REPAIR ANND MAINTEANCE CENTRIFUGAL, SUBMERSIBLE, STATERS, MONO BLOCK PUMP AND OTHER ALLIED WORK AT NAA UNDER GE (N) TEZPUR

Amount

M&L for lifting of defective/unserviceable submersible pump motor set of any size from bore wells including dismantling and taking out column pipes of any size & length alongwith submersible cable, nut&bolts etc; and lowering the pump set after rectifing defects or carrying out necessary repairs / replacement of defective parts , nut bolt rubber packing etc all as specified and directed. Note : (i) Spares for repairs/rewinding of pump/motor will be measured and paid separately. (ii) Costs of all necessary Lath work & T&P required at site and transportation is deemed to be included in the rates quoted.

M&L for rewinding of submersible motors AC, 3 phase, 440 volt of capacity 2 HP with superior quality PVC insulated copper submersible winding wire of identical gauge and specification of the existing winding wires with all necessary insulating materials and testing complete all as specified.

M&L for rewinding of submersible motors AC, 3 phase, 440 volt of capacity 15 HP with superior quality PVC insulated copper submersible winding wire of identical gauge and specification of the existing winding wires with all necessary insulating materials and testing complete all as specified.

M&L for rewinding of submersible motors AC, 3 phase, 440 volt of capacity 20 HP with superior quality PVC insulated copper submersible winding wire of identical gauge and specification of the existing winding wires with all necessary insulating materials and testing complete all as specified.

M&L for rewinding of submersible motors AC, 3 phase, 440 volt of capacity 25 HP with superior quality PVC insulated copper submersible winding wire of identical gauge and specification of the existing winding wires with all necessary insulating materials and testing complete all as specified.

Supply only in repair of motor bush upper and lower suitable for submersible motor of any size / capacity complete all as specified and as directed.

Supply only in repair rotor bearing sleeve upper and lower suitable for submersible motor of any size / capacity all as specified and directed.

Supply only in repair sand guard suitable for submersible pump set any size/capacity all as specified and directed.

Supply only in repair of submersible motor thrust plate assembly of capacity 2 HP complete all as specified and as directed.

Supply only in repair of submersible motor thrust plate assembly of capacity 15 HP complete all as specified and as directed.

Supply only in repair of submersible motor thrust plate assembly of capacity 20 HP complete all as specified and as directed.

Supply only in repair of submersible motor thrust plate assembly of capacity 25 HP complete all as specified and as directed.

Supply and fixing motor coupler sleeve with key suitable for submersible pump sets of any size/capacity complete all as specified and as directed.

M&L for carrying out repair to submersible pump after dismantling the assembly complete for replacement of worn out spares such as stage bowls, impellers, pump shaft, sleeves, bushes etc; including filling, turning & polishing works to pump shaft, GM impellers if necessary, reassembling the pump after repairs and testing complete including applying a coat of water proof epoxy paint to the external surfaces of pump all as specified and directed of following capacity 2 HP (Note : Any spares requires to be replaced will be measured and paid separately).

M&L for carrying out repair to submersible pump after dismantling the assembly complete for replacement of worn out spares such as stage bowls, impellers, pump shaft, sleeves, bushes etc; including filling, turning & polishing works to pump shaft, GM impellers if necessary, reassembling the pump after repairs and testing complete including applying a coat of water proof epoxy paint to the external surfaces of pump all as specified and directed of following capacity 15 HP (Note : Any spares requires to be replaced will be measured and paid separately).

M&L for carrying out repair to submersible pump after dismantling the assembly complete for replacement of worn out spares such as stage bowls, impellers, pump shaft, sleeves, bushes etc; including filling, turning & polishing works to pump shaft, GM impellers if necessary, reassembling the pump after repairs and testing complete including applying a coat of water proof epoxy paint to the external surfaces of pump all as specified and directed of following capacity 20 HP (Note : Any spares requires to be replaced will be measured and paid separately).

