BAMG 30700 Study Guide - Final Guide: Critical Path Method

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18 May 2018

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Process Analytics Final Study Guide

• Developing the Schedule:

o Earliest Start Time (ES):

▪ the earliest start time of the immediately preceding activity

o Earliest Finish Time (EF):

▪ a activity’s earliest start tie ES) plus its estimated during (t)

• EF = ES + t

o Latest Start Time (LS):

▪ the latest finish time of the immediately preceding activity

o Latest Finish Time (LF):

▪ a activity’s attest start tie LS plus its estiated duratio t

• LF = LS + t

o Activity Slack:

▪ the maximum length of time that an activity can be delayed without

delaying the entire project

• S = LS – ES or S = LF – EF

▪ If slack = 0, then LS and ES are equal or LF and EF are equal

• indicates that on critical path

▪ Why is it important to have an estimate of slack?

• In case something goes wrong, need contingency

• May want to use contractors in this area

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