Reserved for complex, high-risk structures (e.g., high-rise buildings or major bridges) that require the most stringent quality controls and documentation. Other Notable Components
The "default" class for most standard engineering projects, such as residential or commercial buildings. Execution Class 3: srps en 13670
: The Serbian version was officially published in its latest form in September 2024 Institute for Standardization of Serbia (ISS) Reserved for complex, high-risk structures (e