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Determining completion time of a project with activities included

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See the attached file.

Activity Preceding Activities Normal Time (weeks) Crash Time (weeks) Expediting (Crashing) cost per week ($)
A - 9 8 3,000
B A 19 15 1,800
C A 15 14 2,000
D B,C 5 5 -
E C 10 6 4,000
F D,E 2 1 1,000

Question 1.
A restaurant chain is building a new restaurant. The following are activities that need to be completed before the restaurant is opened.

What is the completion time for the project?
Project Completion Time = ## weeks

How many weeks should the project completion time be reduced?
Project Reduction = ## weeks

What is the project duration if all activities are crashed to their minimum?
Project Duration = ## weeks

Refer to pages 197-201 for guidance - Those are attached.

Question 2.
(Refer to the project shown in Figure 5-10 (see page 156). The facility used by activities "c" and "d" is scarce. Given the following priority rules, which activity ("c" or "d") would you assign the facility first?)
Refer to pages 217-218 for guidance - Attached
Files attached.

Given the following priority rules, which activity ("c" or "d") would you assign the facility first?

Minimum slack first: Activity c - or - d
Most followers (successors) : Activity c - or - d
Most critical followers: Activity c - or - d
Shortest task duration first: Activity c - or - d
As late as possible: Activity c - or - d.

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The solution determines the completion time of a project with activities included.

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Chidi Ngene, M. Sc.
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  • B. Sc., University of Nigeria
  • M. Sc., London South Bank University
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