Lifting and Lowering of Vertical turbine,Submersible Pump Motor assembly of DTW,HDTW installation under Chakdaha(A-I) Sub-Division and Rewinding and repairing of Submersible Motor of different capacities and make with repairing of Submersible Pump Bo

A. SUBMERSIBLE MOTOR Dismantling of different H.P 2800/2900/3000 R.P.M.Submersible motors, removing old burnt out coil from slots carefully and segregating all the parts, washing and cleaning the same thoroughly for verification of serviceable and unserviceable parts as per direction of the Engineer-in-Charge. b) 17.5 H.P./ 19.25 H.P./ 20 H.P.Submersible motor

Rewinding of different H.P, 3 phase 410-440 volts, 50 Hz, 2/4 Poles submersible motor of different make with PVC insulated copper winding wire (1 mm to 2 mm nom dia.) as per IS: 8783-1995, Part 4,Sec-1 (Finolex/Incab make to be approved before use) as provided by the Motor manufacturer including supplying fitting and fixing fire proof fiber chips on slots for keeping winding wires in position, taped by using the water proof tape of 660 volts grade with main cable and fitted with water tight compound by using steel grip tape and vulcanized rubber tape by heating, changing thrust plate, ball retainer and ball including supplying fitting, fixing rings circlips for thrust plate, water seal ring diaphagram, bush bearing etc.complete as per direction of the E.I.C. b) 17.5H.P/19.25H.P/20 H.P, - 3 Phase 410-440 Volts, 50 Hz - 2 Pole,26 Amps-30 Amps. Submersible motor i) Supply of P.V.C. insulated copper winding wire conforming IS: 8783 - 1995, Part-4/ Section 1 length of copper winding wire Maxm 450 M) (c) 1.7 mm Nom dia for 20 H.P

ii) Labour charges for Re winding, water profing, fitting and fixing fire proof fibre chips on slots for keeping winding wires in position, taped by using water proof tape of 660 volts grade with main cable and fitted with water tight compound by using steel greep tape and vulcanised rubber tapeby heating as per direction of EIC.

Repairing of damaged motor shaft by metalling with electric welding and turning properly to house in the bearing space and coupling side teeth and also rectifying the dynamic balance of the rotor to its original allignment to avoid any viabration all complete as per direction of the E.I.C.

Supplying fitting &fixing the winding protector on both sides (Top & Bottom)

Supplying, fitting & fixing the bush bearing for motor in place of damaged as per approval and direction of the E.I.C. a) Top for Motor ( 20 HP & above)

b) Bottom for Motor ( 20 HP & above)

Supplying, fitting & fixing drain plug made from brass metal with gasket and washer (one for drain plug one for water filling plug & one for venting plug)

Supplying, fitting & fixing stud bolt with nuts for top and bottom cover.

Supplying, fitting & fixing stud bolt with nuts & washer for upper flange as per sample.

Supplying, fitting & fixing thurst bearing retainer as per sample.

Jointing waterproof cable with the leads of the motor including soldering with requisite water proof insulation and proper jointing compound/volcanished rubber tape so that proper waterproof insulation is assured.

Supplying, fitting & fixing S.S.Slip of rotor shaft including removing out of the old one as per direction of the E.I.C.

Supplying, fitting & fixing fero asbestos lining on the thrust plate as per direction of the E.I.C.

Supply fitting and fixing axial thrust plate of motor shaft including supplying of key etc. all complete as per direction of Engineer-in-charge. i) 12.5 H.P. to 20 H.P.

Supplying, fitting & fixing Pivot segment steel balls on the thrust bearing housing as per direction of the E.I.C. (6 Nos. in one set with rubber guarder/circlip etc). b). 17.5 H.P to 20 H.P.

Supplying fitting fixing of (thrust bearing segment) Pivot Segments (Set of 6) made from from Phosphorus bronze as per sample and as per direction of Engineer-in-charge. b) 17.5 H.P and above

Supplying fitting & fixing the self aligning thrust plate of the motor shaft including supplying of key etc. all complete as per direction of E.I.C.

Re-assembling the submersible motor after completion of rewinding and repainting and allied work with the repaired spare parts or new spares where necessary (to be supplied departmentally on requisition) including checking all accessories and supplying necessary screws nuts and fitting fixing the whole thing properly as per direction of the E.I.C.

Painting two coats to both inner & outer portion with best quality synthetic enamel paint (to be approved before use) including smoothening surface by sand paper for removing of old painting as per direction of the E.I.C. a) Motor

Labour charge for checking up the dynamic balance of the motor shaft for original allignment as per direction of Engineer-in- Charge.

