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Opening reinforcing plate in tanks

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beercia

Mechanical
Joined
Jul 11, 2003
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36
Is it allowed by code to have the reinforcing plate of manhole opening overlap an horizontal shell course weld?

Carlos
 
I think the answer for API 650 tanks is:

Yes as long as the reinforcing pad intersects the horizontal weld at 90 degrees and extends past the horizontal weld by 6" if the shell plate is less than 1/2" thick and (the greater of 10" and 8T) if greater than 1/2" thick.
 
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