Repair of Pipeline of HVAC System installed at Neer Shakti Sadan, NHPC Limited, Office Complex, Sector-33, Faridabad

Amount

INSULATED 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 cell elastomeric 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.

200mm dia.(32 mm thick insulation)

80mm dia.(32 mm thick insulation)

50mm dia(32 mm thick insulation)

CONDENSER WATER PIPE: Supplying, 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 excluding valves, strainers, gauges etc. adequately supported on rigid 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 for pipes upto 350 mm dia.

200mm dia

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 (Geared) with C I body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled water/hot water circulation as specified

300MM Butterfly Valve (Wafer Type) S.G Iron Construction with SS -304 Disc, PN-16, Gear Operated,

200 MM , Butterfly Valve (Wafer Type) S.G Iron Construction with SS -304 Disc, PN-16, Gear Operated,

150 MM Butterfly Valve (Wafer Type) S.G Iron Construction with SS -304 Disc, PN-16, Gear Operated,

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

200 mm dia

50 mm dia

VALVES WITHOUT INSULATION Supplying, fixing, testing and commissioning of following valves, gauges and strainers for condenser water circulation as per specifications.

BUTTERFLY VALVE (MANUAL) with C I body SS disc nitrile sheet & O - ring & PN 16 pressure rating as specified.

50mm dia.

100mm dia.

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

Supplying, laying, fixing, testing and commissioning of following thickness closed cell elastomeric nitrile rubber of class 'O' applied by suitable adhesive, as per specifications and as required complete in all respect.

Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete. 25 MM Nominal Bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) 32 mm nominal bore

snowmex engineers ltd

AVISHA INFRASTRUCTURE PRIVATE LIMITED