SERVICING REPAIR AND MAINTENANCE OF WATER CIRCULATING PUMP SETS AND CERTAIN OTHER ALLIED WORKS OF VARIOUS CENTRAL AND PACKAGE TYPE AIR CONDITIONING PLANTS AT ND V

Amount

Material and labour for repairs and servicing of forced draft FRP cooling towers CM - 01 AC Plant by disconnecting all connections, thorough cleaning of FRP casing header, PVC fills, strengthening the MS structural supports, replacement of all rusted nuts, bolts, washers with stainless steel nuts, bolts, washers and greasing/oiling of fan motor and fan bushes / bearings, checking fan assembly, replacement of existing perished filter screen of out-let connections, arresting leakages from all joints by applying FRP compound, refixing PVC fills old or new, painting with one coat of synthetic enamel paint to steel surfaces all as specified and directed. [Note : - Required new PVC fills shall be measured and paid separately]

All as per item No. 1.00 above but suitable for CM - 02.

All as per item No. 1.00 above but suitable for CM - 04.

All as per item No. 1.00 above but suitable for CM - 06.

All as per item No. 1.00 above but suitable for CM - 09.

Supply and fix butterfly valves of 50 mm bore forpipe lines of AC plants with necessary modification to flanges, welding, nuts & bolts as required at site including dismantling existing unserviceable valves all as specified and directed [Make : - Audco / Shakti / Zoloto]

All as per item No. 6.00 above but 80 mm bore

All as per item No. 6.00 above but 100 mm bore

All as per item No. 6.00 above but 150 mm bore

All as per item No. 6.00 above but 200 mm bore

Supply & fix medium grade GI pipe of 25 mm bore as in condenser water line with fittings and fixed complete to walls and ceilings or laid in floors as per site conditions including taking down the corroded pipes all as specified and directed. Make : - Tata / Jindal / Oswal / Kalinga

All as per item No. 11.00 above but 40 mm bore

All as per item No. 11.00 above but 50 mm bore

All as per item No. 11.00 above but 80 mm bore

All as per item No. 11.00 above but 100 mm bore

All as per item No. 11.00 above but 150 mm bore

Supply and fix stainless steel ball valve of 50 mm dia (ball of stainless steel). Valves made up of cast iron material with stainless steel ball with necessary modification work as required at site including dismantling existing unserviceable valves complete all as specified and directed. [Make:- Audco/Shakti/Zoloto]

All as per item No. 17.00 above but 40 mm dia

All as per item No. 17.00 above but 25 mm dia

Supply and fix in replacement of gun-metal gate valves of 25 mm bore with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed.

All as per item No. 20.00 above but 40 mm bore

All as per item No. 20.00 above but 50 mm bore

Supply and fix in replacement of ball brass valves of 25 mm bore, high pressure with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed.

All as per item No. 23.00 above but 32 mm bore

All as per item No. 23.00 above but 40 mm bore

Material and labour for preparation of surfaces by scrapping and removing rusted portion with wire brush and applying one coat of synthetic enamel paint of existing shade for complete refrigeration system, in-let/out-let pipe lines, compressor unit, condenser pump set, control LT panel board duct covers, cooling tower stand including lettering & numbering and applying one coat of white/colour wash to chiller pipe line all as specified and directed.

Supply only PVC fills of size 600 x 300 x 150 mm suitable for CM 9 ‘Mihir’ make cooling towers all as specified and directed.

All as per item No. 27.00 above but suitable for CM - 3 of ‘Mihir’ make cooling towers all as specified and directed.

