8881/E8

Amount

M&L for quarterly cleaning of RO water storage tank of cap 5000 ltrs with bleaching powder by blocking the inlet/outlet flow from manholes, lifting the water out of the sump, scrapping the internal wall/floor with wire brush (to remove deposited scales, mud etc from the walls/floors by using suitable T&P manually from the bottom of the tank) and removing the same at a distance n exc 50m from the site where directed,opening the blocked holes etc before normalising flow complete all as specified and as directed by Engr -in-charge. Note contractor has to pump out the storage water at his own arrangement before cleaning the the tank)

All as per item No 1.00 here-in- before but service tank 2000 Ltr capacity

All as per item No 1.00 here-in- before but service tank 1000 Ltr capacity

All as per item No 1.00 here-in- before but service tank 500 Ltr capacity

Taking out of pump from existing position dismantling and repairing of pressure pump of any type up to 3 hp capacity, replacement of ball bearing, bush, connection wire, oiling etc complete testing all as specified and as directed.

Material and Labour Rewinding of electric motor AC 3phase 415 volts 50- HZ of capacity upto 3 HP with supper enamel copper wire of same size and heating and vernishing after removing the old burnt out winding including replacement of bearing etc testing & commissioning complete all as directed by Engr-in-Charge.

Dismantling the PVC body multigrade filter unit, (NFMG 20) of RO frontal pipe line and valves, un loading the media and cleaning media i.e pebbles, gravels using chemical as approved by manufacturer,servicing of multi port valve, re-installation of unit and testing complete, all as directed. Make : ION Exchange or equivalent as approved in Multitex Engg

Supply only items mentioned here-in-after for RO Plant :-

Multigrade filter media

Activated carbon media

Iron removal media

M&L for overhauling of RO plant of capacity upto 2000 LPH opening the pump set from RO, dismantling the parts for inspection, replacement of viltroli coupling shaft seal complete to build up the pressure for smooth functioning of RO plant complete all as specified and directed. Note : Chemical analysis Lab test : (1. TDS 2. PH 3. Micro biology (ecoly / coliform count) 4. Silica 5. Iron) of RO Plant treated water of various area from Govt. approved laboratory including collection of water in sterillized bottle for testing and submission of the test report (Note : testing is to be carried out on each plant and once in every qtr)

S&F in repair micron catridge capacity 10" slim complete all as specified and direted by Engineer-in-Charge.

S&F in repair micron catridge capacity 20" slim complete all as specified and direted by Engineer-in-Charge.

S&F in repair micron catridge capacity 20" big blow jumbo cartridge complete all as specified and direted by Engineer-in-Charge.

S&F in repair reverse osmosis membrane of cap upto 60 LPH model No. INDRO including taking down old unsv one complete all as specified and directed by Engr-in-Charge. Make : Ion exchange/Hydronatics/ion exchange/Multitex engg or equivalent.

S&F in repair reverse osmosis membrane of cap 110 LPH model No. INDRO including taking down old unsv one complete all as specified and directed by Engr-in-Charge. Make : Ion exchange/Hydronatics/ion exchange/Multitex engg or equivalent.

S&F in repair reverse osmosis membrane of cap 200 LPH model No. INDRO-43 including taking down old unsv one complete all as specified and directed by Engr-in-Charge. Make : Ion exchange/Hydronatics/ion exchange/Multitex engg or equivalent.

S&F in repair reverse osmosis membrane of cap 1000 LPH model No. INDRO-43 including taking down old unsv one complete all as specified and directed by Engr-in-Charge. Make : Ion exchange/Hydronatics/ion exchange/Multitex engg or equivalent.

Supply only sodium bicarbonate food grade ( Anti chlorine) complete all as specified and directed by Engr-in-Charge.

Supply only Anti Scalant complete all as specified and directed by Engr-in-Charge.

Supply only TDS meter having LCD display for showing of parameters such as TDS max upto 2000, temperature etc complete all as specified and as directed by Engr-in-charge.

S&F heavy duty PVC pipe of suitable size to with stand 5KG/Cm 2 pressure suitable for decrine dozing pump to rising mains including taking outexisting unserviceable one complete all as directed.

