Centre For Cellular And Molecular Biology Tender

INSULATED 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,wooden supports,PUF pedestals for supports of pipeline, vibration isolators and fittings,elbows, reducers, gaskets, bolts and nuts,dial type water pressure gauges (2Nos) including gauge provisions and MS supports for Drain tray of FCU but excluding valves, strainers 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 applying 0.63mm 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 / site conditions and instructions of the Engineer-in-charge and as per scope of work elaborated in attached sheet. 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. A) 100mm dia.(50mm thick insulation)

80mm dia. (50mm thick insulation)

65mm dia.(32mm thick insulation)

50mm dia (32 mm thick insulation )

40mm dia. (32 mm thick insulation)

32 mm dia (19 mm thick insulation)

25 mm dia (19 mm thick insulation)

Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping plumbing inside the building (with necessary clamps,wooden supports, vibration isolators and fittings,elbows, reducers, gaskets, bolts and nuts but excluding valves, strainers etc.) as per specifications and as required complete in all respect / site conditions and instructions of the Engineer-in-charge and as per scope of work elaborated in attached sheet. A) 19.05mm dia.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings,union where ever required,elbow,coupling etc., including fixing the pipe with clamps at 1.00 m spacing and also making the hole on the wall and cement sand finishing for FCU darin line connection. 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 A) 50 mm nominal dia Pipes

B) 25 mm nominal dia Pipes

INSULATION ON EXISTING PIPE

Supplying, laying, fixing, testing and commissioning of following thickness closed cell elastrometric nitrile rubber of class 'O' applied by suiatable adhesive, as per specifications and as required complete in all respect. A) 19.05mm

INSULATED VALVES

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. 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. A) 100 mm dia.

B) 50 mm dia.

Brass Ball valves

Supplying,fixing and commissioning of Brass Ball valves without strainer (PN 16) (5/8"X3/4" Flare Connection ) and Ball Valves With Strainer (PN 16) (5/8" X 3/4"Flare connection) for Fan Coil Unit's Chilled Water Pipe Line complete as per specifications and as required complete in all respect / site conditions and instructions of the Engineer-in-charge A) Brass Ball valves without strainer (PN 16) (5/8"X3/4" Flare Connection

B) Brass Ball valves with strainer (PN 16) (5/8"X3/4" Flare Connection

Cat (B) - Buy Back Items

Buy-Back (ie minus)Buy Back of old dismantled/removed MS Pipelines of various size and length as it is where it is basis

Buy-Back (ie minus) Buy back of old diamantled Butterfly valve of 2" Size as it is where it is basis.

Buy-Back (ie minus) ABuy back of old diamantled Butterfly valve of 4" Size as it is where it is basis.