*Case 1.A [#de224ffb] *Case 3.A [#de224ffb] **The causes of fatigue [#h861af71] > Welding defects were included at the time of fabrication. Stresses and deformations unforeseen in design occurred. **Approaches to repairing and retrofitting [#n80958c9] > Removal of crack. removal of crack > **LINK [#w3913dbb] -[[Section L-2C]] > Grind out and Hole saw -[[Gulf Outlet Br.]] > Crack removal