Dec 28, 2020 12:02 PM
Replying to Peter Rapin
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Fast tracking is essentially re-working the critical path. On the assumption that the initial critical path was optimal (which is the goal of developing a critical path) than any changes to the critical path has consequences. Cost and risk increases is the consequence of fast tracking.
The first statement in the question has no influence on the answer. A 1 CPI means that so far the project is costing less than anticipated. It is not a measure of future performance although it can be used as an indicator.