In reference to the attached image: Determine the best way to crash the project to complete it in 35 weeks with revised activity slack times, critical path(s), and total project costs. Provide reasoning as to how all crashing decisions were made.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
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In reference to the attached image:

Determine the best way to crash the project to complete it in 35 weeks with revised activity slack times, critical path(s), and total project costs. Provide reasoning as to how all crashing decisions were made.

Exhibit 19.20
Alternative Water Supply (AWS)
Activity Description
Immediate Regular Time
Crash Time
Normal Cost
ID
Predecess (weeks)
(weeks)
Estimate
or(s)
$ 30,000
$ 52,000
$ 59,000
$ 48,000
Conceptual design
Preliminary design
A
4
3
B
A
12
10
Final design
Environmental permit application
B
19
16
D
8
5
preparation
Environmental permit review and
approval
Building permit application
E
D
4
$ 38,000
F
E
2
1
$ 35,000
preparation
G
Building permit review and
F
4
4
$ 6,000
approval
Property acquisition
Bid project
Construction start (dummy activity
$ 90,000
$ 6,000
$ 0
H
B
20
18
C, H
4
4
G,I
4.
Transcribed Image Text:Exhibit 19.20 Alternative Water Supply (AWS) Activity Description Immediate Regular Time Crash Time Normal Cost ID Predecess (weeks) (weeks) Estimate or(s) $ 30,000 $ 52,000 $ 59,000 $ 48,000 Conceptual design Preliminary design A 4 3 B A 12 10 Final design Environmental permit application B 19 16 D 8 5 preparation Environmental permit review and approval Building permit application E D 4 $ 38,000 F E 2 1 $ 35,000 preparation G Building permit review and F 4 4 $ 6,000 approval Property acquisition Bid project Construction start (dummy activity $ 90,000 $ 6,000 $ 0 H B 20 18 C, H 4 4 G,I 4.
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