Indian Institute Of Technology Tender
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The IIT has issued a formal invitation for competitive bids for the Indian Institute Of Technology project, for Provision Of Ac Facility To Gf And Ff Of Campus Cafe In Iit Madras in Chennai, Tamil Nadu, with an estimated contract value of Rs. 64,03,000. The bid opening date for this tender is 15-10-2022 and the last date for bid submission is 27-10-2022. Interested bidders for Indian Institute Of Technology tender can download the important documents here to check the scope of work, eligibility criteria and technical requirements.
Indian Institute Of Technology - IIT Tender
Electrical and Electronics
Eprocure
Opening Date15 Oct 2022
Closing Date27 Oct 2022
Tender Amount₹ 64,03,000
Costs
EMD
₹ 1,28,060Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2022_IITM_132186_1Bid Award Id
ViewTender No
20/2022-23/ELDBTender Authority
Indian Institute Of Technology ViewPurchaser Address
-Website
http://https://www.iitm.ac.in
GEM & Bid Advisory Services
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Documents
BOQ Items
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Supply, installation, testing and balancing of weather proof louvers with bird screen for fresh air / exhaust air as per specifications and approved drawings.
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Supply, installation, testing and commissioning of COOLING THERMOSTAT with Power / Control Cabling for various air handling units and fan coil units as described in specifications. The thermostat shall be proportionately type for modulating control valve with digital temperature indicator. Receiving at site the imported equipment, unloading, storing, handling hoisting, installing in position, effecting connections, anchoring, grouting testing and commissioning the equipment including supplying & installing all necessary indigenous accessories as required to complete the installation.
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Inlet and outlet connection of chilled water shall be on same side.
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COOLING THERMOSTAT :
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Supply and laying of 6 sq.mm single core copper FRLS unarmoured cables for equipments earthing including termination with copper lugs in both ends
270
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Supply and fixing of Acoustic lining of wall and ceiling of AHU rooms with 50mm thick density 32Kg/Cu.m resin bonded glass fibber insulation friction fixed in 610mm X 610mm frame work made of 25X50mm made out of 0.6mm thick G.I Sheet U shaped channel and covered with reinforced fibre glass tissue and finished with .80mm perforated aluminium sheet etc. Complete as per Specifications.
625
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BMS compatible Actuators with Control Panel & Wiring
4
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VOLUME CONTROL DAMPER :
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PIPES AND VALVES
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65 NB
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1.0mm thick GSS ducting (20G) – factory fabricated
90
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Proportional cooling thermostat at AHU.
2
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Thermal break profile at corners and at joints for double skin air handling units along with internal covings.
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All AHU's will be supplied with two sets of filters. One set will be for Pre commissioning & one original set of post commissioning Filters shall be EU-4
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10 mm thick
90
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Variable vertical inline Pump with Head of 15m and flow rate of 100 Cu. Per hour.
1
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80 NB
1
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100 NB
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Supply, Installation, Testing & commissioning of Single
stage centrifugal coupled type pump set with axial suction port and radial discharge port, bronze impeller, mechanical seal, three phase TEFC squirrel cage motor with IP 55 protection, Class F insulation having a speed of 1450 rpm for chilled water circulation having the
following duty conditions as per specifications along with vibration Isolators/rubber bellows /MS supports arrangements. Motor shall be suitable for VFD operation. (Vertical Inline pump with suction guide and other accessories). The pump shall be supplied with VFD drive with control panel as required. The accepted make shall be Amstrong/Xylem/Grunfos.
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Chilled water cooling coil shall be of copper tubes with aluminum fins and 6 rows deep suitable for chilled water operation.
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Capacity: 50.0 TR, Dehumidified Air: 20000 CFM, AHU with 65mm Static Pressure (Valve Sizes 65 MM)
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150 mm x 50mm Perforated type cable tray along with top cover
30
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285(W) x 285(H) x 1525(L) with effective air throw upto 2.5 mts.
2
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HVAC - ELECTRICAL WORKS
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Supplying and fixing following ways surface/ recess mounting, vertical type, 415 volts, 4 way TPN MCCB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 200 amps tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCB's, with provision of TP/4P 16 KA MCCB as incomer, interconnection between incomer MCCB and bus bars as required . (Note : Vertical type MCCB TPDB is normally used where 3 phase outlets are required.)
