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Project Management & Agile · Intermediate

Backward Pass

CPM calculation of late start and late finish dates moving from project end to start.

Definition

Late start = late finish - duration. When multiple successors diverge, the predecessor's late finish uses the smallest late start.

Example

If the successors' late starts are 10 and 12, the predecessor's LF is 10.

Exam tip

Backward pass takes the minimum at burst points.

Related terms