| Part of a series on vessels'
This is one method of starting a structural design it is not intended to represent the only method but may prove to be a good starting point.
At this point the designer can begin to draw the structure in on the profile and decks drawing. Once structure is on the drawing the designer can check to see if the girders will need to be cranked (over several frame spaces) to accomodate openings in the deck or hull form variations in the bow and stern. If possible it is best to space girders so as to equalize deck beam spans (effective lengths). Try to take advantage of longitudinal bulkheads where possible, and pillar so as to keep effective lengths of primary structure to a minimum.