thank you guys for your reply. I totally agree with you IFRs about what you said, this is why i preferred in my post to go with the center to center alignment and i will keep checking the distance from the column to the shell for each course before the final welding of the column.
Hi everyone. I'm a new joiner in this forum and I have a question. In our project we have a tank according to API650 with a floating roof and center column (it look weird I know). We erected the tank with Jacking method. And now we will start the IFR work. The first phase is the erection of this...