The project team is close to the detail and does not see everything. We offer a short independent review at a given point: before approval, mid-delivery or before launch, with a frank report to the sponsor.
Where the cause is not clear.
Such as funding approval or launch.
For an independent view.
Are they realistic.
And delivery quality.
What must change now.
Frank and brief.
In priority order.
And the board.
And its timing.
And interview the team.
And brief the sponsor.
If asked.