Information for Investors
The main aktivity of the company Vaclav Kaizr – Kovovyroba is the production and assembly of steel constructions and structures.
The company holds the following certificate:
- ČSN EN 1090-1+A1
We mainly use structural steels of quality S235 and S355 for the production of steel structures.
Execution of welding works:
- welders hold European tests according to ČSN EN ISO 9606-1
- welding methods 111 - Manual arc welding with a coated electrode and 135 - Arc welding with a melting electrode in active gas - MAG
- the company owns several WPQRs - Welding Procedure Qualification Record according to ISO 15614-1: 2004
- welds are performed according to WPS - Welding Procedure Specification
- welding engineer - welding supervision according to ČSN EN ISO 14731
- visual inspection of welds, level 2
- quality of welds in the highest grade B according to ČSN EN ISO 5817
More information can be found in the steel construction section.