Project Management

the start or the finish of two activities. Figure 7-8 illustrates
these kinds of relationships: a Start-to-Start relationship (a) and
a Finish-to-Finish relationship (b).

Believe it or not, this is all you need to know to begin con-
structing your own network diagram.
You’ll start by examining your WBS, where you’ve identified
the activities to schedule, track, and control. The process is
quite simple. As you consider each individual activity, you begin
considering the interrelationships that exist between that activity
and others. For each activity, ask the following questions:

• What activities must be completed before this activity
  can start?


• What activities cannot start until this one is complete?


• What activities could be worked on at the same time as
  this one?

Preparing a Detailed Project Plan: Step by Step 125

Activity E

Activity C

Activity D

Figure 7-7. PDM parallel relationship

Activity F Activity H

Activity G Activity J

(a)

Start-to-Start

(b)

Finish-to-Finish

Figure 7-8. PDM parallel relationships

T

E

A

M

F

L

Y

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