M&L for carrying out repair to submersible pump after dismantling the assembly complete for replacement of worn out spares such as stage bowls, impellers, pump shaft, sleeves, bushes etc; including filling, turning & polishing works to pump shaft, GM impellers if necessary, reassembling the pump after repairs and testing complete including applying a coat of water proof epoxy paint to the external surfaces of pump all as specified and directed of following capacity 25 HP (Note : Any spares requires to be replaced will be measured and paid separately).

Supply in replacement GM impellers for submersible pump with key and bushes suitable for 2 HP Capacity complete all as specified and as directed.

Supply in replacement GM impellers for submersible pump with key and bushes suitable for 15 HP Capacity complete all as specified and as directed.

Supply in replacement GM impellers for submersible pump with key and bushes suitable for 20 HP Capacity complete all as specified and as directed.

Supply in replacement GM impellers for submersible pump with key and bushes suitable for 25 HP Capacity complete all as specified and as directed.

Supply in replacement Pump Shaft steel for submersible pump suitable for 2 HP Capacity complete all as specified and as directed.

Supply in replacement Pump Shaft steel for submersible pump suitable for 15 HP Capacity complete all as specified and as directed.

Supply in replacement Pump Shaft steel for submersible pump suitable for 20 HP Capacity complete all as specified and as directed.

Supply in replacement Pump Shaft steel for submersible pump suitable for 25 HP Capacity complete all as specified and as directed.

Supply in replacement Bearing bush for submersible pump suitable for 2 HP Capacity complete all as specified and as directed.

Supply in replacement Bearing bush for submersible pump suitable for 15 HP Capacity complete all as specified and as directed.

Supply in replacement Bearing bush for submersible pump suitable for 20 HP Capacity complete all as specified and as directed.

Supply in replacement Bearing bush for submersible pump suitable for 25 HP Capacity complete all as specified and as directed.

Supply in replacement CI bowl assembly for submersible pump suitable for 2 HP Capacity complete all as specified and as directed.

Supply in replacement CI bowl assembly for submersible pump suitable for 15 HP Capacity complete all as specified and as directed.

Supply in replacement CI bowl assembly for submersible pump suitable for 20 HP Capacity complete all as specified and as directed.

Supply in replacement CI bowl assembly for submersible pump suitable for 25 HP Capacity complete all as specified and as directed.

Supply in replacement Neck rings for pump sets of any size/capacity all as specified and directed.

Supply in replacement Distance sleeve suitable for pump sets of any size/capacity all as specified and directed.

Dismantling of unserviceable centrifugal pump motor sets of any size/ capacity after disconnecting electric and water connections and transportation from site to work shop and back for carrying out repairs work, replacement of unsv parts with new part as required incluidng re-fixing in position and connecting and testing complete as directed.

M&L for opening up unserviceable electric induction motor, 3 phase AC 440 Volts, cutting and removing the burnt winding coils complete and re-winding the same with super enamelled copper conductor wires of appropriate size as per the existing gauge all necessary insulating materials, varnishing, dryining etc including refixing in position , connecting and testing complete all as specified and directed at site for the following capacity 10 HP

M&L for opening up unserviceable electric induction motor, 3 phase AC 440 Volts, cutting and removing the burnt winding coils complete and re-winding the same with super enamelled copper conductor wires of appropriate size as per the existing gauge all necessary insulating materials, varnishing, dryining etc including refixing in position , connecting and testing complete all as specified and directed at site for the following capacity 15 HP

M&L for opening up unserviceable electric induction motor, 3 phase AC 440 Volts, cutting and removing the burnt winding coils complete and re-winding the same with super enamelled copper conductor wires of appropriate size as per the existing gauge all necessary insulating materials, varnishing, dryining etc including refixing in position , connecting and testing complete all as specified and directed at site for the following capacity 20 HP

M&L for opening up unserviceable electric induction motor, 3 phase AC 440 Volts, cutting and removing the burnt winding coils complete and re-winding the same with super enamelled copper conductor wires of appropriate size as per the existing gauge all necessary insulating materials, varnishing, dryining etc including refixing in position , connecting and testing complete all as specified and directed at site for the following capacity 25 HP

S&F in repair terminal in connector for motors of capacity 10 HP complete all as specified and directed.

