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Forward pass is a technique to move forward through network diagram to determining project duration and finding the critical path or Free Float of the project. Whereas backward pass represents moving backward to the end result to calculate late start or to find if there is any slack in the activity.
- Abstract
- Introduction
- Terms and Abbreviations
- Activity-On-Node Diagrams
- Aon Calculation Method
- Conclusion
You've used a computer to generate a schedule, but have you ever wondered what the terms Early Start, Late Finish, Total Float, or Critical Pathreally mean? This paper offers a look at basic scheduling terminology by guiding the reader through basic schedule calculations. Example schedules are presented to show how durations and activity relationsh...
Schedules are used as management tools to communicate work sequence, dictate start/finish dates for activities, and to track progress on just about every type of project. In today's business world of complex projects, managers can get lost in the plethora of information provided by the project schedule. While important terms such as the Early Start...
Since the advent of computers, managers have generated schedules for their projects through computer scheduling software packages. Critical Path Method (CPM) schedules have evolved into valuable management and communication tools for today's complex projects. Activity-on-Node (AON) schedules show the Critical Path of the schedule, and thus are cons...
Each project, whether it is a simple assignment or a large complicated job, can be broken down into a list of individual work activities that need to be completed in a specific sequence. This sequence of activities, which is usually pre-planned by management prior to project commencement, will dictate the logical order in which activities start or ...
Once all activities are arranged in logical order and relationships are set, the logic diagram is ready for the calculation process. The format used to indicate values for each activity is shown in Exhibit 2. TT and FF indicate where to place float values. ES, EF, LS, LF and the Duration indicate where to place their respective values.
This paper presented the basic terms of scheduling and illustrated how their values are calculated using the Activity-on-Node (AON) method of CPM scheduling. Schedules are used as management tools to communicate work sequence, determine start/finish dates for activities, and to track progress on just about every type of project. With the increasing...
A forward pass in project management is a technique used to move through a project network diagram. The forward pass helps you understand the project duration and calculate the early start and early finish values (meaning, the earliest day each project task can begin and wrap up).
The critical path method formula has two parts; a forward pass and a backward pass. Forward Pass in CPM. Use the CPM diagram and the estimated duration of each activity to determine their earliest start (ES) and earliest finish (EF).
A backward pass in project management is a technique used to move through a project network diagram. The backward pass identifies your late start and late finish values, so that you can understand the project’s duration and eventually find the critical path. There is both a backward and forward pass in project management. So, if you’re not ...
Nov 7, 2008 · Forward pass is a technique to move forward through a diagram to calculate activity duration. Backward pass is its opposite. Early Start (ES) and Early Finish (EF) use the forward pass technique.
Sep 1, 2022 · In project management, a forward pass helps you move forward through a network diagram. This lets you determine the estimated project duration and find the critical path for your project. The critical path is the longest possible time from your start date to your finish date.
