valve, etc. MOC : GI Class-B

Supply for areas UOP(DPA, north side & west side AWS)

Erection for areas UOP(DPA, north side & west side AWS)

HDPV Nozzles:PVC body,SS-304L clamp, SS-304L Dome,φ5mm Orifice, Rubber O ring φ- 40mmx2mm,Inlet Connection-φ15mm, outlet Dome size-34mm, Inlet ring φ- 22mmx4mm with PVC threaded cap.

Supply for areas UOP(DPA, north side , west side AWS)

Erection for areas UOP(DPA, north side , west side AWS)

Fresh Air Filter Capacity : 2000 CFM Grade : G4 Efficiency : 90% down to 10 micron Filter Media : HDPE Size : 610x610 mm Casing : Aluminium Face guard : Wire mesh type (Note: Necessary support structure is covered in another item)

Supply for areas UOP(DPA, north side & west side AWS)

Erection for areas UOP(DPA, north side & west side AWS)

Chevron type PVC Mist eliminator: Profile width-170mm, thickness-2mm, Notch angle-Aluminium( 40x6),C-Clamp:ss304, tie rod:SS304 φ6mm. MOC:PVC (Note: Necessary GI support structure is covered in another item)

Supply for areas UOP(DPA, north side & west side AWS)

Erection for areas UOP(DPA, north side & west side AWS)

Supply air Fans : DIDW type, backward curved, belt driven.Temperature to be considered is 50deg C. The scope also includes class F or higher insulation motor and accessories like flexible connections at fan outlet,common base frame, vibration isolators, V-belt, guard, electrical actuator controlled volume control damper with damper control panel . Entire construction shall be epoxy painted. MOC:Mild Steel Motor : IE 2 & Min Class F insulation ,140000 CMH ; Static Pressure 80 mmWC for west side AWS ,UOP , motor =75 KW

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Exhaust air Fans : SISW type, backward curved, belt driven. Temperature to be considered is 50deg C. The scope also includes accessories like flexible connections at fan outlet,common base frame, vibration isolators, V-belt, guard, electrical actuator controlled volume control damper with damper control panel. Static Pressure: 500 mm WC 10000 CMH (MOC: SS304L-all components including casing,SS Base frame), IE 2, Class F or higher Insulation motor, motor capacity=30 KW

Supply for CFFP-P

Erection for CFFP-P

MODULAR PRE/HEPA FILTER Bank MOC : SS 304L Filters Qty: 4 Nos of HEPA and Prefilters each HEPA Grade: H 14 Pre Grade : G-4with wheels confirming to HA -1120-2 of ASME AG-1 of 2012 with bank efficiency of 99.5%.

Supply for area CFFP-P

Erection for area CFFP-P

415 V , 3 Phase, 50 Hz MCC Panel for west side AWS blower & Pump 4 P, 250 Amp MCCB I/C - 1 No, O/G :75 KW VFD - 1nos and 11kw-2Nos 3P+NL 63 A MCCB -1 Nos

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415 V , 3 Phase, 50 Hz MCC Panel for Exhaust air Fans 4 P, 200 Amp MCCB I/C - 1 No, O/G :30 KW VFD - 2nos 3P+NL 63 A MCCB -1 Nos

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TOOT MNE TECH PRIVATE LIMITED (BID ID -3170079)

BATLIBOI ENVIRONMENTAL ENGINEERING LIMITED (BID ID -3170049)

VOLTAS LIMITED (BID ID -3170160)