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The air distribution system comprises with all supports like anchor fasteners and tie-rods, cradles, angle iron supports, bolts and nuts, 4mm thick self-adhesive neoprene rubber gasket, stiffeners, zinc chromate painted angle iron flanges, chipping and plastering of openings made for duct supports etc., filling the gap with fibre glass wool and with fire sealant complete as per specification. The rates quoted shall include turning vanes, straightening vanes, splitters, inspection doors probe, provisions for BAS sensors, inlets with test openings enclosures complete with locking caps, chain, gaskets, insulating plugs, and extension for insulated ductwork etc.
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Supply and installation of following sizes/ratings of industrial range air curtains of high velocity with low noise aluminium impeller of forward curved SS blades,pre lubricated sealed ball bearing type,easily mountable, vibration free complete set to operate 230V,50 Hz power supply. The accepted make will be ALMONARD/AIRCON.
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Fire retardant flexible canvas connection and cushy foot mounting for fan
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80 NB pipe with 30mm thick PUF insulation
12
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65 NB
1
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Capacity: 44.0 TR, Dehumidified Air: 17600 CFM, AHU with 65mm Static Pressure (Valve Sizes 50 MM)
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Supply and erection of SS Glycerine filled Thermometers with copper separable well complete with guard mounted on water lines, etc.
2
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LOUVERS :
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Outgoings: 32 amps, 10 kA TP MCB, C Curve-3 Nos. & 6- 10 amps SP MCB- 3 Nos.
2
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0.8mm thick GSS ducting (22G) – factory fabricated
150
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Supply and erection of the following UPVC pipe with all joints, reducer, necessary elbows and tees, supporting arrangements, etc. Rate shall be inclusive of 19mm thick FM approved closed cell nitrile rubber insulation covering with fire resistant fibre cloth fabric as a resistant to Scratch & Mechanical Impact.
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3.5 core 35 sq.mm XLPE alu.conductor armoured cable
75
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65 NB pipe with 30mm thick PUF insulation
12
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Supply and installing of Thermal insulation, Material shall be processed FM approved Crosslinked polyolefin foam with factory applied reinforced aluminium foil. The material should be fibre free. The Thickness of the material shall be as follows.
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25 NB pipe with 30mm thick PUF insulation
3
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50mm Dia
20
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AHU frame shall be made of non corrosive extruded aluminum profile fitted together with polyamide corner pieces.
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80 NB
1
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Note: The colour shade for the air distribution equipments like ducts, diffusers, grilles, etc shall be approved by the Client / Architects before procurement and execution. The powder coating shall be 50 to 40 microns
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Supply, installation, testing and balancing of Air Distribution System consists of factory fabricated Rectangular duct Galvanized Iron sheet metal ducting (Zinc coating 120GSM) with TDF/TDC flanges
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0.8mm thick GSS ducting (22G) – factory fabricated
300
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Horizontal Floor Mounted AHU
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Return Air Grilles
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Design, Supply, installation, testing and commissioning of motorized Fire damper in supply air/return air/exhaust air streams. The damper shall be made out of 16G thick galvanized sheet steel frame and blades of 16G galvanized steel with air tight arrangement. The damper shall be provided with control panel, BMS compatible actuator of the motorized Damper shall have required torque to ON / OFF the actuator with 220 V / 24 V transformer duly encased and wired, combined smoke and heat sensor and transmitters, control / communication cables, etc. The control panel shall be suitable for receive/send signal from the Fire Alarm System and status shall be monitored thru BMS.
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Supply and Installation of the following Cable Trays / Accessories Prefabricated hot dip galvanized 1.6mm thick sheet perforated / Ladder type cable tray including all necessary curved bends-tees-reducers, coupler plates, fasteners etc.,for the following sizes. Inclusive necessary fixing arrangement etc.
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Incomer: 100 amps, 16 kA 4 pole MCCB- 1 No.
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100 NB
1
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AHU shall be with Wall mounted type VFD Starter Panels located in respective AHU Rooms. The panel enclosure shall be same as for MCCs. (The VFD Starter Panel shall consist of MCCB Auto Manual Switch, Luminous ON/OFF Push Buttons, Internal Wiring, Connectors for power & Control cables & Other panel accessories to make the panel complete.) Panel Should be compatible with BMS System.
