Indian Institute Of Technology Tender

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Indian Institute Of Technology - IIT Tender

Works
Civil And Construction
Eprocure
Opening Date30 May 2019
Closing Date6 Jun 2019
Tender Amount₹ 9,37,550 
This is an estimated amount, exact amount may vary.
Notes
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Costs

Description

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BOQ Items

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Supply, Installation, Testing and commissioning of Duct mounted Slip-in or flanged type boxed heater bank (where shown in matrix Below)- U/W shaped 415 V rating finned tubular 1 Ph air heaters (1 No per phase as below) pre-fitted at factory matching the duct size flanged to size of duct as per approved layouts; sheated in SS-304 (10.8 mm Dia) mineral filled with MgO with very low leakage current Kanthal DSD or eq resistance wire; heating elements shall be provieed with SS304 fins; heaters shall be mounted 3 * 33% rating per phase on flanged Box mounted on SA duct matching size and all elect terminals shall be enclosed in a fabricated terminal box; the unit shall be provided with safety thermostat (included) / suitable size cable glands; below flange length of heaters shall vary as per kW rating 5.5 Kw Heater as specified above

1

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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 following sheet thickness complete as required.

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20G 1.0 mm Thick GSS ducting (upto 2250 mm duct sizes)

4

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22G 0.8 mm Thick GSS ducting (upto 1500 mm duct sizes)

25

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24G 0.63 mm Thick GSS ducting (upto 750 mm duct sizes)

160

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Air Supply Registers & Accessories Supplying, fixing testing commissioning of supply air diffusers of powder coated aluminium with aluminium volume controldampers with anti smudge ring & removable core.

6

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Supplying, fixing testing commissioning of Return air diffusers of powder coated aluminium without volume control dampers with anti smudge ring & removable core.

2

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Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specifications.

1

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Supplying & fixing of powder coated extruded aluminium Return Air Grills with louvers but without olume control dampers complete as required.

6

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Volume Control 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.

1.5

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Fire dampers Supplying, Fixing,testing and commissioning of fire 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 bemotorized 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.

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Fire damper

1.5

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Actuator

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Insulation Works Supply and fixing of acoustic lining inside sheet metal ducts using 140-180 kg/m3 Approved Make with Microban, having thickness specified below, conforming to Class 1 - BS 476 applied with Approved make adhesive (having less then max. permissibleVoC content as per GRIHA/Green Rating System) as specified with15 mm thick ACoustic lining with Microban; Duct acoustic lining should be done while the ducts are still on floor, not after installing ducts in position

185

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Supplying, fixing acoustic lining on wall and ceiling of AHU rooms with 50mm thick, density 32 kg/cu.m resin bonded glass fiber insulation friction fixed in 610mm x 610 mm frame work made of 25X50X50X50X25 mm made out of 0.6mm thick GI sheet U shaped channel and covered with reinforced fiber glass tissue and finished with 0.80 mm perforated aluminium sheet etc. complete as required and as per specifications.

70

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Fresh air Arrangements Fresh Air Arrangements Supply, installation, testing and commissioning of fresh air arrangements with Al rain Louvers / Damper / SS Bird screen for AHU/FFU Fresh Air intake finally comprising of For Fresh air including supply/fixing of MERV 6 (20 micron) Filter (400 FPM Area) per each Unit as per layouts; Required finishes for Fascad Exposed Fresh/Ex Air assemblies shall be provided as per Architects shall be included in cost - For FRESH AIR

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CHW Piping & Fittings Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with following closed cell elastometric nitrile rubber of minimum 45 Kg / cu m density, thermal conductivity 0.037 W/MK or better at 20 deg mean temperature class 'O' insulation applied by suitable adhesive complete including repairing of damage to building etc. as per specifications and as required complete in all respect. Note:- The Pipes of sizes 150mm & below shall be M.S. 'C' class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above. 50mm dia(32 mm thick insulation)

25

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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.

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BALANCING VALVE WITH BUILT IN MEASURING FACILITY with C I 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. 50mm dia.

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Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation as specified. 50mm dia.

1

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BUTTERFLY VALVE (MANUAL) with C I body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled water/hot eater circulation as specified: 50 mm NB

5

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Supplying, fixing, testing and commissioning of Automatic Air Purge Valve at AHU chilled water outlet pipe duly insulated to the same specifications as the connected piping and adequately supported as per specifications. - 25mm dia.

1

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Supply, Installation, Testing and Commissioning of following sizes electronic, self-balancing, pressure independent type dynamic balancing valve with integrated 2 way modualating control valve 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 offpressure shall not be less than 6 Bar for upto 50 mm valves and 7Bar for 65 mm & above. Valves should have pressure rating of 25Bar minimum. 50 mm NB

1

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Providing and fixing in position the industrial type pressure gauges with gun metal / brass valves complete as required

1

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Providing & fixing in position the mercury in glass industrial type thermometers.

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Supply, installation, testing & commissioning of insulated UPVC heavy duty drain pipes from AHU drain pans to nearest floor drain complete with interconnection, flanges, elbows, tees, nuts etc. The insulation shall be with plain 13 mm thick plain nitrile rubber sleeve and including with required pipe supports as per detail specifications - 40 mm (13 mm plain sleeve & not self sleeve)

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