Updating

Update the estimate to

• Take feedback into account for any update
• Reflect any changes in project or technical assumptions
• Request acceptance of your estimating team's work

Then

• Keep current with evolving information
  • As the project progresses

• Incorporate any detailed short-term estimating work
  • If results are significantly different

• Incorporate any changes in scope or schedule
• Document a post mortem and lessons learned
• Convert actual results to a format that facilitates use of data in future estimating