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.
Early finish date â adding duration to the early start date. Latest start date. Latest finish date â adding duration to latest start date. Slack time â difference between latest start date and early start date or between latest finish date and early finish date.
Full Answer. 1  Calculate the project's timeframe Use a calendar to determine when the project began and ended. Count how many work days the project ran, being careful to subtract holidays when employees were not working. For this example, assume the project ran for eight five-day weeks, for a total of 40 work days.