MID/AN/47

Repair of 3 cusec discharge 17mtr head HC pump unit no.2 and 03 installed at LIS Dhakkar. The job involves decoupling the pumps from motors and further dismantling the pumps top cover from its installed position & shifting of the pumps shaft assembly by manual / mechanical means to workshop. Separating shaft, impeller and bushes. Providing/fitting of bearings at driving and non-driving end . Providing/fitting of bushes (4nos.) as per sample. Making necessary repairs to bearing housing. Assembling of the pump parts. Carriage / transportation of the pump assembly back from workshop to the site of LIS. Fitment of pump along with replacement of old damaged studs, gaskets, alignment setting at its position, p/f of gland packing, greasing work etc. Aligning & coupling the pump & motor. Complete testing of the pumping unit. Job includes cost of all material, transportation charges, head load and labour charges for skilled/semiskilled labour, hire charges for tools & tackles. Complete Job

Repair to 5 HP mono-block priming pump connected with MS suction and delivery pipes installed at LIS Dhakkar. 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 and removing the bearings of both ends 6205 & 6206 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 in stator, bearing of suitable size, varnishing the stator winding with superior quality of varnish. Drying the stator winding with hot air circulation process. Assembling of the motor/pump. The Job also involve replacement of 1.5 inch 3 no. damaged ball valves, nipple as per the sample at sight by way of plumbing. Refitting the motor at its installed position and coupling with MS suction and delivery pipes making of electrical connections, job also testing of motor on full load. Complete job includes the cost of material, labour charges, hiring charges of tools & tackles, transportation charges. Complete Job

Repairs to 200 mm dia foot valve assembly of pumping unit no. 2 installed at LIS Dhakkar. The job involves disconnecting / dismantling of the foot valve assembly from the suction pipe by deploying manual labour and allied tools & tackles. Shifting / transporting to the workshop. Cleaning by washing with water to make the foot valves completely silt free. After drying them completely, carrying out necessary repair works on the valve surfaces and flanged joints by welding using good quality electrodes. Dismantling of damaged / worn-out foot valve mechanism with flap & rings etc. Complete repair to the damaged flap plate and strainer by way welding. Providing / fitting of new rubber washer cut as per size of the flap plate. Reassembling the foot valve and transporting back to the installation site at LIS. Fitting the valves to the respective suction lines with replacement of damaged rubber gaskets of flanged joints and worn-out nuts, bolts etc. Complete job including cost of material, labour charges, transportation charges and hire charges for tools & tackles. Complete Job

Repair of 3 cusec discharge 24mtr head HC pump unit no.1 installed at LIS Bhanara. The job involves decoupling the pump from motor and further dismantling the pump top cover from its installed position & shifting of the pump shaft assembly by manual / mechanical means to workshop. Separating shaft, impeller and bushes. Providing/fitting of bearings at driving and non-driving end . Providing/fitting of bushes (2nos.) as per sample. Making necessary repairs to bearing housing. Assembling of the pump parts. Carriage / transportation of the pump assembly back from workshop to the site of LIS. Fitment of pump along with replacement of old damaged studs, gaskets, alignment setting at its position, p/f of gland packing, greasing work etc. Aligning & coupling the pump & motor. Complete testing of the pumping unit. Job includes cost of all material, transportation charges, head load and labour charges for skilled/semiskilled labour, hire charges for tools & tackles. Complete Job

Repairs to 40 HP oil immersed starter no. of pumping unit 1 installed at LIS Bhanara. The job involves disconnecting the starter and shifting to workshop by mechanical transport. Thereafter dismantling of starter at workshop and replacement of worn out G.M nuts and washers, copper fingers, contacts, (moving and fixed) as per sample. Shifting the starter to LIS. Replacement of worn out/burnt copper thimbles of cables by p/f of new thimbles duly crimped and taped. Topping of 7 litrs. T.oil Connecting power supply & testing on load. Complete job includes the cost of material, labour charges and other misc. charges at site. Complete Job

Repairs to 200 mm dia foot valve assembly of pumping unit no. 2 installed at LIS Bhanara. The job involves disconnecting / dismantling of the foot valve assembly from the suction pipe by deploying manual labour and allied tools & tackles. Shifting / transporting to the workshop. Cleaning by washing with water to make the foot valves completely silt free. After drying them completely, carrying out necessary repair works on the valve surfaces and flanged joints by welding using good quality electrodes. Dismantling of damaged / worn-out foot valve mechanism with flap & rings etc. Complete repair to the damaged flap plate and strainer by way welding. Providing / fitting of new rubber washer cut as per size of the flap plate. Reassembling the foot valve and transporting back to the installation site at LIS. Fitting the valves to the respective suction lines with replacement of damaged rubber gaskets of flanged joints and worn-out nuts, bolts etc. Complete job including cost of material, labour charges, transportation charges and hire charges for tools & tackles. Complete Job

M/S HITAISHI ELECTRICALS AND MECHANICAL WORKS

N B Engineering and Electric Works