Opening top of iron removal plant of capacity upto 10000 GPH pressure filter, vertical type, unloading the filter media from the pressure filter e.g sand gravels (different sizes), taking out carefully strainer (Push/Thread) from inside bed plate, cleaning the inside bed plate & strainer fixing holes on the bed plate, disposal of sand within 100 metre radius from the existing filter plant duly painting inside surface with one coat of black bituminous paint suitable for drinking water inside the vessel and painting the outer surface with synthetic enamel paint of approved colour over 2 coats of red oxide primer after scrapping the outer surface of all 3 vessels i.e. oxidation chamber, iron removal vessel, softner plant complete all as directed. Note:- Sand and gravels shall be measured and paid as supply only under relevant items here-in-after. Note : Chemical analysis Lab test : (1. Turbidity 2. Iron 3. PH 4. Silica ) of IR Plant treated water of various area from Govt. approved laboratory including collection of water in sterillized bottle for testing and submission of the test report (Note : testing is to be carried out on each plant once in every qtr)

Supply only Coarse sand for filter media (16/32) mesh size

Supply only Gravel 1/4" to 1/10"

Supply only Gravel 1/2" to 1/3"

Supply only Gravel 3/4" to 1"

M&L for replacement of polypropelene strainers rings type of iron removal water treatment plant duly after taking out existing wornout one complete all as directed.

Opening top cover by unscrewing the bolts of 10,000 GPH softening plant, unloading the cation resin from upper portion of softening plant, keeping the resin bed at stable condition complete all as directed. Note : Note : Chemical analysis Lab test : (1. Hardness 2. Iron 3. PH 4. Silica ) of Softener Plant treated water from virious area from Govt. approved laboratory including collection of water , sterillized bottle for testing and submission of the test report (Note : testing is to be carried out on each plant and once in every qtr is inclusive of coated rate)

Supply & loading of cation resin after taking down old unserviceable one in the existing softening plant complete all as directed.

Supply and replacing MNO2 inside oxidation chamber at different location including taking out old one complete all as directed.

Supply only common salt for controlling of hardness of water of approved quality at water treatment plant complete all as directed.(Note : Transportation charges of qty as required to water treatment plant located at Hasting area will be included in the item rate.)

M&L for taking down and repairing the vertical high pressure RO pump set upto 3 HP by cleaning, derusting, and replacment of minior spares i.e impeller key, neck ring, coupling bush and key, nuts bolts, washer,bearing etc. reassembling the pump after m/c work of servicable spares and replacment of new spare parts, testing and commissioning complete all as specified and as directed. NOTE: New Spare parts will be measured and Paid separetly.

Supply only following spare parts for Pump and motor:-

Base plate

Drainage plug assembly

Primary diffuser

Diffuser withj bearing

Medium diffuser

Impeller

Final diffuser

Motor base

Vent plug assembly

Pump shaft

Plug casing ( suc , diffuser)

Upto 3HP

Material and Labour for rewinding of submersible motor upto 15 HP by taking out old/ burnt out winding from motor and cleaning the stator, rewinding with super enamelled water proof copper wire of original size/ gauge to produce required power, reassembling back including replacement of bush/bearing complete all as specified and directed.

M & L for Lifting of 10-15 HP non clogging submersible sewage pump with the help of chain pulley alongwith column pipe after diconnecting of electrical and mechanical connection, Cleaning thoroughly & dismantling non clogging sewage pump assembly complete and taking out unserviceable worn out spares overhauling the serviceable spares by derusting, machining and repalcement of minor spares like collaring, Impellar key, oil , tube gaskets nuts, & bolts with washer re-asembling the pump testing commissioning complete after lowering of pump set complete all as directed. (Notes :- (1) Replacement of major parts will be measured & paid separately; (2) Any minor part if required will be provided by contractor without any extra cost.

Supply only following spare part:-

Bearing

Line bush (UBH & LBH) Gun metal

Lock nut S.S

Impeller

Shaft SS

CI collar ring

Bowl Assembly

MS column pipe long both end flange.

Retainer Bearing

Shaft sleevs SS

Lifting and lowering non clogging sewage submersible pump set upto 5 HP from open well / sumps of any capacity all as per directed . Note:- One lifting, and one lowering should be measued as one job.

M&L for repairing the non clogging sewage submersible pump set 3-5 HP , cleaning, derusting, and replacment of minor spares i.e impeller key, neck ring, coupling bush and key,nuts bolts, washer, bearing etc. reassembling the pump after m/c work of servicable spares and replacment of new spare parts, testing and commissioning complete. (Notes :- (1) Replacement of major parts will be measured & paid separately; (2) Any minor part if required will be provided by contractor without any extra cost.

