3. UPDATING OR REPRODUCTION OF DRAWINGS AND STATIC ANALYSIS
4. THE BASIS OF THE TOUGHNESS VERIFICATION
4.1 "Brittleness" and "Ductility"
4.2 Determination of Vital Elements
4.3 Assumption on Initial Cracks
5. PRACTICAL VERIFICATION PROCEDURE
6. VERIFICATION IN CASE OF STRENGTHENING
7. PROCEDURE IF MEASURED MATERIAL PROPERTIES ARE NOT AVAILABLE