05 Critical Path Analysis

# 0 aa 14 14 2 14 14 17 317 3 activity freefloat

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Unformatted text preview: g activity ­ Duration of following activity When there are 2 simultaneous activities the LOWEST figure is used as the LFT © Business Studies Online: Slide 13 The Float An activity without spare time is CRITICAL Spare time is referred to as the FLOAT There are 2 types of float, each with its own formula: FREE FLOAT TOTAL FLOAT This is the amount of spare time available for an activity without delaying the NEXT ACTIVITY This is the amount of spare time available for an activity without delaying the WHOLE PROJECT Free Float = EST at End of activity – (EST at start + Duration of activity) Total Float = Activity’s LFT – (Activity’s EST + Activity’s Duration) © Business Studies Online: Slide 14 Calculating The Float The free and total float for our simple example would be: A 12 B 0 1 0 AA 14 14 2 14 14 17 3 17 3 Activity Free Float = EST at End of activity – (EST at start + Duration of activity) Total Float = Activity’s LFT – (Activity’s EST + Activity’s Duration) Duration (Weeks) EST LFT Free Float Total Float A 12 0 14 2 2 AA 14 0 14 0 0 B 3 14 17 0 0 © Business Studies Online: Slide 15 What Does This Mean? Activity Duration (Weeks) EST LFT Free Float Total Float A 12 0 14 2 2 AA 14 0 14 0 0 B 3 14 17 0 0 This data tells us: That Activity A can be delayed 2 weeks without delaying Activity B That Activity A can be delayed 2 weeks without delaying the whole project That Activity AA is CRITICAL – any delay will hold up the project That Activity B is CRITICAL – any delay will hold up the...
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## This document was uploaded on 01/22/2014.

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