Repair to 50HP motors coupled with 6 cusec pumping unit I along with other allied works and repair to 250 KVA transformer at LIS Jandi Nud

Amount

Repair to 50 HP induction motor coupled with 6 cusec pumping unit –I of LIS Jandi Nud by way of disconnecting all electrical connection, coupling pulley with nuts and bolts and foundation bolts of the motors at LIS by using suitable tool and tackles for shifting of motor from pump house to road site. Then loading in mechanical transport and shifting the motor from LIS to workshop, Jammu for rewinding. Rewinding of 50HP motor of Unit no-I at workshop by way of extracting out the old burnt copper wire, then washing and cleaning splinces/ grooves of field & stater with petrol properly. Rewinding the motors with standard guage and quantity copper wire and then varnishing with good quality varnish and drying completely. Repair to rotar shaft for proper clearance of splinces/ridges to form better exciting output. Removal of damaged bearing on drive end and non drive end with the help of bearing puller, cleaning of bearing seats by cotton and then repair by welding and finishing to bearing size. P/F of 02 nos brgs 6213 & 6214 to the motor. The job also includes replacement of 1 No old and worn-out side cover and the connection plate of the motor with the new one by way of providing and fitting of new side cover and the connection plate of the required size. Assembling the motor completely and pre-testing the motor satisfactorily. Shifting back the motor to the road side of the LIS in the mechanical transport and with the help of manual labour to the pump room. Coupling of the motor –pump with the help of coupling pulley with nuts and bolts by using tools and tackles and manual labour. Fixing of foundation bolts of the motor to the base frame. Testing of the motor on full load. Complete job includes the cost of the material, labour charges (both skilled & unskilled), transportation charges (both Mechanical & Manual) of motor from site to workshop and back to the site etc. Complete Job

Repairs to 50 HP ATS( Starter) coupled with unit No- I by way of dismantling of starter by way of disconnecting, all the electrical connections of starters then draining of the oil from the starters tank at LIS Jandi Nud Then extracting out the damaged /burnt starters coils from the containers. Then loading in mechanical transport and shifting the same to work shop for repair. Repair to the starter (ATS) at workshop by way of extracting the damaged worn out parts. Rewinding of 2No ATS coils of unit-I with good quality copper wire. Then P/F of no voltage coil, over load relay, moving and fixed contact point. Repair to tripping system by brazing and finishing to required size. Replacement of worn-out thimbles nuts-bolts and internal leads duly soldered properly Re-assembling the same. Shifting the starters to the site by using mechanical transport and the manual labour. Topping up of ATS with transformer oil. Complete job including cost of material, transportation charges of the material and labour charges etc. Complete Job

Repairs to 250 KVA electrical transformer of LIS Jandi Nud at workshop by way of disconnecting electrical supply from both LT & HT side. Lifting of the transformer from its installed position with the help of crane by using necessary accessories and manual labour and placing the same in the mechanical transport and shifting the same to the workshop for repairs. Unloading the transformer at the workshop with the help of crane and placing the same at a suitable place. Extracting out the damaged HV coils & LV coils, LT bushes-02 Nos, HT bushes-02 Nos, damaged insulator rubber gasket, copper nuts & bolts. Providing and fitting of LT & HT bush rod sets, new insulator, rubber gasket, new copper nuts and bolts. Extracting the coils after draining the transformer oil from the sump and check the coils for repairs. Rewinding of HV coils- 07 Nos & LV coils- 3 Nos with the specified guage wire along with proper tapping and insulation. Providing and fitting of new rotor assembly after removing the old and damaged one. Heating the old transformer oil drained out for making it moisture free and then filling the same back into the transformer sump. Lowering of the coils inside the sump of the transformer. Providing and filling of 50 ltrs of transformer oil. Refitting of the top cover. Testing the continuity of each phase and securing all connections. After repairs loading the transformer in the mechanical transport with the help of crane and shifting the same to the LIS. Unloading the same at LIS with accessories and manual labour and placing the transformer at its installed position. Providing and fitting of 3 no HT insulators & 3 No LT insulator along with bracket in place of old and damaged ones. Providing and fitting of 4 mtr 150mm² cable used as a neutral wire. Providing of all electrical connections both on HT & LT side of the transformer. Testing the transformer on full load. Complete job includes the shifting charges of the transformer, hire charges of the crane, manual labour charges etc. Complete job includes the cost of the material, labour charges, transportation of the transformer & crane charges for loading and unloading of transformer to & from the installed position etc. Complete Job

Rebate on Old Parts

BEE AAR ENTERPRISES

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS

NATIONAL ELECTRO-MECH COMPANY