You have 420 tons of below deck tonnage and 180 tons of above deck cargo on board. You must load 140 tons of liquid mud below deck. How much more deck cargo can you load? See illustration D036DG below.
ā¢ Using a stability loading diagram with below deck vs. above deck cargo axes ā¢ How to update below-deck tonnage when more cargo is added ā¢ Reading the maximum safe deck cargo from the safe-loading curve
ā¢ First, after loading the additional liquid mud, what is your new total below deck tonnage? ā¢ On the loading diagram, if you draw a vertical line up from that below-deck value, at about what deck-cargo value does it intersect the safe loading curve? ā¢ Once you know the maximum permitted deck cargo from the diagram, how do you find how much additional deck cargo you can load beyond the 180 tons already on deck?
ā¢ Be sure you include the new 140 tons of liquid mud in the below-deck total before going to the graph ā¢ Verify you are using the correct axis: horizontal for below deck, vertical for above deck cargo ā¢ Confirm you subtract the existing 180 tons on deck from the maximum allowed deck cargo to get the extra you may load
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