Tower cranes - repair and modernization of structures

We offer professional services for the repair and modernization of tower cranes, backed by extensive experience and technical expertise. Our work involves replacing or repairing worn, deformed, or corroded structural components. The scope of work depends on the type of damage and the specific requirements of the client.

We hold authorizations for the repair and modernization of lifting devices issued by the Office of Technical Inspection (UDT) and the Transport Technical Inspection (TDT).

Our staff are highly qualified in performing welded connections. In all repairs and modernizations, we adhere to the quality requirements for welding processes as specified by PN-EN ISO 3834, confirmed by the appropriate certification.

We use professional, certified equipment for non-destructive testing of welded joints, necessary for assessing the degree of damage and determining the technology and scope of repairs.

We offer short lead times and competitive pricing.

Scope of tower crane repairs:

• Replacement of damaged truss structure components,
• Replacement of entire sections of truss elements – crane bases, booms, etc.,
• Welding of cracks in steel structures,
• Regeneration of pin connections,
• Production of crane base anchors,
• Replacement of ropes, hooks, and other components.

Scope of Repair/Modernization Services:

• On-site inventory to determine the scope of work and reusable elements,
• Design inventory for preparing repair/modernization documentation,
• Analysis of the current structural condition, identification of damage causes, and geometry measurements,
• Material testing to determine material grades used in the structure,
• Development of repair/modernization projects and agreement of changes with UDT,
• Preparation of repair/modernization technology,
• Cleaning of components,
• Execution of repair/modernization work,
• Painting of components,
• Testing the condition of the repaired component or structure,
• Assembly and commissioning of the device,
• Issuance of necessary certifications and participation in UDT acceptance.

Examples of reconstruction and repairs for tower cranes and specialized crane components:

Boom (60 m) of a specialized crane after failure	Restoration of boom structure, replacement of worn and corroded components
Liebherr 63K crane - boom before repair	Liebherr 63K crane - boom after repair
Liebherr HC120 crane - cross base before repair	Liebherr HC120 crane - cross base during repair
Potain MC 85B crane - trolley before repair	Potain MC 85B crane - trolley after repair