Most people who have this question want to know how much it might cost them to run a propane powered generator at their home. This is a very good question because there are some significant advantages to using these devices but there are also some disadvantages that you should probably know about.
This date is based on the task's start date, as well as on the late start and late finish dates of predecessor and successor tasks, and other constraints. How Calculated When you first create a task, its late start date is the same as the project finish date minus the task duration.
P6 calculates late start and late finish dates even on completed and started activities. Calculating late dates on completed activities is probably just a waste of computing power, however, when this is done on activities in progress this might affect float calculation. Below is a string of activities on the critical path with two of them linked with a start-to-start relationship.