*** Problem Set Key — Do Not Post or Distribute ***
Chapter 14: Managing Projects
Introduction to Operations & Supply Chain Management (Bozarth & Handfield, 3rd Edition)
DIRECTIONS To generatethe key, put in the same 4-digit number used in
printing out the original assignment.
Name: *** KEY ***
80
Problem 1 Consider the project network diagram shown below. Using this diagram and the activity
duration times listed below, calculate the ES, EF, LS, and LF times for all activities.
In addition, identify all critical activities. How long will the project take?
H
B
G K
Activity
Duration
(days)
Earliest
Start
(ES)
Earliest
Finish
(EF)
Latest
Start
(LS)
Latest
Finish
(LF)
Critical
Activity?
A 4 0 4 0 4 Yes
B11 415 415 Yes
The project will take
38 days
1