Skip to Main Content
Skip to Navigation
Project Management Orientation

PDM Network Relationships

The activities in a PDM network diagram have one of three types of precedence relationships:

Click each button to read a description of that type of relationship.

Finish-to-start (FS)
Finish-to-finish (FF)
Start-to-start (SS)

Finish-to-Finish Relationships 

In an FF relationship, the predecessor activity must be completed at the same time as the successor activity is scheduled to finish.  You might need to know how to build FF relationships if your sponsor is operating on a just-in-time basis or if you have no warehousing capabilities.

FF relationships are important when two tasks must finish at the same time;
for example:

Finish-to-finish (FF)
1: Getting Started
2: Define the Project Team
3: Team Management
4: Identify and Validate Requirements
5: Create Decomposition Structures
6: Risk Management
7: Project Estimates
8: Project Schedules
9: Change Management
10: Project Control and Execution
Defining the Project
11: Project Management Review
12: Project Closeout
13: Project Management Tool Suite
14: Self-Assessment and Final Exam
Fast Points
Concepts
Seven Keys
Case Study
WWPMM
Mentor
Check Point
Previous button
Next button
Print button
Help button
Glossary button
Exit course button