Once you have worked through the problems, please post your responses to the Drop Box. Please refer to the course syllabus for the due date.
PROBLEM 1
Use the network diagram below and the additional information provided to answer the corresponding questions. [15 points] a) The crash cost per day per activity. [10 points]
A= (800-300) / (7-3) = 500/4 = 125
B = (350-250) / (3-1) = 100/2 = 50
C = (900-400) / (6-4) = 500/2 = 250
D = (500-200) / (3-2) = 300/1 = 300
E = (550-300) / (2-1) = 250/1 = 250
b) Which activities should be crashed to meet a project deadline of 10 days at minimum cost? What is the cost impact of crashing these activities? [3 points]
Path Duration: A-B-E = 12 days
B is cheapest ($50) 12 –10 = 2 2X 50 = 100
B for 2 days at $100
c) Find the new budget (or cost of the project). [2 points]
New budget: 300 + 250 + 400 + 200 + 300 + 350 = $1800 PROBLEM 2
Use the network diagram below and the additional information provided to answer the corresponding questions. [13 points] a) The crash cost per day per activity. [10 points]
A = (800-300) / (5-3) = 500/2 = 250
B = (350-250) / (3-1) = 100/2 = 50
C = (900-400) / (6-4) = 500/2 = 250
D = (500-200) / (5-2) = 300/3 = 100
b) Which activities should be crashed to meet a project deadline of 13 days at minimum cost? What is the cost impact of crashing these activities? [3 points]
Path Duration: B-C-D = 14 days
B is cheapest ($50) 14 -13 = 1
1 x 50 = 50
B for 1 day at $5
PROBLEM 3 [8 points]
Month ACWP BCWS BCWP
22 $540 $523 $535
a) Calculate the CV (Cost Variance). [2 points]
b) Is the CV over or under budget? [2 points]
c) Calculate the SV (Schedule Variance). [2