Tender for Dismantling, Transportation (to and fro), Re-Conditioning/Repair, Testing, Erection and commissioning of sick Power Transformer of rating 20 MVA, 66/11KV, EMCO make, Sl. No.HT-1711/12708, Year of Manufacture 2007 failed at 66/11kV Isro Layout Sub Station on total turnkey basis on percentage tender basis

The Bidder should have executed either manufacture or repair on total turnkey basis (involving designing, manufacturing and replacement of faulty windings of Power Transformer) of a same or higher voltage class in the past 05(five) years ending last day of the month previous to the one in which tender is invited for any of the Government / public sector power utility for any one of the following value of work which shall have rendered satisfactory service of at least 02 (two) years continuously

The repairer participating in the tender for repair of Power Transformers shall be approved vendor for supply of minimum 33kV Class and 5MVA capacity Transformers to Public Utilities with minimum 02 (Two) years of experience in manufacturing/repairing, testing and commissioning of 33kV Class 5 MVA or higher voltage class Transformers. The manufacturing unit/facility of the bidder shall be located within Karnataka state

The performance of the Transformer repaired / supplied by the Bidder in the past shall be a vital factor in determining the responsiveness of the tenderer. (In case, bidder is a Vendor for supply of minimum 33kV Class and 5 MVA capacity Transformers to Public Utilities with minimum 02 (Two) years of experience in manufacturing/repairing, testing and commissioning of 33kV Class 5 MVA or higher voltage class Transformers. The manufacturing unit/facility of the bidder shall be located within Karnataka state, then the clause stated above is not applicable.)

In case of substantial failure of the Transformers repaired / supplied by the Bidders in the past contracts, failure to adhere to the completion schedules or to meet the technical requirements and guarantees and, if the Transformer so repaired / supplied and installed were affected by persistent operational problems, damages, breakdowns etc., owing to design inadequacies, workmanship defects etc., the Bids shall be rejected

The Bidder shall have experience of minimum 05 (five) years in manufacturing / repairing, testing and commissioning of same or higher voltage class of Power Transformer herein tendered involving designing, manufacturing and replacement of faulty windings in case of Power Transformer which has been repaired for any of the Government / public sector power utility in India which should have been in satisfactory continuous operation for at least 02 (two) years prior to the date of opening of the tender.

The repairer participating in the tender for repair of Power Transformers shall be the approved vendor for supply of minimum 33kV Class and 5MVA capacity Transformers to Public Utilities with minimum 02 (Two) years of experience in manufacturing/repairing, testing and commissioning of 33kV Class 5 MVA or higher voltage class Transformers. The manufacturing unit/facility of the bidder shall be located within Karnataka state

The Bidder shall have technically qualified work force with domain knowledge relating to design of Power Transformer including quality control and shall have infrastructure, testing and erection facilities and capacity to execute the works.

The Bidder should have their own repair shop with all the facility such as Crane, Oven, winding machines, etc., required for carrying out necessary repairs on Power Transformers

The Bidder shall have necessary facilities at his own works for carrying out all routine tests mentioned in this specification including facility to carry out special tests namely Impulse Test and Temperature Rise Test on a repaired Power Transformer as prescribed in the latest IS:2026/1977or any relevant standard as applicable for testing of repaired Power Transformer. The testing facilities shall have testing and measuring instruments calibrated by National Accreditation Board for Testing and Calibration Laboratories (NABL). Valid calibration reports of Testing and measuring instruments shall be uploaded to the e-portal

The Bidder should have established own workshop to accommodate and repair EHV Transformers, and should maintain dust free environment for winding works and should have the essential equipment

The Bidder shall upload the proof of having possessed the above T&P equipment along with valid calibration certificate for testing / measuring equipment to the e-portal for verification

Bidders shall have adequate financial stability and status to meet financial obligation pursuant to the scope of this assignment and shall meet the following minimum criteria.Minimum Average Annual Turnover (MAAT) of the Bidder for best 03 (three) years out of last preceding 05 (five) financial years (on the date of tendering) ending on March shall not be less than 100% of the amount put to tender

Bidder has to upload and submit copies of PROFIT and LOSS ACCOUNT / BALANCE SHEET for last 05 (five) years along with latest Income tax clearance certificate. The Bidder shall furnish certified copy of the Annual Turn Over with balance sheet duly signed by the Chartered Accountant.

The firm should have sound financial capability. The solvency required will be 100% of the amount put to tender. The solvency certificate shall be from a nationalized or scheduled Bank and issued within a period 12 months from the final date of submission of tender

Proof of PAN and Tax Registration number shall be furnished and uploaded