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Tender №C02613 for the Overhaul of the Top Power Drive

Scope of work

-       Inspection of equipment subject to repair.

-       Check the axial play of the drive shaft before disassembling the gearbox.

-       Complete disassembly and fault detection, including disassembly and fault detection of the main electric motor.

-       Sandblasting of body parts.

-       Magnetic particle testing of all load-bearing elements, including the gearbox housing.

-       Non-destructive testing of the drive shaft, gears and gear wheel of the gearbox, gears and half-couplings of the main electric motor, load coupling, mud pipe assembly and S-shaped pipe.

-       Replacement of parts and components, including repair of the main electric motor.

-       Development of equipment data sheet.

-       Restoration of paint coating.

-       Assembly and adjustment of all equipment components.

-       Lubrication of all moving elements.

-       Final testing and functional testing after repair in the presence of the Company representatives and in accordance with the procedure of commissioning inspections of the manufacturer.

-       Preservation of parts for storage period without re-preservation for 2 years.

-       Fabrication of transportation frame to transport equipment in assembled condition (without high-torque pipe wrench).

-       Arrangement of transportation by sea/land transport to the place of repair and after repair, including loading and unloading operations, packing, cargo insurance during transportation and preparation of supporting documents.

-       Provision of warranty obligations for a period of at least 2 years from the date of commissioning of the repaired equipment.

Requirements to bidders

-       Confirmed experience in repair and maintenance of top power drive.

-       Availability of the necessary material and technical resources, including a pneumatic hydraulic station to allow pressure testing to a pressure of up to 1100 bar, as well as a stationary process stand for installing the top power drive in a vertical position for assembly and testing,

-       Capability to manufacture the required mechanical spare parts by own resources.

Expected date of the contract award 15 October, 2026
Expected contract period 13 months
Additional information
Final submission date 27.08.2026