25/MID/AN

Reconditioning / Strengthening of the charging system, breaker engaging system and releasing system of M.E.I make, G.U.D type 800 amps. H.T oil circuit breakerunit no. 04installed in control panel atL.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.

Reconditioning / Strengthening of base assemblies of 800 amps. 6.6 kV, M.E.I make, G.U.D type, H.T oil circuit breaker by way of extraction of all damaged / worn out Top & Bottom finger contacts& fitting of new finger contacts at their respective places. Repairing 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 also replacement of oil from chamber. The job includes cost of material, labour charges, assembling charges of breaker, charges for installation, testing & commissioning at site. Complete Job.

Providing & fitting of new Moving contact assembly of copper silver coated of M.E.I make, G.U.D type 800 amps. H.T Breaker (as per the sample provided by the department). The job includes cost of material and labour charges for dismantling, reassembling. Complete Job.

Providing & fitting of new primary tulip contacts of copper silver coated of M.E.I make, G.U.D type 800 amps. H.T Breaker (as per the sample provided by the department). The job includes cost of material and labour charges for dismantling, reassembling. 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. 01at 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. 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 fixed finger copper contacts of breaker of one phase (top and bottom). Complete job includes extraction of damaged contacts and fitting of new silver coated fixed finger copper contacts of Vacuum Circuit Breaker . Complete Job.

Shifting of damaged breakers (VCB & OCB) from L.I.S Rajal up to workshop & then shifting of repaired breakers from workshop to L.I.S Rajal through mechanical transportation/ load carrier. It includes labour charges for loading / unloading of machinery (Rate for shifting may vary as per the distance of the workshop from the Lift Station Rajal.).Complete Job.

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NATIONAL ELECTRO-MECH COMPANY