S&F in repair terminal in connector for motors of capacity 15 HP complete all as specified and directed.

S&F in repair terminal in connector for motors of capacity 20 HP complete all as specified and directed.

S&F in repair terminal in connector for motors of capacity 25HP complete all as specified and directed.

S&F in repair PVC fan blade for motors of capacity 10 HP complete all as specified and directed.

S&F in repair PVC fan blade for motors of capacity 15 HP complete all as specified and directed.

S&F in repair PVC fan blade for motors of capacity 20 HP complete all as specified and directed.

S&F in repair PVC fan blade for motors of capacity 25 HP complete all as specified and directed.

S&F in repair/Replacement of pump end ball bearing suitable for capacity 10 HP complete all as specified and directed.

S&F in repair/Replacement of pump end ball bearing suitable for capacity 15 HP complete all as specified and directed.

S&F in repair/Replacement of pump end ball bearing suitable for capacity 20 HP complete all as specified and directed.

S&F in repair/Replacement of pump end ball bearing suitable for capacity 25 HP complete all as specified and directed.

Dismantling of transmission shaft of pump, buildingup wornout metal to required level, machining to the under size on lathe machine, grinding and finishing to required size to match the sleeve, and fixing into the housing, alignment and check with dial gauge indicator complete all as directed by Engr-in-charge for following capacities 10 HP

Dismantling of transmission shaft of pump, buildingup wornout metal to required level, machining to the under size on lathe machine, grinding and finishing to required size to match the sleeve, and fixing into the housing, alignment and check with dial gauge indicator complete all as directed by Engr-in-charge for following capacities 15 HP

Dismantling of transmission shaft of pump, buildingup wornout metal to required level, machining to the under size on lathe machine, grinding and finishing to required size to match the sleeve, and fixing into the housing, alignment and check with dial gauge indicator complete all as directed by Engr-in-charge for following capacities 20 HP

Dismantling of transmission shaft of pump, buildingup wornout metal to required level, machining to the under size on lathe machine, grinding and finishing to required size to match the sleeve, and fixing into the housing, alignment and check with dial gauge indicator complete all as directed by Engr-in-charge for following capacities 25 HP

Supplying & fixing to walls and ceilings or laid in floors 100 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & fixing to walls and ceilings or laid in floors 50 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & fixing to walls and ceilings or laid in floors 25 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & fixing to walls and ceilings or laid in floors 20 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

S & F ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe of 20 mm size, minimum weight 210 grams complete all as specified and as directed by the Engineer-in-Charge.

Dismantling water tanks capacity exceeding 250 litres but not exceeding 500 Litres and keeping aside for credit complete all as specified and as directed.

Dismantling water tanks capacity exceeding 500 litres but not exceeding 1000 Litres and removing to store complete all as specified and as directed.

S & F rotational moulded polyethylene double layer water tanks (vertical cylindrical with close top) as per IS 12701: 1996 of 500 litres capacity hoisted and fixed in position including provision of 20 mm /15 mm dia medium grade GI pipe for connecting inlet, outlet, over flow and washout pipes all as specified and as directed.

S & F rotational moulded polyethylene double layer water tanks (vertical cylindrical with close top) as per IS 12701: 1996 of 1000 litres capacity hoisted and fixed in position including provision of 20 mm /15 mm dia medium grade GI pipe for connecting inlet, outlet, over flow and washout pipes all as specified and as directed.

Supply and fix in replacement of split rubber coupling pad / Star pad suitable for any type anu size complete all as specified and directed.

