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Repair of Emergency Traction Transformer Emru Tender - 130969663

The NATIONAL RAILWAY INFRASTRUCTURE COMPANY has issued a Tender notice for the procurement of a Repair of Emergency Traction Transformer Emru 10500/110 in the Bulgaria. This Tender notice was published on 27 Nov 2025 and is scheduled to close on 15 Jan 2026, with an estimated Tender value of BGN 360000.00. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 130969663, while the tender notice number is 787206-2025 and Registering on the platform.

Expired Tender

Procurement Summary

Country: Bulgaria

Summary: Repair of Emergency Traction Transformer Emru 10500/110

Deadline: 15 Jan 2026

Posting Date: 27 Nov 2025

Other Information

Notice Type: Tender

TOT Ref.No.: 130969663

Document Ref. No.: 787206-2025

Competition: ICB

Financier: Self Financed

Purchaser Ownership: Public

Tender Value: BGN 360000.00

CPV Classification

50000000 - Repair and maintenance services

Purchaser's Detail

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Tender Details

The public order has the subject: "Repair of a damaged traction transformer EMRU 10500/110" and includes:
1. Repair activities carried out at the contractor's base:
- Carrying out full diagnostics to assess the condition of the transformer;
-Repair of the boiler of the traction transformer;
-Inspection and repair, via rewelding of boiler welds;
-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 (paper of the magnetic wire) 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 of 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:
Conclusions HV - electric measurements, visual control, drying of insulation;
LV terminals - 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...
Document Type: Contract Notice

Reference Number: 519033

Contract Type: services

Estimated Value: 360000.00 - BGN

Authority Type: body-pl

Doc Title: Repair of emergency traction transformer EMRU 10500/110

Dispatch Date: 2025-11-25

Publish Date: 2025-11-27

Submission Date: 2026-01-15

Documents

 Tender Notice


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