Supply only following spare parts for Pump and motor

Suction Bush

Stage Casing Bush

SS Shaft

SS Sleevs

GM Impeller

Stage casing Ring

Ball bearings

O ring

Lifting and lowering of submersible pump and motor from bore well of any capacity upto depth of 50 metres including all T&P complete all as per directed. Note:- one lifting, and one lowering should be measued as one job.

Repairing the submersible pump 25-30 HP by cleaning, derusting, and replacement of minor spares i.e impeller key, neck ring, coupling bush and key,nuts bolts, washer, bearing etc. reassembling the pump after m/c work of servicable spares and replacment of new spare parts, testing and commissioning complete. (Notes :- (1) Replacement of major parts will be measured & paid separately; (2) Any minor part if required will be provided by contractor without any extra cost.

Supply and fixing only following spare parts for Pump and motor:-

Suction Bush

Stage Casing Bush

SS Shaft

SS Sleevs

Impeller

Sort piece with flange

Diffuser

Lifting and lowering of mono block submersible pump & motor from open well / sumps of any capacity all as per directed by Engr-in-Charge. Note:- One lifting, and one lowering should be measued as one job.

Dismantling and servicing thoroughly 5-10 HP openwell monoblock submercible pumps set complete and taking out unserviceable worn out spares and overhauling the serviceable spares by derusting etc. and repalcement of minor spares like collaring Impellar key, oil tube, gaskets, nuts, & bolts with washer, bearing and throughly cleaning and re-assembling the pump and testing commissioning complete all as directed by Engr-in-Charge. Note:- Spare parts other than minor spares required to be replaced shall be measured and paid seperately as 'Supply only' items below.

Bearing

Lock nut Stainless Steel

Impeller

Shaft Stainless Steel

MS Supporting clamp

Dismantling and servicing thoroughly 22.5HP openwell monoblock submercible pumps set complete and taking out unserviceable worn out spares and overhauling the serviceable spares by derusting etc. and repalcement of minor spares like collaring Impellar key, oil tube, gaskets, nuts, & bolts with washer, bearing and throughly cleaning and re-assembling the pump and testing commissioning complete all as directed by Engr-in-Charge. Note:- Spare parts other than minor spares required to be replaced shall be measured and paid seperately as 'Supply only' items below.

Bearing

Lock nut Stainless Steel

Impeller

Shaft Stainless Steel

MS Supporting clamp

Dismantling the channel base and taking out the pump & motor of capacity 25-30HP AC 3 phase 415 volt disconnecting the pump motor opening the pump, cleaning derusting thoroughly machining inside body of the pump & repairing by replacement collar rings gaskets, Impeller locknuts shaft key etc re-assembling the pump installtion & testing commissioning complete. (Notes :- (1) Replacement of major parts will be measured & paid separately; (2) Any minor part if required will be provided by contractor without any extra cost.

Supply and fixing only following spare parts for Pump and motor :-

SS Shaft

Impeller

Impeller Bush

Pump Bearing

Motor Bearing

Coupling of Pump motor

Dismantling the channel base and taking out the pump & motor of capacity 10-15HP AC 3 phase 415 volt disconnecting the pump motor opening the pump, cleaning derusting thoroughly machining inside body of the pump & repairing by replacement collar rings gaskets, Impeller locknuts shaft key etc re-assembling the pump installtion & testing commissioning complete (Note : Major parts/spares of the pump will be measured & separately) (Notes :- (1) Replacement of major parts will be measured & paid separately; (2) Any minor part if required will be provided by contractor without any extra cost.

Supply and fixing only following spare parts for Pump and motor :-

SS Shaft

SS Shaft Sleevs

Impeller

Impeller Bush

Pump Bearing

Motor Bearing

Coupling of Pump motor

Delivery casing

Repair of pump panel board of any size/ any type by disconnecting and taking out old unserviceable wires and rewiring the same with same size of copper wire replacment of nut & bolts with washers, cable gland and gland plate, cleaning with blower, painting with existing colour, welding if required testing and commisioning complete all as specified & directed. Note: Any other Electrical fittings connecting to panel board should be measured and paid separately.

