Scheduling as Part of the Project Management Effort - Construction Project Scheduling and Control - page 289

(a)

(b)

6, 10

15, 22

B
4

D
7

0, 6

22, 25

A
6

F
3

6, 10

15, 22

0, 6 22, 25

15, 17

10, 15

E
2

C
5

20, 22

10, 15

(c)

Figure 10.5 (a) Real durations; (b) “fluffed” durations; (c) manipulated logic

but the contractor wants to show that the project takes 25 days instead of 20. The
contractor can “fluff” the durations, as shown in Figure 10.5b, or add an unnecessary
link to extend the critical path and thus extend the duration of the project, as shown
in Figure 10.5c.
The author strongly opposes the tactic used in Figure 10.5c. Phony logic should
never be allowed in a schedule. Fluffing the duration is a controversial subject and also