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The project information for the custom order project of the Air Control Company

ID: 417109 • Letter: T

Question

The project information for the custom order project of the Air Control Company is presented here. Compute activity slack, and identify ID the critical activities. How many days will the project take? Activity Predecessor Time A Order review B Order standard parts C Produce standard parts D Design custom parts E Software development F Manufacture customhardware G Assemble H Test None 16 14 27 17 A. C, D B, F E, G The project will take The critical activities are The LATE START on Activity C is The slack on Activity C is The slack on Activity D is The EARLY START on Activity E is days days days days days

Explanation / Answer

The project will take 54 days

The Critical activities are: ACFGH

Late Start on Activity C: 3 days

The slack on Activity C: 0 days

The slack on Activity D: 2 days

The Early start on Activity E is : 3 days

Dur EF= ES+Dur Task Pre Duration ES EF Critical LS LF End Slack A None 3 0 3 Yes 0 3 0 B A 3 3 6 33 36 30 C A 16 3 19 Yes 3 19 0 D A 14 3 17 5 19 2 E A 27 3 30 23 50 20 F C,D 17 19 36 Yes 19 36 0 G B,F 14 36 50 Yes 36 50 0 H E,G 4 50 54 Yes 50 54 0 Project duration (Max of EF) 54