Replacement of Condenser Pumps and Allied works at The Roof-Top of DMS Building at IIT Delhi

Amount

Supply, erection, testing and commissioning of mono-block condenser water pump set capable of delivering 730 LPM of water against 28 metre head to be fitted in existing suction and discharge pipe size 65 mm x 65 mm, each comprising of the following and complete as per specifications on the existing cement concrete foundation and angle-iron frame/channel complete as required. (Acceptable make of pump set: Kirloskar / Beacon / Crompton / BE / WASP / KSB) 1 no. - Mono block type pump 1 no. - suitable HP (not less than 7.5 HP), SPDP squirrel cage induction motor with class - B insulation, 3000 rpm synchronous speed, operating on 415 +/- 10% volts, 3 phase, 50 Hz a.c. supply. Energy rating IE4 2 nos. - 150 mm dia dial type pressure gauges 1 Lot - Mounting frame with antivibration pads

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering

1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources)

18 mm cement plaster in two coats under layer 12 mm thick cement plaster 1:5 (1 cement : 5 coarse sand) and a top layer 6 mm thick cement plaster 1:3 (1 cement : 3 coarse sand) finished rough with sponge.

Supplying, fixing, testing and commissioning of following valves, gauges and strainers for condenser water circulation as per specifications including removing the faulty existing one. BUTTERFLY VALVE (MANUAL) with C I body SS Disc, Nitrile sheet & O-Ring PN 16 pressure rating as specified. (Acceptable make: Kirloskar / BDK / Crane / Intervalve / KSB / Audco)

100mm dia

65mm dia

50mm dia

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 including removing the faulty existing one. BALANCING VALVE WITH BUILT IN MEASURING FACILITY with C I body flanged construction with EPDM caoted disc with long pitch with protection out pipe insulation & PN 16 pressure rating for chilled / hot water circulation as specified. (Acceptable make: Kirloskar / BDK / Crane / Intervalve / KSB / Audco)

65mm dia

50mm dia

Fabricating, providing and fixing M.S. C-channel of size 100 mm x 50 mm on PCC platform for resting pumps on the channel including securing, fastening, painting with anti-corrosive paint, welding etc. as required. (Acceptable make: SAIL / TATA / Jindal)

DRAIN PIPE: Supplying and laying of ISI marked medium CPVC pipe of 40 mm dia for draining of leaked water from pumps including providing tee, joints, elbows, supports, etc. complete as required. (Acceptable make: Astral / Supreme / Praksh / Prince)

Supplying and laying of 3 core x 6 sqmm size ISI marked PVC insulated PVC sheathed armoured copper conductor cable of 1.1 kV grade on surface as required. (Acceptable make: Havells / Finolex / Polycab / RR Kabel / KEI / Gloster)

Supplying and making end termination with brass compression gland and aluminium lugs for following size of pvc insulated and pvc sheathed / XLPE copper conductor cable of 1.1 kV grade as required.

3 Core x 6 sqmm

(-) Less Buy-Back of Old & Outlived motor and pumps [as is where is basis] (Reserve price Rs.15000/- per each)

(-) Less Buy-Back of Old valves of different sizes [as is where is basis] (Reserve price Rs.200/- per each)

SONA COOLING TOWERS

COMFORT SYSTEMS