Task Dependencies
Dependencies control how one task's dates relate to another. Create links in Gantt or edit them in the task detail panel.
Link types
| Type | Meaning | Typical use |
|---|---|---|
| FS (Finish → Start) | Successor starts when predecessor finishes | Default handoff between trades |
| SS (Start → Start) | Both start together | Parallel work from the same milestone |
| FF (Finish → Finish) | Both finish together | Coordinated completion |
| SF (Start → Finish) | Successor finishes when predecessor starts | Rare; specialist sequencing |
Lag and lead
- Lag — delay after the dependency logic (e.g. +2d after predecessor finishes).
- Lead — overlap (negative lag, e.g. -1d to start before predecessor finishes).
Set lag/lead in task details when you select the dependency link.
Editing links
- Open the task in Gantt or list.
- Find Dependencies / predecessors in the detail sheet.
- Change type or lag, or delete the link.