*Case 1.A [#z304d651]
*Case 2.B [#z304d651]
**The causes of fatigue [#l82c3c43]
>
Welding defects were included at the time of fabrication. 
An inappropriate structural detail had been adopted. 
**Approaches to repairing and retrofitting [#t249e9d0]
>
Removal of crack.

re-weld. 
>
**LINK [#mdde203d]

-[[Section L-2C]]
>
Grind out and Hole saw

-[[Gulf Outlet Br.]]
>
Crack removal
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