Question: Consider again the below with the normal activity durations, but now suppose the activities require the use of specialized workers. For activities A and G,

Consider again the below with the normal activity durations, but now suppose the activities require the use of specialized workers. For activities A and G, two (2) such workers are needed, while for the other activities, only one (1) such worker is needed. For example, when work is performed on activities D and E, two specialized workers are needed, but three of them are needed to work on F and G.

  1. For the normal schedule you found in 3(a), draw a Gantt chart and a resource histogram showing the daily use of specialized workers. How many workers would be needed to complete the project on time?

  1. Suppose now only two (2) specialized workers are available to work on this project. Find a new schedule with the earliest project completion date. By how many days is the project delayed due to this resource constraint?

Time (Days)

Cost ($)

Activity

Normal

Crashed

Normal

Crashed

A

1

300

300

B

3

2

1300

1700

C

6

4

3100

3200

D

10

6

2100

2500

E

4

1700

1700

F

3

1

700

750

G

1

300

300

H

1

400

400

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