Supply and fix in repairs Fully automatic star delta controller with steel enlosure AC 3 phase, 415 volt 50 Hz, relay range 20-33 Amps coil volatge 380V suitable for 20HP-30HP pump motor including dismantling the old unsv complete all as directed .

Supply and fix in repairs Fully automatic star delta controller with steel enlosure AC 3 phase, 415 volt 50 Hz, relay range 9-15 Amps coil volatge 380V suitable for 12.5-15 pump motor including dismantling the old unsv complete all as directed .

Supply and fix in repairs DOL starter suitable for upto 7.5-10 HP motor,5.5 KW, 3phase, 415 Volts, 9-15 A including complete all as directed .

S & F in repairs 3 pole contactor MNX 25 25-45A capacity 415V rating complete all as specified and directed.

S & F in repairs 3 pole contactor MU 1 16-55A capacity 415V rating complete all as specified and directed.

S&F Single Phase Preventer relay for starter 415V complere all as specified and as directed by Engr-in-charge.

S&F PVC insulated water proof 3 core cable suitable for submersible pump set 1100 volts grade with standard copper conductor cable of size 6 sqmm including taking out the old unserviceable one.

S&F PVC insulated water proof 3 core cable suitable for submersible pump set 1100 volts grade with standard copper conductor cable of size 16 sqmm including taking out the old unserviceable one.

S&F Indicator lamp, LED type of colour red, blue and yellow including taking down of old UNSV complete all as specified.

S & F terminal block 100A 3 way for pump motor controller including taking down of old unsv one complete all as specified and directed.

S & F in repairs pressure gauge, 100 mm size, fitted on delivery side of pump set , including all necessary items required like ball valve & dismantling the old one complete all as specified and as directed.

Supply and fixing in repairs, bi-metallic overload relay type ML 2/ML3 mounted on the contactor with current carrying capacity ranging from 9-14A/13-21A/20-32A/28-42A complete all as specified and as directed.

Supply and fixing in repairs, bi-metallic overload relay type ML 1 mounted on the contactor with current carrying capacity ranging from 6-10A/9-14A complete all as specified and as directed.

Supply, installation and commisioning for water metre flanged MID marked woltman type B IP 68 with removable mechanism jointed in HDPE pipe of 200mm size including cutting ad making flanged joint complete all as specified and directed.

S&F 25 mm dia PVC conduit pipe, heavy duty with all fixing accessories including taking town of old unserviceable one complete all as specified and as directed.

S&F 32 mm dia PVC conduit pipe, heavy duty with all fixing accessories including taking town of old unserviceable one complete all as specified and as directed.

Supply & fix in repairs 1.5 Sqmm FRLSH Copper conductor coil for connection in pump house of any pump/motor/panel/starter/ other works of such nature complete all as specified and directed.

All as per item No. 139.00 but using 2.5 sqmm size conductor

All as per item No. 139.00 but using 4 sqmm size conductor

All as per item No. 139.00 but using 6 sqmm size conductor

All as per item No. 139.00 but using 10 sqmm size conductor

All as per item No. 139.00 but using 16 sqmm size conductor

S & F chemical dosing pump of min cap 6litres/hr @ 4kg back pressure used in chloring dosing system working in pulsar rating plastic body complete all as specified and directed.Make-RMCO or equivalent

Materials and labour for earthing complete with GI earth plate electrode 60 cm x 60 cm x 6.00 mm thick burried in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI strip 4 mm as earthing lead by means of bolts, nuts, check nuts and washers of GI or steel, GI strip proected by 20 mm bore light grade GI pipe and other end connected to earth test point as directed including funnel with watering pipe 20 mm bore light grade galvanised iron, wire mesh, charcoal or coke common salt laid in alternative layer of 15 cm (complete thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1, 50 mm thick pre-cast RCC (1:2:4) type B-1 normal mix cover slab reinforced with 8 mm dia TMT bar 10 cm c/c bothways and single handle of 10 mm dia round bar including necessary excavation, earth work etc. in soft / loose soil and disposal pf soil to a distance n. exc. 50 m and necessary testing on completion all as shown in electrical plate No. 3 MES Schedule Part-I complete all as specified and as directed.

S&F Gun metal vertical check valve/non return valve 100 mm dia heavy duty (ISI marked) thread type includng taking down old unservicable one complete all as specified and directed.

