Indian Institute Of Technology Tender

Cutting & dismantling of condenser / chilled water pipe line with grinder/welding machine/gas cutter for drain out the water from supply and return pipe line and making good after leakage repairing i/c re-filling of water in pipe line size from 20 mm to 400 mm dia including isolation of defective pipeline, valve operation, testing & commissioning etc as required.

20 mm to 100 mm

125 mm to 200 mm

Cutting & dismantling of damaged and defective insulation, removing the thermocole , nitrile, PUF insulation or clading from chilled water MS pipe line of size mentioned below including hessian cloth, wire mesh, sand, cement, plaster, cleaning of pipe and shifting the waste material outside the permises of I.I.T. K. campus or desired location as reqd.

20 mm to 80 mm

100 mm to 200 mm

Providing & fixing of Brass ball valve with flare of following size with compatible to proportioning Copper/MS pipe i/c all necessary accessories, support /hangers, including old dismantling if any complete as reqd.

20 mm

Providing & fixing of Brass Ball valve with Y-strainer, flare of following size with compatible to proportioning Copper/MS pipe i/c all necessary support /hangers & dismantling old if any complete as reqd.

20 mm

Providing & fixing of SS ball valve of following size with compatible to proportioning Copper/MS pipe i/c all necessary accessories, support /hangers, including old dismantling if any complete as reqd.

20 mm

Providing & fixing of Brass Air-Vent of following size with compatible Copper/MS pipe i/c all necessary accessories & dismantling old if any complete as reqd.

25 mm dia

P & F , testing and commisioning of Butterfly valves CI body with SS Disc Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled water with hand lever operated including nut, bolt, flanges, gasket and insulation of valve as kind of existing pipe etc complete as reqd.

40 mm

Supply, laying /fixing, testing and commissioning of MS Heavy 'C' class pipe ( IS :1239) of following sizes for chilled/ condenser water piping on surface / underground ( including fabrication of bends / elbows, tees, reducers, sockets, unions etc) with wooden / PUf block, masonry support / MS angle-clamp two coats primer/ enamel paint, vibration isolatorsand fittings as per standard specification complete as required.

25 mm

32 mm

40 mm

Supplying & fixing insulation on existing MS 'C' class pipe over exposed surface/underground of following sizes with 50 mm thick pipe fire retardant thermocole ( polystrene) moulded pipe section of density 20 kg/cu.m after a thick coat of cold setting adhesive (CPRX compound) ,i/c polytheen wrapping , 500g polythene faced hessain cloth, wiremesh, sand-cement plaster & painting two or more coat to give even shade after applying one coat of ordinary paint etc complete as required.

25 mm

32 mm

40 mm

Supplying & fixing, insulation on existing pipe overhead/underground of following sizes with 25 mm thick Aluminium faced nitrilel rubber / XLPE foam pipe section/sheet fixing with dentride and tightening of insulation section PVC tape to be wrapped all around the joints. of insulation etc complete as required.

25 mm

Providing and fixing aluminium clading made of 26 swg thick aluminium sheet i/c band, reducer, tee, dead end etc complete as required.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge.(Internal work - Exposed on wall)

25 mm nominal outer dia Pipes

32 mm nominal outer dia Pipes

Providing,laying & fixing of rainforced fiber flexible/soft PVC pipe of size given below etc. complete as reqd.

upto 20 mm

Supply & fixing of copper piping 5/8" or 6/8" with 19 mm thick Class "O" Nitrile insulation on surface / recessed with flair nut, clamps i/c hole making on wall, resealing etc complete as reqd.

Providing, laying, testing, and commissioning of following size Un-armoured PVC insulated Copper conducter power/controle cable of following size on surface/recessed complete as required.

3 Core x 1.5 Sqmm, flexible Un-armoured copper cable

Providing and fixing of Single Phase Plug top ISI Marked for AC (FCU) unit etc i/c dismentling old plug top if any complete as required. (Make: Anchor/Equv.)

3 pin- 6 Amp.

Providing & fixing of Thermal protecting layer (double coat ) painting over exposed MS/copper pipe insulation outer surface with aapproved make chemical, shade and glass clothc as per standared specification compete as required.

20 mm

25 mm

Supply and installation UPVC mini trunking (casing-caping) & flexible conduit of following size white-system with independent cover- without central partion etc. as reqd

UPVC trunking 20mm x 12mm

Flexi Conduit 20 mm

Making wall opening upto 750 mm dia/Suitable in any type / thick of wall for pipe/duct etc and re-closing the opening with brick, sand, cement and plaster i/c re-painting as per existing desigine/shape complete as required.

Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, 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.Note:- (1) The elevational area of the scaffolding shall be measured for payment purpose.(2) The payment will be made once only for execution of all items for such works.