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hw_10b_scheduling_key - Homework 10B Project Scheduling The...

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1 Homework 10B Project Scheduling The figures below show the model for P1-P5 of homework 10B.
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2 P1 Find the critical path without regard for resource conflicts. What is the earliest time the project can be completed? Fill in the tables below showing the early start schedule. Mark critical activities with an X. Since variable activities do not have fixed times they do not has slack values and they are not critical. (Note that the schedules for the Variable Activities were not required.) What is the earliest time the project can be completed? 54 Time Name Time Slack Critical A 30 7 B 15 22 C 25 6 X D 3 7 E 7 6 X F 1 22 G 5 14 H 2 7 I 4 6 X J 10 6 X K 8 6 X Super Variable --- --- Sic Variable --- --- Early Start Schedule Name Start Finish A 0 30 B 0 15 C 0 25 D 30 33 E 25 32 F 15 16 G 33 38 H 33 35 I 32 36 J 36 46 K 46 54 Super 0 54 Science 33 54
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3 P2 Change the delays for the activities until all slack times are zero. The result is the Late Start Schedule . When will the project be completed? Fill in the tables below. Mark critical activities with an X. (The original problem asked for delay rather than delay. If slack is provided, the values should be all 0.) When will the project be completed? 60 Time Name Time Delay Critical A 30 7 X B 15 22 X C 25 6 X D 3 0 X E 7 0 X F 1 0 X G 5 7 X H 2 0 X I 4 0 X J 10 0 X K 8 0 X Super Variable --- --- Science Variable --- --- Late Start Schedule Name Start Finish A 7 37 B 22 37 C 6 31 D 37 40 E 31 38 F 37 38 G 47 52 H 40 42 I 38 42 J 42 52 K 52 60 Super 0 or 6 60 Science 40 60
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4 P3 Change the delays to zero. Click the Schedule button to create the schedule worksheet. Use a bucket size of 1. Set the unit cost for shortages equal to 1.5 times the regular daily rate. Allow a maximum delay of 0. Set the interest rate to 0%. Try to find a solution that minimizes the cost of shortages.
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