Urgent Repair of 11/0.415 KV, 250KVA Oil Cooled Transformer installed at Raj Bhawan, Darjeeling in the district of Darjeeling.

Amount

Lifting of transformer by hydra at Siliguri Sub-Divisional Hospital including transportation to work shop at Siliguri for repair & testing. [Around 8km]

Charges for Core lifting and sludge removal by using heat chamber.

Charges for Reinstallation and fixing of Core.

Charges for Servicing and Over hauling of 250KVA, 11000/430V transformer: Replacement of existing top cover gasket, Silica Gel, Conical Washer for HV & LV Side, Brass Stud (205mm) for LV Side, Oil Seals and other componants etc. if required including Reinstallation with connection after properly repair/ maintainance as per direction by EIC.

Supplying and Filling New Transformer Oil after draining the existing oil including cleaning the tank. (Power Oil/ Electrol) as per direction of EIC.

Dehydration and filtration of insulating oil of existing 250KVA, 110.430 KV Distribution Transformer through stream line machine and vacuum pump for heating of oil and eliminate moisture contents with attached heating tank at site.

Charges for testing of transformer oil sample (BDV & Acidity Tests) including preparation of test report.

Charges for Painting: Application of red oxide metal primer outside the main tank after propoer scraping and cleaning complete with all accessories spray painting with application of double coat synthetic enamel paint. as per the direction of EIC.

Checking of 1 nos. 250 KVA 11000/430 V Oil type Transformers by testing with megger as per direction of E.I.C.

Charges for transportation of the repaired 250KVA Transformer assembly from Siliguri Work Shop to Raj Bhawan, Darjeeling.

Making testing arrangement and submitting the test report for high voltage testing of specified voltage incl. checking & testing of all HT / LT equipments by authorized firm of Directorate of Electricity & commissioning the installation after obtaining the Approval of Directorate of Electricity.

Charges for removal of old existing damage 50KVA Transformer assembly by lifting with chain pulley arrangement including loading.

Charges for transportation of the damaged 250KVA Transformer from Raj Bhawan to Siliguri District Hospital including unloading.

Making termination of the 3 core 185 sq.mm. HT cable incl.supply of necy. jointing materials & compound (Heat shrink cable jointing kit of approved make) at switch gear & transformer terminations on H.T. sides incl. testing as per G.S.

Charges for Lifting and Lowering of transformer by tripod arrangement at Raj Bhawan & Siliguri Sub-Divisional Hospital.

RAJESH ENTERPRISE

TANISHA ENTERPRISE