Rework impacts the productivity of a project at least three times over. The logic is simple: First you spend time to do the task, and then you have to redo the task, wasting the time that you could have spent doing something else. In the end, rework has 300% negative impact on the productivity of that task. So, for example, if your rework is an average of 10% of the total work completed on the job, then its impact on the job is wasting 30% of the labor.
Perhaps the most ineffi