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Handling delays without breaking the plan

How to absorb slippage while keeping logic intact.

Scenario

A supplier delay pushes “Component delivery” out by four days. The delivery task is on the critical path and feeds assembly and testing.

Step 1: Update the driving task

Update the delivery task duration or its SNET to reflect the confirmed date. Do not manually move downstream tasks.

Step 2: Inspect the ripple

Check which tasks moved and why.

Verify the critical path to ensure it matches the new reality.

Confirm whether any FNLT deadlines now violate.

Step 3: Decide on corrective action

  • Shorten an activity on the critical path
  • Parallelize work with an SS dependency
  • Introduce an explicit wait task if needed

Why this works

You update the true cause, let the engine recalculate, and then act intentionally. The schedule stays honest and explainable.