69/MID/AN

Reconditioning, Strengthening of base assemblies of 800 amps. 6.6 kV M.E.I make, GUD type, H.T Oil Circuit Breaker No. 03 at site by way of extraction of all damaged / worn out Top and Bottom finger contacts and fitting of new finger contact at their respective places. Repairing/reconditioning of 03 No. rupturing chambers by way of filling superior quality epoxy compound at worn-out portion turning finishing to attain proper size of hole of rupturing chamber along with straightening, alignment along with silver coating of 02 No. moving contact assembly, with soldering, refilling at worn-out portions and machining to attain proper size. Also providing silver coating on the contact plates. The job includes cost of material, labour charges, hire charges up to workshop and then from workshop to back after repairing, loading/unloading charges, installation, testing and commissioning at site. Complete Job.

Reconditioning, Strengthening of the charging system, breaker engaging system and releasing system of M.E.I make, GUD type 800 amps. H.T Oil Circuit Breakers No. 03 installed at L.I.S. Rajal by way of replacement/rebuilding of worn out parts, links of mechanism assembly, ball and socket assembly, worn out bushes with setting up of proper tension of closing and releasing springs and oiling of bushes and bearings, applying Vaseline on contact points for smooth functioning of tripping and releasing system including cost of material and labour charges. Complete Job.

Repair / Strengthening of the charging system (manual and motor operated), breaker engaging system and releasing system of the 800 amp. 6.6 kV Vacuum Circuit Breaker unit no. 01 at L.I.S Rajal by way of replacement of the charging system, gear box assembly, cradle tension springs 02 Nos. , closing coil 01 No., tripping coil 01 No. Job also involves replacement of all three copper shunt coils, replacement of trolley wheels for smooth movement of trolley during the time of installation. Providing and fitting of new fixed figure copper contacts of the 800 amp. 6.6 kV Vacuum Circuit Breaker unit no. 01 at L.I.S Rajal (top and bottom) by way of extraction of damaged contacts and fitting of new fixed figure copper contacts of Vacuum Circuit Breaker. Providing and fitting of new shunt coils (06 Nos). The job includes cost of material and labour charges for dismantling, reassembling and servicing, including installation, testing at site. Complete Job.

Providing and fitting of new Current Transformers of Ratio 40/5 Amprs. of New design of all three phases of any reputed make along with replacement of all fixed figure copper contacts of the 800 amp. 6.6 kV H.T control Panel of pumping unit no 04 at L.I.S Rajal by way of extraction of damaged Current Transformers , contacts and fitting of new Current Transformers, fixed figure copper contacts (as per new design) Providing and fitting of new shunt coils (06 Nos). The job includes cost of material and labour charges for dismantling, reassembling Complete Job.

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