Help with Project Management question ?

Problem 17-15 (Static)

A construction project has indirect costs totaling $40,000 per week. Major activities in the project and their expected times in weeks are shown in this precedence diagram.

Crashing costs for each activity are:

  CRASHING COSTS ($000)

Activity First

Week Second

Week Third

Week

1-2 $ 18 $ 22 $ —

2-5 24 25 25

5-7 30 30 35

7-11 15 20 —

11-13 30 33 36

1-3 12 24 26

3-8 — — —

8-11 40 40 40

3-9 3 10 12

9-12 2 7 10

12-13 26 — —

1-4 10 15 25

4-6 8 13 —

6-10 5 12 —

10-12 14 15 —

Click here for the Excel Data File

a. Determine the optimum time–cost crashing plan. Continue crashing as long as crashing totals total ≤ $40 each week.

b. Compute total crashing cost and total indirect costs. (Enter numbers in the same format as the crashing cost table, i.e., enter 25 instead of 25,000.)

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