Rewinding and Repairing of 20 H.P. A.C. 3 phase, 2800-2900 R.P.M., 50 Hz submersible motor of different make with repairing of submersible pump bowl assembly under Domkal (A-I) Sub-Division under Berhampore-I(A-I) Division under Non-Plan.

Dismantling of different H.P. 2800/2900/3000 RPM for submersible motor, removing old burnt out coil from the solts carefully, segregation all the parts, washing and cleaning the same throughly for verification of serviceable and unserviceable parts as per direction of E.I.C. 20 H.P Submersible Motor

Rewinding of 3 phase 410-440 volt 2800/2900 RPM 3 pole 50 cycle AC supply submersible motor of different make with PVC insulated copper winding-wire (Incable / Finolex make) as per I.S. 8783 ,1995(Part-4/Sec1 ) and as per size provided by the manufacturer of the motor on slots including supplying fitting and fixing fire proof fiber chips on slots for keeping winding wires in position, coil , joints souldered properly, taped by using the waterproof tape 660 volt grade(as per approved of the Engineer-in-Charge) with main cable and fitted with water tight compound by using steel grip tape and volcanised rubber tape by method of heating effect including supplying fitting, fixing rings, circlips for thrust plate water seal ring and complete reassembling the motor with repaired spares or new spares (to be supplied departmentally) as per direction of the (E.I.C). 20 H.P., 3phase, 410-440 volts, 50 Hz, 2 pole, 26 amps-30 amps submersible Motor. Supply of PVC insulated copper winding wire conforming IS 8783,1995,part 4/ sec 1. Length of copper winding wire Maximum-450.00Mtr 1.7 mm nom. Dia for 20 H.P

Labour Charges for rewinding , water proofing, fitting & fixing fire proof fibre chips on slots for keeping winding wires in position, taped by using water proof tape of 660 volt grade with main cable and fitted with water tight compound by using steel grip tape and vulcanized rubber tape by heating as per direction of E.I.C.

Repairing of damaged motor shaft by metaling 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 alignment to a void any vibration all complete as per direction of 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 E.I.C.

b) Bottom

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

Joining water proof cable with the leads of the motor including soldering with requisite water proof insulation & proper joining compound vulcanized rubber tape so that proper water proof 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 Engineer –in-Charge.

Supplying fitting and fixing axiat thrust plate of motor shaft including supplying of key etc. all complete as per direction of E.I.C.

Supplying, fitting & fixing pivot segment steel bolts on the thrust bearing housing as per direction of the E.I.C. (6 nos. in one set with rubber guarder/cir clip etc.)

(m) Supplying, fitting and fixing of (thrust bearing segment) Pivot segments (Set of 6) made from phosphorus bronze as per sample and as per direction of E.I.C.

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 repaid spares parts or new spares where necessary (to be supplied departmentally on requisition) including checking of all accessories and supplying necessary screws nuts and fitting fixing the whole thing properly as per direction the E.I.C.

Painting two coats of both inner & outer portion of Motor with best quality synthetic enamel paint of approved brand including smoothening surface by sand papering for removing old paint as per direction of E.I.C.

a) Motor

b) Pump

Labour charges for carriage of motor from store to workshop site ad back to store after repair. This item is only applicable when written permission available from EIC where there is no facility for such work in the sub-division

Dismantling submersible pump /Bowl assembly suitable for a capacity of 200 cum. Per hour capacity against a total head of 15 mtrs. To 30 mtrs, of different make and segregating all spares fitted with the pump including washing and clearing the same thoroughly for verification of serviceable and unserviceable spares as per direction of the Engineer-in-Charge.

Repairing of stage bowl and other spares when necessary by welding, turning and re-threading including supplying and fitting, fixing new studs, nuts, washers, impeller key, coupling key with lock nut complete as per direction of Engineer-in-Charge.

Supplying & fitting fixing stainless steel shaft as per sample and approval of the Engineer-In-Charge.

Supplying fitting & fixing G.M. sleeve to the fitted in bowl/body bush suitable for specified RPM

Supplying, fitting & fixing the body (Bowl) bush (suitable for specified RPM 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 phosphorous Bronze

Repairing impeller by remotallic gas/Electric welding with gunmetal stick & turning, fitting, fixing in proper position as per direction of Engineer –in-Charge.

Supplying, fitting & fixing dust cover or sand cover made of gunmetal as per direction of the Engineer –in-Charge

Labour charge for re-assembling the submersible pump after completion of repairing work of spares etc. and allied works with repaired spares when necessary to be supplied departmentally which are not provide in schedule including screws, nuts, lubricating materials etc. as required as per direction of the Engineer-in-Charge.

Installation of submersible electro motor pumping set of following capacities by using necessary requisite, tools & plants by lowering the same within the tube well housing pipe upto the following depth as per direction by the fitting, fixing column pipes and other accessories, fixtures with necessary nuts, bolts & washers and suspending the entire assembly of pump set vertically by fixing the same support by M.S. clamps over the top of housing pipe, binding the motor cable with each column pipes and drawing cable upto pump controller/starter point including opening out of the top cap of housing pipe of the tube well and testing of motor both in loading as well as in unloaded condition before and after installation of the same.(The rate is inclusive of hiring charges of tools & plants.) a) 100/150/200 cum per hour capacity electro motor pumping set. i) Length of pump assembly not exceeding 18 m length

Charges for repairing continuity test, insulation test by Megger, no load test as per directioin of Ergineer-in-Charge

Withdrawal of electro motor submersible pumping set of following capacity from within tube well assembly of the following length by using all necessary requisite tools & plants and carefully as per direction of E.I.Charge and stacking the same properly at site within the tube well premises complete. 100/150/200 cum pee hour capacity electro motor pump set. i) Length of pump assembly not exceeding 18 meter length.

Add GST charges @ 18%

Add cess @ 1%

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