Labor demand chart

Updating the schedule to account for actual process information 

Many plant schedulers use spreadsheets to aid with these tasks, but spreadsheets can be difficult to update and maintain, and they cannot comprehensively account for complex dependencies. Recipe-based scheduling tools greatly reduce the effort required for managing plants on a day-to-day basis. 

Let s assume that the polymerization reaction in batch BB-1-3 (the third batch of the first BB campaign that utihzes R-1) took 4 h longer than plaimed. As a result, the end of batch BB-1-3 in reactor R-1 has a conflict with the scheduled staxt time of batch AA-2-2 that was scheduled to utilize the same reactor. This conflict is displayed in Figme 15.18 with a new line on the equipment occupancy chart directly below line R-1 (this new hne is labeled with an exclamation point and the conflicting procedure associated with batch AA-2-2 is outhned in red). Furthermore, the delay in the polymerization operation in batch BB-1-3 has delayed subsequent operations 

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