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  1. ship03

    Overturning Stability - Floating Roof Tanks

    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.
  2. ship03

    Overturning Stability - Floating Roof Tanks

    Thanks jStephen, Any thoughts on why the code does not include the weight of the floor for the overturning?
  3. ship03

    Overturning Stability - Floating Roof Tanks

    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 <...

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