Let us revisit the project data from Question 7 of Homework #2, where all times are in days (and it is understood that the duration of activity A can be no less than 3 days, in which case it costs $150 instead of $50, and so on and so forth). Normal Normal Crashed Crashed Activity Predecessors Cost $150 Time Cost Time A $50 3 В 4 40 2 200 7 70 6. 160 20 1 A,C A,C 50 E 30 | F В 8 80 5 290 G 50 4 100 H E,F 60 3 180 The project has been sold at a fixed price to the client provided the project is completed on time, but in case of delays, there is a penalty of $100 for each day in excess of the normal completion time. Work on the project started on time, and the project manager scheduled a meeting with the supervisors in the morning of day 9 in order to monitor progress by the end of day 9 (time now). a) According to the normal project schedule, indicate what percentage of each activity should be completed by the end day 9. b) Suppose the progress reports indicate that activity A was completed on time but activity B will actually take 5 days longer than planned. Indicate what percentage of each activity will actually be completed by the end of day 9. c) Using the crash data, find the optimal way of rescheduling the remainder of the project. What is the revised expected project duration? And revised cost?
Let us revisit the project data from Question 7 of Homework #2, where all times are in days (and it is understood that the duration of activity A can be no less than 3 days, in which case it costs $150 instead of $50, and so on and so forth). Normal Normal Crashed Crashed Activity Predecessors Cost $150 Time Cost Time A $50 3 В 4 40 2 200 7 70 6. 160 20 1 A,C A,C 50 E 30 | F В 8 80 5 290 G 50 4 100 H E,F 60 3 180 The project has been sold at a fixed price to the client provided the project is completed on time, but in case of delays, there is a penalty of $100 for each day in excess of the normal completion time. Work on the project started on time, and the project manager scheduled a meeting with the supervisors in the morning of day 9 in order to monitor progress by the end of day 9 (time now). a) According to the normal project schedule, indicate what percentage of each activity should be completed by the end day 9. b) Suppose the progress reports indicate that activity A was completed on time but activity B will actually take 5 days longer than planned. Indicate what percentage of each activity will actually be completed by the end of day 9. c) Using the crash data, find the optimal way of rescheduling the remainder of the project. What is the revised expected project duration? And revised cost?
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Transcribed Image Text:Let us revisit the project data from Question 7 of Homework #2, where all times
are in days (and it is understood that the duration of activity A can be no less than
3 days, in which case it costs $150 instead of $50, and so on and so forth).
Normal
Normal
Crashed
Crashed
Activity
Predecessors
Time
Cost
Time
Cost
$50
40
$150
200
А
В
4
2
C
В
70
160
A,C
2
20
1
50
E
А, С
30
-
-
F
В
8
80
290
100
180
G
5
50
4
H
E,F
60
3
The project has been sold at a fixed price to the client provided the project is
completed on time, but in case of delays, there is a penalty of $100 for each day in
excess of the normal completion time. Work on the project started on time, and the
project manager scheduled a meeting with the supervisors in the morning of day 9
in order to monitor progress by the end of day 9 (time now).
a) According to the normal project schedule, indicate what percentage of each
activity should be completed by the end day 9.
b) Suppose the progress reports indicate that activity A was completed on time
but activity B will actually take 5 days longer than planned. Indicate what
percentage of each activity will actually be completed by the end of day 9.
c) Using the crash data, find the optimal way of rescheduling the remainder of
the project. What is the revised expected project duration? And revised cost?
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