Hmmm yes i see.....
This would also reinforce the theory to NOT include the weight of the floating roof in the stability calc, as it is supported/sat on the floor away from the shell and hence would not contribute to resisting any uplift.
Thanks for your comments and thoughts.
Hello All,
I have an External floating roof tank design (Pontoon Type with single center deck) that i am looking to do overturning stability calcs for. Looking at API 650 11th Edition, Addendum 3: June2011.
Clause 5.11.2 states the tank must satisy both the uplift criterias....
0.6Mw + Mpi <...