All internal wiring in the AHU should be as per Firenorms
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3 Core 10 Sq.mm XLPE Copper conductor armoured Cable
40
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Supply, erection, testing and commissioning of chilled water circulation pipes. Pipes will be of Mild Steel - Class C and insulation material shall be PUF. The insulation material shall be covered with 24G Aluminium cladding for outdoor application
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Supply and fixing of Acoustic insulation - Material shall be FM approved, open cell Nitrile Rubber foam. The density of the same shall be within 140-180 Kg/m3. The maximum surface temperature the material should withstand is 105º C and minimum temperature should be -20ºC. The material should conform to Class 1 rating for surface spread of Flame as per BS 476 Part 7. The Thickness of the insulation material shall be as follows
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6 Core 1.5 Sq.mm PVC Copper conductor armoured Cable
40
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4 Core 10 Sq.mm PVC Copper conductor armoured Cable
40
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AIR DISTRIBUTION SYSTEM
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Supply, fabrication, erection, testing and commissioning of factory fabricated powder coated GI flat Oval ducts. The price shall include associated coupling, bends, transformation pieces, collars, turning vanes( if any), ' GRIPPLE' supports/hanging system. All the duct joints shall be sealed with silicon sealant. The joints shall be with least leak. No additional payment will be made for insulating couplings,joints etc., The quoted rate shall be inclusive of loading, transportation, unloding, shifting & conduciting the pressure test as per the techical spcification & drawing details.
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AHU shall be along with VFD & Electrical cable connection from panel consisting with stand alone controller to AHU shall be done by HVAC contractor.
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80 NB
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Supply and erection of ‘Y’ type strainer with removable stainless steel screen with 3mm perforation and permanent magnet, drain piping. Rate shall inclusive of matching flanges, additional supports, fixing accessories, thermal insulation, etc.
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Flange type filters with extruded aluminum flanges along with quick filter fixing arrangement with SS 304 wing nuts.
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65 NB
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Supply and erection of Butterfly valves(PN 16) as per specification complete with end flanges / matching flanges, additional supports, fixing accessories, thermal insulation, etc. The valve shall be gear operated for 200NB and above.
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SUPPLY AIR GRILLES :
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Supply and erection of SS Glycerine filled Pressure gauges complete with ball valve, mounting well, fittings and copper tubing extension where required
4
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Vertical Inline pumps
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Unit shall be provided with flanges and low leakage extruded motorised aluminum volume control dampers with positive locking arrangement and percent opening gradations on supply side, return side, fresh air side and purge side in loose condition.
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Powder coated/Anodized extruded aluminium construction.
1
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Smoke & Fire Dampers.
8
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Supply and erection of 25 NB Automatic Air Vents along with ball valve
8
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AIR HANDLING UNITS
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Supply, Delivery, Installation, testing & commissioning of Floor mounted Air handling units in Re-circulatory configuration with 24G (0.64mm) pre-plasticised G.I. outer skin and 22G (0.8mm) plain G.I. inner skin with 40kg/m3 density Polyurethen Foam/PIR insulation having thickness 43±2mm in double skin construction as per air flow diagrams & specifications with following accessories. AHU cost will be inclusive of lifting & putting inplace.
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EARTHING
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360(W) x 365(H) x 2000(L) with effective air throw upto 3.5 mts.
6
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13mm thick
1200
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Supply, Installation, testing and commissioning of Flow Control Valve - Pressure independent type with Dynamic Balancing Cum 2 Way modulating valves (PN-20) for AHUs with actuator in a single Unit of Valve provided with spring return function. The valve shall be suitable for standalone operation. Valve shall be of PN16 Rating. The BMS compatible actuator shall be supplied by the valve manufacturer and capable of accepting 2-10VDC / 4- 20 mA electric signal and shall provide similar transduced feedback output signal to control system. The minimum close off Pressure of actuator must be 1.5 times shut off head of pump as per specifications. Rate shall be inclusive of stepdown transformer, digital thermostat (modulation type) suitable for the given actuator, required length of 2Cx1.5Sqmm shielded communication cable, end flanges/matching flanges, additional supports, fixing accessories, dismantling the existing valves, thermal insulation, etc
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AHU shall be with blower shall be DIDW Centrifugal fans low aerodynamic losses, silent operation & high efficiency with class IE3 suitable for operation on 415 volts ± 10%, 50 Hz ± 5% AC supply,
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AHU shall be supplied with Stand-alone operation controller with built in applications inclusive of sensors, sensor cables & DP transmitter complete with DDC controller, It Should be compatible with BMS System as per technical specification
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Drain pan in 16G SS 304 construction along with 25mm nitrile rubber insulation with smooth finish and slope should be provided to have zero retention of water in drain pan. The insulation shall be sandwiched between to sheets of SS 304.
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Supplying & fixing of opposed blade volume control dampers in supply air duct collars as per approved drawings and specifications. Damper shall be with 18G GSS body and blades shall be with aluminium airfoil construction.
12
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200 mm x 100mm Perforated type cable tray along with top cover
30
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AHU will be mounting on 25 mm neoprene rubber for anti vibration
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