S&F Gun metal vertical check valve/non return valve 50 mm dia heavy duty (ISI marked) thread type includng taking down old unservicable one complete all as specified and directed.

Servicing and maintaining pumping installation by tightening / replacing the gland rope of pump ,replacing rubber coupling , clearing the leakage of sluice valves, NRV's, aircock, pressure guage by tightening gland etc. and painting the pumps, NRV, Sluice Valves, pipes at T park comprising of centrifugal pump of 30HP & 25HP capacity, NRV-04 nos, Suice valves-6 nos,150mm pipe, 100mm pipe complete all as specified and as directed.

Servicing and maintaining pumping installation by tightening / replacing the gland rope of pump ,replacing rubber coupling , clearing the leakage of sluice valves, NRV's, aircock, pressure guage by tightening gland etc.and painting the pumps, NRV, Sluice Valves, at Hoogly view pump house comprising of booster pump of 15hp-02 nos, booster pump 7.5hp-02 nos, 50mm pipe complete all as specified and as directed.

Servicing and maintaining pumping installation by tightening / replacing the gland rope of pump ,replacing rubber coupling , clearing the leakage of sluice valves, NRV's, aircock, pressure guage by tightening gland etc. and painting the pumps, NRV, Sluice Valves, at Bhattacharjea pump house comprising of booster pump of 10hp-02 nos, RO high pressure pump-02 nos, RO pump 1.5hp-02 nos,Fire pump(terrace) 12.5hp-02 100mm pipe, NRV-04, Sluice valve-02, 80mm pipe complete all as specified and as directed.

Servicing and maintaining pumping installation by tightening / replacing the gland rope of pump ,replacing rubber coupling , clearing the leakage of sluice valves, NRV's, aircock, pressure guage by tightening gland etc.. and painting the pumps, NRV, Sluice Valves, at Napier PH comprising of booster pump of 10hp-01 nos, pump 7.5hp-01 nos, 50mm pipe complete all as specified and as directed.

Servicing and maintaining pumping installation by tightening / replacing the gland rope of pump ,replacing rubber coupling , clearing the leakage of sluice valves, NRV's, aircock, pressure guage by tightening gland etc.and painting the pumps, NRV, Sluice Valves, at MAP PH comprising of booster pump of 10hp-02 nos, RO pump 1hp-02 nos, High pressure pump3hp-2, Fire pump(terrace) 12.5hp-02, NRV-4, Sluice Valve-3, 100mm pipe , 80mm pipe complete all as specified and as directed.

M & L for PCC (1:4:8) type D-2 using 40mm graded stone aggregate to form base of pump complete all as specified & directed including demoltion of old PCC/broken PCC and removing it to distance not more than 50m from MES Installation.

M & L for dewatering the valve pit chamber, drying, making good with water proofed PCC, scrubbing the valve pit with iron brush ,welding and painting the pit chamber with 2 coats of red oxider primer and one coat of black paint complete all as specified and directed.

M & L for top cover valve pit chamber made of MS sheet & locking arrangement and painting with two coats of synthetic enamel over a coat of red oxide primer including removal of rusted damaged top cover all as specifed & directed with MS frame fabricated by angle of suitable size complete all as specified and directed.

M & L for base of pump motor including fabrication from mild steel including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as approved or indicated or directed including of one primer coat, one under coat and one finishing coat of paint complete all as specified and directed.

M & L for welding work for the broken pipe flanges / pump set base channel including necessary additional required material, checking/correcting the alignment of pumpset including removing & refixing, cleaning the dust, rust and necessary painting all as specified and directed

Development of borewell with suitable capacity compressed air for a period as required but till the sand free water is obtained (sand content of water shall not be more than 10ppm) complete all as specified and as directed.

Construction of brick masonary valve pit chamber of sizse 900 x 900 x 900 mm internal dimension using sub class-'B' bricks in CM (1:6) plastering in cement mortar (1:4) externally & internally extended to 15 cm below ground level including PCC bed 10 cm thick in PCC 1:3:6 Type C2 with MS frame fabricated by angle of size 40 x 40 x 6mm complete with top cover of 3 mm thick MS sheet & locking arrangement and painting with two coats of synthetic enamel over a coat of red oxide primer including demolition of old unserviceable damged valve pit complete all as specifed & directed.

Rounaq Enterprise (BID ID -3486360)

EAST COAST STANDARD PRODUCTS (BID ID -3485905)