*Case 1.A [#keffa129] *Case 2.A [#keffa129] **The causes of fatigue [#rc7c6696] > Welding defects were included at the time of fabrication. An inappropriate structural detail had been adopted. **Approaches to repairing and retrofitting [#vec1af7b] > Removal of crack. removal of crack. > **LINK [#mb9a204b] -[[Section L-2C]] > Grind out and Hole saw -[[Gulf Outlet Br.]] > Crack removal