Rewinding and Repairing of 5 H.P. submersible motor of different make with repairing of submersible pump bowl assembly under Lalbagh(A-I) Sub-Division under Berhampore-II (A-I) Division under Non-Plan.

5 H.P. Submersible motor

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.

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 (1mm to 2mm nom. dia.) as per IS 8783, 1995, part 4 Sec 1 (FINOLEX/ INCABE make to be approved before use) as provided by the motor manufacturer including supplying 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 grip tape and vulcanised rubber tape by heating, changing thrust plate, ball retainer and ball including supplying fitting, fixing rings circlips for thrust plate, water seal ring, diaphragm, bush bearing etc. complete as per direction of E.I.C. (a) 3 H.P / 5 H.P 3 Phase 410-440 votls, 50 Hz 2 pole, 4 amps - 7 amps submersible Motor. (i)Supply of PVC insulated copper winding wire conforming IS 8783, 1995, part 4/ Sec 1 (1 mm nom. dia) Length of copper winding wire - max. 420 mts.

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.

Supplying, fitting and fixing diaphragm

Supplying, fitting and fixing 'O" rings (consisting of 4/8 nos.)

Supplying, fitting and fixing winding protector of both sides. (Top and Bottom)

Supplying, fitting and fixing bearing bush as per approval of the Engineer-in-charge (Four nos.)

Supplying, fitting and fixing drain plug with packing & washer.

Supplying, fitting and fixing of stud with clamp for top and bottom cover complete (consisting of 8 nos.)

Sypplying, fitting and fixing stud for upper/ lower flange.

Sypplying, fitting and fixing of water steel bolt.

Charge for joining water proof cable with soldering water proof insulation and proper joining compound including supplying the same and motor related materials complete (only cable will be supplied departmentally)

Repairing charge of damaged rotor including metal grinding machining etc. of the rotor shaft to match with original including supply in the regd. Materials complete. (Payment against this item will be made when this item will be made on the specific direction of the Engineer-in-charge)

Supplying fitting and fixing clutch on the thrust plate as per direction of Engineer-in-charge.

Supplying, Fitting and fixing thrust bearing segment with steel bolts on the thrust bearing housing ( set of six nos.)

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

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.

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

5 HP submersible pump

Dismantling submersible pump bowl assembly suitable for a capacity of150/ 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 cleaning the same thoroughly for verification of serviceable and unserviceable spares as per direction of the Engineer-in-Charge.

Supplying, fitting and fixing of bearing bush made of stainless steel as per required shape & size duly approved by the Engineer-in-Charge.

Supplying, fitting and fixing pump coupling as per requirement.

Supplying, fitting and fixing dynamic filter with circlip and rubber washer for lubricating pump bush as per dierction of the Engineer-in Charge.

Supplying, fitting and fixing the bowl bush made of phosphorus, bronze or in original suitable for particulars size pump with water fitting screws as per direction of the Engineer-in-Charge (four nos.).

Supplying, fitting and fixing the impeller seal ring made of phosphorous,bronze as per direction of the Engineer-in-Charge (four nos.).

Labour charges for re-assembling the submersible pump after completion of repairing work of spares etc. and 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 required as per direction of the Engineer-in-charge.

Installation of submersible electro motor pumping set of following capacities by using necessary requisite, tools and plants by lowering the same within the tubewell housing pipe upto the following 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 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.) (b) 30 cubic metre per hour capacity electro motor pumping set. (i) Length of pump assembly not exceeding 18 meter length.

Withdrawal of electro motor submersible pumping set of following capacities from within the tube well housing pipe of the following length by using all necessary requisites tools and plants and carefully as per direction of Engineer-in-Charge and stacking the same properly at site within the tube well premises complete. (b) 30 cubic metre per hour capacity electro motor pumping set. (i) Length of pump assembly not exceeding 18 meter length.

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

(a) Motor

(b) Pump

Add GST @ 18%

Add cess @1%

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