48/MID/AN

Repair to 4 cusec discharge 8mtr HC pump unit no. 01 installed at LIS Lehrian . The job involves decoupling of the pump from motor by unfastening the coupling nuts and bolts , removing the top cover, extraction of shaft and impeller assembly together with bearing brackets by using skilled technicians and shifting the same to workshop by using manual labour and mechanical transport . Dismantling of the impeller shaft assembly and separating shaft, impeller and bushes. Rebuilding of impeller by using good quality electrodes. Turning/machining of rebuild impeller on lathe machine for proper size. P/F of 1-no. sleeves and 2 nos. bearings as per sample.Re-assembling of impeller shaft assembly & shifting back to L.I.S. Greasing of all the parts. Fitment of impeller shaft assembly in the pump at proper position & closing the top cover by p/f of new nuts, bolts, washers and packing. Providing fitting of coupling as per sample. Job also includes providing / fitting of gland packing , greasing work etc. Thereafter coupling with motor, alignment setting, testing of pump on load. Complete job includes the cost of material, labour charges, to and fro carriage charges, hire charges of tools and tackles etc. Complete Job

Repairs to 06 cusec discharge 36m head horizontal centrifugal pump no . 02 installed at LIS Nazlachak. The job involves de-coupling of pump from the motor and removing top cover of the HC pump, extracting the internal impeller assembly together with bearing brackets and shifting the same to workshop by using mechanical transport. Complete dismantling of the impeller assembly in the workshop. Rebuilding of impeller by using good quality electrodes. Turning/machining of rebuild impeller on lathe machine for proper size . Repairs to shaft at damaged spots by applying new material so the shaft should be balanced then finishing to proper size. P/F of 2-No bushes & 2-No bearings (6309). Greasing of all the parts . Re-assembling of impeller shaft assembly & shifting back to L.I.S. Fitment of impeller shaft assembly in the pump at proper position & closing the top cover by p/f of new nuts, bolts, washers and packing. Providing / fitting of gland packing, greasing work . Thereafter coupling with motor, alignment setting, testing of pump on load. Complete job includes the cost of material, labour charges, to and fro carriage charges, hire charges of tools and tackles, out station charges etc. Complete Job

Repairs to 125HP 3 phase induction motor at LIS Nariana .The job involves dismantling the motor by unfastening the foundation nuts and bolts and also decoupling from the pump and disconnecting the electrical connections from the main supply. Shifting of the motor to workshop by mechanical transport . Then complete dismantling of the motor involves extraction of rotor from stator followed by cleaning of stator and rotor using compressed air, organic solvent, CCL4 etc. to remove the dust particles /silt etc. Extraction of burnt winding from the stator, cleaning of stator with petrol .P/F of new winding wire of suitable gauge & size in the stator, varnishing the stator winding with superior quality of varnish. Drying the stator winding with hot air circulation process.. Assembling of the motor . Shifting the motor back to LIS . Refitting the motor at its installed position and coupling with pump, making of electrical connections, alignment with pump , testing of motor on full load. Complete job includes the cost of material, labour charges, hiring charges of tools & tackles, transportation charges. Complete Job

Replacement of damaged copper cable ( 27 mtrs approx. ) at LIS Nariana. The job involves disconnecting the power supply and thereafter disconnecting of worn-out/damaged copper cable from the voltage stabilizer to panel by using skilled labour and suitable tool/tackles. The job includes replacement of aluminium cable from voltage stabilizer to panel ( 27 mtrs. approx) by providing/laying of new 50 mm2 or equivalent capacity copper cable ( 27 mtr. Approx. ) of any reputed make conforming to relevant ISO/ISI standards. The job also involves replacement of damaged/ burnt thimbles and providing and fitting of new thimbles of suitable size properly crimped and taped . Complete job includes the cost of cable and allied material, transportation charges, fitting and skilled labour charges at the site of LIS complete Complete Job

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