Determining Critical Path and Activity Slack (2 pts.) Assume we have a set of activities, their expected durations, and immediate predecessors. Construct an activity network; identify the critical...




Determining Critical Path and Activity Slack (2 pts.)


Assume we have a set of activities, their expected durations, and immediate predecessors.


Construct an activity network; identify the critical path and all activity slack times.


Activity


Duration


Predecessors


Free Slack


Total Slack


A


6


--


B


7


A


C


5


A


D


3


B


E


4


C


F


5


C


G


8


D, E


H


3


F, G


A) Critical Path (A - B - D - G - H)


Free Slack (C = 0d, E = 1d, F = 8d)


Total Slack (C = 1d, E = 1d, F = 8d)


B) Critical Path (A - B - D - G)


Free Slack (C = 0d, E = 1d, F = 8d, H = 0d)


Total Slack (C = 1d, E = 1d, F = 8d, H = 1d)


C) Critical Path (C - E - F)


Free Slack (C = 0d, E = 1d, F = 8d)


Total Slack (C = 1d, E = 1d, F = 8d)


D) Critical Path (A - B - C - D - G - H)


Free Slack (C = 0d, E = 1d, F = 6d)


Total Slack (C = 1d, E = 1d, F = 6d)




Dec 09, 2021
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