Institute Of Physics Tender

Current Transformer Design, fabrication, testing at factory, supply, installation, testing & commissioning of outdoor mounting type oil immersed, single pole, Current transformer, of dual core, 25/5/5 ratio, 30VA, suitable for system voltage of 33KV, 3phase, 50Hz with HT bushings suitable to receive overhead, ACSR, Dog conductor. All the specifications should be as per technical details mentioned in Technical specifications of the Technical bid. Make: Crompton Greaves/ Automatic Electricals Ltd or Approved equivalent of the same The scope of the job involves the following: 1. Factory test report of all the new CT is to be provided to EIC IOP to check for suitability. 2. Making necessary holes/ fabrication work for the foundation fixing on the existing structure. 3. After necessary modification of the existing structure if required Aluminium paint is to be provided on the structure to make it as it was before the modification work. 4. If required suitable GI frame is to be fabricated for fixing of the CT on the existing structure. 5. If required the bidder is to hire the mobile crane for lifting and placing the CT on the two pole strcture. 6. All the hard wares like nut, bolts etc. is to be provided for proper fixing of the CT on the existing structure.

Removal of existing Polycrete CT from structure, The scope of the job involves the following: 1. The connections of two ploycrete CT and one no. of burnt polycrete CT base portion is to be removed. 2. Base foundation nut bolts has to be removed. 3. All the CT has to be removed from the foundation safely without any damage to the CT and to be taken to a suitable location as instructed by IOP EIC within a lead of 200 meters. 4. If required the mobile crane is to be hired for removal of CT for safe removal and to take to suitable location.

Testing of control relay circuit for proper function of the CT. Supply, Installation, Testing and Commissioning of Testing Terminal Block of CT to be replaced in existing CR Panel. After replacement of the terminal block and CT as mentioned in item no.1 the CR panel with CT & PT is to be checked for its proper functioning. Necessary requirements for testing like arrangement of current injector, relay testing kit etc. is to be made within the scope of this job. A detailed report in this regard is to be submitted to EIC IOP