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The following represent activities in Marc Massoud’s Construction Company project.

a)Draw the network to represent this situation.

b)Which activities are on the critical path?

c)What is the length of the critical path?

Activity Immediate Predecessor(s) Time (weeks) Activity Immediate Predecessor(s) Time (weeks) A — 1 E B 2 B — 4 F C, E 7 C A 1 G D 2 D B 5 H F, G 3

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Answer:

BEFH  is the critical path of this project with total duration of 16 weeks

Explanation:

Activity     Predecessor     Time

A                -                          1

B                -                          4

C                A                         1

D                B                         5

E                 B                         2

F                 C,E                      7

G                 D                        2

H                F,G                      3              

First we draw the network diagram, as shown in the attachment, according to the predecessors of each activity.

Critical activties have zero float (i.e, difference in values of final and initial start or finish of activty)

Critical Path: BEFH

Length: As shown in figure the length of critical path is 16 weeks. In other words, it takes 16 weeks to complete the project.

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Answer:

Explanation:

The activities on the critical path are BEFH

The length of the critical path is 16 weeks

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