Specifies the thickness for the current shell course. If the purpose of this job is to design the shell course thickness, then enter a good starting value (see API-650 5.6.1.1). If this cell is left blank for the first course, the software sets the thickness according to API-650 Table 5.6.1.1.
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If it is constant, the shell course height does not need to be specified for any course after the first course.
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If this cell is left blank, the software duplicates the shell course height to all required courses.