Tenders Are Invited For Repair And Maintenance Services – Repair Of A Damaged Traction Transformer Emru 1050 ... in Bulgaria

Work Detail

Repair And Maintenance Services – Repair Of A Damaged Traction Transformer Emru 10500/110. The Public Order Has The Subject: Repair Of A Damaged Traction Transformer Emru 10500/110 And Includes: 1. Repair Activities Performed At The Contractors Base - Carrying Out Full Diagnostics To Assess The Condition Of The Transformer; -Repair Of The Boiler Of The Traction Transformer; -Inspection And Repair, By Rewelding Welding Seams Of The Boiler; -External And Internal Cleaning Of The Cauldron, By Sandblasting And Subsequent Treatment Of The Cleaned Surfaces; - Applying A New Anti-Corrosion Coating; -Repair Of The Active Part, By Restoring The Insulation Parameters Of The Solid Insulation (Magnet Wire Paper) By Additional Varnishing Or By Another Technological Method. Drying Of The Active Part In A Vacuum Dryer Until Reaching The Necessary Technological Parameters; - Tightening Of Coils Before And After Drying The Active Part; -Transformer Resealing - Replacement Of Seals On Already Dismantled Parts; -Delivery, Processing To The Parameters For The Voltage Class Of The Transformer And Filling The Transformer With Fresh Transformer Oil - 14,000 Kg; -Inspection And Revision Of: Hv Terminals - Electrical Measurements, Visual Control, Drying Of Insulation; Lv Conclusions - Electrical Measurements, Visual Control, Insulation Drying; Signaling And Protective Equipment - Relays, Thermometers, Valves, Level Indicators; Stop Valve; Cooling System - Flushing Of The Cooling Bodies To Remove Mechanical Impurities As A Result Of The Event And Exposure To Atmospheric Conditions; Cooling System - Inspection Of Cooling Control Cabinet, Wiring And Fans; Step Regulator System - Motor Drive, Including Shafts And Gearboxes; Flushing Of Piping To Remove Mechanical Impurities As A Result Of The Event And Exposure To Atmospheric Conditions; Expansion Vessel - Cleaning To Remove Mechanical Impurities As A Result Of The Event And Exposure To Atmospheric Conditions. -Full Electrical Measurements Of The Transformer According To Bds En 60076 Or Equivalent; - Checking The Characteristics Of The Transformer Oil; - Transport From The Repair Base To The Contractors Site - Energy Department Sofia With Address: City Of Sofia, 5A Stefanson Street; -Company Of The Transformer To Operational Condition; -Electrical And Chemical Measurements Of The Transformer After Assembly. 2. Warranty Liability Of The Repair. Expected Results: Complete Restoration Of The Traction Transformer To Operational Condition. The Complete Description Of The Requirements Of The Contracting Authority Is Indicated In The Technical Specification, Appendix No. 1 Of The Public Procurement Documentation.

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