How do I compute the earlt start column on a gnattc hart. The first three columns are Activety, Predeccesors, and then duration - next Early start

Question

How do I compute the earlt start column on a gnattc hart.  The first three columns are Activety, Predeccesors, and then duration   - next Early start

Thanks

bobpursley · Answer

Isn't it just the sum of the sequential predecessors? Check here for GANTT terms. http://en.wikipedia.org/wiki/Gantt_chart