Repairing and Servicing of 11 KV OCB Panel, 200 KVA Oil type Transformer and Main L. T. Panel at Kalyani SDO Campus.

Amount

Charge for inspection of 200 kVA transformer to identify and rectify various defects within it to perform satisfactorily as per direction of EIC.

Dismantling of HT & LT Cable end termination by skilled workmen using special type tools & tackles as per direction of EIC.

Dismantling the top cover of transformer after draining the damaged transformer oil & taken out the core by using special loader, Chain pulley with reqd. instrument as per direction of EIC.

Charge for servicing of transformer by hot jet wash after opening 4 sets of LT bushing and stud rods properly, cleaning the same by CTC oil & changing 4 Sets O-ring at radiator to stop leakage & changing top cover gasket as per direction of EIC.

S & Instn. of Bushing at HV & LV Side of Transformer in replacement of damaged one as per direction of EIC.

Supply of Special type Gasket and other accessories incl. all utilization of suitable adhesive etc. for transformer top etc. as per direction of EIC

S & Replacing Transformer oil seal as per direction of EIC.

Charge for cleaning sulphur from Bus bar at both LV & HV Side of Transformer after dismantling from transformer & reinstalling the same after servicing as per direction of EIC.

Reinstallation of transformer by inserting the core in oil tank with proper care, tightening of all joints, megger testing of winding etc. as per direction of EIC.

BDV Test of Transformer Oil before Filtration and Dehydration from reputed concern as per direction of EIC.

Silica Gel Replacement of Transformer Breather as per direction of EIC

S & F nut bolt (HSS) as per direction of EIC

S&F nut with double washer (Brass) as per direction of EIC

Earthing with 80 mm dia. GI pipe (TATA-Medium) x 3.0 mtrs. long & 1 no. 65x8 mm galvanized (Hot Dip) steel strip (4 mtr. long), 20mm dia.X125 mm long Galv. Bolt, double nuts, double washers incl. finishing both ends by making holes etc. and S&F 80 mm dia. GI pipe (ISI-M) protection (3 mtr. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mtrs. G-1/2(e)

Extra for providing masonry enclosure on the top of the earth electrode complete with cemented brick work duly plastered incl. CI hinged inspection cover with locking arrangement etc. G-2/3(a)

Extra for treatment of soil by using salt & charcoal or coke for plate electrode. G-2/3(b)

S & F earth bus bar of galvanized (Hot Dip) MS flat 65 mm x 8 mm on wall having clearance of 6 mm from wall incl. providing drilled holes on the bus bar complete with GI bolts, nuts, washers, spacing insulators etc. as reqd. G-2/4(d)

Supply & pouring New Transformer Oil confirming with IS Specification for the following as per direction of EIC

Filtration & dehydration of Transformer Oil of the following as per direction of EIC

Carrying charge of Transformer Oil, Filter Machine, Testing Equipment etc. UP & DN

Hiring Charge 5 KVA 50 Hz Diesel driven generator set with both ways transportation, installation & dismantling cost of DG set incl. Diesel, operator and connecting cable as reqd. as per direction of EIC

Charge for inspection of HT/OCB to identify and rectify various defects within it to perform satisfactorily as per direction of EIC

Cleaning of OCB oil tank after draining of damaged oil from OCB as per direction of EIC

Thoroughly servicing & overhauling of HT/OCB (Make: Bieco Laurie Ltd.) with removal of HT/OCB with self-contained tank & dismantling all the components of electrical & mechanical portion cleaning the dust of the BBC/HT bushing, spout, CT etc. washing the V Contact, finger contact, female contact by CTC Oil & apply petroleum jelly after the all necessary work then testing with 5KV HT Megger for IR Value as per direction of EIC.

Cleaning of VI Housing and OCB filtration as per direction of EIC

Tightening of LT terminals of CT, PT and control terminals as per direction of EIC

Charge for testing CT Ratio & Insulation test as per direction of EIC

Panel alignment incl. wiring checking & tightening as per direction of EIC

Charge for protection testing by primary injection test kit as per direction of EIC

Dismantling of the Potential Transformer after disconnecting & taken down the same from the Top Position of HT/OCB and opening part by part of all components at workshop as per direction of EIC

Charge for making arrangement of controlled heating for increasing of insulation resistance value of the PT (from 8MΩ to 800MΩ) with utmost care as per direction of EIC.

Repairing, Servicing & Overhauling of the Potential Transformer by take out the damaged Core and winding from tank incl. removing the core with proper care & opening of 3 sets Spout etc. and refilling the Oil per direction of EIC.

Charge for Rewinding & re-laminating of core in Potential Transformer as per direction of EIC

S & Replacing PT dust & vermin proof Rubber Guarder as per direction of EIC

S&F Digital Timer (Make : L&T / GIC) incl. S&F SS enclosure with S&F 1 no. 6A Plug Top as per direction of EIC

Supply & Delivery of Rubber Mat Size 6'x3'x1/4" ISI Quality suitable for 11 KV (Shredded Type) for Substation as per direction of EIC

JAYBEECO

S. A. ENTERPRISE

CHATTERJEE SUPPLY AND SERVICE