Welding, construction and maintenance.

Welding, construction and maintenance works

Welding, construction and maintenance works of various difficulty and purpose

Welding coordination

Monitoring of welding and installation works

Welding, construction and maintenance works in following areas:

• Petroleum industry;
• Chemical industry;
• Pharmaceutical industry;
• Cellulose industry;
• Marine industry;
• PET;
• Gas pipelines;
• Nuclear Power;
• Heat Networks;
• Water supply;

Welding, construction and maintenance works of various difficulty and purpose:

• Installation, welding and maintenance of the technological pipeline;
• Construction and welding of structural metal constructions;
• Installation, welding and repair of the containers;
• Welding of aluminium and stainless steel elements;
• Disassembly of obsolete structures and equipment, or their replacement by new;
• Ship hull welding.

Welding coordination:

• Contract evaluation
• Assessment of technical requirements
• Design assessment
• Evaluation of the main materials and subsidiary consumables
• Production planning
• Equipment selection
• Inspection planning
• Organization of the welding process
• Inspection (testing)
• Assessment of the welded joints and dimensions
• Preparation of supplementary documentation
• Other tasks according to EN ISO 14731

Monitoring of welding and installation works:

• Eligibility of sub-contractor qualification;
• Effectiveness of sub-contractor quality system;
• Application of the normative documents;
• Appropriateness of basic and subsidiary materials;
• Storage of basic and subsidiary materials;
• Preparation and storage of the welding materials in the workplace;
• Welder qualification suitability;
• Introductory welder inspection;
• Appropriateness of welding procedures specifications (WPS);
• Protection of welding site against the weather conditions;
• Equipment appropriateness;
• Preparation of the welding elements;
• While-welding inspection;
• Heat input control;
• Visual testing (VT);
• The appropriate post weld heat treatment (PWHT);
• Protection against oxidation during PWHT;
• Non-destructive testing (NDT).