MID/AN/15

Repair/strengthening 0f 4 cusec discharge, 24 mtrs head HC pump unit No 3 coupled with 50 HP motor LIS Argi. The job involves decupling of pump from motor, removing from base, shifting by head load to road side, loading in mechanical transport and shifting to work shop and unloading there. Complete dismantling of the pump. Strengthening of impeller by welding, turning and finishing ,fabrication, Providing and fitting of CI sleeves to bearing houses for proper fitment of bearings. Fabrication of gland cup and 02 No. neck ring for proper fitment of impeller in the body, repair to bearing bracket, providing and fitting of 02 No. bearing and 2 Nos. bushes. Assembling of pump parts, shifting back to the site if LIS, fitting of pump body with pump by providing/ fitting of new body gaskets, studs, bolts and nuts, coupling with motor and testing. Complete job includes cost of material, labour charges, hire charges of tools and tackles required for the job and transportation charges etc. Complete job

Repair/ de silting of 200 mm foot ball unit No 2 at LIS Argi Baljaralan by way of decupling the foot ball by cutting /unfastening the nuts and bolts from suction pipe. Extraction of foot ball out of river with help of chain pulley block and manual labour. Dismantling of football after unfastening cutting the nuts and bolts. Cleaning of football by removing the mud and silt shifting the disc assembly to workshop& repair / strengthening by way of rebuilding/ re-metaling the disc hard proper alignment and balance to fit in the seat for no leakage of water. Assembling the foot ball P/F of new rubber packing sheet , nuts and bolts etc. Loading the football in the river & cupping with suction pipe by providing new rubber packing sheet nut bolts and washers. Checking for leakage. Priming the pump and testing/commissioning on full load. The job includes cost of material labour, transportation etc as per site condition of LIS Complete job

Complete rewinding of 50 HP 3 phase induction motor at LIS Argi Baljaralan of pumping unit no.1 by way of dismantling of motor from its installed position after disconnecting the power supply of all three phases. Dismantling the motor by unfastening the foundation nuts and bolts and also decoupling from the pump. Lifting the motor out of the pump house with proper care to prevent any damage. Shifting the motor with the help of manual labour from LIS to road side and through mechanical transport to the workshop. Complete dismantling of the motor, extraction of rotor broken bearing. Repair to rotor shaft by depositing material by welding& turning. P/F of 2Nos bearings (driving end and non driving end) as per sample. 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 and shifting back to L.I.S. Refitting the motor at its installed position and coupling with pump, making of electrical connections, alignment with pump, testing of motor on full load. Job includes the cost of material, hiring charges of tools & tackles, and labour charges for skilled and semi-skilled labour . Complete Job

N B Engineering and Electric Works

Rishabh Electricals and Mechanical Works