Schedule Closeout
What "closed" means for a schedule
Schedule closeout confirms that every planned activity is finished or formally cancelled, all open ends and dangling logic are resolved, remaining durations are zero, and the deliverables have been accepted. It then captures the as-built schedule: actual start and finish dates, actual durations, actual resource usage, and the sequence as it truly occurred. Comparing as-built against baseline yields the final schedule performance report and the input for lessons learned.
Administrative and knowledge elements
Archive the schedule model, its baseline, all updates and revisions, supporting reports, and correspondence under the organization's retention and security rules. Release resources and close contracts tied to scheduling. Feed actual durations, productivity rates, and calendar realities into the organizational process assets so future estimates are more reliable. Confirm the transition to operations or the performing organization and document acceptance. Run a closeout or post-implementation review and record what worked, what did not, and why.
Traps
- Declaring closure when scope is delivered but punch-list or residual activities remain open.
- Archiving only the final schedule and losing the baseline and interim updates.
- Treating closeout as pure administration and skipping the as-built versus baseline comparison.
- Failing to update historical estimating data, so the same duration errors recur.
- Overlooking stakeholder sign-off on the final schedule report.
Rule of thumb
Before you close, be able to answer three questions from the archive alone: what was baselined, what actually happened, and why the difference existed. If any answer requires the scheduler's memory, the closeout is incomplete.