A plumber has decided to use the techniques of project management to plan a job. He knew all the different activities of the job, their pre and their average durations. They are shown on the table below. Duration Preceding activities Activity (days) 3 A None В 4 None 4 A D 7 A E B and C

Practical Management Science
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Author:WINSTON, Wayne L.
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A plumber has decided to use the techniques of project management in order
to plan a job. He knew all the different activities of the job, their precedence
and their average durations. They are shown on the table below.
Activity
Duration
Preceding
(days)
3
activities
A
None
B
4
None
C
4
A
D
A
E
B and C
Required:
1. Draw a network diagram representing the sequence of activities and the
dependence between them.
2. Determine how long it will take to complete the job by conducting the
forward pass
3. By conducting the backward pass, identify the critical path and the non-
critical path(s).
Transcribed Image Text:A plumber has decided to use the techniques of project management in order to plan a job. He knew all the different activities of the job, their precedence and their average durations. They are shown on the table below. Activity Duration Preceding (days) 3 activities A None B 4 None C 4 A D A E B and C Required: 1. Draw a network diagram representing the sequence of activities and the dependence between them. 2. Determine how long it will take to complete the job by conducting the forward pass 3. By conducting the backward pass, identify the critical path and the non- critical path(s).
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