In the project considered here, activity crashing can take place over a wide range of reduction times. Activity Immediate Normal Time Cost per Day to Lower Time Limit Predecessor (days) crash (days) A None 3 P450,000 1 В None 4 300,000 2 C A 200,000 1 E 2 100,000 1 E А, В 2 500,000 1 С, D 4 600,000 3 a. Draw an AON network diagram for this project. What is the critical path? How long will the projec take if no crashing takes place? b. Determine the least-cost way to crash activities in order to complete the project in 11 days; in 10

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In the project considered here, activity crashing can take place over a wide range of reduction times.
Activity
Immediate
Normal Time
Cost per Day to
Lower Time Limit
Predecessor
(days)
crash
(days)
A
None
3
P450,000
1
B
None
4
300,000
C
A
200,000
D
E
2
100,000
1
E
А, В
500,000
F
С, D
4
600,000
3
a. Draw an AON network diagram for this project. What is the critical path? How long will the project
take if no crashing takes place?
b. Determine the least-cost way to crash activities in order to complete the project in 11 days; in 10
days; in 9 days; in 8 days. Draw your results on a time-cost trade-off matrix.
c. Suppose the due date for the project is five days, and a penalty of P500,000 per day is assessed
for each day late. What is the optimal number of days to crash the project? Why?
3.
Transcribed Image Text:In the project considered here, activity crashing can take place over a wide range of reduction times. Activity Immediate Normal Time Cost per Day to Lower Time Limit Predecessor (days) crash (days) A None 3 P450,000 1 B None 4 300,000 C A 200,000 D E 2 100,000 1 E А, В 500,000 F С, D 4 600,000 3 a. Draw an AON network diagram for this project. What is the critical path? How long will the project take if no crashing takes place? b. Determine the least-cost way to crash activities in order to complete the project in 11 days; in 10 days; in 9 days; in 8 days. Draw your results on a time-cost trade-off matrix. c. Suppose the due date for the project is five days, and a penalty of P500,000 per day is assessed for each day late. What is the optimal number of days to crash the project? Why? 3.
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