Supply only steel wire rope (SWR) 10 mm dia with PVC coated complete all as specified and directed.

Supply only submersible cable 10 sqmm 3 core flat cable copper conductor of following size, ISI marked complete all as specified and directed, Conf to IS Make : Finolex/Havell

M&L for water proof cable jointing kit with hardner compound complete suitable for submersible cable PVC insulated and sheathed, 10/16 Sqmm flat, 3 core, 1100 volt grade complete all as specified and directed.

M & L for non-rising stem type sluice valves having double flanged for connections of nominal pressure (PN 1.6) as per IS 14846: 2000 of preferred materials, nominal size 150 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

M & L for non-rising stem type sluice valves having double flanged for connections of nominal pressure (PN 1.6) as per IS 14846: 2000 of preferred materials, nominal size 100 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

M & L for non-rising stem type sluice valves having double flanged for connections of nominal pressure (PN 1.6) as per IS 14846: 2000 of preferred materials, nominal size 80 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

S & F butterfly valve (ISI Marked)cast iron, PN 1.6, class 125, nominal size 150 mm as per IS 13095: 1991 complete all as specified and as directed.

S & F in repairs butterfly valve (ISI Marked) cast iron double flanged, long type, lever operated, PN 1.6, class 300, nominal size 100 mm as per IS 13095: 1991 including necessary fittings complete all as specified and as directed.

S & F butterfly valve (ISI Marked)cast iron, PN 1.6, class 125, nominal size 50 mm as per IS 13095: 1991 complete all as specified and as directed.

Supply and fixing Non return valve vertical/horizontal type (Suitable as per existing valve) with gasket bolts, nuts and washers in position of 150 mm bore in IRP supply and delivery complete all as specified and directed by Engr-in-charge.

Supply and fixing Non return valve vertical/horizontal type (Suitable as per existing valve) with gasket bolts, nuts and washers in position of 100 mm bore in IRP supply and delivery complete all as specified and directed by Engr-in-charge.

S&F fully automatic star delta starter, 25 HP capacity , 3 phase 440 volt in sheetmetal enclosure complete with over load protection with adjustable relay, electronic timer relay and including provision of MS flat strips of suitable size and shape duly drilled for fixed to wall including its connection complete all as specified.

S&F fully automatic star delta starter, 20 HP capacity , 3 phase 440 volt in sheetmetal enclosure complete with over load protection with adjustable relay, electronic timer relay and including provision of MS flat strips of suitable size and shape duly drilled for fixed to wall including its connection complete all as specified.

S&F submersible pump controller DOL starter suitable for capacity up to 2/3 HP pump motor set , single phase 230 volt , relay range 11-18 Amp , in sheetmetal enclosure complete including provision of MS flat strips of suitable size and shape duly drilled for fixed to wall including its connection complete all as specified. Make : L&T or equivallent in SEIMENS / Legrand.

Materials and Labour for opening up stuffing box of cast iron sluice valve in position, repaire /replacement of gland packing, nuts, bolts and washers etc with existing size complete all as directed for the following sizes :- 200 mm bore

Materials and Labour for opening up stuffing box of cast iron sluice valve in position, repaire /replacement of gland packing, nuts, bolts and washers etc with existing size complete all as directed for the following sizes :- 150 mm bore

Materials and Labour for opening up stuffing box of cast iron sluice valve in position, repaire /replacement of gland packing, nuts, bolts and washers etc with existing size complete all as directed for the following sizes :- 100 mm bore

Materials and Labour for opening up stuffing box of cast iron sluice valve in position, repaire /replacement of gland packing, nuts, bolts and washers etc with existing size complete all as directed for the following sizes :- 80 mm bore

M&L for maching and cutting etc of stainless steel/brass spindle with check nut (as per sample) suitable complete all as specified and directed for following size of sluice valve 200 mm dia

