Indian Tenders

Tender Notice

TDR 54998252
Tendering Authority Indian Institute Of Technology
Tender No IITKGP/RAC/Term contract /2025-26 (2nd Call)
Tender ID 2026_IITKG_904754_1
Tender Brief Corrigendum : Tender For Routine Repair And Maintenance For Different Air Conditioning Plants Installed In The Iit Kharagpur C Us
City Kharagpur
State West Bengal
Document Fees Refer document
EMD INR 87777.0 /-
Tender Value INR 43.88 Lakhs /-
Tender Type Tender
Bidding Type Open Tender
Competition Type Indian

Tender Details

Tender for Routine Repair And Maintenance For Different Air Conditioning Plants Installed In The Iit Kharagpur C Us

Corrigendum Details

Sr No CorrigendumDate Corrigendum CorrigendumType NewSubmissionDate
1 29-04-2026 Corrigendum 01 Date 07-05-2026

Key Dates

Publish Date 29-04-2026
Last Date of Bid Submission 07-05-2026
Tender Opening Date 08-05-2026

Contact Information

Company Name Indian Institute Of Technology
Contact Person Superintending Engineer (E and M)
Address RAC unit located in the Old building , IIT KGP- 721302

BOQ Items

Name of Work:- Routine Repair and maintenance for different air conditioning plants installed in the IIT Kharagpur c us
Sl. No. Item Description
1INSULATED CHILLED WATER PIPING (expanded polystrene insulation)Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping plumbing inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with fire retardant quality expanded polystrene moulded pipe section of density 20 kg/cu.m after a thick coat of cold setting adhesive (CPRX compound) wrapping with 500g polythene faced hessain and finally applying0.63mm aluminium sheet cladding complete with type3 , grade 1 roofing feltstrip(as per IS:1322 as amended up to date ) at joints 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 above150mm 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.(as per CPWD E&M 2025)
2250mm dia.(75 mm thick insulation)
3200mm dia.(75 mm thick insulation)
4150mm dia. (50mm thick insulation)
5125mm dia.(50mm thick insulation)
6100mm dia.(50mm thick insulation)
780mm dia.(50mm thick insulation)
865mm dia.(50mm thick insulation)
950mm dia.(50mm thick insulation)
1040mm dia.(50mm thick insulation)
11INSULATED CHILLED WATER PIPING (Nitrile rubber insulation)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 cellelastomeric 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 andabove.(as per CPWD E&M 2025)
1280mm dia.(32mm thick insulation)
1365mm dia.(32mm thick insulation)
1450mm dia.(32mm thick insulation)
1540mm dia.(32mm thick insulation)
1632mm dia.(19mm thick insulation)
1725mm dia.(19mm thick insulation)
18INSULATION ON EXISTING PIPESupplying, laying/ fixing, testing and commissioning of following thickness resin bonded fiber glass pipe section insulation having density 80 kg/cum or mineral wool (non combustible) having density of 144 Kg/ cu m duly covered with a layer of 120 gm/sqm polythene sheet (vapour barrier) on existing pipe 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 etc. as per specifications and as required (as per CPWD E&M 2025)
19Supplying, laying, fixing, testing and commissioning of following thickness closed cell elastrometric nitrile rubber of class 'O' applied by suitable adhesive , as per specifications and as required complete in all respect.(as per CPWD E&M 2025)
20INSULATED BUTTERFLY VALVES (MANUAL)Supplying, fixing, testing and commissioning of following Butterfly valves in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications.(as per CPWD E&M 2025).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 in CPWD Specfication latest version(as per CPWD E&M 2025)
21200mm dia.
22150mm dia.
23125mm dia.
24100mm dia.
2580mm dia.
2665mm dia.
2750mm dia.
2840mm dia.
29INSULATED BALANCING VALVES Supplying, fixing, testing and commissioning of following Balancing valves in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications.(as per CPWD E&M 2025).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(as per CPWD E&M 2025)
3080mm dia.
3165mm dia.
3250mm dia.
3340mm dia.
34INSULATED Y - STRAINER VALVES Supplying, fixing, testing and commissioning of following Y - Strainer valves in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications.(as per CPWD E&M 2025).Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation as specified.(as per CPWD E&M 2025)
35200mm dia.
36150mm dia.
37125mm dia.
38100mm dia.
3980mm dia.
4065mm dia.
4150mm dia.
4240mm dia.
43Providing and fixing in position industrial type pressure gauges with gun metal / brass valves complete etc. as required.(as per CPWD E&M 2025)
44Providing & fixing in position industrial type mercury thermometers complete etc. as required.(as per CPWD E&M 2025)
