Estimating the duration for each activity Establishing the estimated start time and required completion time for the overall project Calculating the earliest times at which each activity can start and finish, based on the project’s estimated start time Calculating the latest times by which each activity must start and finish in order to complete the project by its required completion time Determining the amount of positive or negative slack between the time each activity can start or finish and the time it must start or finish Identifying the critical (longest) path of activities