Discussion:
1) Draw the Network showing the length of each path and performing forward and backward passes giving ES,EF,LS, & LF in the box for each activity
2) Your staff has found a way to reduce the time to do activity H to 4 months. What will the effect be on the critical path and Project Duration if H is reduced to 4 mos?
3) Given crash costs in the last column which activity should be crashed for 1 month 1st?
Use this format for the activities boxes
Activity
ES LS
Duration EF LF
Slack
|
Activity
|
Preceding
Activity
|
Duration months
|
Cost to Crash 1st Month
|
|
Start
|
|
0
|
|
|
D
|
Start
|
4
|
$1,000
|
|
A
|
Start
|
3
|
$1,200
|
|
F
|
D, A
|
7
|
$1,300
|
|
E
|
D
|
8
|
$1,400
|
|
G
|
F, E
|
5
|
$1,500
|
|
H
|
F
|
5
|
$1,600
|
|
B
|
G
|
7
|
$1,700
|
|
C
|
B
|
8
|
$1,800
|
|
End
|
C, H
|
0
|
|