Material and labour for repairs and overhauling of pumps of 3 HP capacity by disconnecting and taking out from the bed, refixing the impeller old or new, replacement of worn out bush/ball bearing, replacement of gland packing, studs, bolts etc., reassembling the pump unit, reinstalling its original position including painting to pump body with one coat of synthetic enamel paint, testing all as specified and directed. [Note :- Impeller required new shall be measured and paid separately]

All as per item No. 29.00 above but 5 HP

All as per item No. 29.00 above but 7.5 HP

All as per item No. 29.00 above but 10 HP

All as per item No. 29.00 above but 25 HP

All as per item No. 29.00 above but 30 HP

All as per item No. 29.00 above but 40 HP

Material and labour for repairs and overhauling of motors of 2 HP capacity by disconnecting and taking out from the bed, replacement of worn out bush/ball bearing, lugs, studs, bolts etc., re-installing in it's original position including painting the motor body with one coat of synthetic enamel paint, connecting up, testing all as specified and directed.

All as per item No. 29.00 above but 3 HP

All as per item No. 29.00 above but 5 HP

All as per item No. 29.00 above but 10 HP

All as per item No. 29.00 above but 15 HP

All as per item No. 29.00 above but 20 HP

All as per item No. 29.00 above but 25 HP

All as per item No. 29.00 above but 30 HP

All as per item No. 29.00 above but 40 HP

Material and labour for disconnecting, taking out the motors of 3 HP caapcity from the bed, tranportation to workshop and removing the existing winding and rewinding with new super enameled copper wire of same gauge and same number of turns after thorough cleaning of stator body and rotor applying insulating varnish, drying up by heating for improving ohmic valve, reassembling the motor by replacement of both end bearings, including painting with one coat of synthetic enamel paint, reinstalling on its original position connecting up, testing all as specified and directed.

All as per item No. 45.00 above but 5 HP

All as per item No. 45.00 above but 10 HP

All as per item No. 45.00 above but 15 HP

All as per item No. 45.00 above but 20 HP

All as per item No. 45.00 above but 25 HP

All as per item No. 45.00 above but 30 HP

All as per item No. 45.00 above but 40 HP

Supply and fix 100 Amps 50 KA, 3 pole MCCB panel mounted, 3 pole of specifications 50 Hz, 415 Volts complete all as specified and directed. [Make : - L&T or equivalent in Schneider]

Supply and fix ML-1.5 Power contactor including taking out old unserviceable power contactors all as specified and directed. [Make:-Cat.No.SS 91851 of ‘L&T’ or equivalent in ‘Schneider/ HPL’]

All as per item No. 54.00 above but ML-2 Power contactor [Make:-Cat.No.SS90701 of ‘L&T’ or equivalent in ‘Schneider / HPL]’

All as per item No. 54.00 above but ML-3 Power contactor [Make:- Cat.No.SS 90721 of ‘L&T’ or equivalent in ‘Schneider/ HPL]’

All as per item No. 54.00 above but ML-4 Power contactor [Make:-Cat.No.SS90910 of ‘L&T’ or equivalent in ‘Schneider/ HPL]’

Supply and fix Overload relay 4 - 5.5A OLRs including taking out old unserviceable over load relays all as specified and directed. [Make :- Cat No. SS91858OOTO of ‘L&T’ or equivalent in ‘Schneider/ HPL]’

All as per item No. 58.00 above but Overload relay 6 - 10 Amps. [Make : Cat No. SS911858OOVO of ‘L&T’ or equivalent in Indo Asian/HPL]’

All as per item No. 58.00 above but Overload relay 10 - 16A. [Make : Cat No.SS91858OOBO of ‘L&T’ or equivalent in ‘Schneider/HPL]’

All as per item No. 58.00 above but Overload relay 13 - 21A. [Make :- Cat No.SS91859OOCO of ‘L&T’ or equivalent in Schneider/HPL]’

Supply and fix fully automatic star delta starter of 7.5 HP 5.5 kw MK1 DOL capacity in sheet metal enclosure , AC 3 Phase, 415 volts 50 Hz, including necessary control wiring, commissioning including taking out old unserviceable star delta starter all as specified and directed. [Make : Cat No SS96228 of L & T or equivalent in GEC/Crompton Greaves ]

All as per item No. 62.00 above but 15 HP 11 kw MN 16 FASD of Cat No SS94362 of L & T or equivalent in GEC/Crompton Greaves

All as per item No. 62.00 above but 35 HP, 26 KW , MN 32 FASD of Cat No. SS94366 of L & T or equivalent in GEC/Crompton greaves.