M&L for maching and cutting etc of stainless steel/brass spindle with check nut (as per sample) suitable complete all as specified and directed for following size of sluice valve 150 mm dia

M&L for maching and cutting etc of stainless steel/brass spindle with check nut (as per sample) suitable complete all as specified and directed for following size of sluice valve 100 mm dia

M&L for maching and cutting etc of stainless steel/brass spindle with check nut (as per sample) suitable complete all as specified and directed for following size of sluice valve 80 mm dia

M&L for repairing of Digital Water Level Indicator Device (150mm, Digit Display make "SECO" Type -DDS-6) Operating on Single phase supply, direct display in 150mm size digit system in meter/Centimeter of water level of Sumps/Over Head Tank ensuring alaram while water fall or rise at predetermined limit,1 Minute auto Off alarm complete all as specified and directed.

M&L for construction of valve chamber in replacement 900 x 900 x 900 mm internal dimensions, 3 mm thick MS sheet cover with 2 Nos MS hinges welded to angle iron frame of 40mm x 40mm x 5 mm thick with lifting hook and locking arrangement complete with necessary earth work, brick work in CM (1:6), 230 mm thick, PCC bed (1:4:8) type D2 150 mm thick, cement plastering, finishing 15 mm thick in CM (1:4) and applying a coat of black bituminous paint to the steel surfaces including demolation/dismantling and removal of old unserviceble valve pit (Rate of demolation and removal of old unserviceble item is included in quoted rate) all as specified and directed at site.

M&L for construction of valve chamber in replacement 1200 x 1200 x 1200 mm internal dimensions, 3 mm thick MS sheet cover with 2 Nos MS hinges welded to angle iron frame of 40mm x 40mm x 5 mm thick with lifting hook and locking arrangement complete with necessary earth work, brick work in CM (1:6), 230 mm thick, PCC bed (1:4:8) type D2 150 mm thick, cement plastering, finishing 15 mm thick in CM (1:4) and applying a coat of black bituminous paint to the steel surfaces including demolation/ dismantling and removal of old unserviceble valve pit (Rate of demolation and removal of old unserviceble item is included in quoted rate) all as specified and directed at site.

Material and labour for one coat of Exterior emulsion weather coated paint of suitable colour on all external surfaces of RCC overhead reservoir capacity 1.0 lakh Gallons up to 21 mtr staging including preparation of old surface after scrapping complete all as specified and directed. Note :- All the safety tools, swings, scaffolding etc required for the work is to be arranged by the contractor and rate quoted shall deemed to include in the item complete all as specified and directed.

Material and labour for one coat of Exterior emulsion weather coated paint of suitable colour on all external surfaces of RCC overhead reservoir capacity 0.25 to 0.50 lakh Gallons up to 21 mtr staging including preparation of old surface after scrapping complete all as specified and directed. Note :- All the safety tools, swings, scaffolding etc required for the work is to be arranged by the contractor and rate quoted shall deemed to include in the item complete all as specified and directed.

Material and labour for painting of complete Pressed Steel tank of length 4.88 mtr, Breath 3.66 Mtr and hight 2.44 Mtrs (External & Internal surfaces) including staging with two coats of synthetic enamel paint on outer surface after preparation up to 18 mtrs staging complete all as specified and directed.

Supply only Calcium based white/off white free flowing granular disinfectant chlorination chemical having 65% to 70% chlorine decomposing at 177 degree centigrade, molecular weight 142.98, toxicity-oral rate LD 50.850 mg/kg in 45 Kgs packing complete all as specified and directed.

Supply only Poly Aluminium Chloride (PAC) inorganic soluble polymer raw water flocculants powder in 25 Kg bags conforming to the following specifications: - (a) Bulk Density/specific Gravity at 20 Degree Celcius: 0.75 + 0.10 (b) PH Value of aqueous solution (w/v): 3.5 – 5.0 (1%) (c) Chloride content (w/w): 31.0% + 2.0% (d) Sulphate content: 10 % (Max) (e) Basicity: 40.0 + 5.0 (f) Mercury & Lead: Not Desirable.

