Hi, We are Designing & constructing Refinery in Abu Dhabi. As the shell course were erected in last year December now when we are placing platform / pipe stiffener, the vertical weld clearance of 150 mm as API-650 is not achieving.
Can anyone pls tell me the as how to rectify this.
PS :- Removing the stiffener or moving the shell is not possible now.
Also pls advice if any other standard can be followed.
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