Supply and fix single phase preventor + timer 415 V including taking out old unserviceable single phase preventer all as specified and directed. [Make : Cat No SDz5 XM81809OOOO of L & T/ Minilec]

Supply and fix electronic timer type ET 100 240 / 415 volts, 50 HZ AC supply including necessary control wiring, commissioning including taking out old unserviceable electronic timer all as specified and directed. [Make : Cat No. SE 92006 of L&T or equivalent in Schneider/ HPL]

Material and labour for taking out defective carbon brush with holder from slipring motor, supply & fix new carbon brush with holder suitable for ‘Kirloskar’ make motor of 135 HP capacity all as specified and directed.

Servicing/maintinance of multiple section of LT Panel board in one plant room comprising minimum up to 05 Nos. ACBs/ MCCBs/SDF, busbar chamber, swich gear chamber, metering chamber cable termination / tray chamber after opening front / top / side / back cover by using forced air pressure and brushes, cleaning of all dust/durt, complete cleaning of out side surface of panel board using suitable cleaning agents, tighting of all nuts & bolts of busbar/ switchgear / cable terminals, repair / replacement to defective metering wiring from ACB / MCCB / CT to meter and replacement of defective meters, CTs, indicator lamp, metering terminal blocks, MCB, replacement of defective aluminum cable lugs, nuts-bolts-washers, replacement of defective Panel knob/door knob and hinges all as specified and directed for [Note:- (i) Panel Meter, indicator lamp, MCB and CT shall be measured and paid seperately as supply only. (ii) required aluminium cable lugs, metering cables and nuts-bolts-washers shall be inclusive of quoted rate. (iii) Servicing/maintinance of ACBs measured seperatelly].

Supply and fix in replacement of 6 qmm 3 core flat Submersible copper conductor complete all as specified and directed. [Make : - Havells or equivalent].

Supply only indication lamps (LED type) red, yellow and blue in colours of 22.5 mm dia to monitor on LT panel board suitable for 240 V AC supply and taking down unserviceable indication lamps all as specified and directed. [Make:-Siemens/C&S/schneider/ABB]

Supply only Impeller for 3 HP pump.

Supply only Impeller for 5 HP pump

Supply only Impeller for 7.5 HP pump

Supply only Impeller for 10 HP pump

Supply only Impeller for 25 HP pump

Supply only Impeller for 30 HP pump

Supply only Impeller for 40 HP pump.

Material & labour for PCC (1:2:4), type B1 (using 20 mm graded stone aggregate) as in foundation filling, repairs to damaged floors including necessary form work and finishing the exposed surfaces of concrete fair and even complete all as specified and directed.

M&L for Brickwork with subclass `B' bricks, straight or curved on plan exc 6m mean radius, built in 1:6 cement morter including dismantling taking out unsv one complete all as specified and directed.

M&L for Rendering 10mm thick plaster on fair faces of brick work or concrete surfaces incl dismantling taking out unsv plaster complete all as specified and directed.

M&L for rotational moulded polyethene water storage tank 1000 Ltr (cylindrical vertical with closed top) hoisted and fixed in position complete all as specified and directed.

Material and labour for taking out damaged insulation portion of existing refrigerant line/chilled water pipe line 50 mm bore and cleaning the pipe and insulation with thermocole pipe section TF quality waterproof around pipe and fixed with GI wire mesh, plastering with cement mortar 1:4, 15 mm thick, finished smooth and duly painted with two coats of cement based paint and removing dismantled materials from Dockyard premises all as specified and directed.

All as per item No. 84.00 above but 65 mm bore

All as per item No. 84.00 above but 80 mm bore

All as per item No. 84.00 above but 120 mm bore

All as per item No. 84.00 above but 150 mm bore

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