Critical Path Method

Question 1

Forward Pass

Answer 1

EF determined by adding the duration to the ES -1

ES of successor tasks = latest EF of predecessor tasks +1

Question 2

Backward Pass

Answer 2

LS determined by subtracting the duration from the LF +1

LF of predecessor tasks = earliest LS of successor tasks -1

Question 3

Float (Slack)

Answer 3

LF-EF

Question 4

Critical Path

Answer 4

the longest duration path through the network diagram. Any delays along the critical path will delay the project.