Labour charge for carriage of motor from store to workshop and back to store after repair. This item is only applicable when written permission is available from E.I.C. where there is no facility for such work in the sub-division

Dismantling submersible pump/bowl assembly suitable for a capacity of 30/150/200 Cum per hour capacity against a total head of 15 mtrs. to 30 mtrs. of different make & segregating all spares fitted with the pump including washing & cleaning the same thoroughly for verification of serviceable and unserviceable spares as per direction of the E.I.C.

Repairing of stage bowl & other spares where necessary by welding turning & rethreading including supplying & fitting fixing new studs & nuts washer impeller key coupling key with lock nut complete as per direction of the E.I.C.

B. Submersible Pump Bowl Assembly Repairing impeller by remetallic gas/electric welding with gunmetal stick & turning,fitting fixing in proper position as per direction of the E.I.C.

Supplying, fitting & fixing stainless steel shaft as per sample & approval of the E.I.C.

Supplying, fitting & fixing G.M.sleeve to be fitted in the bowl bush/body bush suitable for specified R.P.M.

Supplying, fitting & fixing the body (Bowl) Bush (suitable for specified R.P.M of Pump Motor set) as per direction of the Engineer-in-charge.

Supplying, fitting & fixing stainless steel Pump coupling as per sample.

Supplying, fitting & fixing stainless steel sleeves with 2 Nos. S.S.Nut as per size and sample.

Supplying, fitting & fixing ceramic filter with circlip & rubber guarder (Original of a particular make of pump)

Supplying, fitting & fixing Impeller seal ring made of Phosphorus Bronze

Supplying, fitting and fixing sand guard made of Gun Metal as per direction of the Engineer-in-charge.

Painting two coats to both inner & outer portionof submersible pump with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering after removal of old painting as per direction of the E.I.C.

Labour charges for reassembling the submersible pump after completion of repairing spare etc. & allied works with repaired spares or new spares when necessary to be supplied departmentally which are not provided in schedule including screws, nuts, lubricating materials etc.as per required as per direction of the E.I.C.

Testing of repaired motor by contious 8 hrs running on load as per direction of E.I.C.

Charges for repairing continuity test, insulation test by Megger, no load test as per directioin of Er:!9_ineer-in-Charge

Transportation of Submersible Electro Motor Pumping set along with all other accessories and equipments including bend,sluice valve column pipes etc. from Sub-Divisional Store to worksite including loading at the lifting point and unloading at the delivery point including necessary head load upto 100 metre at both ends. Carriage by road. Distance upto 50 Km. 100/150/200 cubic metre per hour (m3/hr.) capacity electro motor pumping set with column pipes and accessories etc. (full sets)

Installation of submersible electric motor pumping set of following capacities by using necessary requisite tools & plants by lowering the same within the tubewell housing pipe up to the depth as per direction by fitting,fixing column pipes and other accessories,fixtures with necessary nuts, bolts and washers and suspending the entire assembly of pump set vertically by fixing the same supported by M.S.Clamps over the top of housing, binding the motor cable with each column pipes and drawing cable up to pump controller/starter point including opening out of the top cap of housing pipe of the tubewell if necessary and testing of motor both in unloading as well as in loading condition by continuous 8 hours running before and after installation of the same. (The rate is inclusive of hiring charges of tools & plants & other incidental charges). a) 100/150/200 Cubic mete per hours capacity electric pump set. i) Length of pump assembly not exceeding 18 metre length.

Withdrawal of electro motor submersible pumping set of following capacities from within the tubewell housing pipe of the following length by using all necessary requisites tools and plants and carefully as per direction of E-I-C and stacking the same properly at site within the tubewell premises complete. 100/150/200 cubic metre per hour capacity electro motor pumping set. Length of pump assembly not exceeding 18 metre length.

Extra for testing of Rewinding motors at running departmental sites:- Withdrawal of electro motor submersible pumping set of following capacities from within the tubewell housing pipe of the following length by using all necessary requisites tools and plants and carefully as per direction of E-I-C and stacking the same properly at site within the tubewell premises complete. 100/150/200 cubic metre per hour capacity electro motor pumping set. Length of pump assembly not exceeding 18 metre length.(This item payable only for running site)

Installation of submersible electric motor pumping set of following capacities by using necessary requisite tools & plants by lowering the same within the tubewell housing pipe up to the depth as per direction by fitting,fixing column pipes and other accessories,fixtures with necessary nuts, bolts and washers and suspending the entire assembly of pump set vertically by fixing the same supported by M.S.Clamps over the top of housing, binding the motor cable with each column pipes and drawing cable up to pump controller/starter point including opening out of the top cap of housing pipe of the tubewell if necessary and testing of motor both in unloading as well as in loading condition by continuous 8 hours running before and after installation of the same. (The rate is inclusive of hiring charges of tools & plants & other incidental charges). a) 100/150/200 Cubic mete per hours capacity electric pump set. i) Length of pump assembly not exceeding 18 metre length.(This item payable only for running site)

Add GST @ 18.00%

Add Cess @ 1.00%