Supply only Non ferric alum Grade-I in 20 Kg pieces complete all as specified and directed.

S & F roof trusses (framed) and post , trussed , purlins , rails and fastenings and heavy bracket framing (beam , tee ,angle , channel or flat section) including distance pieces MS screw nut bolts heavy duty with applying two coat of synthetic enamel paint over a coat of redoxide and fastining arrangement/welding etc using FE-410 W ( Grade E-250 quality A ) including dismantaling complete all as specified and directed.

M & L GI/MS wire netting 2 mm dia 20 to 30 mm mesh lathing to wood or metal studding , joists , etc in wall ceiling stanchions , beam etc including all laps , cutting and waste complete all as specified and directed.

M&L for MS column pipe 100 mm nominal bore , heavy duty ,in 3 mtr length with MS flanges screwed and welded both ends flanges fabricated with 8 mm thick MS plate with 2 nos slots of suitable size cut on each sides for drawing of submersible cable complete all as specified and directed by Engr-In-Charge.

Material and Labour for repairing of leakage / cleaning of CI/DI main distribution pipe line by cutting or opening at any location , with the help of machine / manually to repairing the leakage or blockage of main pipe line and reconnecting the pipe after repair complete all as specified and directed by engr -in-Charge. Note :- Fitting and jointing material such as lead /flanged /rubber joint and excavation returning filling etc will be included in the quoted rate.

M&L for cleaning and painting of dosing storage tank (Soda tank , Alum tank and Chlorine tank) inside outside surface at each pump house with two coats of synthetic enamel paint over a coat of primer complete all as specified and directed by Engineer - In -charge

M&L for painting of Pump house gate including cutting ,welding as per site requirement with locking arrangement of suitable size as well as two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Taking down cement plaster on stone/brick/concrete surfaces including racking out joint, hacking for key, scrubbing down with water complete all as specified and as directed.

Demolition of brick work or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc. complete all as specified and directed by Engineer in charge.

M & L for brick work with fly ash bricks of class designation 7.5 as per IS 12894: 2002, straight or curved on plan exceeding 6 m mean radius built in cement mortar 1:6 complete all as specified and as directed.

M & L for rendering 15mm thick cement plaster in cm 1:4 on fair faces brick or concrete surfaces using Liquid water proofing compound of wall (WPC added only 5 mm thick plaster) including finished even and smooth without using extra cement complete all as specified and as directed.(WPC Shall be paid and meassured separately)

Supply only liquid water proofing compound.

Surface excavation not exceeding 30 cm deep and averaging 15 cm deep and getting out in soft/ loose soil complete all as specified and as directed.

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.

M & L for hardcore (broken stone or boulders) of gauge exceeding 63 mm but not exceeding 100 mm, deposited, spread and levelled in layers not exceeding 15 cm thick, watered and rammed to a true surface complete all as specified and as directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for

M & L for cement concrete in surface channels and drains in M7.5(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for cement concrete M15 (Nominal Mix) using 40 mm nominal size graded crushed stone aggregate in lintels upto 1.5 m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs, slab staging for water tanks, filling of pressed steel door frame, fixing of hold fasts and the like including weathering, slightly rounded or chamfered angles and throating including necessary formworks complete all as specified and directed by Engineer-in-charge.

Labour for cleaning of all type of vegetation and drain in Pump house/bore well area complete all as directed Note:- Chemical for vegetation and other tools as required for maintenance of plant and tools required for keeping surrounding area and installation in presentable shall be provided by contractor. Cleaning of pump house area will be carryout in each two month in entire period of contract.

M/S S K ENTERPRISES

D G Corporation

Anil Kumar Sarmah

DRISTEE ASSOCIATES

M/S Deep-Jeet

M/S Manjit Singh