45CONDENSER WATER PIPESupplying, fixing, testing and commissioning of condenser water pipes of following sizes of MS 'C' class along with necessary clamps, vibration isolators and fittings such as bends,tees etc. but excludingvalves, strainers, gauges etc. adequately supported onrigid supports duly painted/buried in ground excavation and refilling etc. as per specification and as required complete in all respect. Note:-The Pipes size 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 forpipes upto 350 mm dia. And from minimum 7mm thick MS sheet for pipes of 400 mm dia and above.(as per CPWD E&M 2025)
46200mm dia.
47150mm dia.
48125mm dia.
49BUTTERFLY VALVE (MANUAL) WITHOUT INSULATIONSupplying, fixing, testing and commissioning of following butterfly Valves (manual) gauges and strainers for condenser water circulation as per specifications.(as per CPWD E&M 2025)BUTTERFLY VALVE (MANUAL) with C I body SS disc nitrile sheet & O - ring & PN 16 pressure rating as specified.
50100mm dia.
5180mm dia.
5265mm dia.
5350mm dia.
5440mm dia.
55Supplying, fixing, testing and commissioning of following sizes Motorized Butterfly Valve with CI Body, SS Disc, O - ring and minimum PN-16 pressure rating , conforming to BS 5155, IS 13095, with IP-55 actuator, capable of accepting upto 10V DC , and upto20mA electric signal and providing similar transduced feedback output to control system as required.(as per CPWD E&M 2025)
56100mm dia.
5780mm dia.
58DUCTING, GRILLS,DIFFUSER AND INSULATIONSupplying, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/ round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, bends, transitions, reducers, end caps,collars etc as required complete in all respect inconfirmation to IS : 655 and approved drawings and specifications of following sheet thickness complete as required.(as per CPWD E&M 2025)
59Thickness 0.63 mm sheet
60Thickness 0.80 mm sheet
61Thickness 1.00 mm sheet
62Thickness 1.25 mm sheet
63Supplying, installation, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc in confirmation to SMACNA/IS and as per specifications complete etc. as required.(as per CPWD E&M 2025)
64Supplying, Fixing, installation, testing and commissioning of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers in confirmation to SMACNA/IS and as per specifications complete etc. as required.(as per CPWD E&M 2025)
65Supplying & fixing of powder coated extruded aluminium Return Air Grills with louvers but without volume control dampers complete in confirmation to SMACNA/IS and as per specifications complete etc. as required.(as per CPWD E&M 2025)
66Supplying, Fixing, installation, testing and commissioning of supply air diffusers of powder coated aluminium with aluminium volume control dampers with anti smudge ring & removable core in confirmation to SMACNA/IS and as per specifications complete etc. as required.(as per CPWD E&M 2025)
67Supplying, Fixing, installation, testing and commissioning of Return air diffusers of powder coated aluminium without volume control dampers with anti smudge ring & removable core in confirmation to SMACNA/IS and as per specificationscomplete etc. as required.(as per CPWD E&M 2025)
68Supplying, Fixing, installation, testing and commissioning of thermal insulated flexible duct of following sizes duly supported at regular interval as per site requirement etc. in confirmation to SMACNA/IS and as per specifications complete etc. as required.(as per CPWD E&M 2025)
69200mm dia
70Supplying, Fixing, testing and commissioning of fire dampers of minimum 90 minutes fire rated 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 and, in confirmation to IS and as per specifications complete etc. as required.(as per CPWD E&M 2025)
71Fire Damper
72Actuator
73Supplying and fixing Installation, Testing and commissioning of 50mm 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 and finally covered with one layer of tar felt stuck with hot bitumen as per specifications and as required. (for outdoor applications)(as per CPWD E&M 2025)
74Attending breakdown jobs beyond office hours including cutting earth, hard/soft rock etc for exposing MS underground pipe line , removing mud slushy earth ,bailing out water etc. Required for jobs in connection with water supply maintenance under specific requirement from EIC at various places(1 Semi Skilled+1 mazdoor)
75Supply of related material and repair of pipe HDPE undergrund pipe with collar and other fittings of different sizes
76Supply of related material and repair of pipe MS undergrund pipe with collar and other fittings of different sizes
77Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. sqm 338.25 Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.(as per CPWD CIVIL 2023)
78MS Patch Clamp for pipe line repair as per IS
79100mm
80125mm
81150mm
82200mm Please Enable Macros to View BoQ information

Other Detail

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