We offer the supervision of:

• Construction of all types of steel structures
• Construction of gas pipelines
• Welding works on energy production facilities
• PEHD Application for waste processinh facilities or other types of pools

When supervising the construction of steel structures, we check the quality of welds, the quality of installed base and additive materials, the quality of anti-corrosion protection, the adequacy and validity of welders' certificates and welding procedures, and above all, the coordination of the implementation with the submitted project.

When supervising the construction of gas pipelines, according to the wishes of the client, we can exclusively undertake welding supervision, where all the contractor's welding documentation, the quality of the installed materials, a visual, ultrasonic and radiographic inspection of the welds and the implementation of the prescribed welding technology are checked.

IZV also supervises welding works at energy facilities, namely, it participated in the construction of the Krško NPP, the construction of HPP Plava, Doblar... and in the supervision of the production of heat accumulators at TE-TO Ljubljana.

When supervising the laying of PEHD on the mentioned types of buildings, we inspect all welds visually, ultrasonically, with pressure tests and with mechanical examinations of the samples taken. We also review the necessary welding documentation.